1 m4_define([maj_ver], [0])
2 m4_define([med_ver], [8])
3 m4_define([min_ver], [0])
4 m4_define([so_version], [6:0:0])
5 m4_define([ucl_version], [maj_ver.med_ver.min_ver])
7 AC_INIT([libucl],[ucl_version],[https://github.com/vstakhov/libucl],[libucl])
8 AC_CONFIG_SRCDIR([configure.ac])
9 AM_INIT_AUTOMAKE([1.11 foreign -Wall -Wportability no-dist-gzip dist-xz])
10 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
12 UCL_VERSION=ucl_version
22 AC_CONFIG_MACRO_DIR([m4])
23 AC_CONFIG_HEADERS([config.h])
28 AC_CHECK_HEADERS_ONCE([fcntl.h unistd.h])
31 AC_CHECK_HEADERS_ONCE([fcntl.h])
32 AC_CHECK_HEADERS_ONCE([sys/types.h])
33 AC_CHECK_HEADERS_ONCE([sys/stat.h])
34 AC_CHECK_HEADERS_ONCE([sys/param.h])
35 AC_CHECK_HEADERS_ONCE([sys/mman.h])
36 AC_CHECK_HEADERS_ONCE([stdlib.h])
37 AC_CHECK_HEADERS_ONCE([stddef.h])
38 AC_CHECK_HEADERS_ONCE([stdarg.h])
39 AC_CHECK_HEADERS_ONCE([stdbool.h])
40 AC_CHECK_HEADERS_ONCE([stdint.h])
41 AC_CHECK_HEADERS_ONCE([string.h])
42 AC_CHECK_HEADERS_ONCE([strings.h])
43 AC_CHECK_HEADERS_ONCE([unistd.h])
44 AC_CHECK_HEADERS_ONCE([ctype.h])
45 AC_CHECK_HEADERS_ONCE([errno.h])
46 AC_CHECK_HEADERS_ONCE([limits.h])
47 AC_CHECK_HEADERS_ONCE([libgen.h])
48 AC_CHECK_HEADERS_ONCE([stdio.h])
49 AC_CHECK_HEADERS_ONCE([float.h])
50 AC_CHECK_HEADERS_ONCE([math.h])
51 AC_CHECK_HEADERS_ONCE([endian.h sys/endian.h machine/endian.h])
53 dnl Example of default-disabled feature
54 AC_ARG_ENABLE([urls], AS_HELP_STRING([--enable-urls],
55 [Enable URLs fetch (requires libfetch or libcurl) @<:@default=no@:>@]), [],
57 AC_ARG_ENABLE([regex], AS_HELP_STRING([--enable-regex],
58 [Enable regex checking for schema @<:@default=yes@:>@]), [],
60 AC_ARG_ENABLE([signatures], AS_HELP_STRING([--enable-signatures],
61 [Enable signatures check (requires openssl) @<:@default=no@:>@]), [],
62 [enable_signatures=no])
63 AC_ARG_ENABLE([lua], AS_HELP_STRING([--enable-lua],
64 [Enable lua API build (requires lua libraries and headers) @<:@default=no@:>@]), [],
66 AC_ARG_ENABLE([utils],
67 AS_HELP_STRING([--enable-utils], [Build and install utils @<:@default=no@:>@]),
68 [case "${enableval}" in
71 *) AC_MSG_ERROR([bad value ${enableval} for --enable-utils]) ;;
73 AM_CONDITIONAL([UTILS], [test x$utils = xtrue])
75 AS_IF([test "x$enable_signatures" = "xyes"], [
76 AC_SEARCH_LIBS([EVP_MD_CTX_create], [crypto], [
77 AC_DEFINE(HAVE_OPENSSL, 1, [Define to 1 if you have the 'crypto' library (-lcrypto).])
78 LIBCRYPTO_LIB="-lcrypto"
79 LIBS_EXTRA="${LIBS_EXTRA} -lcrypto"
80 ], [AC_MSG_ERROR([unable to find the EVP_MD_CTX_create() function])])
82 AC_SUBST(LIBCRYPTO_LIB)
83 AC_PATH_PROG(PANDOC, pandoc, [/non/existent])
85 AC_SEARCH_LIBS([clock_gettime], [rt], [], [
86 AC_CHECK_HEADER([mach/mach_time.h], [
87 AC_DEFINE(HAVE_MACH_MACH_TIME_H, 1, [Define to 1 on Darwin])
88 ], [AC_MSG_ERROR([unable to find clock_gettime or mach_absolute_time])])
90 AC_SEARCH_LIBS([remainder], [m], [], [AC_MSG_ERROR([unable to find remainder() function])])
92 AS_IF([test "x$enable_regex" = "xyes"], [
93 AC_CHECK_HEADER([regex.h], [
94 AC_DEFINE(HAVE_REGEX_H, 1, [Define to 1 if you have the <regex.h> header file.])
95 AC_SEARCH_LIBS([regexec], [regex], [
96 AS_IF([test "x$ac_cv_search_regexec" = "x-lregex"], [
97 LIBREGEX_LIB="-lregex"
98 LIBS_EXTRA="${LIBS_EXTRA} -lregex"
101 [AC_MSG_ERROR([unable to find the regexec() function])])],
102 [AC_MSG_ERROR([unable to find the regex.h header])
104 [#include <sys/types.h>])
106 AC_SUBST(LIBREGEX_LIB)
108 AS_IF([test "x$enable_lua" = "xyes"], [
109 AX_PROG_LUA([5.1], [], [
112 AC_DEFINE(HAVE_LUA, 1, [Define to 1 for lua support.])
114 ], [AC_MSG_ERROR([unable to find the lua libraries])
116 ], [AC_MSG_ERROR([unable to find the lua header files])
118 ], [AC_MSG_ERROR([unable to find the lua interpreter])])
121 AM_CONDITIONAL([LUA_SUB], [test "$with_lua" = "yes"])
123 AS_IF([test "x$enable_urls" = "xyes"], [
124 AC_CHECK_HEADER([fetch.h], [
125 AC_DEFINE(HAVE_FETCH_H, 1, [Define to 1 if you have the <fetch.h> header file.])
126 AC_CHECK_LIB(fetch, fetchXGet, [
127 AC_DEFINE(HAVE_LIBFETCH, 1, [Define to 1 if you have the 'fetch' library (-lfetch).])
128 LIBFETCH_LIBS="-lfetch"
130 LIBS_EXTRA="${LIBS_EXTRA} -lfetch"
134 #ifdef HAVE_SYS_PARAM_H
135 #include <sys/param.h>
138 AC_SUBST(LIBFETCH_LIBS)
140 AS_IF([ test "x$have_libfetch" != "xyes"], [
141 dnl Fallback to libcurl
142 PKG_CHECK_MODULES([CURL], [libcurl], [
143 AC_DEFINE(CURL_FOUND, 1, [Use libcurl])
144 LIBS_EXTRA="${LIBS_EXTRA} -lcurl"],
145 [AC_MSG_ERROR([unable to find neither libfetch nor libcurl])])
149 AC_SUBST(CURL_CFLAGS)
154 AC_MSG_CHECKING(for GCC atomic builtins)
158 volatile unsigned long val = 1;
159 __sync_synchronize();
160 __sync_val_compare_and_swap(&val, 1, 0);
161 __sync_add_and_fetch(&val, 1);
162 __sync_sub_and_fetch(&val, 1);
169 AC_DEFINE([HAVE_ATOMIC_BUILTINS], [1], [Has gcc/MSVC atomic intrinsics])
173 AC_DEFINE([HAVE_ATOMIC_BUILTINS], [0], [Has gcc/MSVC atomic intrinsics])
174 AC_MSG_WARN([Libucl references could be thread-unsafe because atomic builtins are missing])
179 AC_CONFIG_FILES(Makefile \
185 lua/libucl.rockspec \
187 AC_CONFIG_FILES([stamp-h], [echo timestamp > stamp-h])