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dnl Copyright (C) 2012 Vincent Torri <vincent dot torri at gmail dot com>
dnl This code is public domain and can be freely used or copied.
dnl Macros that check functions availability for the EFL:
dnl dirfd
dnl dladdr
dnl dlopen
dnl fnmatch
dnl gettimeofday
dnl iconv
dnl setxattr (an al.)
dnl shm_open
dnl _EFL_CHECK_FUNC_DIRFD is for internal use
dnl _EFL_CHECK_FUNC_DIRFD(EFL, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
AC_DEFUN([_EFL_CHECK_FUNC_DIRFD],
[
AC_LINK_IFELSE(
[
AC_LANG_PROGRAM(
[[
#ifdef HAVE_DIRENT_H
# include <dirent.h>
#endif
]],
[[
int main(void)
{
DIR *dirp;
return dirfd(dirp);
}
]])
],
[_efl_have_fct="yes"],
[_efl_have_fct="no"])
AS_IF([test "x${_efl_have_fct}" = "xyes"], [$2], [$3])
])
dnl _EFL_CHECK_FUNC_DLADDR_PRIV is for internal use
dnl _EFL_CHECK_FUNC_DLADDR_PRIV(EFL, LIB, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
AC_DEFUN([_EFL_CHECK_FUNC_DLADDR_PRIV],
[
m4_pushdef([UPEFL], m4_translit([$1], [-a-z], [_A-Z]))dnl
m4_pushdef([DOWNEFL], m4_translit([$1], [-A-Z], [_a-z]))dnl
LIBS_save="${LIBS}"
LIBS="${LIBS} $2"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif
#include <stdlib>
#include <dlfcn.h>
]],
[[
int res = dladdr(NULL, NULL);
]])],
[
m4_defn([UPEFL])[]_LIBS="${m4_defn([UPEFL])[]_LIBS} $2"
requirements_libs_[]m4_defn([DOWNEFL])="${requirements_libs_[]m4_defn([DOWNEFL])} $2"
_efl_have_fct="yes"
],
[_efl_have_fct="no"])
LIBS="${LIBS_save}"
AS_IF([test "x${_efl_have_fct}" = "xyes"], [$3], [$4])
m4_popdef([DOWNEFL])
m4_popdef([UPEFL])
])
dnl _EFL_CHECK_FUNC_DLADDR is for internal use
dnl _EFL_CHECK_FUNC_DLADDR(EFL, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
AC_DEFUN([_EFL_CHECK_FUNC_DLADDR],
[
m4_pushdef([UPEFL], m4_translit([$1], [-a-z], [_A-Z]))dnl
m4_pushdef([DOWNEFL], m4_translit([$1], [-A-Z], [_a-z]))dnl
case "$host_os" in
mingw*)
_efl_have_fct="yes"
requirements_libs_[]m4_defn([DOWNEFL])="${requirements_libs_[]m4_defn([DOWNEFL])} -ldl"
;;
*)
_efl_have_fct="no"
dnl Check is dladdr is in libc
_EFL_CHECK_FUNC_DLADDR_PRIV([$1], [], [_efl_have_fct="yes"], [_efl_have_fct="no"])
dnl Check is dlopen is in libdl
if test "x${_efl_have_fct}" = "xno" ; then
_EFL_CHECK_FUNC_DLADDR_PRIV([$1], [-ldl], [_efl_have_fct="yes"], [_efl_have_fct="no"])
fi
;;
esac
AS_IF([test "x${_efl_have_fct}" = "xyes"], [$2], [$3])
m4_popdef([DOWNEFL])
m4_popdef([UPEFL])
])
dnl _EFL_CHECK_FUNC_DLOPEN_PRIV is for internal use
dnl _EFL_CHECK_FUNC_DLOPEN_PRIV(EFL, LIB, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
AC_DEFUN([_EFL_CHECK_FUNC_DLOPEN_PRIV],
[
m4_pushdef([UPEFL], m4_translit([$1], [-a-z], [_A-Z]))dnl
m4_pushdef([DOWNEFL], m4_translit([$1], [-A-Z], [_a-z]))dnl
LIBS_save="${LIBS}"
LIBS="${LIBS} $2"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <dlfcn.h>
]],
[[
void *h = dlopen(0, 0);
]])],
[
m4_defn([UPEFL])[]_LIBS="${m4_defn([UPEFL])[]_LIBS} $2"
requirements_libs_[]m4_defn([DOWNEFL])="${requirements_libs_[]m4_defn([DOWNEFL])} $2"
_efl_have_fct="yes"
],
[_efl_have_fct="no"])
LIBS="${LIBS_save}"
AS_IF([test "x${_efl_have_fct}" = "xyes"], [$3], [$4])
m4_popdef([DOWNEFL])
m4_popdef([UPEFL])
])
dnl _EFL_CHECK_FUNC_DLOPEN is for internal use
dnl _EFL_CHECK_FUNC_DLOPEN(EFL, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
AC_DEFUN([_EFL_CHECK_FUNC_DLOPEN],
[
m4_pushdef([UPEFL], m4_translit([$1], [-a-z], [_A-Z]))dnl
m4_pushdef([DOWNEFL], m4_translit([$1], [-A-Z], [_a-z]))dnl
case "$host_os" in
mingw*)
_efl_have_fct="yes"
requirements_libs_[]m4_defn([DOWNEFL])="${requirements_libs_[]m4_defn([DOWNEFL])} -ldl"
;;
*)
_efl_have_fct="no"
dnl Check is dlopen is in libc
_EFL_CHECK_FUNC_DLOPEN_PRIV([$1], [], [_efl_have_fct="yes"], [_efl_have_fct="no"])
dnl Check is dlopen is in libdl
if test "x${_efl_have_fct}" = "xno" ; then
_EFL_CHECK_FUNC_DLOPEN_PRIV([$1], [-ldl], [_efl_have_fct="yes"], [_efl_have_fct="no"])
fi
;;
esac
AS_IF([test "x${_efl_have_fct}" = "xyes"], [$2], [$3])
m4_popdef([DOWNEFL])
m4_popdef([UPEFL])
])
dnl _EFL_CHECK_FUNC_DLSYM_PRIV is for internal use
dnl _EFL_CHECK_FUNC_DLSYM_PRIV(EFL, LIB, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
AC_DEFUN([_EFL_CHECK_FUNC_DLSYM_PRIV],
[
m4_pushdef([UPEFL], m4_translit([$1], [-a-z], [_A-Z]))dnl
m4_pushdef([DOWNEFL], m4_translit([$1], [-A-Z], [_a-z]))dnl
LIBS_save="${LIBS}"
LIBS="${LIBS} $2"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif
#include <stdlib.h>
#include <dlfcn.h>
]],
[[
void *res = dlsym(NULL, NULL);
]])],
[
m4_defn([UPEFL])[]_LIBS="${m4_defn([UPEFL])[]_LIBS} $2"
requirements_libs_[]m4_defn([DOWNEFL])="${requirements_libs_[]m4_defn([DOWNEFL])} $2"
_efl_have_fct="yes"
],
[_efl_have_fct="no"])
LIBS="${LIBS_save}"
AS_IF([test "x${_efl_have_fct}" = "xyes"], [$3], [$4])
m4_popdef([DOWNEFL])
m4_popdef([UPEFL])
])
dnl _EFL_CHECK_FUNC_DLSYM is for internal use
dnl _EFL_CHECK_FUNC_DLSYM(EFL, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
AC_DEFUN([_EFL_CHECK_FUNC_DLSYM],
[
m4_pushdef([UPEFL], m4_translit([$1], [-a-z], [_A-Z]))dnl
m4_pushdef([DOWNEFL], m4_translit([$1], [-A-Z], [_a-z]))dnl
case "$host_os" in
mingw*)
_efl_have_fct="yes"
requirements_libs_[]m4_defn([DOWNEFL])="${requirements_libs_[]m4_defn([DOWNEFL])} -ldl"
;;
*)
_efl_have_fct="no"
dnl Check is dlsym is in libc
_EFL_CHECK_FUNC_DLSYM_PRIV([$1], [], [_efl_have_fct="yes"], [_efl_have_fct="no"])
dnl Check is dlopen is in libdl
if test "x${_efl_have_fct}" = "xno" ; then
_EFL_CHECK_FUNC_DLSYM_PRIV([$1], [-ldl], [_efl_have_fct="yes"], [_efl_have_fct="no"])
fi
;;
esac
AS_IF([test "x${_efl_have_fct}" = "xyes"], [$2], [$3])
m4_popdef([DOWNEFL])
m4_popdef([UPEFL])
])
dnl _EFL_CHECK_FUNC_FNMATCH_PRIV is for internal use
dnl _EFL_CHECK_FUNC_FNMATCH_PRIV(EFL, LIB, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
AC_DEFUN([_EFL_CHECK_FUNC_FNMATCH_PRIV],
[
m4_pushdef([UPEFL], m4_translit([$1], [-a-z], [_A-Z]))dnl
m4_pushdef([DOWNEFL], m4_translit([$1], [-A-Z], [_a-z]))dnl
LIBS_save="${LIBS}"
LIBS="${LIBS} $2"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <stdlib.h>
#include <fnmatch.h>
]],
[[
int g = fnmatch(NULL, NULL, 0);
]])],
[
m4_defn([UPEFL])[]_LIBS="${m4_defn([UPEFL])[]_LIBS} $2"
requirements_libs_[]m4_defn([DOWNEFL])="${requirements_libs_[]m4_defn([DOWNEFL])} $2"
_efl_have_fct="yes"
],
[_efl_have_fct="no"])
LIBS="${LIBS_save}"
AS_IF([test "x${_efl_have_fct}" = "xyes"], [$3], [$4])
m4_popdef([DOWNEFL])
m4_popdef([UPEFL])
])
dnl _EFL_CHECK_FUNC_FNMATCH is for internal use
dnl _EFL_CHECK_FUNC_FNMATCH(EFL, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
AC_DEFUN([_EFL_CHECK_FUNC_FNMATCH],
[
case "$host_os" in
mingw*)
_efl_have_fct="yes"
;;
*)
dnl Check is fnmatch is in libc
_EFL_CHECK_FUNC_FNMATCH_PRIV([$1], [], [_efl_have_fct="yes"], [_efl_have_fct="no"])
dnl Check is fnmatch is in libfnmatch
if test "x${_efl_have_fct}" = "xno" ; then
_EFL_CHECK_FUNC_FNMATCH_PRIV([$1], [-lfnmatch], [_efl_have_fct="yes"], [_efl_have_fct="no"])
fi
dnl Check is fnmatch is in libiberty
if test "x${_efl_have_fct}" = "xno" ; then
_EFL_CHECK_FUNC_FNMATCH_PRIV([$1], [-liberty], [_efl_have_fct="yes"], [_efl_have_fct="no"])
fi
;;
esac
AS_IF([test "x${_efl_have_fct}" = "xyes"], [$2], [$3])
])
dnl _EFL_CHECK_FUNC_GETTIMEOFDAY is for internal use
dnl _EFL_CHECK_FUNC_GETTIMEOFDAY(EFL, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
AC_DEFUN([_EFL_CHECK_FUNC_GETTIMEOFDAY],
[
case "$host_os" in
mingw*)
_efl_have_fct="yes"
;;
*)
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[
#include <stdlib.h>
#include <sys/time.h>
]],
[[
int res;
res = gettimeofday(NULL, NULL);
]])],
[_efl_have_fct="yes"],
[_efl_have_fct="no"])
if test "x${_efl_have_fct}" = "xno" && test "x${enable_exotic}" = "xyes"; then
SAVE_LIBS="${LIBS}"
SAVE_CFLAGS="${CFLAGS}"
LIBS="${LIBS} ${EXOTIC_LIBS}"
CFLAGS="${CFLAGS} ${EXOTIC_CFLAGS}"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[
#include <Exotic.h>
]],
[[
int res;
res = gettimeofday(NULL, NULL);
]])],
[_efl_have_fct="yes"],
[_efl_have_fct="no"])
LIBS="${SAVE_LIBS}"
CFLAGS="${SAVE_CFLAGS}"
fi
;;
esac
AS_IF([test "x${_efl_have_fct}" = "xyes"], [$2], [$3])
])
dnl _EFL_CHECK_FUNC_ICONV_PRIV is for internal use
dnl _EFL_CHECK_FUNC_ICONV_PRIV(EFL, LIB, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
AC_DEFUN([_EFL_CHECK_FUNC_ICONV_PRIV],
[
m4_pushdef([UPEFL], m4_translit([$1], [-a-z], [_A-Z]))dnl
m4_pushdef([DOWNEFL], m4_translit([$1], [-A-Z], [_a-z]))dnl
LIBS_save="${LIBS}"
LIBS="${LIBS} $2"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <stdlib.h>
#include <iconv.h>
]],
[[
iconv_t ic;
size_t count = iconv(ic, NULL, NULL, NULL, NULL);
]])],
[
m4_defn([UPEFL])[]_LIBS="${m4_defn([UPEFL])[]_LIBS} $2"
requirements_libs_[]m4_defn([DOWNEFL])="${requirements_libs_[]m4_defn([DOWNEFL])} $2"
_efl_have_fct="yes"
],
[_efl_have_fct="no"])
LIBS="${LIBS_save}"
AS_IF([test "x${_efl_have_fct}" = "xyes"], [$3], [$4])
m4_popdef([DOWNEFL])
m4_popdef([UPEFL])
])
dnl _EFL_CHECK_FUNC_ICONV is for internal use
dnl _EFL_CHECK_FUNC_ICONV(EFL, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
AC_DEFUN([_EFL_CHECK_FUNC_ICONV],
[
AC_ARG_WITH([iconv-link],
AC_HELP_STRING([--with-iconv-link=ICONV_LINK], [explicitly specify an iconv link option]),
[
_efl_have_fct="yes"
iconv_libs=${withval}
],
[_efl_have_fct="no"])
AC_MSG_CHECKING([for explicit iconv link options])
if test "x${iconv_libs}" = "x" ; then
AC_MSG_RESULT([no explicit iconv link option])
else
AC_MSG_RESULT([${iconv_libs}])
fi
dnl Check is iconv is in libc
if test "x${_efl_have_fct}" = "xno" ; then
_EFL_CHECK_FUNC_ICONV_PRIV([$1], [], [_efl_have_fct="yes"], [_efl_have_fct="no"])
fi
dnl Check is iconv is in libiconv
if test "x${_efl_have_fct}" = "xno" ; then
_EFL_CHECK_FUNC_ICONV_PRIV([$1], [-liconv], [_efl_have_fct="yes"], [_efl_have_fct="no"])
fi
dnl Check is iconv is in libiconv_plug
if test "x${_efl_have_fct}" = "xno" ; then
_EFL_CHECK_FUNC_ICONV_PRIV([$1], [-liconv_plug], [_efl_have_fct="yes"], [_efl_have_fct="no"])
fi
AS_IF([test "x${_efl_have_fct}" = "xyes"], [$2], [$3])
])
dnl _EFL_CHECK_FUNC_SETXATTR is for internal use
dnl _EFL_CHECK_FUNC_SETXATTR(EFL, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
AC_DEFUN([_EFL_CHECK_FUNC_SETXATTR],
[
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <stdlib.h>
#include <sys/types.h>
#include <sys/xattr.h>
]],
[[
size_t tmp = listxattr("/", NULL, 0);
tmp = getxattr("/", "user.ethumb.md5", NULL, 0);
setxattr("/", "user.ethumb.md5", NULL, 0, 0);
]])],
[_efl_have_fct="yes"],
[_efl_have_fct="no"])
AS_IF([test "x${_efl_have_fct}" = "xyes"], [$2], [$3])
])
dnl _EFL_CHECK_FUNC_SHM_OPEN_PRIV is for internal use
dnl _EFL_CHECK_FUNC_SHM_OPEN_PRIV(EFL, LIB, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
AC_DEFUN([_EFL_CHECK_FUNC_SHM_OPEN_PRIV],
[
m4_pushdef([UPEFL], m4_translit([$1], [-a-z], [_A-Z]))dnl
m4_pushdef([DOWNEFL], m4_translit([$1], [-A-Z], [_a-z]))dnl
LIBS_save="${LIBS}"
LIBS="${LIBS} $2"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <sys/mman.h>
#include <sys/stat.h> /* For mode constants */
#include <fcntl.h> /* For O_* constants */
]],
[[
int fd;
fd = shm_open("/dev/null", O_RDONLY, S_IRWXU | S_IRWXG | S_IRWXO);
]])],
[
m4_defn([UPEFL])[]_LIBS="$m4_defn([UPEFL])[]_LIBS $2"
requirements_libs_[]m4_defn([DOWNEFL])="${requirements_libs_[]m4_defn([DOWNEFL])} $2"
_efl_have_fct="yes"
],
[_efl_have_fct="no"])
LIBS="${LIBS_save}"
AS_IF([test "x${_efl_have_fct}" = "xyes"], [$3], [$4])
m4_popdef([DOWNEFL])
m4_popdef([UPEFL])
])
dnl _EFL_CHECK_FUNC_SHM_OPEN is for internal use
dnl _EFL_CHECK_FUNC_SHM_OPEN(EFL, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
AC_DEFUN([_EFL_CHECK_FUNC_SHM_OPEN],
[
_efl_have_fct="no"
dnl Check is shm_open is in libc
_EFL_CHECK_FUNC_SHM_OPEN_PRIV([$1], [],
[_efl_have_fct="yes"],
[_efl_have_fct="no"])
dnl Check is shm_open is in librt
if test "x${_efl_have_fct}" = "xno" ; then
_EFL_CHECK_FUNC_SHM_OPEN_PRIV([$1], [-lrt],
[_efl_have_fct="yes"],
[_efl_have_fct="no"])
fi
AS_IF([test "x${_efl_have_fct}" = "xyes"], [$2], [$3])
])
dnl Macro that checks function availability
dnl
dnl EFL_CHECK_FUNC(EFL, FUNCTION)
dnl AC_SUBST : EFL_CFLAGS and EFL_LIBS (EFL being replaced by its value)
dnl AC_DEFINE : EFL_HAVE_FUNCTION (FUNCTION being replaced by its value)
dnl result in efl_func_function (function being replaced by its value)
AC_DEFUN([EFL_CHECK_FUNC],
[
m4_pushdef([UP], m4_translit([$2], [-a-z], [_A-Z]))dnl
m4_pushdef([DOWN], m4_translit([$2], [-A-Z], [_a-z]))dnl
m4_default([_EFL_CHECK_FUNC_]m4_defn([UP]))($1, [have_fct="yes"], [have_fct="no"])
if test "x$2" = "xsetxattr" ; then
AC_MSG_CHECKING([for extended attributes])
else
AC_MSG_CHECKING([for ]m4_defn([DOWN]))
fi
AC_MSG_RESULT([${have_fct}])
if test "x${have_fct}" = "xyes" ; then
if test "x$2" = "xsetxattr" ; then
AC_DEFINE([HAVE_XATTR], [1], [Define to 1 if you have the `listxattr', `setxattr' and `getxattr' functions.])
else
AC_DEFINE([HAVE_]m4_defn([UP]), [1], [Define to 1 if you have the `]m4_defn([DOWN])[' function.])
fi
fi
efl_func_[]m4_defn([DOWN])="${have_fct}"
m4_popdef([DOWN])
m4_popdef([UP])
])
dnl Macro that iterates over a sequence of space separated functions
dnl and that calls EFL_CHECK_FUNC() for each of these functions
dnl
dnl EFL_CHECK_FUNCS(EFL, FUNCTIONS)
AC_DEFUN([EFL_CHECK_FUNCS],
[
m4_foreach_w([fct], [$2], [EFL_CHECK_FUNC($1, m4_defn([fct]))])
])