CMakeLists.txt

   1 #
   2 CMAKE_MINIMUM_REQUIRED(VERSION 2.8.12 FATAL_ERROR)
   3 if(POLICY CMP0074)
   4   cmake_policy(SET CMP0074 NEW) #3.12.0 `find_package()`` uses ``<PackageName>_ROOT`` variables.
   5 endif()
   6 #
   7 PROJECT(libarchive C)
   8 #
   9 SET(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/build/cmake")
  10 if(NOT CMAKE_RUNTIME_OUTPUT_DIRECTORY)
  11   set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${libarchive_BINARY_DIR}/bin)
  12 endif()
  13 #
  14 # Set the Build type for make based generators.
  15 # You can choose following types:
  16 #   Debug          : Debug build
  17 #   Release        : Release build
  18 #   RelWithDebInfo : Release build with Debug Info
  19 #   MinSizeRel     : Release Min Size build
  20 IF(NOT CMAKE_BUILD_TYPE)
  21   SET(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Build Type" FORCE)
  22 ENDIF(NOT CMAKE_BUILD_TYPE)
  23 # Set a value type to properly display CMAKE_BUILD_TYPE on GUI if the
  24 # value type is "UNINITIALIZED".
  25 GET_PROPERTY(cached_type CACHE CMAKE_BUILD_TYPE PROPERTY TYPE)
  26 IF("${cached_type}" STREQUAL "UNINITIALIZED")
  27   SET(CMAKE_BUILD_TYPE "${CMAKE_BUILD_TYPE}" CACHE STRING "Build Type" FORCE)
  28 ENDIF("${cached_type}" STREQUAL "UNINITIALIZED")
  29 # Check the Build Type.
  30 IF(NOT "${CMAKE_BUILD_TYPE}"
  31        MATCHES "^(Debug|Release|RelWithDebInfo|MinSizeRel)\$")
  32   MESSAGE(FATAL_ERROR
  33           "Unknown keyword for CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}\n"
  34           "Acceptable keywords: Debug,Release,RelWithDebInfo,MinSizeRel")
  35 ENDIF(NOT "${CMAKE_BUILD_TYPE}"
  36           MATCHES "^(Debug|Release|RelWithDebInfo|MinSizeRel)\$")
  37
  38 # On MacOS, prefer MacPorts libraries to system libraries.
  39 # I haven't come up with a compelling argument for this to be conditional.
  40 list(APPEND CMAKE_PREFIX_PATH /opt/local)
  41 # Enable @rpath in the install name.
  42 # detail in "cmake  --help-policy CMP0042"
  43 SET(CMAKE_MACOSX_RPATH ON)
  44
  45 #
  46 # Version - read from 'version' file.
  47 #
  48 FILE(STRINGS ${CMAKE_CURRENT_SOURCE_DIR}/build/version _version)
  49 STRING(REGEX REPLACE
  50  "^([0-9])[0-9][0-9][0-9][0-9][0-9][0-9][a-z]*$" "\\1" _major ${_version})
  51 STRING(REGEX REPLACE
  52  "^[0-9]([0-9][0-9][0-9])[0-9][0-9][0-9][a-z]*$" "\\1" _minor ${_version})
  53 STRING(REGEX REPLACE
  54  "^[0-9][0-9][0-9][0-9]([0-9][0-9][0-9])[a-z]*$" "\\1" _revision ${_version})
  55 STRING(REGEX REPLACE
  56  "^[0-9][0-9][0-9][0-9][0-9][0-9][0-9]([a-z]*)$" "\\1" _quality ${_version})
  57 SET(_version_number ${_major}${_minor}${_revision})
  58 STRING(REGEX REPLACE "[0]*([^0]*[0-9])$" "\\1" _trimmed_minor ${_minor})
  59 STRING(REGEX REPLACE "[0]*([^0]*[0-9])$" "\\1" _trimmed_revision ${_revision})
  60 #
  61 SET(VERSION                    "${_major}.${_trimmed_minor}.${_trimmed_revision}${_quality}")
  62 SET(BSDCPIO_VERSION_STRING     "${VERSION}")
  63 SET(BSDTAR_VERSION_STRING      "${VERSION}")
  64 SET(BSDCAT_VERSION_STRING      "${VERSION}")
  65 SET(LIBARCHIVE_VERSION_NUMBER  "${_version_number}")
  66 SET(LIBARCHIVE_VERSION_STRING  "${VERSION}")
  67
  68 # INTERFACE_VERSION increments with every release
  69 # libarchive 2.7 == interface version 9 = 2 + 7
  70 # libarchive 2.8 == interface version 10 = 2 + 8
  71 # libarchive 2.9 == interface version 11 = 2 + 9
  72 # libarchive 3.0 == interface version 12
  73 # libarchive 3.1 == interface version 13
  74 math(EXPR INTERFACE_VERSION  "13 + ${_minor}")
  75
  76 # Set SOVERSION == Interface version
  77 # ?? Should there be more here ??
  78 SET(SOVERSION "${INTERFACE_VERSION}")
  79
  80 # Enalbe CMAKE_PUSH_CHECK_STATE() and CMAKE_POP_CHECK_STATE() macros
  81 # saving and restoring the state of the variables.
  82 INCLUDE(CMakePushCheckState)
  83
  84 # Initialize the state of the variables. This initialization is not
  85 # necessary but this shows you what value the variables initially have.
  86 SET(CMAKE_REQUIRED_DEFINITIONS)
  87 SET(CMAKE_REQUIRED_INCLUDES)
  88 SET(CMAKE_REQUIRED_LIBRARIES)
  89 SET(CMAKE_REQUIRED_FLAGS)
  90 if (CMAKE_BUILD_TYPE STREQUAL "Debug")
  91   OPTION(ENABLE_WERROR "Treat warnings as errors - default is ON for Debug, OFF otherwise." ON)
  92 else ()
  93   OPTION(ENABLE_WERROR "Treat warnings as errors - default is ON for Debug, OFF otherwise." OFF)
  94 endif ()
  95
  96 # Especially for early development, we want to be a little
  97 # aggressive about diagnosing build problems; this can get
  98 # relaxed somewhat in final shipping versions.
  99 IF (CMAKE_C_COMPILER_ID MATCHES "^GNU$")
 100   SET(CMAKE_REQUIRED_FLAGS "-Wall -Wformat -Wformat-security")
 101   #################################################################
 102   # Set compile flags for all build types.
 103   SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wformat -Wformat-security")
 104   if (ENABLE_WERROR)
 105     SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
 106   endif ()
 107   #################################################################
 108   # Set compile flags for debug build.
 109   # This is added into CMAKE_C_FLAGS when CMAKE_BUILD_TYPE is "Debug"
 110   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wextra")
 111   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wunused")
 112   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wshadow")
 113   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wmissing-prototypes")
 114   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wcast-qual")
 115 ENDIF (CMAKE_C_COMPILER_ID MATCHES "^GNU$")
 116 IF (CMAKE_C_COMPILER_ID MATCHES "^Clang$")
 117   SET(CMAKE_REQUIRED_FLAGS "-Wall -Wformat -Wformat-security")
 118   #################################################################
 119   # Set compile flags for all build types.
 120   SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wformat -Wformat-security")
 121   if (ENABLE_WERROR)
 122     SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
 123   endif ()
 124   #################################################################
 125   # Set compile flags for debug build.
 126   # This is added into CMAKE_C_FLAGS when CMAKE_BUILD_TYPE is "Debug"
 127   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -g")
 128   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wextra")
 129   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wunused")
 130   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wshadow")
 131   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wmissing-prototypes")
 132   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wcast-qual")
 133 ENDIF (CMAKE_C_COMPILER_ID MATCHES "^Clang$")
 134 IF (CMAKE_C_COMPILER_ID MATCHES "^XL$")
 135   SET(CMAKE_C_COMPILER "xlc_r")
 136   SET(CMAKE_REQUIRED_FLAGS "-qflag=e:e -qformat=sec")
 137   #################################################################
 138   # Set compile flags for all build types.
 139   SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -qflag=e:e -qformat=sec")
 140   if (ENABLE_WERROR)
 141     SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -qhalt=w")
 142   endif ()
 143   #################################################################
 144   # Set compile flags for debug build.
 145   # This is added into CMAKE_C_FLAGS when CMAKE_BUILD_TYPE is "Debug"
 146   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -g")
 147   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -qflag=w:w")
 148   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -qinfo=pro:use")
 149 ENDIF(CMAKE_C_COMPILER_ID MATCHES "^XL$")
 150 IF (MSVC)
 151   if (ENABLE_WERROR)
 152     # /WX option is the same as gcc's -Werror option.
 153     SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /WX")
 154   endif ()
 155   #################################################################
 156   # Set compile flags for debug build.
 157   # This is added into CMAKE_C_FLAGS when CMAKE_BUILD_TYPE is "Debug"
 158   # Enable level 4 C4061: The enumerate has no associated handler in a switch
 159   #                       statement.
 160   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /we4061")
 161   # Enable level 4 C4254: A larger bit field was assigned to a smaller bit
 162   #                       field.
 163   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /we4254")
 164   # Enable level 4 C4295: An array was initialized but the last character in
 165   #                       the array is not a null; accessing the array may
 166   #                       produce unexpected results.
 167   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /we4295")
 168   # Enable level 4 C4296: An unsigned variable was used in a comparison
 169   #                       operation with zero.
 170   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /we4296")
 171   # Enable level 4 C4389: An operation involved signed and unsigned variables.
 172   #                       This could result in a loss of data.
 173   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /we4389")
 174   # Enable level 4 C4505: The given function is local and not referenced in
 175   #                       the body of the module; therefore, the function is
 176   #                       dead code.
 177   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /we4505")
 178   # Enable level 4 C4514: The optimizer removed an inline function that is not
 179   #                       called.
 180   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /we4514")
 181   # Enable level 4 C4702: Unreachable code.
 182   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /we4702")
 183   # Enable level 4 C4706: The test value in a conditional expression was the
 184   #                       result of an assignment.
 185   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /we4706")
 186   # /Oi option enables built-in functions.
 187   SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /Oi")
 188   #################################################################
 189   # Set compile flags for release build.
 190   SET(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /Oi")
 191 ENDIF (MSVC)
 192
 193 # Enable CTest/CDash support
 194 include(CTest)
 195
 196 OPTION(ENABLE_MBEDTLS "Enable use of mbed TLS" OFF)
 197 OPTION(ENABLE_NETTLE "Enable use of Nettle" OFF)
 198 OPTION(ENABLE_OPENSSL "Enable use of OpenSSL" ON)
 199 OPTION(ENABLE_LIBB2 "Enable the use of the system LIBB2 library if found" ON)
 200 OPTION(ENABLE_LZ4 "Enable the use of the system LZ4 library if found" ON)
 201 OPTION(ENABLE_LZO "Enable the use of the system LZO library if found" OFF)
 202 OPTION(ENABLE_LZMA "Enable the use of the system LZMA library if found" ON)
 203 OPTION(ENABLE_ZSTD "Enable the use of the system zstd library if found" ON)
 204
 205 OPTION(ENABLE_ZLIB "Enable the use of the system ZLIB library if found" ON)
 206 OPTION(ENABLE_BZip2 "Enable the use of the system BZip2 library if found" ON)
 207 OPTION(ENABLE_LIBXML2 "Enable the use of the system libxml2 library if found" ON)
 208 OPTION(ENABLE_EXPAT "Enable the use of the system EXPAT library if found" ON)
 209 OPTION(ENABLE_PCREPOSIX "Enable the use of the system PCREPOSIX library if found" ON)
 210 OPTION(ENABLE_LibGCC "Enable the use of the system LibGCC library if found" ON)
 211 # CNG is used for encrypt/decrypt Zip archives on Windows.
 212 OPTION(ENABLE_CNG "Enable the use of CNG(Crypto Next Generation)" ON)
 213
 214 OPTION(ENABLE_TAR "Enable tar building" ON)
 215 OPTION(ENABLE_TAR_SHARED "Enable dynamic build of tar" FALSE)
 216 OPTION(ENABLE_CPIO "Enable cpio building" ON)
 217 OPTION(ENABLE_CPIO_SHARED "Enable dynamic build of cpio" FALSE)
 218 OPTION(ENABLE_CAT "Enable cat building" ON)
 219 OPTION(ENABLE_CAT_SHARED "Enable dynamic build of cat" FALSE)
 220 OPTION(ENABLE_XATTR "Enable extended attribute support" ON)
 221 OPTION(ENABLE_ACL "Enable ACL support" ON)
 222 OPTION(ENABLE_ICONV "Enable iconv support" ON)
 223 OPTION(ENABLE_TEST "Enable unit and regression tests" ON)
 224 OPTION(ENABLE_COVERAGE "Enable code coverage (GCC only, automatically sets ENABLE_TEST to ON)" FALSE)
 225 OPTION(ENABLE_INSTALL "Enable installing of libraries" ON)
 226
 227 SET(POSIX_REGEX_LIB "AUTO" CACHE STRING "Choose what library should provide POSIX regular expression support")
 228 SET(ENABLE_SAFESEH "AUTO" CACHE STRING "Enable use of /SAFESEH linker flag (MSVC only)")
 229 SET(WINDOWS_VERSION "WIN7" CACHE STRING "Set Windows version to use (Windows only)")
 230
 231 IF(ENABLE_COVERAGE)
 232         include(LibarchiveCodeCoverage)
 233 ENDIF(ENABLE_COVERAGE)
 234
 235 IF(ENABLE_TEST)
 236         ENABLE_TESTING()
 237 ENDIF(ENABLE_TEST)
 238
 239 IF(WIN32)
 240   IF(WINDOWS_VERSION STREQUAL "WIN8")
 241     SET(NTDDI_VERSION 0x06020000)
 242     SET(_WIN32_WINNT 0x0602)
 243     SET(WINVER 0x0602)
 244   ELSEIF(WINDOWS_VERSION STREQUAL "WIN7")
 245     SET(NTDDI_VERSION 0x06010000)
 246     SET(_WIN32_WINNT 0x0601)
 247     SET(WINVER 0x0601)
 248   ELSEIF(WINDOWS_VERSION STREQUAL "WS08")
 249     SET(NTDDI_VERSION 0x06000100)
 250     SET(_WIN32_WINNT 0x0600)
 251     SET(WINVER 0x0600)
 252   ELSEIF(WINDOWS_VERSION STREQUAL "VISTA")
 253     SET(NTDDI_VERSION 0x06000000)
 254     SET(_WIN32_WINNT 0x0600)
 255     SET(WINVER 0x0600)
 256   ELSEIF(WINDOWS_VERSION STREQUAL "WS03")
 257     SET(NTDDI_VERSION 0x05020000)
 258     SET(_WIN32_WINNT 0x0502)
 259     SET(WINVER 0x0502)
 260   ELSEIF(WINDOWS_VERSION STREQUAL "WINXP")
 261     SET(NTDDI_VERSION 0x05010000)
 262     SET(_WIN32_WINNT 0x0501)
 263     SET(WINVER 0x0501)
 264   ELSE(WINDOWS_VERSION STREQUAL "WIN8")
 265     # Default to Windows Server 2003 API if we don't recognize the specifier
 266     SET(NTDDI_VERSION 0x05020000)
 267     SET(_WIN32_WINNT 0x0502)
 268     SET(WINVER 0x0502)
 269   ENDIF(WINDOWS_VERSION STREQUAL "WIN8")
 270 ENDIF(WIN32)
 271
 272 IF(MSVC)
 273   IF(ENABLE_SAFESEH STREQUAL "YES")
 274     SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /SAFESEH")
 275     SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /SAFESEH")
 276     SET(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} /SAFESEH")
 277     SET(ENV{LDFLAGS} "$ENV{LDFLAGS} /SAFESEH")
 278   ELSEIF(ENABLE_SAFESEH STREQUAL "NO")
 279     SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /SAFESEH:NO")
 280     SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /SAFESEH:NO")
 281     SET(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} /SAFESEH:NO")
 282     SET(ENV{LDFLAGS} "$ENV{LDFLAGS} /SAFESEH:NO")
 283   ENDIF(ENABLE_SAFESEH STREQUAL "YES")
 284 ENDIF(MSVC)
 285
 286 IF("${CMAKE_C_PLATFORM_ID}" MATCHES "^(HP-UX)$")
 287   ADD_DEFINITIONS(-D_XOPEN_SOURCE=500) # Ask wchar.h for mbstate_t
 288 ENDIF()
 289
 290 #
 291 INCLUDE(CheckCSourceCompiles)
 292 INCLUDE(CheckCSourceRuns)
 293 INCLUDE(CheckFileOffsetBits)
 294 INCLUDE(CheckFuncs)
 295 INCLUDE(CheckHeaderDirent)
 296 INCLUDE(CheckIncludeFile)
 297 INCLUDE(CheckIncludeFiles)
 298 INCLUDE(CheckLibraryExists)
 299 INCLUDE(CheckStructHasMember)
 300 INCLUDE(CheckSymbolExists)
 301 INCLUDE(CheckTypeExists)
 302 INCLUDE(CheckTypeSize)
 303
 304 #
 305 # Generate list.h
 306 #
 307 MACRO (GENERATE_LIST_H _listfile _cmlist __list_sources)
 308   SET(_argv ${ARGV})
 309   # Remove _listfile and _cmlist from _argv
 310   LIST(REMOVE_AT _argv 0 1)
 311   IF (NOT EXISTS "${_listfile}" OR
 312      ${_cmlist} IS_NEWER_THAN "${_listfile}")
 313
 314     MESSAGE(STATUS "Generating ${_listfile}")
 315     FILE(WRITE ${_listfile} "")
 316     FOREACH (testfile ${_argv})
 317       IF (testfile MATCHES "^test_[^/]+[.]c$")
 318         FILE(STRINGS ${testfile} testvar REGEX "^DEFINE_TEST")
 319         FOREACH (deftest ${testvar})
 320           FILE(APPEND ${_listfile} "${deftest}\n")
 321         ENDFOREACH (deftest)
 322       ENDIF (testfile MATCHES "^test_[^/]+[.]c$")
 323     ENDFOREACH (testfile)
 324
 325   ENDIF (NOT EXISTS "${_listfile}" OR
 326      ${_cmlist} IS_NEWER_THAN "${_listfile}")
 327 ENDMACRO (GENERATE_LIST_H)
 328 #
 329 # Generate installation rules for man pages.
 330 #
 331 MACRO (INSTALL_MAN __mans)
 332   FOREACH (_man ${ARGV})
 333     STRING(REGEX REPLACE "^.+[.]([1-9])" "\\1" _mansect ${_man})
 334     INSTALL(FILES ${_man} DESTINATION "share/man/man${_mansect}")
 335   ENDFOREACH (_man)
 336 ENDMACRO (INSTALL_MAN __mans)
 337 #
 338 # Find out what macro is needed to use libraries on Windows.
 339 #
 340 MACRO (TRY_MACRO_FOR_LIBRARY INCLUDES LIBRARIES
 341        TRY_TYPE SAMPLE_SOURCE MACRO_LIST)
 342   IF(WIN32 AND NOT CYGWIN)
 343     CMAKE_PUSH_CHECK_STATE()    # Save the state of the variables
 344     SET(CMAKE_REQUIRED_INCLUDES ${INCLUDES})
 345     SET(CMAKE_REQUIRED_LIBRARIES ${LIBRARIES})
 346     FOREACH(VAR ${MACRO_LIST})
 347       # Clear ${VAR} from CACHE If the libraries which ${VAR} was
 348       # checked with are changed.
 349       SET(VAR_WITH_LIB "${VAR}_WITH_LIB")
 350       GET_PROPERTY(PREV_VAR_WITH_LIB VARIABLE PROPERTY ${VAR_WITH_LIB})
 351       IF(NOT "${PREV_VAR_WITH_LIB}" STREQUAL "${LIBRARIES}")
 352         UNSET(${VAR} CACHE)
 353       ENDIF(NOT "${PREV_VAR_WITH_LIB}" STREQUAL "${LIBRARIES}")
 354       # Check if the library can be used with the macro.
 355       IF("${TRY_TYPE}" MATCHES "COMPILES")
 356         CHECK_C_SOURCE_COMPILES("${SAMPLE_SOURCE}" ${VAR})
 357       ELSEIF("${TRY_TYPE}" MATCHES "RUNS")
 358         CHECK_C_SOURCE_RUNS("${SAMPLE_SOURCE}" ${VAR})
 359       ELSE("${TRY_TYPE}" MATCHES "COMPILES")
 360         MESSAGE(FATAL_ERROR "UNKNOWN KEYWORD \"${TRY_TYPE}\" FOR TRY_TYPE")
 361       ENDIF("${TRY_TYPE}" MATCHES "COMPILES")
 362       # Save the libraries which ${VAR} is checked with.
 363       SET(${VAR_WITH_LIB} "${LIBRARIES}" CACHE INTERNAL
 364           "Macro ${VAR} is checked with")
 365     ENDFOREACH(VAR)
 366     CMAKE_POP_CHECK_STATE()     # Restore the state of the variables
 367   ENDIF(WIN32 AND NOT CYGWIN)
 368 ENDMACRO (TRY_MACRO_FOR_LIBRARY)
 369 #
 370 # Check compress/decompress libraries
 371 #
 372 IF(WIN32 AND NOT CMAKE_CL_64 AND NOT CYGWIN)
 373   # GnuWin32 is only for Win32, not Win64.
 374   SET(__GNUWIN32PATH "C:/Program Files/GnuWin32")
 375 ENDIF(WIN32 AND NOT CMAKE_CL_64 AND NOT CYGWIN)
 376 IF(DEFINED __GNUWIN32PATH AND EXISTS "${__GNUWIN32PATH}")
 377   # You have to add a path availabel DLL file into PATH environment variable.
 378   # Maybe DLL path is "C:/Program Files/GnuWin32/bin".
 379   # The zlib and the bzip2 Setup program have installed programs and DLLs into
 380   # "C:/Program Files/GnuWin32" by default.
 381   # This is convenience setting for Windows.
 382   SET(CMAKE_PREFIX_PATH ${__GNUWIN32PATH} $(CMAKE_PREFIX_PATH))
 383   #
 384   # If you didn't use Setup program or installed into nonstandard path,
 385   # cmake cannot find out your zlib or bzip2 libraries and include files,
 386   # you should execute cmake with  -DCMAKE_PREFIX_PATH option.
 387   #   e.g.
 388   #     cmake -DCMAKE_PREFIX_PATH=<your-GnuWin32-path> <path-to-source>
 389   #
 390   # If compiling error occurred in zconf.h, You may need patch to zconf.h.
 391   #--- zconf.h.orig     2005-07-21 00:40:26.000000000
 392   #+++ zconf.h  2009-01-19 11:39:10.093750000
 393   #@@ -286,7 +286,7 @@
 394   #
 395   # #if 1           /* HAVE_UNISTD_H -- this line is updated by ./configure */
 396   # #  include <sys/types.h> /* for off_t */
 397   #-#  include <unistd.h>    /* for SEEK_* and off_t */
 398   #+#  include <stdio.h>    /* for SEEK_* and off_t */
 399   # #  ifdef VMS
 400   # #    include <unixio.h>   /* for off_t */
 401   # #  endif
 402 ENDIF(DEFINED __GNUWIN32PATH AND EXISTS "${__GNUWIN32PATH}")
 403
 404 SET(ADDITIONAL_LIBS "")
 405 #
 406 # Find ZLIB
 407 #
 408 IF(ENABLE_ZLIB)
 409   FIND_PACKAGE(ZLIB)
 410 ELSE()
 411   SET(ZLIB_FOUND FALSE) # Override cached value
 412 ENDIF()
 413 IF(ZLIB_FOUND)
 414   SET(HAVE_LIBZ 1)
 415   SET(HAVE_ZLIB_H 1)
 416   INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR})
 417   LIST(APPEND ADDITIONAL_LIBS ${ZLIB_LIBRARIES})
 418   IF(WIN32 AND NOT CYGWIN)
 419     #
 420     # Test if ZLIB_WINAPI macro is needed to use.
 421     #
 422     TRY_MACRO_FOR_LIBRARY(
 423       "${ZLIB_INCLUDE_DIR}" "${ZLIB_LIBRARIES}"
 424       RUNS
 425       "#include <zlib.h>\nint main() {uLong f = zlibCompileFlags(); return (f&(1U<<10))?0:-1; }"
 426       ZLIB_WINAPI)
 427     IF(ZLIB_WINAPI)
 428       ADD_DEFINITIONS(-DZLIB_WINAPI)
 429     ELSE(ZLIB_WINAPI)
 430       # Test if a macro is needed for the library.
 431       TRY_MACRO_FOR_LIBRARY(
 432         "${ZLIB_INCLUDE_DIR}" "${ZLIB_LIBRARIES}"
 433         COMPILES
 434         "#include <zlib.h>\nint main() {return zlibVersion()?1:0; }"
 435         "ZLIB_DLL;WITHOUT_ZLIB_DLL")
 436       IF(ZLIB_DLL)
 437         ADD_DEFINITIONS(-DZLIB_DLL)
 438       ENDIF(ZLIB_DLL)
 439     ENDIF(ZLIB_WINAPI)
 440   ENDIF(WIN32 AND NOT CYGWIN)
 441 ENDIF(ZLIB_FOUND)
 442 MARK_AS_ADVANCED(CLEAR ZLIB_INCLUDE_DIR)
 443 MARK_AS_ADVANCED(CLEAR ZLIB_LIBRARY)
 444 #
 445 # Find BZip2
 446 #
 447 IF(ENABLE_BZip2)
 448   FIND_PACKAGE(BZip2)
 449 ELSE()
 450   SET(BZIP2_FOUND FALSE) # Override cached value
 451 ENDIF()
 452 IF(BZIP2_FOUND)
 453   SET(HAVE_LIBBZ2 1)
 454   SET(HAVE_BZLIB_H 1)
 455   INCLUDE_DIRECTORIES(${BZIP2_INCLUDE_DIR})
 456   LIST(APPEND ADDITIONAL_LIBS ${BZIP2_LIBRARIES})
 457   # Test if a macro is needed for the library.
 458   TRY_MACRO_FOR_LIBRARY(
 459     "${BZIP2_INCLUDE_DIR}" "${BZIP2_LIBRARIES}"
 460     COMPILES
 461     "#include <bzlib.h>\nint main() {return BZ2_bzlibVersion()?1:0; }"
 462     "USE_BZIP2_DLL;USE_BZIP2_STATIC")
 463   IF(USE_BZIP2_DLL)
 464     ADD_DEFINITIONS(-DUSE_BZIP2_DLL)
 465   ELSEIF(USE_BZIP2_STATIC)
 466     ADD_DEFINITIONS(-DUSE_BZIP2_STATIC)
 467   ENDIF(USE_BZIP2_DLL)
 468 ENDIF(BZIP2_FOUND)
 469 MARK_AS_ADVANCED(CLEAR BZIP2_INCLUDE_DIR)
 470 MARK_AS_ADVANCED(CLEAR BZIP2_LIBRARIES)
 471
 472
 473 #
 474 # Find LZMA
 475 #
 476 IF(ENABLE_LZMA)
 477   FIND_PACKAGE(LibLZMA)
 478 ELSE()
 479   SET(LIBLZMA_FOUND FALSE) # Override cached value
 480 ENDIF()
 481
 482 IF(LIBLZMA_FOUND)
 483   SET(HAVE_LIBLZMA 1)
 484   SET(HAVE_LZMA_H 1)
 485   CMAKE_PUSH_CHECK_STATE()
 486   SET(CMAKE_REQUIRED_INCLUDES ${LIBLZMA_INCLUDE_DIR})
 487   SET(CMAKE_REQUIRED_LIBRARIES ${LIBLZMA_LIBRARIES})
 488   INCLUDE_DIRECTORIES(${LIBLZMA_INCLUDE_DIRS})
 489   LIST(APPEND ADDITIONAL_LIBS ${LIBLZMA_LIBRARIES})
 490   # Test if a macro is needed for the library.
 491   TRY_MACRO_FOR_LIBRARY(
 492     "${LIBLZMA_INCLUDE_DIRS}" "${LIBLZMA_LIBRARIES}"
 493     COMPILES
 494     "#include <lzma.h>\nint main() {return (int)lzma_version_number(); }"
 495     "WITHOUT_LZMA_API_STATIC;LZMA_API_STATIC")
 496   IF(NOT WITHOUT_LZMA_API_STATIC AND LZMA_API_STATIC)
 497     ADD_DEFINITIONS(-DLZMA_API_STATIC)
 498   ENDIF(NOT WITHOUT_LZMA_API_STATIC AND LZMA_API_STATIC)
 499   CMAKE_POP_CHECK_STATE()
 500 ELSE(LIBLZMA_FOUND)
 501 # LZMA not found and will not be used.
 502 ENDIF(LIBLZMA_FOUND)
 503 MARK_AS_ADVANCED(CLEAR LIBLZMA_INCLUDE_DIR)
 504 MARK_AS_ADVANCED(CLEAR LIBLZMA_LIBRARY)
 505
 506 #
 507 # Find LZO2
 508 #
 509 IF(ENABLE_LZO)
 510   IF (LZO2_INCLUDE_DIR)
 511     # Already in cache, be silent
 512     SET(LZO2_FIND_QUIETLY TRUE)
 513   ENDIF (LZO2_INCLUDE_DIR)
 514
 515   FIND_PATH(LZO2_INCLUDE_DIR lzo/lzoconf.h)
 516   FIND_LIBRARY(LZO2_LIBRARY NAMES lzo2 liblzo2)
 517   INCLUDE(FindPackageHandleStandardArgs)
 518   FIND_PACKAGE_HANDLE_STANDARD_ARGS(LZO2 DEFAULT_MSG LZO2_LIBRARY LZO2_INCLUDE_DIR)
 519 ELSE(ENABLE_LZO)
 520   SET(LZO2_FOUND FALSE) # Override cached value
 521 ENDIF(ENABLE_LZO)
 522 IF(LZO2_FOUND)
 523   SET(HAVE_LIBLZO2 1)
 524   SET(HAVE_LZO_LZOCONF_H 1)
 525   SET(HAVE_LZO_LZO1X_H 1)
 526   INCLUDE_DIRECTORIES(${LZO2_INCLUDE_DIR})
 527   LIST(APPEND ADDITIONAL_LIBS ${LZO2_LIBRARY})
 528   #
 529   # TODO: test for static library.
 530   #
 531 ENDIF(LZO2_FOUND)
 532 MARK_AS_ADVANCED(CLEAR LZO2_INCLUDE_DIR)
 533 MARK_AS_ADVANCED(CLEAR LZO2_LIBRARY)
 534 #
 535 # Find libb2
 536 #
 537 IF(ENABLE_LIBB2)
 538   IF (LIBB2_INCLUDE_DIR)
 539     # Already in cache, be silent
 540     SET(LIBB2_FIND_QUIETLY TRUE)
 541   ENDIF (LIBB2_INCLUDE_DIR)
 542
 543   FIND_PATH(LIBB2_INCLUDE_DIR blake2.h)
 544   FIND_LIBRARY(LIBB2_LIBRARY NAMES b2 libb2)
 545   INCLUDE(FindPackageHandleStandardArgs)
 546   FIND_PACKAGE_HANDLE_STANDARD_ARGS(LIBB2 DEFAULT_MSG LIBB2_LIBRARY LIBB2_INCLUDE_DIR)
 547 ELSE(ENABLE_LIBB2)
 548   SET(LIBB2_FOUND FALSE) # Override cached value
 549 ENDIF(ENABLE_LIBB2)
 550 IF(LIBB2_FOUND)
 551   SET(HAVE_LIBB2 1)
 552   SET(HAVE_BLAKE2_H 1)
 553   SET(ARCHIVE_BLAKE2 FALSE)
 554   LIST(APPEND ADDITIONAL_LIBS ${LIBB2_LIBRARY})
 555   CMAKE_PUSH_CHECK_STATE()
 556   SET(CMAKE_REQUIRED_LIBRARIES ${LIBB2_LIBRARY})
 557   SET(CMAKE_REQUIRED_INCLUDES ${LIBB2_INCLUDE_DIR})
 558   CHECK_FUNCTION_EXISTS(blake2sp_init HAVE_LIBB2)
 559   CMAKE_POP_CHECK_STATE()
 560 ELSE(LIBB2_FOUND)
 561   SET(ARCHIVE_BLAKE2 TRUE)
 562 ENDIF(LIBB2_FOUND)
 563 #
 564 # Find LZ4
 565 #
 566 IF(ENABLE_LZ4)
 567   IF (LZ4_INCLUDE_DIR)
 568     # Already in cache, be silent
 569     SET(LZ4_FIND_QUIETLY TRUE)
 570   ENDIF (LZ4_INCLUDE_DIR)
 571
 572   FIND_PATH(LZ4_INCLUDE_DIR lz4.h)
 573   FIND_LIBRARY(LZ4_LIBRARY NAMES lz4 liblz4)
 574   INCLUDE(FindPackageHandleStandardArgs)
 575   FIND_PACKAGE_HANDLE_STANDARD_ARGS(LZ4 DEFAULT_MSG LZ4_LIBRARY LZ4_INCLUDE_DIR)
 576 ELSE(ENABLE_LZ4)
 577   SET(LZ4_FOUND FALSE) # Override cached value
 578 ENDIF(ENABLE_LZ4)
 579 IF(LZ4_FOUND)
 580   SET(HAVE_LIBLZ4 1)
 581   SET(HAVE_LZ4_H 1)
 582   CMAKE_PUSH_CHECK_STATE()      # Save the state of the variables
 583   SET(CMAKE_REQUIRED_INCLUDES ${LZ4_INCLUDE_DIR})
 584   CHECK_INCLUDE_FILES("lz4hc.h" HAVE_LZ4HC_H)
 585   CMAKE_POP_CHECK_STATE()       # Restore the state of the variables
 586   INCLUDE_DIRECTORIES(${LZ4_INCLUDE_DIR})
 587   LIST(APPEND ADDITIONAL_LIBS ${LZ4_LIBRARY})
 588   #
 589   # TODO: test for static library.
 590   #
 591 ENDIF(LZ4_FOUND)
 592 MARK_AS_ADVANCED(CLEAR LZ4_INCLUDE_DIR)
 593 MARK_AS_ADVANCED(CLEAR LZ4_LIBRARY)
 594 #
 595 # Find Zstd
 596 #
 597 IF(ENABLE_ZSTD)
 598   IF (ZSTD_INCLUDE_DIR)
 599     # Already in cache, be silent
 600     SET(ZSTD_FIND_QUIETLY TRUE)
 601   ENDIF (ZSTD_INCLUDE_DIR)
 602
 603   FIND_PATH(ZSTD_INCLUDE_DIR zstd.h)
 604   FIND_LIBRARY(ZSTD_LIBRARY NAMES zstd libzstd)
 605   INCLUDE(FindPackageHandleStandardArgs)
 606   FIND_PACKAGE_HANDLE_STANDARD_ARGS(ZSTD DEFAULT_MSG ZSTD_LIBRARY ZSTD_INCLUDE_DIR)
 607 ELSE(ENABLE_ZSTD)
 608   SET(ZSTD_FOUND FALSE) # Override cached value
 609 ENDIF(ENABLE_ZSTD)
 610 IF(ZSTD_FOUND)
 611   SET(HAVE_ZSTD_H 1)
 612   INCLUDE_DIRECTORIES(${ZSTD_INCLUDE_DIR})
 613   LIST(APPEND ADDITIONAL_LIBS ${ZSTD_LIBRARY})
 614   CMAKE_PUSH_CHECK_STATE()
 615   SET(CMAKE_REQUIRED_LIBRARIES ${ZSTD_LIBRARY})
 616   SET(CMAKE_REQUIRED_INCLUDES ${ZSTD_INCLUDE_DIR})
 617   CHECK_FUNCTION_EXISTS(ZSTD_compressStream HAVE_LIBZSTD)
 618   #
 619   # TODO: test for static library.
 620   #
 621   CMAKE_POP_CHECK_STATE()
 622 ENDIF(ZSTD_FOUND)
 623 MARK_AS_ADVANCED(CLEAR ZSTD_INCLUDE_DIR)
 624 MARK_AS_ADVANCED(CLEAR ZSTD_LIBRARY)
 625
 626
 627 #
 628 # Check headers
 629 #
 630 CHECK_HEADER_DIRENT()
 631
 632 SET(INCLUDES "")
 633 MACRO (LA_CHECK_INCLUDE_FILE header var)
 634       CHECK_INCLUDE_FILES("${INCLUDES};${header}" ${var})
 635       IF (${var})
 636          SET(INCLUDES ${INCLUDES} ${header})
 637       ENDIF (${var})
 638 ENDMACRO (LA_CHECK_INCLUDE_FILE)
 639
 640 # Some FreeBSD headers assume sys/types.h was already included.
 641 LA_CHECK_INCLUDE_FILE("sys/types.h" HAVE_SYS_TYPES_H)
 642
 643 # Alphabetize the rest unless there's a compelling reason
 644 LA_CHECK_INCLUDE_FILE("acl/libacl.h" HAVE_ACL_LIBACL_H)
 645 LA_CHECK_INCLUDE_FILE("attr/xattr.h" HAVE_ATTR_XATTR_H)
 646 LA_CHECK_INCLUDE_FILE("ctype.h" HAVE_CTYPE_H)
 647 LA_CHECK_INCLUDE_FILE("copyfile.h" HAVE_COPYFILE_H)
 648 LA_CHECK_INCLUDE_FILE("direct.h" HAVE_DIRECT_H)
 649 LA_CHECK_INCLUDE_FILE("dlfcn.h" HAVE_DLFCN_H)
 650 LA_CHECK_INCLUDE_FILE("errno.h" HAVE_ERRNO_H)
 651 LA_CHECK_INCLUDE_FILE("ext2fs/ext2_fs.h" HAVE_EXT2FS_EXT2_FS_H)
 652
 653 CHECK_C_SOURCE_COMPILES("#include <sys/ioctl.h>
 654 #include <ext2fs/ext2_fs.h>
 655 int main(void) { return EXT2_IOC_GETFLAGS; }" HAVE_WORKING_EXT2_IOC_GETFLAGS)
 656
 657 LA_CHECK_INCLUDE_FILE("fcntl.h" HAVE_FCNTL_H)
 658 LA_CHECK_INCLUDE_FILE("grp.h" HAVE_GRP_H)
 659 LA_CHECK_INCLUDE_FILE("inttypes.h" HAVE_INTTYPES_H)
 660 LA_CHECK_INCLUDE_FILE("io.h" HAVE_IO_H)
 661 LA_CHECK_INCLUDE_FILE("langinfo.h" HAVE_LANGINFO_H)
 662 LA_CHECK_INCLUDE_FILE("limits.h" HAVE_LIMITS_H)
 663 LA_CHECK_INCLUDE_FILE("linux/types.h" HAVE_LINUX_TYPES_H)
 664 LA_CHECK_INCLUDE_FILE("linux/fiemap.h" HAVE_LINUX_FIEMAP_H)
 665 LA_CHECK_INCLUDE_FILE("linux/fs.h" HAVE_LINUX_FS_H)
 666
 667 CHECK_C_SOURCE_COMPILES("#include <sys/ioctl.h>
 668 #include <linux/fs.h>
 669 int main(void) { return FS_IOC_GETFLAGS; }" HAVE_WORKING_FS_IOC_GETFLAGS)
 670
 671 LA_CHECK_INCLUDE_FILE("linux/magic.h" HAVE_LINUX_MAGIC_H)
 672 LA_CHECK_INCLUDE_FILE("locale.h" HAVE_LOCALE_H)
 673 LA_CHECK_INCLUDE_FILE("membership.h" HAVE_MEMBERSHIP_H)
 674 LA_CHECK_INCLUDE_FILE("memory.h" HAVE_MEMORY_H)
 675 LA_CHECK_INCLUDE_FILE("paths.h" HAVE_PATHS_H)
 676 LA_CHECK_INCLUDE_FILE("poll.h" HAVE_POLL_H)
 677 LA_CHECK_INCLUDE_FILE("process.h" HAVE_PROCESS_H)
 678 LA_CHECK_INCLUDE_FILE("pthread.h" HAVE_PTHREAD_H)
 679 LA_CHECK_INCLUDE_FILE("pwd.h" HAVE_PWD_H)
 680 LA_CHECK_INCLUDE_FILE("readpassphrase.h" HAVE_READPASSPHRASE_H)
 681 LA_CHECK_INCLUDE_FILE("regex.h" HAVE_REGEX_H)
 682 LA_CHECK_INCLUDE_FILE("signal.h" HAVE_SIGNAL_H)
 683 LA_CHECK_INCLUDE_FILE("spawn.h" HAVE_SPAWN_H)
 684 LA_CHECK_INCLUDE_FILE("stdarg.h" HAVE_STDARG_H)
 685 LA_CHECK_INCLUDE_FILE("stdint.h" HAVE_STDINT_H)
 686 LA_CHECK_INCLUDE_FILE("stdlib.h" HAVE_STDLIB_H)
 687 LA_CHECK_INCLUDE_FILE("string.h" HAVE_STRING_H)
 688 LA_CHECK_INCLUDE_FILE("strings.h" HAVE_STRINGS_H)
 689 LA_CHECK_INCLUDE_FILE("sys/acl.h" HAVE_SYS_ACL_H)
 690 LA_CHECK_INCLUDE_FILE("sys/cdefs.h" HAVE_SYS_CDEFS_H)
 691 LA_CHECK_INCLUDE_FILE("sys/extattr.h" HAVE_SYS_EXTATTR_H)
 692 LA_CHECK_INCLUDE_FILE("sys/ioctl.h" HAVE_SYS_IOCTL_H)
 693 LA_CHECK_INCLUDE_FILE("sys/mkdev.h" HAVE_SYS_MKDEV_H)
 694 LA_CHECK_INCLUDE_FILE("sys/mount.h" HAVE_SYS_MOUNT_H)
 695 LA_CHECK_INCLUDE_FILE("sys/param.h" HAVE_SYS_PARAM_H)
 696 LA_CHECK_INCLUDE_FILE("sys/poll.h" HAVE_SYS_POLL_H)
 697 LA_CHECK_INCLUDE_FILE("sys/richacl.h" HAVE_SYS_RICHACL_H)
 698 LA_CHECK_INCLUDE_FILE("sys/select.h" HAVE_SYS_SELECT_H)
 699 LA_CHECK_INCLUDE_FILE("sys/stat.h" HAVE_SYS_STAT_H)
 700 LA_CHECK_INCLUDE_FILE("sys/statfs.h" HAVE_SYS_STATFS_H)
 701 LA_CHECK_INCLUDE_FILE("sys/statvfs.h" HAVE_SYS_STATVFS_H)
 702 LA_CHECK_INCLUDE_FILE("sys/sysmacros.h" HAVE_SYS_SYSMACROS_H)
 703 LA_CHECK_INCLUDE_FILE("sys/time.h" HAVE_SYS_TIME_H)
 704 LA_CHECK_INCLUDE_FILE("sys/utime.h" HAVE_SYS_UTIME_H)
 705 LA_CHECK_INCLUDE_FILE("sys/utsname.h" HAVE_SYS_UTSNAME_H)
 706 LA_CHECK_INCLUDE_FILE("sys/vfs.h" HAVE_SYS_VFS_H)
 707 LA_CHECK_INCLUDE_FILE("sys/wait.h" HAVE_SYS_WAIT_H)
 708 LA_CHECK_INCLUDE_FILE("sys/xattr.h" HAVE_SYS_XATTR_H)
 709 LA_CHECK_INCLUDE_FILE("time.h" HAVE_TIME_H)
 710 LA_CHECK_INCLUDE_FILE("unistd.h" HAVE_UNISTD_H)
 711 LA_CHECK_INCLUDE_FILE("utime.h" HAVE_UTIME_H)
 712 LA_CHECK_INCLUDE_FILE("wchar.h" HAVE_WCHAR_H)
 713 LA_CHECK_INCLUDE_FILE("wctype.h" HAVE_WCTYPE_H)
 714 LA_CHECK_INCLUDE_FILE("windows.h" HAVE_WINDOWS_H)
 715 IF(ENABLE_CNG)
 716   LA_CHECK_INCLUDE_FILE("Bcrypt.h" HAVE_BCRYPT_H)
 717   IF(HAVE_BCRYPT_H)
 718     LIST(APPEND ADDITIONAL_LIBS "Bcrypt")
 719   ENDIF(HAVE_BCRYPT_H)
 720 ELSE(ENABLE_CNG)
 721   UNSET(HAVE_BCRYPT_H CACHE)
 722 ENDIF(ENABLE_CNG)
 723 # Following files need windows.h, so we should test it after windows.h test.
 724 LA_CHECK_INCLUDE_FILE("wincrypt.h" HAVE_WINCRYPT_H)
 725 LA_CHECK_INCLUDE_FILE("winioctl.h" HAVE_WINIOCTL_H)
 726
 727 #
 728 # Check whether use of __EXTENSIONS__ is safe.
 729 # We need some macro such as _GNU_SOURCE to use extension functions.
 730 #
 731 SET(_INCLUDE_FILES)
 732 FOREACH (it ${_HEADER})
 733    SET(_INCLUDE_FILES "${_INCLUDE_FILES}#include <${it}>\n")
 734 ENDFOREACH (it)
 735
 736 CHECK_C_SOURCE_COMPILES(
 737   "#define __EXTENSIONS__ 1
 738    ${_INCLUDE_FILES}
 739    int main() { return 0;}"
 740  SAFE_TO_DEFINE_EXTENSIONS)
 741
 742 #
 743 # Find mbed TLS
 744 #
 745 IF(ENABLE_MBEDTLS)
 746   FIND_PACKAGE(MbedTLS)
 747   IF(MBEDTLS_FOUND)
 748     SET(HAVE_LIBMBEDCRYPTO 1)
 749     LIST(APPEND ADDITIONAL_LIBS ${MBEDCRYPTO_LIBRARY})
 750     INCLUDE_DIRECTORIES(${MBEDTLS_INCLUDE_DIRS})
 751
 752     LIST(APPEND CMAKE_REQUIRED_INCLUDES ${MBEDTLS_INCLUDE_DIRS})
 753     LA_CHECK_INCLUDE_FILE("mbedtls/aes.h" HAVE_MBEDTLS_AES_H)
 754     LA_CHECK_INCLUDE_FILE("mbedtls/md.h" HAVE_MBEDTLS_MD_H)
 755     LA_CHECK_INCLUDE_FILE("mbedtls/pkcs5.h" HAVE_MBEDTLS_PKCS5_H)
 756
 757   ENDIF(MBEDTLS_FOUND)
 758   MARK_AS_ADVANCED(CLEAR MBEDTLS_INCLUDE_DIRS)
 759   MARK_AS_ADVANCED(CLEAR MBEDCRYPTO_LIBRARY)
 760 ENDIF(ENABLE_MBEDTLS)
 761
 762 #
 763 # Find Nettle
 764 #
 765 IF(ENABLE_NETTLE)
 766   FIND_PACKAGE(Nettle)
 767   IF(NETTLE_FOUND)
 768     SET(HAVE_LIBNETTLE 1)
 769     LIST(APPEND ADDITIONAL_LIBS ${NETTLE_LIBRARIES})
 770     INCLUDE_DIRECTORIES(${NETTLE_INCLUDE_DIR})
 771
 772     LIST(APPEND CMAKE_REQUIRED_INCLUDES ${NETTLE_INCLUDE_DIR})
 773     LA_CHECK_INCLUDE_FILE("nettle/aes.h" HAVE_NETTLE_AES_H)
 774     LA_CHECK_INCLUDE_FILE("nettle/hmac.h" HAVE_NETTLE_HMAC_H)
 775     LA_CHECK_INCLUDE_FILE("nettle/md5.h" HAVE_NETTLE_MD5_H)
 776     LA_CHECK_INCLUDE_FILE("nettle/pbkdf2.h" HAVE_NETTLE_PBKDF2_H)
 777     LA_CHECK_INCLUDE_FILE("nettle/ripemd160.h" HAVE_NETTLE_RIPEMD160_H)
 778     LA_CHECK_INCLUDE_FILE("nettle/sha.h" HAVE_NETTLE_SHA_H)
 779
 780   ENDIF(NETTLE_FOUND)
 781   MARK_AS_ADVANCED(CLEAR NETTLE_INCLUDE_DIR)
 782   MARK_AS_ADVANCED(CLEAR NETTLE_LIBRARIES)
 783 ENDIF(ENABLE_NETTLE)
 784
 785 #
 786 # Find OpenSSL
 787 # (Except on Mac, where OpenSSL is deprecated.)
 788 #
 789 IF(ENABLE_OPENSSL AND NOT CMAKE_SYSTEM_NAME MATCHES "Darwin")
 790   FIND_PACKAGE(OpenSSL)
 791   IF(OPENSSL_FOUND)
 792     SET(HAVE_LIBCRYPTO 1)
 793     INCLUDE_DIRECTORIES(${OPENSSL_INCLUDE_DIR})
 794     LIST(APPEND ADDITIONAL_LIBS ${OPENSSL_CRYPTO_LIBRARY})
 795   ENDIF(OPENSSL_FOUND)
 796 ELSE()
 797   SET(OPENSSL_FOUND FALSE) # Override cached value
 798 ENDIF()
 799
 800 # FreeBSD libmd
 801 IF(NOT OPENSSL_FOUND)
 802   CHECK_LIBRARY_EXISTS(md "MD5Init" "" LIBMD_FOUND)
 803   IF(LIBMD_FOUND)
 804     CMAKE_PUSH_CHECK_STATE()    # Save the state of the variables
 805     SET(CMAKE_REQUIRED_LIBRARIES "md")
 806     FIND_LIBRARY(LIBMD_LIBRARY NAMES md)
 807     LIST(APPEND ADDITIONAL_LIBS ${LIBMD_LIBRARY})
 808     CMAKE_POP_CHECK_STATE()     # Restore the state of the variables
 809   ENDIF(LIBMD_FOUND)
 810 ENDIF(NOT OPENSSL_FOUND)
 811
 812 #
 813 # How to prove that CRYPTO functions, which have several names on various
 814 # platforms, just see if archive_digest.c can compile and link against
 815 # required libraries.
 816 #
 817 MACRO(CHECK_CRYPTO ALGORITHMS IMPLEMENTATION)
 818     FOREACH(ALGORITHM ${ALGORITHMS})
 819       IF(NOT ARCHIVE_CRYPTO_${ALGORITHM})
 820       STRING(TOLOWER "${ALGORITHM}" lower_algorithm)
 821       STRING(TOUPPER "${ALGORITHM}" algorithm)
 822       IF ("${IMPLEMENTATION}" MATCHES "^OPENSSL$" AND NOT OPENSSL_FOUND)
 823         SET(ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION} FALSE)
 824       ELSEIF("${IMPLEMENTATION}" MATCHES "^MBEDTLS$" AND NOT MBEDTLS_FOUND)
 825         SET(ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION} FALSE)
 826       ELSEIF("${IMPLEMENTATION}" MATCHES "^NETTLE$" AND NOT NETTLE_FOUND)
 827         SET(ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION} FALSE)
 828       ENDIF("${IMPLEMENTATION}" MATCHES "^OPENSSL$" AND NOT OPENSSL_FOUND)
 829
 830       IF(NOT DEFINED ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION})
 831         # Probe the local implementation for whether this
 832         # crypto implementation is available on this platform.
 833         SET(TRY_CRYPTO_REQUIRED_INCLUDES
 834           "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_BINARY_DIR};${CMAKE_CURRENT_SOURCE_DIR}/libarchive;${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp")
 835         SET(TRY_CRYPTO_REQUIRED_LIBS)
 836         IF ("${IMPLEMENTATION}" MATCHES "^OPENSSL$" AND OPENSSL_FOUND)
 837             SET(TRY_CRYPTO_REQUIRED_INCLUDES
 838               "${TRY_CRYPTO_REQUIRED_INCLUDES};${OPENSSL_INCLUDE_DIR}")
 839             SET(TRY_CRYPTO_REQUIRED_LIBS
 840                 "-DLINK_LIBRARIES:STRING=${OPENSSL_LIBRARIES}")
 841         ELSEIF("${IMPLEMENTATION}" MATCHES "^MBEDTLS$" AND MBEDTLS_FOUND)
 842             SET(TRY_CRYPTO_REQUIRED_INCLUDES
 843               "${TRY_CRYPTO_REQUIRED_INCLUDES};${MBEDTLS_INCLUDE_DIRS}")
 844             SET(TRY_CRYPTO_REQUIRED_LIBS
 845               "-DLINK_LIBRARIES:STRING=${MBEDCRYPTO_LIBRARY}")
 846         ELSEIF("${IMPLEMENTATION}" MATCHES "^NETTLE$" AND NETTLE_FOUND)
 847             SET(TRY_CRYPTO_REQUIRED_INCLUDES
 848               "${TRY_CRYPTO_REQUIRED_INCLUDES};${NETTLE_INCLUDE_DIR}")
 849             SET(TRY_CRYPTO_REQUIRED_LIBS
 850                 "-DLINK_LIBRARIES:STRING=${NETTLE_LIBRARY}")
 851         ELSEIF("${IMPLEMENTATION}" MATCHES "^LIBMD$" AND LIBMD_FOUND)
 852             SET(TRY_CRYPTO_REQUIRED_LIBS
 853                 "-DLINK_LIBRARIES:STRING=${LIBMD_LIBRARY}")
 854         ENDIF("${IMPLEMENTATION}" MATCHES "^OPENSSL$" AND OPENSSL_FOUND)
 855
 856     CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/build/cmake/config.h.in
 857       ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/confdefs.h)
 858         FILE(READ "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/confdefs.h"
 859              CONFDEFS_H)
 860         FILE(READ "${CMAKE_CURRENT_SOURCE_DIR}/libarchive/archive_digest.c"
 861              ARCHIVE_CRYPTO_C)
 862
 863         SET(SOURCE "${CONFDEFS_H}
 864
 865 #define ARCHIVE_${algorithm}_COMPILE_TEST
 866 #define ARCHIVE_CRYPTO_${algorithm}_${IMPLEMENTATION}
 867 #define PLATFORM_CONFIG_H \"check_crypto_md.h\"
 868
 869 ${ARCHIVE_CRYPTO_C}
 870
 871 int
 872 main(int argc, char **argv)
 873 {
 874   archive_${lower_algorithm}_ctx ctx;
 875   archive_${lower_algorithm}_init(&ctx);
 876   archive_${lower_algorithm}_update(&ctx, *argv, argc);
 877   archive_${lower_algorithm}_final(&ctx, NULL);
 878   return 0;
 879 }
 880 ")
 881
 882   FILE(WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/check_crypto_md.h" "")
 883         FILE(WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/check_crypto_md.c" "${SOURCE}")
 884         MESSAGE(STATUS "Checking support for ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION}")
 885
 886         TRY_COMPILE(ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION}
 887           ${CMAKE_BINARY_DIR}
 888           ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/check_crypto_md.c
 889           CMAKE_FLAGS
 890            "${TRY_CRYPTO_REQUIRED_LIBS}"
 891            "${TRY_CRYPTO_REQUIRED_INCLUDES}"
 892           OUTPUT_VARIABLE OUTPUT)
 893
 894         # Inform user whether or not we found it; if not, log why we didn't.
 895         IF (ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION})
 896           MESSAGE(STATUS "Checking support for ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION} -- found")
 897                   SET(ARCHIVE_CRYPTO_${ALGORITHM} 1)
 898         ELSE (ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION})
 899           MESSAGE(STATUS "Checking support for ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION} -- not found")
 900           FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
 901             "Checking support for ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION} failed with the following output:\n"
 902             "${OUTPUT}\n"
 903             "Source file was:\n${SOURCE}\n")
 904         ENDIF (ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION})
 905       ENDIF(NOT DEFINED ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION})
 906
 907       # Add appropriate libs/includes depending on whether the implementation
 908       # was found on this platform.
 909       IF (ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION})
 910         IF ("${IMPLEMENTATION}" MATCHES "^OPENSSL$" AND OPENSSL_FOUND)
 911           INCLUDE_DIRECTORIES(${OPENSSL_INCLUDE_DIR})
 912           LIST(APPEND ADDITIONAL_LIBS ${OPENSSL_LIBRARIES})
 913            LIST(REMOVE_DUPLICATES ADDITIONAL_LIBS)
 914         ENDIF ("${IMPLEMENTATION}" MATCHES "^OPENSSL$" AND OPENSSL_FOUND)
 915       ENDIF (ARCHIVE_CRYPTO_${ALGORITHM}_${IMPLEMENTATION})
 916       ENDIF(NOT ARCHIVE_CRYPTO_${ALGORITHM})
 917     ENDFOREACH(ALGORITHM ${ALGORITHMS})
 918 ENDMACRO(CHECK_CRYPTO ALGORITHMS IMPLEMENTATION)
 919
 920 #
 921 # CRYPTO functions on Windows is defined at archive_windows.c, thus we do not
 922 # need the test what the functions can be mapped to archive_{crypto name}_init,
 923 # archive_{crypto name}_update and archive_{crypto name}_final.
 924 # The functions on Windows use CALG_{crypto name} macro to create a crypt object
 925 # and then we need to know what CALG_{crypto name} macros is available to show
 926 # ARCHIVE_CRYPTO_{crypto name}_WIN macros because Windows 2000 and earlier version
 927 # of Windows XP do not support SHA256, SHA384 and SHA512.
 928 #
 929 MACRO(CHECK_CRYPTO_WIN CRYPTO_LIST)
 930   IF(WIN32 AND NOT CYGWIN)
 931     FOREACH(CRYPTO ${CRYPTO_LIST})
 932       IF(NOT ARCHIVE_CRYPTO_${CRYPTO})
 933       IF(NOT DEFINED ARCHIVE_CRYPTO_${CRYPTO}_WIN)
 934         STRING(TOUPPER "${CRYPTO}" crypto)
 935         SET(ALGID "")
 936         IF ("${CRYPTO}" MATCHES "^MD5$")
 937             SET(ALGID "CALG_MD5")
 938         ENDIF ("${CRYPTO}" MATCHES "^MD5$")
 939         IF ("${CRYPTO}" MATCHES "^SHA1$")
 940             SET(ALGID "CALG_SHA1")
 941         ENDIF ("${CRYPTO}" MATCHES "^SHA1$")
 942         IF ("${CRYPTO}" MATCHES "^SHA256$")
 943             SET(ALGID "CALG_SHA_256")
 944         ENDIF ("${CRYPTO}" MATCHES "^SHA256$")
 945         IF ("${CRYPTO}" MATCHES "^SHA384$")
 946             SET(ALGID "CALG_SHA_384")
 947         ENDIF ("${CRYPTO}" MATCHES "^SHA384$")
 948         IF ("${CRYPTO}" MATCHES "^SHA512$")
 949             SET(ALGID "CALG_SHA_512")
 950         ENDIF ("${CRYPTO}" MATCHES "^SHA512$")
 951
 952     CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/build/cmake/config.h.in
 953       ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/confdefs.h)
 954         FILE(READ "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/confdefs.h"
 955              CONFDEFS_H)
 956
 957         SET(SOURCE "${CONFDEFS_H}
 958
 959 #define ${crypto}_COMPILE_TEST
 960 #include <windows.h>
 961 #include <wincrypt.h>
 962
 963 int
 964 main(int argc, char **argv)
 965 {
 966         return ${ALGID};
 967 }
 968 ")
 969         SET(SOURCE_FILE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/check_crypto_win.c")
 970
 971         FILE(WRITE "${SOURCE_FILE}" "${SOURCE}")
 972         MESSAGE(STATUS "Checking support for ARCHIVE_CRYPTO_${CRYPTO}_WIN")
 973
 974         TRY_COMPILE(ARCHIVE_CRYPTO_${CRYPTO}_WIN
 975           ${CMAKE_BINARY_DIR}
 976           ${SOURCE_FILE}
 977           CMAKE_FLAGS "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_BINARY_DIR};${CMAKE_CURRENT_SOURCE_DIR}/libarchive"
 978           OUTPUT_VARIABLE OUTPUT)
 979
 980         IF (ARCHIVE_CRYPTO_${CRYPTO}_WIN)
 981             MESSAGE(STATUS
 982                 "Checking support for ARCHIVE_CRYPTO_${CRYPTO}_WIN -- found")
 983                 SET(ARCHIVE_CRYPTO_${CRYPTO} 1)
 984         ELSE (ARCHIVE_CRYPTO_${CRYPTO}_WIN)
 985             MESSAGE(STATUS
 986                  "Checking support for ARCHIVE_CRYPTO_${CRYPTO}_WIN -- not found")
 987             FILE(APPEND
 988                 ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
 989                 "Checking support for ARCHIVE_CRYPTO_${CRYPTO}_WIN failed with the following output:\n"
 990                 "${OUTPUT}\n"
 991                 "Source file was:\n${SOURCE}\n")
 992         ENDIF (ARCHIVE_CRYPTO_${CRYPTO}_WIN)
 993
 994       ENDIF(NOT DEFINED ARCHIVE_CRYPTO_${CRYPTO}_WIN)
 995       ENDIF(NOT ARCHIVE_CRYPTO_${CRYPTO})
 996     ENDFOREACH(CRYPTO)
 997   ENDIF(WIN32 AND NOT CYGWIN)
 998 ENDMACRO(CHECK_CRYPTO_WIN CRYPTO_LIST)
 999
1000 #
1001 # Find iconv
1002 # POSIX defines the second arg as const char **
1003 # and requires it to be in libc.  But we can accept
1004 # a non-const argument here and can support iconv()
1005 # being in libiconv.
1006 #
1007 MACRO(CHECK_ICONV LIB TRY_ICONV_CONST)
1008   IF(NOT HAVE_ICONV)
1009     CMAKE_PUSH_CHECK_STATE()    # Save the state of the variables
1010     IF (CMAKE_C_COMPILER_ID MATCHES "^GNU$" OR
1011         CMAKE_C_COMPILER_ID MATCHES "^Clang$")
1012       #
1013       # During checking iconv proto type, we should use -Werror to avoid the
1014       # success of iconv detection with a warnig which success is a miss
1015       # detection. So this needs for all build mode(even it's a release mode).
1016       #
1017       SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Werror")
1018     ENDIF (CMAKE_C_COMPILER_ID MATCHES "^GNU$" OR
1019            CMAKE_C_COMPILER_ID MATCHES "^Clang$")
1020     IF (CMAKE_C_COMPILER_ID MATCHES "^XL$")
1021       SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -qhalt=w -qflag=w:w")
1022     ENDIF (CMAKE_C_COMPILER_ID MATCHES "^XL$")
1023     IF (MSVC)
1024       # NOTE: /WX option is the same as gcc's -Werror option.
1025       SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} /WX")
1026     ENDIF (MSVC)
1027     #
1028     CHECK_C_SOURCE_COMPILES(
1029       "#include <stdlib.h>
1030        #include <iconv.h>
1031        int main() {
1032           ${TRY_ICONV_CONST} char *ccp;
1033           iconv_t cd = iconv_open(\"\", \"\");
1034           iconv(cd, &ccp, (size_t *)0, (char **)0, (size_t *)0);
1035           iconv_close(cd);
1036           return 0;
1037        }"
1038      HAVE_ICONV_${LIB}_${TRY_ICONV_CONST})
1039     IF(HAVE_ICONV_${LIB}_${TRY_ICONV_CONST})
1040       SET(HAVE_ICONV true)
1041       SET(ICONV_CONST ${TRY_ICONV_CONST})
1042     ENDIF(HAVE_ICONV_${LIB}_${TRY_ICONV_CONST})
1043     CMAKE_POP_CHECK_STATE()     # Restore the state of the variables
1044   ENDIF(NOT HAVE_ICONV)
1045 ENDMACRO(CHECK_ICONV TRY_ICONV_CONST)
1046
1047 IF(ENABLE_ICONV)
1048   CMAKE_PUSH_CHECK_STATE()      # Save the state of the variables
1049   FIND_PATH(ICONV_INCLUDE_DIR iconv.h)
1050   IF(ICONV_INCLUDE_DIR)
1051     #SET(INCLUDES ${INCLUDES} "iconv.h")
1052     SET(HAVE_ICONV_H 1)
1053     INCLUDE_DIRECTORIES(${ICONV_INCLUDE_DIR})
1054     SET(CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIR})
1055     CHECK_ICONV("libc" "const")
1056     CHECK_ICONV("libc" "")
1057
1058     # If iconv isn't in libc and we have a libiconv, try that.
1059     FIND_LIBRARY(LIBICONV_PATH NAMES iconv libiconv)
1060     IF(NOT HAVE_ICONV AND LIBICONV_PATH)
1061       LIST(APPEND CMAKE_REQUIRED_LIBRARIES ${LIBICONV_PATH})
1062       # Test if a macro is needed for the library.
1063       TRY_MACRO_FOR_LIBRARY(
1064         "${ICONV_INCLUDE_DIR}" "${LIBICONV_PATH}"
1065         COMPILES
1066         "#include <iconv.h>\nint main() {return iconv_close((iconv_t)0);}"
1067         "WITHOUT_LIBICONV_STATIC;LIBICONV_STATIC")
1068       IF(NOT WITHOUT_LIBICONV_STATIC AND LIBICONV_STATIC)
1069         ADD_DEFINITIONS(-DLIBICONV_STATIC)
1070       ENDIF(NOT WITHOUT_LIBICONV_STATIC AND LIBICONV_STATIC)
1071       #
1072       # Set up CMAKE_REQUIRED_* for CHECK_ICONV
1073       #
1074       SET(CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIR})
1075       SET(CMAKE_REQUIRED_LIBRARIES ${LIBICONV_PATH})
1076       IF(LIBICONV_STATIC)
1077         # LIBICONV_STATIC is necessary for the success of CHECK_ICONV
1078         # on Windows.
1079         SET(CMAKE_REQUIRED_DEFINITIONS "-DLIBICONV_STATIC")
1080       ELSE(LIBICONV_STATIC)
1081         SET(CMAKE_REQUIRED_DEFINITIONS)
1082       ENDIF(LIBICONV_STATIC)
1083       CHECK_ICONV("libiconv" "const")
1084       CHECK_ICONV("libiconv" "")
1085       IF (HAVE_ICONV)
1086         LIST(APPEND ADDITIONAL_LIBS ${LIBICONV_PATH})
1087       ENDIF(HAVE_ICONV)
1088     ENDIF(NOT HAVE_ICONV AND LIBICONV_PATH)
1089   ENDIF(ICONV_INCLUDE_DIR)
1090   #
1091   # Find locale_charset() for libiconv.
1092   #
1093   IF(LIBICONV_PATH)
1094     SET(CMAKE_REQUIRED_DEFINITIONS)
1095     SET(CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIR})
1096     SET(CMAKE_REQUIRED_LIBRARIES)
1097     CHECK_INCLUDE_FILES("localcharset.h" HAVE_LOCALCHARSET_H)
1098     FIND_LIBRARY(LIBCHARSET_PATH NAMES charset libcharset)
1099     IF(LIBCHARSET_PATH)
1100       SET(CMAKE_REQUIRED_LIBRARIES ${LIBCHARSET_PATH})
1101       IF(WIN32 AND NOT CYGWIN)
1102         # Test if a macro is needed for the library.
1103         TRY_MACRO_FOR_LIBRARY(
1104           "${ICONV_INCLUDE_DIR}" "${LIBCHARSET_PATH}"
1105           COMPILES
1106           "#include <localcharset.h>\nint main() {return locale_charset()?1:0;}"
1107           "WITHOUT_LIBCHARSET_STATIC;LIBCHARSET_STATIC")
1108         IF(NOT WITHOUT_LIBCHARSET_STATIC AND LIBCHARSET_STATIC)
1109           ADD_DEFINITIONS(-DLIBCHARSET_STATIC)
1110         ENDIF(NOT WITHOUT_LIBCHARSET_STATIC AND LIBCHARSET_STATIC)
1111         IF(WITHOUT_LIBCHARSET_STATIC OR LIBCHARSET_STATIC)
1112           SET(HAVE_LOCALE_CHARSET ON CACHE INTERNAL
1113               "Have function locale_charset")
1114         ENDIF(WITHOUT_LIBCHARSET_STATIC OR LIBCHARSET_STATIC)
1115       ELSE(WIN32 AND NOT CYGWIN)
1116         CHECK_FUNCTION_EXISTS_GLIBC(locale_charset HAVE_LOCALE_CHARSET)
1117       ENDIF(WIN32 AND NOT CYGWIN)
1118       IF(HAVE_LOCALE_CHARSET)
1119         LIST(APPEND ADDITIONAL_LIBS ${LIBCHARSET_PATH})
1120       ENDIF(HAVE_LOCALE_CHARSET)
1121     ENDIF(LIBCHARSET_PATH)
1122   ENDIF(LIBICONV_PATH)
1123   CMAKE_POP_CHECK_STATE()       # Restore the state of the variables
1124 ELSE(ENABLE_ICONV)
1125   # Make sure ICONV variables are not in CACHE after ENABLE_ICONV disabled
1126   # (once enabled).
1127   UNSET(HAVE_LOCALE_CHARSET CACHE)
1128   UNSET(HAVE_ICONV CACHE)
1129   UNSET(HAVE_ICONV_libc_ CACHE)
1130   UNSET(HAVE_ICONV_libc_const CACHE)
1131   UNSET(HAVE_ICONV_libiconv_ CACHE)
1132   UNSET(HAVE_ICONV_libiconv_const CACHE)
1133   UNSET(ICONV_INCLUDE_DIR CACHE)
1134   UNSET(LIBICONV_PATH CACHE)
1135   UNSET(LIBICONV_DLL CACHE)
1136   UNSET(LIBICONV_STATIC CACHE)
1137   UNSET(LIBCHARSET_DLL CACHE)
1138   UNSET(LIBCHARSET_STATIC CACHE)
1139 ENDIF(ENABLE_ICONV)
1140
1141 #
1142 # Find Libxml2
1143 #
1144 IF(ENABLE_LIBXML2)
1145   FIND_PACKAGE(LibXml2)
1146 ELSE()
1147   SET(LIBXML2_FOUND FALSE)
1148 ENDIF()
1149 IF(LIBXML2_FOUND)
1150   CMAKE_PUSH_CHECK_STATE()      # Save the state of the variables
1151   INCLUDE_DIRECTORIES(${LIBXML2_INCLUDE_DIR})
1152   LIST(APPEND ADDITIONAL_LIBS ${LIBXML2_LIBRARIES})
1153   SET(HAVE_LIBXML2 1)
1154   # libxml2's include files use iconv.h
1155   SET(CMAKE_REQUIRED_INCLUDES ${ICONV_INCLUDE_DIR} ${LIBXML2_INCLUDE_DIR})
1156   CHECK_INCLUDE_FILES("libxml/xmlreader.h" HAVE_LIBXML_XMLREADER_H)
1157   CHECK_INCLUDE_FILES("libxml/xmlwriter.h" HAVE_LIBXML_XMLWRITER_H)
1158   # Test if a macro is needed for the library.
1159   TRY_MACRO_FOR_LIBRARY(
1160     "${ICONV_INCLUDE_DIR};${LIBXML2_INCLUDE_DIR}"
1161     "ws2_32.lib;${ZLIB_LIBRARIES};${LIBICONV_PATH};${LIBXML2_LIBRARIES}"
1162     COMPILES
1163     "#include <stddef.h>\n#include <libxml/xmlreader.h>\nint main() {return xmlTextReaderRead((xmlTextReaderPtr)(void *)0);}"
1164     "WITHOUT_LIBXML_STATIC;LIBXML_STATIC")
1165   IF(NOT WITHOUT_LIBXML_STATIC AND LIBXML_STATIC)
1166     ADD_DEFINITIONS(-DLIBXML_STATIC)
1167   ENDIF(NOT WITHOUT_LIBXML_STATIC AND LIBXML_STATIC)
1168   CMAKE_POP_CHECK_STATE()       # Restore the state of the variables
1169 ELSE(LIBXML2_FOUND)
1170   #
1171   # Find Expat
1172   #
1173   IF(ENABLE_EXPAT)
1174     FIND_PACKAGE(EXPAT)
1175   ELSE()
1176     SET(EXPAT_FOUND FALSE)
1177   ENDIF()
1178   IF(EXPAT_FOUND)
1179     CMAKE_PUSH_CHECK_STATE()    # Save the state of the variables
1180     INCLUDE_DIRECTORIES(${EXPAT_INCLUDE_DIR})
1181     LIST(APPEND ADDITIONAL_LIBS ${EXPAT_LIBRARIES})
1182     SET(HAVE_LIBEXPAT 1)
1183     LA_CHECK_INCLUDE_FILE("expat.h" HAVE_EXPAT_H)
1184     CMAKE_POP_CHECK_STATE()     # Restore the state of the variables
1185   ENDIF(EXPAT_FOUND)
1186 ENDIF(LIBXML2_FOUND)
1187 MARK_AS_ADVANCED(CLEAR LIBXML2_INCLUDE_DIR)
1188 MARK_AS_ADVANCED(CLEAR LIBXML2_LIBRARIES)
1189
1190 #
1191 # POSIX Regular Expression support
1192 #
1193 IF(POSIX_REGEX_LIB MATCHES "^(AUTO|LIBC|LIBREGEX)$")
1194   #
1195   # If PCREPOSIX is not found or not requested, try using regex
1196   # from libc or libregex
1197   #
1198   FIND_PATH(REGEX_INCLUDE_DIR regex.h)
1199   IF(REGEX_INCLUDE_DIR)
1200     CHECK_FUNCTION_EXISTS_GLIBC(regcomp HAVE_REGCOMP_LIBC)
1201     #
1202     # If libc does not provide regex, find libregex.
1203     #
1204     IF(NOT HAVE_REGCOMP_LIBC)
1205       CMAKE_PUSH_CHECK_STATE()  # Save the state of the variables
1206       FIND_LIBRARY(REGEX_LIBRARY regex)
1207       IF(REGEX_LIBRARY)
1208         SET(CMAKE_REQUIRED_LIBRARIES ${REGEX_LIBRARY})
1209         CHECK_FUNCTION_EXISTS_GLIBC(regcomp HAVE_REGCOMP_LIBREGEX)
1210         IF(HAVE_REGCOMP_LIBREGEX)
1211           LIST(APPEND ADDITIONAL_LIBS ${REGEX_LIBRARY})
1212           #
1213           # If regex.h is not found, retry looking for regex.h at
1214           # REGEX_INCLUDE_DIR
1215           #
1216           IF(NOT HAVE_REGEX_H)
1217             UNSET(HAVE_REGEX_H CACHE)
1218             INCLUDE_DIRECTORIES(${REGEX_INCLUDE_DIR})
1219             SET(CMAKE_REQUIRED_INCLUDES ${REGEX_INCLUDE_DIR})
1220             LA_CHECK_INCLUDE_FILE("regex.h" HAVE_REGEX_H)
1221           ENDIF(NOT HAVE_REGEX_H)
1222           # Test if a macro is needed for the library.
1223           TRY_MACRO_FOR_LIBRARY(
1224             "${REGEX_INCLUDE_DIR}" "${REGEX_LIBRARY}"
1225             COMPILES
1226             "#include <stddef.h>\n#include <regex.h>\nint main() {regex_t r;return regcomp(&r, \"\", 0);}"
1227             "USE_REGEX_DLL;USE_REGEX_STATIC")
1228           IF(USE_REGEX_DLL)
1229             ADD_DEFINITIONS(-DUSE_REGEX_DLL)
1230           ELSEIF(USE_REGEX_STATIC)
1231             ADD_DEFINITIONS(-DUSE_REGEX_STATIC)
1232           ENDIF(USE_REGEX_DLL)
1233         ENDIF(HAVE_REGCOMP_LIBREGEX)
1234       ENDIF(REGEX_LIBRARY)
1235       CMAKE_POP_CHECK_STATE()   # Restore the state of the variables
1236     ENDIF(NOT HAVE_REGCOMP_LIBC)
1237   ENDIF(REGEX_INCLUDE_DIR)
1238   IF(HAVE_REGCOMP_LIBC OR HAVE_REGCOMP_LIBREGEX)
1239     SET(FOUND_POSIX_REGEX_LIB 1)
1240   ENDIF(HAVE_REGCOMP_LIBC OR HAVE_REGCOMP_LIBREGEX)
1241 ENDIF(POSIX_REGEX_LIB MATCHES "^(AUTO|LIBC|LIBREGEX)$")
1242
1243 IF(NOT FOUND_POSIX_REGEX_LIB AND POSIX_REGEX_LIB MATCHES "^(AUTO|LIBPCREPOSIX)$")
1244   #
1245   # If requested, try finding library for PCREPOSIX
1246   #
1247   IF(ENABLE_LibGCC)
1248     FIND_PACKAGE(LibGCC)
1249   ELSE()
1250     SET(LIBGCC_FOUND FALSE) # Override cached value
1251   ENDIF()
1252   IF(ENABLE_PCREPOSIX)
1253     FIND_PACKAGE(PCREPOSIX)
1254   ELSE()
1255     SET(PCREPOSIX_FOUND FALSE) # Override cached value
1256   ENDIF()
1257   IF(PCREPOSIX_FOUND)
1258     INCLUDE_DIRECTORIES(${PCRE_INCLUDE_DIR})
1259     LIST(APPEND ADDITIONAL_LIBS ${PCREPOSIX_LIBRARIES})
1260     # Test if a macro is needed for the library.
1261     TRY_MACRO_FOR_LIBRARY(
1262       "${PCRE_INCLUDE_DIR}" "${PCREPOSIX_LIBRARIES}"
1263       COMPILES
1264       "#include <pcreposix.h>\nint main() {regex_t r;return regcomp(&r, \"\", 0);}"
1265       "WITHOUT_PCRE_STATIC;PCRE_STATIC")
1266     IF(NOT WITHOUT_PCRE_STATIC AND PCRE_STATIC)
1267       ADD_DEFINITIONS(-DPCRE_STATIC)
1268         ELSEIF(NOT WITHOUT_PCRE_STATIC AND NOT PCRE_STATIC AND PCRE_FOUND)
1269           # Determine if pcre static libraries are to be used.
1270       LIST(APPEND ADDITIONAL_LIBS ${PCRE_LIBRARIES})
1271       SET(TMP_LIBRARIES ${PCREPOSIX_LIBRARIES} ${PCRE_LIBRARIES})
1272       MESSAGE(STATUS "trying again with -lpcre included")
1273       TRY_MACRO_FOR_LIBRARY(
1274         "${PCRE_INCLUDE_DIR}" "${TMP_LIBRARIES}"
1275         COMPILES
1276         "#include <pcreposix.h>\nint main() {regex_t r;return regcomp(&r, \"\", 0);}"
1277         "WITHOUT_PCRE_STATIC;PCRE_STATIC")
1278       IF(NOT WITHOUT_PCRE_STATIC AND PCRE_STATIC)
1279         ADD_DEFINITIONS(-DPCRE_STATIC)
1280       ELSEIF(NOT WITHOUT_PCRE_STATIC AND NOT PCRE_STATIC AND MSVC AND LIBGCC_FOUND)
1281         # When doing a Visual Studio build using pcre static libraries
1282         # built using the mingw toolchain, -lgcc is needed to resolve
1283         # ___chkstk_ms.
1284         MESSAGE(STATUS "Visual Studio build detected, trying again with -lgcc included")
1285         LIST(APPEND ADDITIONAL_LIBS ${LIBGCC_LIBRARIES})
1286         SET(TMP_LIBRARIES ${PCREPOSIX_LIBRARIES} ${PCRE_LIBRARIES} ${LIBGCC_LIBRARIES})
1287           TRY_MACRO_FOR_LIBRARY(
1288             "${PCRE_INCLUDE_DIR}" "${TMP_LIBRARIES}"
1289             COMPILES
1290             "#include <pcreposix.h>\nint main() {regex_t r;return regcomp(&r, \"\", 0);}"
1291             "WITHOUT_PCRE_STATIC;PCRE_STATIC")
1292           IF(NOT WITHOUT_PCRE_STATIC AND PCRE_STATIC)
1293             ADD_DEFINITIONS(-DPCRE_STATIC)
1294           ENDIF(NOT WITHOUT_PCRE_STATIC AND PCRE_STATIC)
1295       ENDIF(NOT WITHOUT_PCRE_STATIC AND PCRE_STATIC)
1296     ENDIF(NOT WITHOUT_PCRE_STATIC AND PCRE_STATIC)
1297   ENDIF(PCREPOSIX_FOUND)
1298   MARK_AS_ADVANCED(CLEAR PCRE_INCLUDE_DIR)
1299   MARK_AS_ADVANCED(CLEAR PCREPOSIX_LIBRARIES)
1300   MARK_AS_ADVANCED(CLEAR PCRE_LIBRARIES)
1301   MARK_AS_ADVANCED(CLEAR LIBGCC_LIBRARIES)
1302 ENDIF(NOT FOUND_POSIX_REGEX_LIB AND POSIX_REGEX_LIB MATCHES "^(AUTO|LIBPCREPOSIX)$")
1303
1304 #
1305 # Check functions
1306 #
1307 CMAKE_PUSH_CHECK_STATE()        # Save the state of the variables
1308 IF (CMAKE_C_COMPILER_ID MATCHES "^GNU$" OR
1309     CMAKE_C_COMPILER_ID MATCHES "^Clang$")
1310   #
1311   # During checking functions, we should use -fno-builtin to avoid the
1312   # failure of function detection which failure is an error "conflicting
1313   # types for built-in function" caused by using -Werror option.
1314   #
1315   SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -fno-builtin")
1316 ENDIF (CMAKE_C_COMPILER_ID MATCHES "^GNU$" OR
1317        CMAKE_C_COMPILER_ID MATCHES "^Clang$")
1318 CHECK_SYMBOL_EXISTS(_CrtSetReportMode "crtdbg.h" HAVE__CrtSetReportMode)
1319 CHECK_FUNCTION_EXISTS_GLIBC(arc4random_buf HAVE_ARC4RANDOM_BUF)
1320 CHECK_FUNCTION_EXISTS_GLIBC(chflags HAVE_CHFLAGS)
1321 CHECK_FUNCTION_EXISTS_GLIBC(chown HAVE_CHOWN)
1322 CHECK_FUNCTION_EXISTS_GLIBC(chroot HAVE_CHROOT)
1323 CHECK_FUNCTION_EXISTS_GLIBC(ctime_r HAVE_CTIME_R)
1324 CHECK_FUNCTION_EXISTS_GLIBC(fchdir HAVE_FCHDIR)
1325 CHECK_FUNCTION_EXISTS_GLIBC(fchflags HAVE_FCHFLAGS)
1326 CHECK_FUNCTION_EXISTS_GLIBC(fchmod HAVE_FCHMOD)
1327 CHECK_FUNCTION_EXISTS_GLIBC(fchown HAVE_FCHOWN)
1328 CHECK_FUNCTION_EXISTS_GLIBC(fcntl HAVE_FCNTL)
1329 CHECK_FUNCTION_EXISTS_GLIBC(fdopendir HAVE_FDOPENDIR)
1330 CHECK_FUNCTION_EXISTS_GLIBC(fork HAVE_FORK)
1331 CHECK_FUNCTION_EXISTS_GLIBC(fstat HAVE_FSTAT)
1332 CHECK_FUNCTION_EXISTS_GLIBC(fstatat HAVE_FSTATAT)
1333 CHECK_FUNCTION_EXISTS_GLIBC(fstatfs HAVE_FSTATFS)
1334 CHECK_FUNCTION_EXISTS_GLIBC(fstatvfs HAVE_FSTATVFS)
1335 CHECK_FUNCTION_EXISTS_GLIBC(ftruncate HAVE_FTRUNCATE)
1336 CHECK_FUNCTION_EXISTS_GLIBC(futimens HAVE_FUTIMENS)
1337 CHECK_FUNCTION_EXISTS_GLIBC(futimes HAVE_FUTIMES)
1338 CHECK_FUNCTION_EXISTS_GLIBC(futimesat HAVE_FUTIMESAT)
1339 CHECK_FUNCTION_EXISTS_GLIBC(geteuid HAVE_GETEUID)
1340 CHECK_FUNCTION_EXISTS_GLIBC(getgrgid_r HAVE_GETGRGID_R)
1341 CHECK_FUNCTION_EXISTS_GLIBC(getgrnam_r HAVE_GETGRNAM_R)
1342 CHECK_FUNCTION_EXISTS_GLIBC(getpwnam_r HAVE_GETPWNAM_R)
1343 CHECK_FUNCTION_EXISTS_GLIBC(getpwuid_r HAVE_GETPWUID_R)
1344 CHECK_FUNCTION_EXISTS_GLIBC(getpid HAVE_GETPID)
1345 CHECK_FUNCTION_EXISTS_GLIBC(getvfsbyname HAVE_GETVFSBYNAME)
1346 CHECK_FUNCTION_EXISTS_GLIBC(gmtime_r HAVE_GMTIME_R)
1347 CHECK_FUNCTION_EXISTS_GLIBC(lchflags HAVE_LCHFLAGS)
1348 CHECK_FUNCTION_EXISTS_GLIBC(lchmod HAVE_LCHMOD)
1349 CHECK_FUNCTION_EXISTS_GLIBC(lchown HAVE_LCHOWN)
1350 CHECK_FUNCTION_EXISTS_GLIBC(link HAVE_LINK)
1351 CHECK_FUNCTION_EXISTS_GLIBC(localtime_r HAVE_LOCALTIME_R)
1352 CHECK_FUNCTION_EXISTS_GLIBC(lstat HAVE_LSTAT)
1353 CHECK_FUNCTION_EXISTS_GLIBC(lutimes HAVE_LUTIMES)
1354 CHECK_FUNCTION_EXISTS_GLIBC(mbrtowc HAVE_MBRTOWC)
1355 CHECK_FUNCTION_EXISTS_GLIBC(memmove HAVE_MEMMOVE)
1356 CHECK_FUNCTION_EXISTS_GLIBC(mkdir HAVE_MKDIR)
1357 CHECK_FUNCTION_EXISTS_GLIBC(mkfifo HAVE_MKFIFO)
1358 CHECK_FUNCTION_EXISTS_GLIBC(mknod HAVE_MKNOD)
1359 CHECK_FUNCTION_EXISTS_GLIBC(mkstemp HAVE_MKSTEMP)
1360 CHECK_FUNCTION_EXISTS_GLIBC(nl_langinfo HAVE_NL_LANGINFO)
1361 CHECK_FUNCTION_EXISTS_GLIBC(openat HAVE_OPENAT)
1362 CHECK_FUNCTION_EXISTS_GLIBC(pipe HAVE_PIPE)
1363 CHECK_FUNCTION_EXISTS_GLIBC(poll HAVE_POLL)
1364 CHECK_FUNCTION_EXISTS_GLIBC(posix_spawnp HAVE_POSIX_SPAWNP)
1365 CHECK_FUNCTION_EXISTS_GLIBC(readlink HAVE_READLINK)
1366 CHECK_FUNCTION_EXISTS_GLIBC(readpassphrase HAVE_READPASSPHRASE)
1367 CHECK_FUNCTION_EXISTS_GLIBC(select HAVE_SELECT)
1368 CHECK_FUNCTION_EXISTS_GLIBC(setenv HAVE_SETENV)
1369 CHECK_FUNCTION_EXISTS_GLIBC(setlocale HAVE_SETLOCALE)
1370 CHECK_FUNCTION_EXISTS_GLIBC(sigaction HAVE_SIGACTION)
1371 CHECK_FUNCTION_EXISTS_GLIBC(statfs HAVE_STATFS)
1372 CHECK_FUNCTION_EXISTS_GLIBC(statvfs HAVE_STATVFS)
1373 CHECK_FUNCTION_EXISTS_GLIBC(strchr HAVE_STRCHR)
1374 CHECK_FUNCTION_EXISTS_GLIBC(strdup HAVE_STRDUP)
1375 CHECK_FUNCTION_EXISTS_GLIBC(strerror HAVE_STRERROR)
1376 CHECK_FUNCTION_EXISTS_GLIBC(strncpy_s HAVE_STRNCPY_S)
1377 CHECK_FUNCTION_EXISTS_GLIBC(strrchr HAVE_STRRCHR)
1378 CHECK_FUNCTION_EXISTS_GLIBC(symlink HAVE_SYMLINK)
1379 CHECK_FUNCTION_EXISTS_GLIBC(timegm HAVE_TIMEGM)
1380 CHECK_FUNCTION_EXISTS_GLIBC(tzset HAVE_TZSET)
1381 CHECK_FUNCTION_EXISTS_GLIBC(unlinkat HAVE_UNLINKAT)
1382 CHECK_FUNCTION_EXISTS_GLIBC(unsetenv HAVE_UNSETENV)
1383 CHECK_FUNCTION_EXISTS_GLIBC(utime HAVE_UTIME)
1384 CHECK_FUNCTION_EXISTS_GLIBC(utimes HAVE_UTIMES)
1385 CHECK_FUNCTION_EXISTS_GLIBC(utimensat HAVE_UTIMENSAT)
1386 CHECK_FUNCTION_EXISTS_GLIBC(vfork HAVE_VFORK)
1387 CHECK_FUNCTION_EXISTS_GLIBC(wcrtomb HAVE_WCRTOMB)
1388 CHECK_FUNCTION_EXISTS_GLIBC(wcscmp HAVE_WCSCMP)
1389 CHECK_FUNCTION_EXISTS_GLIBC(wcscpy HAVE_WCSCPY)
1390 CHECK_FUNCTION_EXISTS_GLIBC(wcslen HAVE_WCSLEN)
1391 CHECK_FUNCTION_EXISTS_GLIBC(wctomb HAVE_WCTOMB)
1392 CHECK_FUNCTION_EXISTS_GLIBC(_ctime64_s HAVE__CTIME64_S)
1393 CHECK_FUNCTION_EXISTS_GLIBC(_fseeki64 HAVE__FSEEKI64)
1394 CHECK_FUNCTION_EXISTS_GLIBC(_get_timezone HAVE__GET_TIMEZONE)
1395 CHECK_FUNCTION_EXISTS_GLIBC(_localtime64_s HAVE__LOCALTIME64_S)
1396 CHECK_FUNCTION_EXISTS_GLIBC(_mkgmtime64 HAVE__MKGMTIME64)
1397
1398 SET(CMAKE_REQUIRED_LIBRARIES "")
1399 CHECK_FUNCTION_EXISTS(cygwin_conv_path HAVE_CYGWIN_CONV_PATH)
1400 CHECK_FUNCTION_EXISTS(fseeko HAVE_FSEEKO)
1401 CHECK_FUNCTION_EXISTS(strerror_r HAVE_STRERROR_R)
1402 CHECK_FUNCTION_EXISTS(strftime HAVE_STRFTIME)
1403 CHECK_FUNCTION_EXISTS(vprintf HAVE_VPRINTF)
1404 CHECK_FUNCTION_EXISTS(wmemcmp HAVE_WMEMCMP)
1405 CHECK_FUNCTION_EXISTS(wmemcpy HAVE_WMEMCPY)
1406 CHECK_FUNCTION_EXISTS(wmemmove HAVE_WMEMMOVE)
1407
1408 CMAKE_POP_CHECK_STATE() # Restore the state of the variables
1409
1410 CHECK_C_SOURCE_COMPILES(
1411   "#include <sys/types.h>\n#include <sys/mount.h>\nint main(void) { struct vfsconf v; return sizeof(v);}"
1412   HAVE_STRUCT_VFSCONF)
1413
1414 CHECK_C_SOURCE_COMPILES(
1415   "#include <sys/types.h>\n#include <sys/mount.h>\nint main(void) { struct xvfsconf v; return sizeof(v);}"
1416   HAVE_STRUCT_XVFSCONF)
1417
1418 # Make sure we have the POSIX version of readdir_r, not the
1419 # older 2-argument version.
1420 CHECK_C_SOURCE_COMPILES(
1421   "#include <dirent.h>\nint main() {DIR *d = opendir(\".\"); struct dirent e,*r; return readdir_r(d,&e,&r);}"
1422   HAVE_READDIR_R)
1423
1424 # dirfd can be either a function or a macro.
1425 CHECK_C_SOURCE_COMPILES(
1426   "#include <dirent.h>\nint main() {DIR *d = opendir(\".\"); return dirfd(d);}"
1427   HAVE_DIRFD)
1428
1429 # Only detect readlinkat() if we also have AT_FDCWD in unistd.h.
1430 # NOTE: linux requires fcntl.h for AT_FDCWD.
1431 CHECK_C_SOURCE_COMPILES(
1432   "#include <fcntl.h>\n#include <unistd.h>\nint main() {char buf[10]; return readlinkat(AT_FDCWD, \"\", buf, 0);}"
1433   HAVE_READLINKAT)
1434
1435
1436 # To verify major(), we need to both include the header
1437 # of interest and verify that the result can be linked.
1438 # CHECK_FUNCTION_EXISTS doesn't accept a header argument,
1439 # CHECK_SYMBOL_EXISTS doesn't test linkage.
1440 CHECK_C_SOURCE_COMPILES(
1441   "#include <sys/mkdev.h>\nint main() { return major(256); }"
1442   MAJOR_IN_MKDEV)
1443 CHECK_C_SOURCE_COMPILES(
1444   "#include <sys/sysmacros.h>\nint main() { return major(256); }"
1445   MAJOR_IN_SYSMACROS)
1446
1447 CHECK_C_SOURCE_COMPILES(
1448   "#include <lzma.h>\n#if LZMA_VERSION < 50020000\n#error unsupported\n#endif\nint main(void){lzma_stream_encoder_mt(0, 0); return 0;}"
1449   HAVE_LZMA_STREAM_ENCODER_MT)
1450
1451 IF(HAVE_STRERROR_R)
1452   SET(HAVE_DECL_STRERROR_R 1)
1453 ENDIF(HAVE_STRERROR_R)
1454
1455 #
1456 # Check defines
1457 #
1458 SET(headers "limits.h")
1459 IF(HAVE_STDINT_H)
1460   LIST(APPEND headers "stdint.h")
1461 ENDIF(HAVE_STDINT_H)
1462 IF(HAVE_INTTYPES_H)
1463   LIST(APPEND headers "inttypes.h")
1464 ENDIF(HAVE_INTTYPES_H)
1465 CHECK_SYMBOL_EXISTS(EFTYPE           "errno.h"    HAVE_EFTYPE)
1466 CHECK_SYMBOL_EXISTS(EILSEQ           "errno.h"    HAVE_EILSEQ)
1467 CHECK_SYMBOL_EXISTS(D_MD_ORDER       "langinfo.h" HAVE_D_MD_ORDER)
1468 CHECK_SYMBOL_EXISTS(INT32_MAX        "${headers}" HAVE_DECL_INT32_MAX)
1469 CHECK_SYMBOL_EXISTS(INT32_MIN        "${headers}" HAVE_DECL_INT32_MIN)
1470 CHECK_SYMBOL_EXISTS(INT64_MAX        "${headers}" HAVE_DECL_INT64_MAX)
1471 CHECK_SYMBOL_EXISTS(INT64_MIN        "${headers}" HAVE_DECL_INT64_MIN)
1472 CHECK_SYMBOL_EXISTS(INTMAX_MAX       "${headers}" HAVE_DECL_INTMAX_MAX)
1473 CHECK_SYMBOL_EXISTS(INTMAX_MIN       "${headers}" HAVE_DECL_INTMAX_MIN)
1474 CHECK_SYMBOL_EXISTS(UINT32_MAX       "${headers}" HAVE_DECL_UINT32_MAX)
1475 CHECK_SYMBOL_EXISTS(UINT64_MAX       "${headers}" HAVE_DECL_UINT64_MAX)
1476 CHECK_SYMBOL_EXISTS(UINTMAX_MAX      "${headers}" HAVE_DECL_UINTMAX_MAX)
1477 CHECK_SYMBOL_EXISTS(SIZE_MAX         "${headers}" HAVE_DECL_SIZE_MAX)
1478 CHECK_SYMBOL_EXISTS(SSIZE_MAX        "limits.h"   HAVE_DECL_SSIZE_MAX)
1479
1480 #
1481 # Check struct members
1482 #
1483 # Check for tm_gmtoff in struct tm
1484 CHECK_STRUCT_HAS_MEMBER("struct tm" tm_gmtoff
1485     "time.h" HAVE_STRUCT_TM_TM_GMTOFF)
1486 CHECK_STRUCT_HAS_MEMBER("struct tm" __tm_gmtoff
1487     "time.h" HAVE_STRUCT_TM___TM_GMTOFF)
1488
1489 # Check for f_namemax in struct statfs
1490 CHECK_STRUCT_HAS_MEMBER("struct statfs" f_namemax
1491     "sys/param.h;sys/mount.h" HAVE_STRUCT_STATFS_F_NAMEMAX)
1492
1493 # Check for birthtime in struct stat
1494 CHECK_STRUCT_HAS_MEMBER("struct stat" st_birthtime
1495     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_BIRTHTIME)
1496
1497 # Check for high-resolution timestamps in struct stat
1498 CHECK_STRUCT_HAS_MEMBER("struct stat" st_birthtimespec.tv_nsec
1499     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC)
1500 CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtimespec.tv_nsec
1501     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC)
1502 CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtim.tv_nsec
1503     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC)
1504 CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtime_n
1505     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_MTIME_N)
1506 CHECK_STRUCT_HAS_MEMBER("struct stat" st_umtime
1507     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_UMTIME)
1508 CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtime_usec
1509     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_MTIME_USEC)
1510 # Check for block size support in struct stat
1511 CHECK_STRUCT_HAS_MEMBER("struct stat" st_blksize
1512     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_BLKSIZE)
1513 # Check for st_flags in struct stat (BSD fflags)
1514 CHECK_STRUCT_HAS_MEMBER("struct stat" st_flags
1515     "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_FLAGS)
1516
1517 IF(HAVE_SYS_STATVFS_H)
1518   CHECK_STRUCT_HAS_MEMBER("struct statvfs" f_iosize
1519     "sys/types.h;sys/statvfs.h" HAVE_STRUCT_STATVFS_F_IOSIZE)
1520 ENDIF()
1521
1522 #
1523 #
1524 CHECK_STRUCT_HAS_MEMBER("struct tm" tm_sec
1525     "sys/types.h;sys/time.h;time.h" TIME_WITH_SYS_TIME)
1526
1527 #
1528 # Check for integer types
1529 #
1530 #
1531 CHECK_TYPE_SIZE("short" SIZE_OF_SHORT)
1532 CHECK_TYPE_SIZE("int" SIZE_OF_INT)
1533 CHECK_TYPE_SIZE("long" SIZE_OF_LONG)
1534 CHECK_TYPE_SIZE("long long"     SIZE_OF_LONG_LONG)
1535
1536 CHECK_TYPE_SIZE("unsigned short" SIZE_OF_UNSIGNED_SHORT)
1537 CHECK_TYPE_SIZE("unsigned" SIZE_OF_UNSIGNED)
1538 CHECK_TYPE_SIZE("unsigned long" SIZE_OF_UNSIGNED_LONG)
1539 CHECK_TYPE_SIZE("unsigned long long" SIZE_OF_UNSIGNED_LONG_LONG)
1540
1541 CHECK_TYPE_SIZE("__int64" __INT64)
1542 CHECK_TYPE_SIZE("unsigned __int64" UNSIGNED___INT64)
1543
1544 CHECK_TYPE_SIZE(int16_t INT16_T)
1545 CHECK_TYPE_SIZE(int32_t INT32_T)
1546 CHECK_TYPE_SIZE(int64_t INT64_T)
1547 CHECK_TYPE_SIZE(intmax_t INTMAX_T)
1548 CHECK_TYPE_SIZE(uint8_t UINT8_T)
1549 CHECK_TYPE_SIZE(uint16_t UINT16_T)
1550 CHECK_TYPE_SIZE(uint32_t UINT32_T)
1551 CHECK_TYPE_SIZE(uint64_t UINT64_T)
1552 CHECK_TYPE_SIZE(uintmax_t UINTMAX_T)
1553
1554 CHECK_TYPE_SIZE(dev_t       DEV_T)
1555 IF(NOT HAVE_DEV_T)
1556   IF(MSVC)
1557     SET(dev_t "unsigned int")
1558   ENDIF(MSVC)
1559 ENDIF(NOT HAVE_DEV_T)
1560 #
1561 CHECK_TYPE_SIZE(gid_t       GID_T)
1562 IF(NOT HAVE_GID_T)
1563   IF(WIN32)
1564     SET(gid_t "short")
1565   ELSE(WIN32)
1566     SET(gid_t "unsigned int")
1567   ENDIF(WIN32)
1568 ENDIF(NOT HAVE_GID_T)
1569 #
1570 CHECK_TYPE_SIZE(id_t        ID_T)
1571 IF(NOT HAVE_ID_T)
1572   IF(WIN32)
1573     SET(id_t "short")
1574   ELSE(WIN32)
1575     SET(id_t "unsigned int")
1576   ENDIF(WIN32)
1577 ENDIF(NOT HAVE_ID_T)
1578 #
1579 CHECK_TYPE_SIZE(mode_t      MODE_T)
1580 IF(NOT HAVE_MODE_T)
1581   IF(WIN32)
1582     SET(mode_t "unsigned short")
1583   ELSE(WIN32)
1584     SET(mode_t "int")
1585   ENDIF(WIN32)
1586 ENDIF(NOT HAVE_MODE_T)
1587 #
1588 CHECK_TYPE_SIZE(off_t       OFF_T)
1589 IF(NOT HAVE_OFF_T)
1590   SET(off_t "__int64")
1591 ENDIF(NOT HAVE_OFF_T)
1592 #
1593 CHECK_TYPE_SIZE(size_t      SIZE_T)
1594 IF(NOT HAVE_SIZE_T)
1595   IF("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1596     SET(size_t "uint64_t")
1597   ELSE("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1598     SET(size_t   "uint32_t")
1599   ENDIF("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1600 ENDIF(NOT HAVE_SIZE_T)
1601 #
1602 CHECK_TYPE_SIZE(ssize_t     SSIZE_T)
1603 IF(NOT HAVE_SSIZE_T)
1604   IF("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1605     SET(ssize_t "int64_t")
1606   ELSE("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1607     SET(ssize_t "long")
1608   ENDIF("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1609 ENDIF(NOT HAVE_SSIZE_T)
1610 #
1611 CHECK_TYPE_SIZE(uid_t       UID_T)
1612 IF(NOT HAVE_UID_T)
1613   IF(WIN32)
1614     SET(uid_t "short")
1615   ELSE(WIN32)
1616     SET(uid_t "unsigned int")
1617   ENDIF(WIN32)
1618 ENDIF(NOT HAVE_UID_T)
1619 #
1620 CHECK_TYPE_SIZE(pid_t       PID_T)
1621 IF(NOT HAVE_PID_T)
1622   IF(WIN32)
1623     SET(pid_t "int")
1624   ELSE(WIN32)
1625     MESSAGE(FATAL_ERROR "pid_t doesn't exist on this platform?")
1626   ENDIF(WIN32)
1627 ENDIF(NOT HAVE_PID_T)
1628 #
1629 CHECK_TYPE_SIZE(intptr_t   INTPTR_T)
1630 IF(NOT HAVE_INTPTR_T)
1631   IF("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1632     SET(intptr_t "int64_t")
1633   ELSE()
1634     SET(intptr_t "int32_t")
1635   ENDIF()
1636 ENDIF(NOT HAVE_INTPTR_T)
1637 #
1638 CHECK_TYPE_SIZE(uintptr_t   UINTPTR_T)
1639 IF(NOT HAVE_UINTPTR_T)
1640   IF("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
1641     SET(uintptr_t "uint64_t")
1642   ELSE()
1643     SET(uintptr_t "uint32_t")
1644   ENDIF()
1645 ENDIF(NOT HAVE_UINTPTR_T)
1646 #
1647 CHECK_TYPE_SIZE(wchar_t     SIZEOF_WCHAR_T)
1648 IF(HAVE_SIZEOF_WCHAR_T)
1649   SET(HAVE_WCHAR_T 1)
1650 ENDIF(HAVE_SIZEOF_WCHAR_T)
1651 #
1652 # Check if _FILE_OFFSET_BITS macro needed for large files
1653 #
1654 CHECK_FILE_OFFSET_BITS()
1655
1656 #
1657 # Check for Extended Attribute libraries, headers, and functions
1658 #
1659 IF(ENABLE_XATTR)
1660   CHECK_LIBRARY_EXISTS(attr "setxattr" "" HAVE_LIBATTR)
1661   IF(HAVE_LIBATTR)
1662     SET(CMAKE_REQUIRED_LIBRARIES "attr")
1663   ELSE()
1664     CHECK_LIBRARY_EXISTS(gnu "setxattr" "" HAVE_LIBATTR_GNU)
1665     IF(HAVE_LIBATTR_GNU)
1666       SET(CMAKE_REQUIRED_LIBRARIES "gnu")
1667     ENDIF()
1668   ENDIF(HAVE_LIBATTR)
1669   CHECK_SYMBOL_EXISTS(EXTATTR_NAMESPACE_USER "sys/types.h;sys/extattr.h" HAVE_DECL_EXTATTR_NAMESPACE_USER)
1670   CHECK_SYMBOL_EXISTS(XATTR_NOFOLLOW "sys/xattr.h" HAVE_DECL_XATTR_NOFOLLOW)
1671   IF(HAVE_SYS_XATTR_H AND HAVE_DECL_XATTR_NOFOLLOW)
1672     CHECK_FUNCTION_EXISTS(fgetxattr HAVE_FGETXATTR)
1673     CHECK_FUNCTION_EXISTS(flistxattr HAVE_FLISTXATTR)
1674     CHECK_FUNCTION_EXISTS(fsetxattr HAVE_FSETXATTR)
1675     CHECK_FUNCTION_EXISTS(getxattr HAVE_GETXATTR)
1676     CHECK_FUNCTION_EXISTS(listxattr HAVE_LISTXATTR)
1677     CHECK_FUNCTION_EXISTS(setxattr HAVE_SETXATTR)
1678     IF(HAVE_FGETXATTR AND
1679        HAVE_FLISTXATTR AND
1680        HAVE_FSETXATTR AND
1681        HAVE_GETXATTR AND
1682        HAVE_LISTXATTR AND
1683        HAVE_SETXATTR)
1684       SET(ARCHIVE_XATTR_DARWIN TRUE)
1685     ENDIF()
1686   ELSEIF(HAVE_SYS_EXTATTR_H AND HAVE_DECL_EXTATTR_NAMESPACE_USER)
1687     # FreeBSD xattr support
1688     CHECK_FUNCTION_EXISTS(extattr_get_fd HAVE_EXTATTR_GET_FD)
1689     CHECK_FUNCTION_EXISTS(extattr_get_file HAVE_EXTATTR_GET_FILE)
1690     CHECK_FUNCTION_EXISTS(extattr_get_link HAVE_EXTATTR_GET_LINK)
1691     CHECK_FUNCTION_EXISTS(extattr_list_fd HAVE_EXTATTR_LIST_FD)
1692     CHECK_FUNCTION_EXISTS(extattr_list_file HAVE_EXTATTR_LIST_FILE)
1693     CHECK_FUNCTION_EXISTS(extattr_list_link HAVE_EXTATTR_LIST_LINK)
1694     CHECK_FUNCTION_EXISTS(extattr_set_fd HAVE_EXTATTR_SET_FD)
1695     CHECK_FUNCTION_EXISTS(extattr_set_link HAVE_EXTATTR_SET_LINK)
1696     IF(HAVE_EXTATTR_GET_FD AND
1697        HAVE_EXTATTR_GET_FILE AND
1698        HAVE_EXTATTR_GET_LINK AND
1699        HAVE_EXTATTR_LIST_FD AND
1700        HAVE_EXTATTR_LIST_FILE AND
1701        HAVE_EXTATTR_LIST_LINK AND
1702        HAVE_EXTATTR_SET_FD AND
1703        HAVE_EXTATTR_SET_LINK)
1704       SET(ARCHIVE_XATTR_FREEBSD TRUE)
1705     ENDIF()
1706   ELSEIF(HAVE_SYS_XATTR_H OR HAVE_ATTR_XATTR_H)
1707     # Linux xattr support
1708     CHECK_FUNCTION_EXISTS_GLIBC(fgetxattr HAVE_FGETXATTR)
1709     CHECK_FUNCTION_EXISTS_GLIBC(flistxattr HAVE_FLISTXATTR)
1710     CHECK_FUNCTION_EXISTS_GLIBC(fsetxattr HAVE_FSETXATTR)
1711     CHECK_FUNCTION_EXISTS_GLIBC(getxattr HAVE_GETXATTR)
1712     CHECK_FUNCTION_EXISTS_GLIBC(lgetxattr HAVE_LGETXATTR)
1713     CHECK_FUNCTION_EXISTS_GLIBC(listxattr HAVE_LISTXATTR)
1714     CHECK_FUNCTION_EXISTS_GLIBC(llistxattr HAVE_LLISTXATTR)
1715     CHECK_FUNCTION_EXISTS_GLIBC(lsetxattr HAVE_LSETXATTR)
1716     IF(HAVE_FGETXATTR AND
1717        HAVE_FLISTXATTR AND
1718        HAVE_FSETXATTR AND
1719        HAVE_GETXATTR AND
1720        HAVE_LGETXATTR AND
1721        HAVE_LISTXATTR AND
1722        HAVE_LLISTXATTR AND
1723        HAVE_LSETXATTR)
1724       SET(ARCHIVE_XATTR_LINUX TRUE)
1725     ENDIF()
1726   ELSEIF(HAVE_SYS_EA_H)
1727     # AIX xattr support
1728     CHECK_FUNCTION_EXISTS(fgetea HAVE_FGETEA)
1729     CHECK_FUNCTION_EXISTS(flistea HAVE_FLISTEA)
1730     CHECK_FUNCTION_EXISTS(fsetea HAVE_FSETEA)
1731     CHECK_FUNCTION_EXISTS(getea HAVE_GETEA)
1732     CHECK_FUNCTION_EXISTS(lgetea HAVE_LGETEA)
1733     CHECK_FUNCTION_EXISTS(listea HAVE_LISTEA)
1734     CHECK_FUNCTION_EXISTS(llistea HAVE_LLISTEA)
1735     CHECK_FUNCTION_EXISTS(lsetea HAVE_LSETEA)
1736     IF(HAVE_FGETEA AND
1737        HAVE_FLISTEA AND
1738        HAVE_FSETEA AND
1739        HAVE_GETEA AND
1740        HAVE_LGETEA AND
1741        HAVE_LISTEA AND
1742        HAVE_LLISTEA AND
1743        HAVE_LSETEA)
1744       SET(ARCHIVE_XATTR_AIX TRUE)
1745     ENDIF()
1746   ENDIF()
1747
1748   IF(ARCHIVE_XATTR_DARWIN)
1749     MESSAGE(STATUS "Extended attributes support: Darwin")
1750   ELSEIF(ARCHIVE_XATTR_FREEBSD)
1751     MESSAGE(STATUS "Extended attributes support: FreeBSD")
1752   ELSEIF(ARCHIVE_XATTR_LINUX)
1753     MESSAGE(STATUS "Extended attributes support: Linux")
1754   ELSEIF(ARCHIVE_XATTR_AIX)
1755     MESSAGE(STATUS "Extended attributes support: AIX")
1756   ELSE()
1757     MESSAGE(STATUS "Extended attributes support: none")
1758   ENDIF()
1759 ELSE(ENABLE_XATTR)
1760   SET(ARCHIVE_XATTR_DARWIN FALSE)
1761   SET(ARCHIVE_XATTR_FREEBSD FALSE)
1762   SET(ARCHIVE_XATTR_LINUX FALSE)
1763   SET(ARCHIVE_XATTR_AIX FALSE)
1764 ENDIF(ENABLE_XATTR)
1765
1766 #
1767 # Check for ACL libraries, headers, and functions
1768 #
1769 # The ACL support in libarchive is written against the POSIX1e draft,
1770 # which was never officially approved and varies quite a bit across
1771 # platforms.  Worse, some systems have completely non-POSIX acl functions,
1772 # which makes the following checks rather more complex than I would like.
1773 #
1774 IF(ENABLE_ACL)
1775   # Solaris and derivates ACLs
1776   CHECK_FUNCTION_EXISTS(acl HAVE_ACL)
1777   CHECK_FUNCTION_EXISTS(facl HAVE_FACL)
1778
1779   # Libacl
1780   CHECK_LIBRARY_EXISTS(acl "acl_get_file" "" HAVE_LIBACL)
1781   IF(HAVE_LIBACL)
1782     SET(CMAKE_REQUIRED_LIBRARIES "acl")
1783     FIND_LIBRARY(ACL_LIBRARY NAMES acl)
1784     LIST(APPEND ADDITIONAL_LIBS ${ACL_LIBRARY})
1785   ENDIF(HAVE_LIBACL)
1786
1787   CHECK_TYPE_EXISTS(acl_t "sys/types.h;sys/acl.h" HAVE_ACL_T)
1788   CHECK_TYPE_EXISTS(acl_entry_t "sys/types.h;sys/acl.h" HAVE_ACL_ENTRY_T)
1789   CHECK_TYPE_EXISTS(acl_permset_t "sys/types.h;sys/acl.h" HAVE_ACL_PERMSET_T)
1790   CHECK_TYPE_EXISTS(acl_tag_t "sys/types.h;sys/acl.h" HAVE_ACL_TAG_T)
1791
1792   IF(HAVE_ACL AND HAVE_FACL)
1793     CHECK_TYPE_EXISTS(aclent_t "sys/acl.h" HAVE_ACLENT_T)
1794     IF(HAVE_ACLENT_T)
1795       CHECK_SYMBOL_EXISTS(GETACL "sys/acl.h" HAVE_DECL_GETACL)
1796       CHECK_SYMBOL_EXISTS(GETACLCNT "sys/acl.h" HAVE_DECL_GETACLCNT)
1797       CHECK_SYMBOL_EXISTS(SETACL "sys/acl.h" HAVE_DECL_SETACL)
1798       IF(HAVE_DECL_GETACL AND
1799          HAVE_DECL_GETACLCNT AND
1800          HAVE_DECL_SETACL)
1801         SET(ARCHIVE_ACL_SUNOS TRUE)
1802       ENDIF()
1803       CHECK_TYPE_EXISTS(ace_t "sys/acl.h" HAVE_ACE_T)
1804       IF(HAVE_ACE_T)
1805         CHECK_SYMBOL_EXISTS(ACE_GETACL "sys/acl.h" HAVE_DECL_ACE_GETACL)
1806         CHECK_SYMBOL_EXISTS(ACE_GETACLCNT "sys/acl.h" HAVE_DECL_ACE_GETACLCNT)
1807         CHECK_SYMBOL_EXISTS(ACE_SETACL "sys/acl.h" HAVE_DECL_ACE_SETACL)
1808         IF(HAVE_DECL_ACE_GETACL AND
1809            HAVE_DECL_ACE_GETACLCNT AND
1810            HAVE_DECL_ACE_SETACL)
1811           SET(ARCHIVE_ACL_SUNOS_NFS4 TRUE)
1812         ENDIF()
1813       ENDIF(HAVE_ACE_T)
1814     ENDIF(HAVE_ACLENT_T)
1815   ENDIF(HAVE_ACL AND HAVE_FACL)
1816
1817   IF(HAVE_ACL_T AND HAVE_ACL_ENTRY_T AND HAVE_ACL_PERMSET_T AND HAVE_ACL_TAG_T)
1818     CHECK_FUNCTION_EXISTS_GLIBC(acl_add_perm HAVE_ACL_ADD_PERM)
1819     CHECK_FUNCTION_EXISTS_GLIBC(acl_clear_perms HAVE_ACL_CLEAR_PERMS)
1820     CHECK_FUNCTION_EXISTS_GLIBC(acl_create_entry HAVE_ACL_CREATE_ENTRY)
1821     CHECK_FUNCTION_EXISTS_GLIBC(acl_delete_def_file HAVE_ACL_DELETE_DEF_FILE)
1822     CHECK_FUNCTION_EXISTS_GLIBC(acl_free HAVE_ACL_FREE)
1823     CHECK_FUNCTION_EXISTS_GLIBC(acl_get_entry HAVE_ACL_GET_ENTRY)
1824     CHECK_FUNCTION_EXISTS_GLIBC(acl_get_fd HAVE_ACL_GET_FD)
1825     CHECK_FUNCTION_EXISTS_GLIBC(acl_get_file HAVE_ACL_GET_FILE)
1826     CHECK_FUNCTION_EXISTS_GLIBC(acl_get_permset HAVE_ACL_GET_PERMSET)
1827     CHECK_FUNCTION_EXISTS_GLIBC(acl_get_qualifier HAVE_ACL_GET_QUALIFIER)
1828     CHECK_FUNCTION_EXISTS_GLIBC(acl_get_tag_type HAVE_ACL_GET_TAG_TYPE)
1829     CHECK_FUNCTION_EXISTS_GLIBC(acl_init HAVE_ACL_INIT)
1830     CHECK_FUNCTION_EXISTS_GLIBC(acl_set_fd HAVE_ACL_SET_FD)
1831     CHECK_FUNCTION_EXISTS_GLIBC(acl_set_file HAVE_ACL_SET_FILE)
1832     CHECK_FUNCTION_EXISTS_GLIBC(acl_set_qualifier HAVE_ACL_SET_QUALIFIER)
1833     CHECK_FUNCTION_EXISTS_GLIBC(acl_set_tag_type HAVE_ACL_SET_TAG_TYPE)
1834     IF(HAVE_ACL_ADD_PERM AND
1835        HAVE_ACL_CLEAR_PERMS AND
1836        HAVE_ACL_CREATE_ENTRY AND
1837        HAVE_ACL_DELETE_DEF_FILE AND
1838        HAVE_ACL_FREE AND
1839        HAVE_ACL_GET_ENTRY AND
1840        HAVE_ACL_GET_FD AND
1841        HAVE_ACL_GET_FILE AND
1842        HAVE_ACL_GET_PERMSET AND
1843        HAVE_ACL_GET_QUALIFIER AND
1844        HAVE_ACL_GET_TAG_TYPE AND
1845        HAVE_ACL_INIT AND
1846        HAVE_ACL_SET_FD AND
1847        HAVE_ACL_SET_FILE AND
1848        HAVE_ACL_SET_QUALIFIER AND
1849        HAVE_ACL_SET_TAG_TYPE)
1850          SET(HAVE_POSIX_ACL_FUNCS 1)
1851     ENDIF()
1852
1853     CHECK_FUNCTION_EXISTS_GLIBC(acl_get_perm HAVE_ACL_GET_PERM)
1854
1855     IF(HAVE_POSIX_ACL_FUNCS AND HAVE_ACL_LIBACL_H AND HAVE_LIBACL AND
1856        HAVE_ACL_GET_PERM)
1857       SET(ARCHIVE_ACL_LIBACL TRUE)
1858     ELSE()
1859       CHECK_FUNCTION_EXISTS(acl_add_flag_np HAVE_ACL_ADD_FLAG_NP)
1860       CHECK_FUNCTION_EXISTS(acl_clear_flags_np HAVE_ACL_CLEAR_FLAGS_NP)
1861       CHECK_FUNCTION_EXISTS(acl_get_brand_np HAVE_ACL_GET_BRAND_NP)
1862       CHECK_FUNCTION_EXISTS(acl_get_entry_type_np HAVE_ACL_GET_ENTRY_TYPE_NP)
1863       CHECK_FUNCTION_EXISTS(acl_get_flag_np HAVE_ACL_GET_FLAG_NP)
1864       CHECK_FUNCTION_EXISTS(acl_get_flagset_np HAVE_ACL_GET_FLAGSET_NP)
1865       CHECK_FUNCTION_EXISTS(acl_get_fd_np HAVE_ACL_GET_FD_NP)
1866       CHECK_FUNCTION_EXISTS(acl_get_link_np HAVE_ACL_GET_LINK_NP)
1867       CHECK_FUNCTION_EXISTS(acl_get_perm_np HAVE_ACL_GET_PERM_NP)
1868       CHECK_FUNCTION_EXISTS(acl_is_trivial_np HAVE_ACL_IS_TRIVIAL_NP)
1869       CHECK_FUNCTION_EXISTS(acl_set_entry_type_np HAVE_ACL_SET_ENTRY_TYPE_NP)
1870       CHECK_FUNCTION_EXISTS(acl_set_fd_np HAVE_ACL_SET_FD_NP)
1871       CHECK_FUNCTION_EXISTS(acl_set_link_np HAVE_ACL_SET_LINK_NP)
1872       CHECK_FUNCTION_EXISTS(mbr_gid_to_uuid HAVE_MBR_GID_TO_UUID)
1873       CHECK_FUNCTION_EXISTS(mbr_uid_to_uuid HAVE_MBR_UID_TO_UUID)
1874       CHECK_FUNCTION_EXISTS(mbr_uuid_to_id HAVE_MBR_UUID_TO_ID)
1875
1876       CHECK_C_SOURCE_COMPILES("#include <sys/types.h>
1877 #include <sys/acl.h>
1878 int main(void) { return ACL_TYPE_EXTENDED; }" HAVE_DECL_ACL_TYPE_EXTENDED)
1879       CHECK_C_SOURCE_COMPILES("#include <sys/types.h>
1880 #include <sys/acl.h>
1881 int main(void) { return ACL_SYNCHRONIZE; }" HAVE_DECL_ACL_SYNCHRONIZE)
1882       CHECK_SYMBOL_EXISTS(ACL_TYPE_NFS4 "sys/acl.h" HAVE_DECL_ACL_TYPE_NFS4)
1883       CHECK_SYMBOL_EXISTS(ACL_USER "sys/acl.h" HAVE_DECL_ACL_USER)
1884
1885       IF(HAVE_POSIX_ACL_FUNCS AND
1886          HAVE_ACL_GET_FD_NP AND
1887          HAVE_ACL_GET_PERM_NP AND
1888          NOT HAVE_ACL_GET_PERM AND
1889          HAVE_ACL_SET_FD_NP)
1890         IF(HAVE_DECL_ACL_USER)
1891           SET(ARCHIVE_ACL_FREEBSD TRUE)
1892           IF(HAVE_DECL_ACL_TYPE_NFS4 AND
1893              HAVE_ACL_ADD_FLAG_NP AND
1894              HAVE_ACL_CLEAR_FLAGS_NP AND
1895              HAVE_ACL_GET_BRAND_NP AND
1896              HAVE_ACL_GET_ENTRY_TYPE_NP AND
1897              HAVE_ACL_GET_FLAGSET_NP AND
1898              HAVE_ACL_SET_ENTRY_TYPE_NP)
1899             SET(ARCHIVE_ACL_FREEBSD_NFS4 TRUE)
1900           ENDIF()
1901         ELSEIF(HAVE_DECL_ACL_TYPE_EXTENDED AND
1902                HAVE_MEMBERSHIP_H AND
1903                HAVE_ACL_ADD_FLAG_NP AND
1904                HAVE_ACL_CLEAR_FLAGS_NP AND
1905                HAVE_ACL_GET_FLAGSET_NP AND
1906                HAVE_ACL_GET_LINK_NP AND
1907                HAVE_ACL_SET_LINK_NP AND
1908                HAVE_MBR_UID_TO_UUID AND
1909                HAVE_MBR_GID_TO_UUID AND
1910                HAVE_MBR_UUID_TO_ID)
1911           SET(ARCHIVE_ACL_DARWIN TRUE)
1912         ENDIF()
1913       ENDIF()
1914     ENDIF()
1915   ENDIF(HAVE_ACL_T AND HAVE_ACL_ENTRY_T AND HAVE_ACL_PERMSET_T AND
1916         HAVE_ACL_TAG_T)
1917
1918   # Richacl
1919   CHECK_LIBRARY_EXISTS(richacl "richacl_get_file" "" HAVE_LIBRICHACL)
1920   IF(HAVE_LIBRICHACL)
1921     SET(CMAKE_REQUIRED_LIBRARIES "richacl")
1922     FIND_LIBRARY(RICHACL_LIBRARY NAMES richacl)
1923     LIST(APPEND ADDITIONAL_LIBS ${RICHACL_LIBRARY})
1924   ENDIF(HAVE_LIBRICHACL)
1925
1926   CHECK_STRUCT_HAS_MEMBER("struct richace" e_type "sys/richacl.h"
1927     HAVE_STRUCT_RICHACE)
1928   CHECK_STRUCT_HAS_MEMBER("struct richacl" a_flags "sys/richacl.h"
1929     HAVE_STRUCT_RICHACL)
1930
1931   IF(HAVE_LIBRICHACL AND HAVE_STRUCT_RICHACL AND HAVE_STRUCT_RICHACE)
1932     CHECK_FUNCTION_EXISTS_GLIBC(richacl_alloc HAVE_RICHACL_ALLOC)
1933     CHECK_FUNCTION_EXISTS_GLIBC(richacl_equiv_mode HAVE_RICHACL_EQUIV_MODE)
1934     CHECK_FUNCTION_EXISTS_GLIBC(richacl_free HAVE_RICHACL_FREE)
1935     CHECK_FUNCTION_EXISTS_GLIBC(richacl_get_fd HAVE_RICHACL_GET_FD)
1936     CHECK_FUNCTION_EXISTS_GLIBC(richacl_get_file HAVE_RICHACL_GET_FILE)
1937     CHECK_FUNCTION_EXISTS_GLIBC(richacl_set_fd HAVE_RICHACL_SET_FD)
1938     CHECK_FUNCTION_EXISTS_GLIBC(richacl_set_file HAVE_RICHACL_SET_FILE)
1939     IF(HAVE_RICHACL_ALLOC AND
1940        HAVE_RICHACL_EQUIV_MODE AND
1941        HAVE_RICHACL_FREE AND
1942        HAVE_RICHACL_GET_FD AND
1943        HAVE_RICHACL_GET_FILE AND
1944        HAVE_RICHACL_SET_FD AND
1945        HAVE_RICHACL_SET_FILE)
1946       SET(ARCHIVE_ACL_LIBRICHACL TRUE)
1947     ENDIF()
1948   ENDIF(HAVE_LIBRICHACL AND HAVE_STRUCT_RICHACL AND HAVE_STRUCT_RICHACE)
1949
1950   IF(ARCHIVE_ACL_DARWIN)
1951     MESSAGE(STATUS "ACL support: Darwin (limited NFSv4)")
1952   ELSEIF(ARCHIVE_ACL_FREEBSD_NFS4)
1953     MESSAGE(STATUS "ACL support: FreeBSD (POSIX.1e and NFSv4)")
1954   ELSEIF(ARCHIVE_ACL_FREEBSD)
1955     MESSAGE(STATUS "ACL support: FreeBSD (POSIX.1e)")
1956   ELSEIF(ARCHIVE_ACL_LIBACL OR ARCHIVE_ACL_LIBRICHACL)
1957     IF(ARCHIVE_ACL_LIBACL AND ARCHIVE_ACL_LIBRICHACL)
1958       MESSAGE(STATUS "ACL support: libacl (POSIX.1e) + librichacl (NFSv4)")
1959     ELSEIF(ARCHIVE_ACL_LIBRICHACL)
1960       MESSAGE(STATUS "ACL support: librichacl (NFSv4)")
1961     ELSE()
1962       MESSAGE(STATUS "ACL support: libacl (POSIX.1e)")
1963     ENDIF()
1964   ELSEIF(ARCHIVE_ACL_SUNOS_NFS4)
1965     MESSAGE(STATUS "ACL support: Solaris (POSIX.1e and NFSv4)")
1966   ELSEIF(ARCHIVE_ACL_SUNOS)
1967     MESSAGE(STATUS "ACL support: Solaris (POSIX.1e)")
1968   ELSE()
1969     MESSAGE(STATUS "ACL support: none")
1970   ENDIF()
1971
1972 ELSE(ENABLE_ACL)
1973   # If someone runs cmake, then disables ACL support, we need
1974   # to forcibly override the cached values for these.
1975   SET(ARCHIVE_ACL_DARWIN FALSE)
1976   SET(ARCHIVE_ACL_FREEBSD FALSE)
1977   SET(ARCHIVE_ACL_FREEBSD_NFS4 FALSE)
1978   SET(ARCHIVE_ACL_LIBACL FALSE)
1979   SET(ARCHIVE_ACL_SUNOS FALSE)
1980   SET(ARCHIVE_ACL_SUNOS_NFS4 FALSE)
1981 ENDIF(ENABLE_ACL)
1982
1983 #
1984 # Check MD5/RMD160/SHA support
1985 # NOTE: Crypto checks must be run last before generating config.h
1986 #
1987 CHECK_CRYPTO("MD5;RMD160;SHA1;SHA256;SHA384;SHA512" LIBC)
1988 CHECK_CRYPTO("SHA256;SHA384;SHA512" LIBC2)
1989 CHECK_CRYPTO("SHA256;SHA384;SHA512" LIBC3)
1990 CHECK_CRYPTO("MD5;SHA1;SHA256;SHA384;SHA512" LIBSYSTEM)
1991 CHECK_CRYPTO("MD5;RMD160;SHA1;SHA256;SHA384;SHA512" MBEDTLS)
1992 CHECK_CRYPTO("MD5;RMD160;SHA1;SHA256;SHA384;SHA512" NETTLE)
1993 CHECK_CRYPTO("MD5;RMD160;SHA1;SHA256;SHA384;SHA512" OPENSSL)
1994
1995 # Libmd has to be probed after OpenSSL.
1996 CHECK_CRYPTO("MD5;RMD160;SHA1;SHA256;SHA512" LIBMD)
1997
1998 CHECK_CRYPTO_WIN("MD5;SHA1;SHA256;SHA384;SHA512")
1999
2000 # Generate "config.h" from "build/cmake/config.h.in"
2001 CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/build/cmake/config.h.in
2002         ${CMAKE_CURRENT_BINARY_DIR}/config.h)
2003 INCLUDE_DIRECTORIES(BEFORE ${CMAKE_CURRENT_BINARY_DIR})
2004 ADD_DEFINITIONS(-DHAVE_CONFIG_H)
2005
2006 # Handle generation of the libarchive.pc file for pkg-config
2007 INCLUDE(CreatePkgConfigFile)
2008
2009 #
2010 # Register installation of PDF documents.
2011 #
2012 IF(WIN32 AND NOT CYGWIN)
2013   #
2014   # On Windows platform, It's better that we install PDF documents
2015   # on one's computer.
2016   # These PDF documents are available in the release package.
2017   #
2018   IF(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/doc/pdf)
2019     INSTALL(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/doc/pdf
2020             DESTINATION share/man
2021             FILES_MATCHING PATTERN "*.pdf"
2022     )
2023   ENDIF(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/doc/pdf)
2024 ENDIF(WIN32 AND NOT CYGWIN)
2025 #
2026 #
2027 #
2028 INCLUDE_DIRECTORIES(BEFORE ${CMAKE_CURRENT_SOURCE_DIR}/libarchive)
2029 #
2030 IF(MSVC)
2031   ADD_DEFINITIONS(-D_CRT_SECURE_NO_DEPRECATE)
2032 ENDIF(MSVC)
2033
2034 IF(ENABLE_TEST)
2035   ADD_CUSTOM_TARGET(run_all_tests)
2036 ENDIF(ENABLE_TEST)
2037
2038 add_subdirectory(libarchive)
2039 add_subdirectory(cat)
2040 add_subdirectory(tar)
2041 add_subdirectory(cpio)