CMakeLists.txt

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