xref: /freebsd/contrib/libucl/configure.ac (revision eb69d1f144a6fcc765d1b9d44a5ae8082353e70b)
1m4_define([maj_ver], [0])
2m4_define([med_ver], [8])
3m4_define([min_ver], [0])
4m4_define([so_version], [6:0:0])
5m4_define([ucl_version], [maj_ver.med_ver.min_ver])
6
7AC_INIT([libucl],[ucl_version],[https://github.com/vstakhov/libucl],[libucl])
8AC_CONFIG_SRCDIR([configure.ac])
9AM_INIT_AUTOMAKE([1.11 foreign -Wall -Wportability no-dist-gzip dist-xz])
10m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
11
12UCL_VERSION=ucl_version
13SO_VERSION=so_version
14
15AC_SUBST(UCL_VERSION)
16AC_SUBST(SO_VERSION)
17
18AC_PROG_CC_C99
19AM_PROG_CC_C_O
20AM_PROG_AR
21LT_INIT
22AC_CONFIG_MACRO_DIR([m4])
23AC_CONFIG_HEADERS([config.h])
24
25AC_C_CONST
26AC_TYPE_SIZE_T
27
28AC_CHECK_HEADERS_ONCE([fcntl.h unistd.h])
29AC_TYPE_OFF_T
30AC_FUNC_MMAP
31AC_CHECK_HEADERS_ONCE([fcntl.h])
32AC_CHECK_HEADERS_ONCE([sys/types.h])
33AC_CHECK_HEADERS_ONCE([sys/stat.h])
34AC_CHECK_HEADERS_ONCE([sys/param.h])
35AC_CHECK_HEADERS_ONCE([sys/mman.h])
36AC_CHECK_HEADERS_ONCE([stdlib.h])
37AC_CHECK_HEADERS_ONCE([stddef.h])
38AC_CHECK_HEADERS_ONCE([stdarg.h])
39AC_CHECK_HEADERS_ONCE([stdbool.h])
40AC_CHECK_HEADERS_ONCE([stdint.h])
41AC_CHECK_HEADERS_ONCE([string.h])
42AC_CHECK_HEADERS_ONCE([strings.h])
43AC_CHECK_HEADERS_ONCE([unistd.h])
44AC_CHECK_HEADERS_ONCE([ctype.h])
45AC_CHECK_HEADERS_ONCE([errno.h])
46AC_CHECK_HEADERS_ONCE([limits.h])
47AC_CHECK_HEADERS_ONCE([libgen.h])
48AC_CHECK_HEADERS_ONCE([stdio.h])
49AC_CHECK_HEADERS_ONCE([float.h])
50AC_CHECK_HEADERS_ONCE([math.h])
51AC_CHECK_HEADERS_ONCE([endian.h sys/endian.h machine/endian.h])
52
53dnl Example of default-disabled feature
54AC_ARG_ENABLE([urls], AS_HELP_STRING([--enable-urls],
55	[Enable URLs fetch (requires libfetch or libcurl) @<:@default=no@:>@]), [],
56	[enable_urls=no])
57AC_ARG_ENABLE([regex], AS_HELP_STRING([--enable-regex],
58	[Enable regex checking for schema @<:@default=yes@:>@]), [],
59	[enable_regex=yes])
60AC_ARG_ENABLE([signatures], AS_HELP_STRING([--enable-signatures],
61	[Enable signatures check (requires openssl) @<:@default=no@:>@]), [],
62	[enable_signatures=no])
63AC_ARG_ENABLE([lua], AS_HELP_STRING([--enable-lua],
64	[Enable lua API build (requires lua libraries and headers) @<:@default=no@:>@]), [],
65	[enable_lua=no])
66AC_ARG_ENABLE([utils],
67	AS_HELP_STRING([--enable-utils], [Build and install utils @<:@default=no@:>@]),
68	[case "${enableval}" in
69  		yes) utils=true ;;
70  		no)  utils=false ;;
71  		*) AC_MSG_ERROR([bad value ${enableval} for --enable-utils]) ;;
72	esac],[utils=false])
73AM_CONDITIONAL([UTILS], [test x$utils = xtrue])
74
75AS_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])])
81])
82AC_SUBST(LIBCRYPTO_LIB)
83AC_PATH_PROG(PANDOC, pandoc, [/non/existent])
84
85AC_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])])
89])
90AC_SEARCH_LIBS([remainder], [m], [], [AC_MSG_ERROR([unable to find remainder() function])])
91
92AS_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="${LIBS_EXTRA} -lregex"
99				]
100			)],
101			[AC_MSG_ERROR([unable to find the regexec() function])])],
102			[AC_MSG_ERROR([unable to find the regex.h header])
103		],
104		[#include <sys/types.h>])
105])
106AC_SUBST(LIBREGEX_LIB)
107
108AS_IF([test "x$enable_lua" = "xyes"], [
109	AX_PROG_LUA([5.1], [], [
110		AX_LUA_HEADERS([
111			AX_LUA_LIBS([
112				AC_DEFINE(HAVE_LUA, 1, [Define to 1 for lua support.])
113				with_lua="yes"
114			], [AC_MSG_ERROR([unable to find the lua libraries])
115			])
116		], [AC_MSG_ERROR([unable to find the lua header files])
117		])
118	], [AC_MSG_ERROR([unable to find the lua interpreter])])
119], [with_lua="no"])
120
121AM_CONDITIONAL([LUA_SUB], [test "$with_lua" = "yes"])
122
123AS_IF([test "x$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"
129			have_libfetch="yes"
130			LIBS_EXTRA="${LIBS_EXTRA} -lfetch"
131		])
132	], [],[
133	#include <stdio.h>
134	#ifdef HAVE_SYS_PARAM_H
135	#include <sys/param.h>
136	#endif
137	])
138	AC_SUBST(LIBFETCH_LIBS)
139
140	AS_IF([ test "x$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])])
146	])
147	AC_SUBST(CURL_FOUND)
148	AC_SUBST(CURL_LIBS)
149	AC_SUBST(CURL_CFLAGS)
150])
151
152AC_SUBST(LIBS_EXTRA)
153
154AC_MSG_CHECKING(for GCC atomic builtins)
155AC_LINK_IFELSE([
156	AC_LANG_SOURCE([[
157		int main() {
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);
163			return 0;
164		}
165	]])
166],
167[
168	AC_MSG_RESULT([yes])
169	AC_DEFINE([HAVE_ATOMIC_BUILTINS], [1], [Has gcc/MSVC atomic intrinsics])
170],
171[
172	AC_MSG_RESULT([no])
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])
175])
176
177AX_CODE_COVERAGE
178
179AC_CONFIG_FILES(Makefile \
180	src/Makefile \
181	lua/Makefile
182	tests/Makefile \
183	utils/Makefile \
184	doc/Makefile \
185	lua/libucl.rockspec \
186	libucl.pc)
187AC_CONFIG_FILES([stamp-h], [echo timestamp > stamp-h])
188AC_OUTPUT
189