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m4_define([maj_ver], [0])
m4_define([med_ver], [4])
m4_define([min_ver], [1])
m4_define([so_version], [1:0:0])
m4_define([ucl_version], [maj_ver.med_ver.min_ver])
AC_INIT([libucl],[ucl_version],[https://github.com/vstakhov/libucl],[libucl])
AC_CONFIG_SRCDIR([configure.ac])
AM_INIT_AUTOMAKE([1.11 foreign silent-rules -Wall -Wportability no-dist-gzip dist-xz])
UCL_VERSION=ucl_version
SO_VERSION=so_version
AC_SUBST(UCL_VERSION)
AC_SUBST(SO_VERSION)
AC_PROG_CC_C99
AM_PROG_CC_C_O
AM_PROG_AR
LT_INIT
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADERS([config.h])
AC_C_CONST
AC_TYPE_SIZE_T
AC_CHECK_HEADERS_ONCE([fcntl.h unistd.h])
AC_TYPE_OFF_T
AC_FUNC_MMAP
AC_CHECK_HEADERS_ONCE([fcntl.h])
AC_CHECK_HEADERS_ONCE([sys/types.h])
AC_CHECK_HEADERS_ONCE([sys/stat.h])
AC_CHECK_HEADERS_ONCE([sys/param.h])
AC_CHECK_HEADERS_ONCE([sys/mman.h])
AC_CHECK_HEADERS_ONCE([stdlib.h])
AC_CHECK_HEADERS_ONCE([stddef.h])
AC_CHECK_HEADERS_ONCE([stdarg.h])
AC_CHECK_HEADERS_ONCE([stdbool.h])
AC_CHECK_HEADERS_ONCE([stdint.h])
AC_CHECK_HEADERS_ONCE([string.h])
AC_CHECK_HEADERS_ONCE([unistd.h])
AC_CHECK_HEADERS_ONCE([ctype.h])
AC_CHECK_HEADERS_ONCE([errno.h])
AC_CHECK_HEADERS_ONCE([limits.h])
AC_CHECK_HEADERS_ONCE([libgen.h])
AC_CHECK_HEADERS_ONCE([stdio.h])
AC_CHECK_HEADERS_ONCE([float.h])
AC_CHECK_HEADERS_ONCE([math.h])
dnl Example of default-disabled feature
AC_ARG_ENABLE([urls], AS_HELP_STRING([--enable-urls],
[Enable URLs fetch (requires libfetch or libcurl) @<:@default=no@:>@]), [],
[enable_urls=no])
AC_ARG_ENABLE([regex], AS_HELP_STRING([--enable-regex],
[Enable regex checking for schema @<:@default=yes@:>@]), [],
[enable_regex=yes])
AC_ARG_ENABLE([signatures], AS_HELP_STRING([--enable-signatures],
[Enable signatures check (requires openssl) @<:@default=no@:>@]), [],
[enable_signatures=no])
AC_ARG_ENABLE([utils],
AS_HELP_STRING([--enable-utils], [Build and install utils @<:@default=no@:>@]),
[case "${enableval}" in
yes) utils=true ;;
no) utils=false ;;
*) AC_MSG_ERROR([bad value ${enableval} for --enable-utils]) ;;
esac],[utils=false])
AM_CONDITIONAL([UTILS], [test x$utils = xtrue])
AS_IF([test "x$enable_signatures" = "xyes"], [
AC_SEARCH_LIBS([EVP_MD_CTX_create], [crypto], [
AC_DEFINE(HAVE_OPENSSL, 1, [Define to 1 if you have the 'crypto' library (-lcrypto).])
LIBCRYPTO_LIB="-lcrypto"
LIBS_EXTRA="${LIBS_EXTRA} -lcrypto"
], [AC_MSG_ERROR([unable to find the EVP_MD_CTX_create() function])])
])
AC_SUBST(LIBCRYPTO_LIB)
AC_PATH_PROG(PANDOC, pandoc, [/non/existent])
AC_SEARCH_LIBS([clock_gettime], [rt], [], [
AC_CHECK_HEADER([mach/mach_time.h], [
AC_DEFINE(HAVE_MACH_MACH_TIME_H, 1, [Define to 1 on Darwin])
], [AC_MSG_ERROR([unable to find clock_gettime or mach_absolute_time])])
])
AC_SEARCH_LIBS([remainder], [m], [], [AC_MSG_ERROR([unable to find remainder() function])])
AS_IF([test "x$enable_regex" = "xyes"], [
AC_CHECK_HEADER([regex.h], [
AC_DEFINE(HAVE_REGEX_H, 1, [Define to 1 if you have the <regex.h> header file.])
AC_SEARCH_LIBS([regexec], [regex], [
AS_IF([test "x$ac_cv_search_regexec" = "x-lregex"], [
LIBREGEX_LIB="-lregex"
LIBS_EXTRA="${LIBS_EXTRA} -lregex"
]
)],
[AC_MSG_ERROR([unable to find the regexec() function])])],
[AC_MSG_ERROR([unable to find the regex.h header])
],
[#include <sys/types.h>])
])
AC_SUBST(LIBREGEX_LIB)
AS_IF([test "x$enable_urls" = "xyes"], [
AC_CHECK_HEADER([fetch.h], [
AC_DEFINE(HAVE_FETCH_H, 1, [Define to 1 if you have the <fetch.h> header file.])
AC_CHECK_LIB(fetch, fetchXGet, [
AC_DEFINE(HAVE_LIBFETCH, 1, [Define to 1 if you have the 'fetch' library (-lfetch).])
LIBFETCH_LIBS="-lfetch"
have_libfetch="yes"
LIBS_EXTRA="${LIBS_EXTRA} -lfetch"
])
], [],[
#include <stdio.h>
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
])
AC_SUBST(LIBFETCH_LIBS)
AS_IF([ test "x$have_libfetch" != "xyes"], [
dnl Fallback to libcurl
PKG_CHECK_MODULES([CURL], [libcurl], [
AC_DEFINE(CURL_FOUND, 1, [Use libcurl])
LIBS_EXTRA="${LIBS_EXTRA} -lcurl"],
[AC_MSG_ERROR([unable to find neither libfetch nor libcurl])])
])
AC_SUBST(CURL_FOUND)
AC_SUBST(CURL_LIBS)
AC_SUBST(CURL_CFLAGS)
])
AC_SUBST(LIBS_EXTRA)
AC_MSG_CHECKING(for GCC atomic builtins)
AC_LINK_IFELSE([
AC_LANG_SOURCE([[
int main() {
volatile unsigned long val = 1;
__sync_synchronize();
__sync_val_compare_and_swap(&val, 1, 0);
__sync_add_and_fetch(&val, 1);
__sync_sub_and_fetch(&val, 1);
return 0;
}
]])
],
[
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_ATOMIC_BUILTINS], [1], [Has gcc/MSVC atomic intrinsics])
],
[
AC_MSG_RESULT([no])
AC_DEFINE([HAVE_ATOMIC_BUILTINS], [0], [Has gcc/MSVC atomic intrinsics])
AC_MSG_WARN([Libucl references could be thread-unsafe because atomic builtins are missing])
])
AC_CONFIG_FILES(Makefile \
src/Makefile \
tests/Makefile \
utils/Makefile \
doc/Makefile \
libucl.pc)
AC_CONFIG_FILES([stamp-h], [echo timestamp > stamp-h])
AC_OUTPUT
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