forked from enlightenment/efl
323 lines
7.3 KiB
Plaintext
323 lines
7.3 KiB
Plaintext
dnl Copyright (C) 2012 Vincent Torri <vincent dot torri at gmail dot com>
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dnl This code is public domain and can be freely used or copied.
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dnl Macros that check functions availability for the EFL:
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dnl dirfd
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dnl dladdr
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dnl dlopen
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dnl fcntl
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dnl fnmatch
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dnl gettimeofday
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dnl iconv
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dnl setxattr (an al.)
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dnl shm_open
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dnl EFL_CHECK_LIB_CODE(EFL, LIB, VARIABLE, HEADER, BODY)
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dnl wrapper around AC_LINK_IFELSE(AC_LANG_PROGRAM()) to check
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dnl if some code would work with the given lib.
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dnl If the code work, EFL_ADD_LIBS(EFL, LIB) will be called
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dnl At the end VARIABLE will be "yes" or "no"
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AC_DEFUN([EFL_CHECK_LIB_CODE],
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[
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LIBS_save="${LIBS}"
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LIBS="${LIBS} $2"
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AC_LINK_IFELSE([AC_LANG_PROGRAM([$4], [$5])],
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[EFL_ADD_LIBS([$1], [$2])
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$3="yes"], [$3="no"])
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LIBS="${LIBS_save}"
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])
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dnl EFL_FIND_LIB_FOR_CODE(EFL, LIBS, VARIABLE, HEADER, BODY)
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AC_DEFUN([EFL_FIND_LIB_FOR_CODE],
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[
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dnl first try without lib (libc)
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EFL_CHECK_LIB_CODE([$1], [], [$3], [$4], [$5])
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if test "${$3}" = "no" && test "x$2" != "x"; then
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dnl loop through given libraries
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for trylib in $2; do
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EFL_CHECK_LIB_CODE([$1], [${trylib}], [$3], [$4], [$5])
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if test "${$3}" = "yes"; then
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break
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fi
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done
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fi
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])
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dnl _EFL_CHECK_FUNC_DIRFD is for internal use
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dnl _EFL_CHECK_FUNC_DIRFD(EFL, VARIABLE)
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AC_DEFUN([_EFL_CHECK_FUNC_DIRFD],
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[EFL_CHECK_LIB_CODE([$1], [], [$2], [[
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#ifdef HAVE_DIRENT_H
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# include <dirent.h>
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#endif
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]], [[DIR *dirp; return dirfd(dirp);]])
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])
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dnl _EFL_CHECK_FUNC_DLADDR is for internal use
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dnl _EFL_CHECK_FUNC_DLADDR(EFL, VARIABLE)
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AC_DEFUN([_EFL_CHECK_FUNC_DLADDR],
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[
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dllibs=""
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case "$host_os" in
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linux*)
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dllibs="-ldl"
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;;
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*)
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;;
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esac
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case "$host_os" in
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mingw*)
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$2="yes"
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;;
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*)
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EFL_FIND_LIB_FOR_CODE([$1], [$dllibs], [$2], [[
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#ifndef _GNU_SOURCE
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# define _GNU_SOURCE
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#endif
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#include <stdlib.h>
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#include <dlfcn.h>
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]], [[int res = dladdr(NULL, NULL);]])
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;;
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esac
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])
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dnl _EFL_CHECK_FUNC_DLOPEN is for internal use
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dnl _EFL_CHECK_FUNC_DLOPEN(EFL, VARIABLE)
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AC_DEFUN([_EFL_CHECK_FUNC_DLOPEN],
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[
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dllibs=""
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case "$host_os" in
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linux*)
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dllibs="-ldl"
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;;
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*)
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;;
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esac
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case "$host_os" in
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mingw*)
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$2="yes"
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;;
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*)
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EFL_FIND_LIB_FOR_CODE([$1], [$dllibs], [$2], [[
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#include <dlfcn.h>
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]], [[void *h = dlopen(0, 0);]])
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;;
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esac
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])
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dnl _EFL_CHECK_FUNC_DLSYM is for internal use
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dnl _EFL_CHECK_FUNC_DLSYM(EFL, VARIABLE)
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AC_DEFUN([_EFL_CHECK_FUNC_DLSYM],
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[
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dllibs=""
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case "$host_os" in
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linux*)
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dllibs="-ldl"
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;;
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*)
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;;
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esac
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case "$host_os" in
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mingw*)
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$2="yes"
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;;
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*)
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EFL_FIND_LIB_FOR_CODE([$1], [$dllibs], [$2], [[
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#ifndef _GNU_SOURCE
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# define _GNU_SOURCE
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#endif
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#include <stdlib.h>
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#include <dlfcn.h>
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]], [[void *res = dlsym(NULL, NULL);]])
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;;
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esac
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])
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dnl _EFL_CHECK_FUNC_FCNTL is for internal use
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dnl _EFL_CHECK_FUNC_FCNTL(EFL, VARIABLE)
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AC_DEFUN([_EFL_CHECK_FUNC_FCNTL],
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[
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case "$host_os" in
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mingw*)
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$2="yes"
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;;
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*)
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EFL_FIND_LIB_FOR_CODE([$1], [], [$2], [[
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#include <fcntl.h>
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]], [[int g = fcntl(0, 0);]])
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;;
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esac
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])
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dnl _EFL_CHECK_FUNC_FNMATCH is for internal use
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dnl _EFL_CHECK_FUNC_FNMATCH(EFL, VARIABLE)
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AC_DEFUN([_EFL_CHECK_FUNC_FNMATCH],
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[
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case "$host_os" in
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mingw*)
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$2="yes"
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;;
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*)
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EFL_FIND_LIB_FOR_CODE([$1], [-lfnmatch -liberty], [$2], [[
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#include <stdlib.h>
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#include <fnmatch.h>
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]], [[int g = fnmatch(NULL, NULL, 0);]])
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;;
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esac
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])
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dnl _EFL_CHECK_FUNC_SCHED_GETCPU is for internal use
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dnl _EFL_CHECK_FUNC_SCHED_GETCPU(EFL, VARIABLE)
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AC_DEFUN([_EFL_CHECK_FUNC_SCHED_GETCPU],
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[
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EFL_CHECK_LIB_CODE([$1], [], [$2], [[
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#include <sched.h>
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]], [[int cpu = sched_getcpu();]])
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])
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dnl _EFL_CHECK_FUNC_GETTIMEOFDAY is for internal use
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dnl _EFL_CHECK_FUNC_GETTIMEOFDAY(EFL, VARIABLE)
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AC_DEFUN([_EFL_CHECK_FUNC_GETTIMEOFDAY],
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[
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case "$host_os" in
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mingw*)
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$2="yes"
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;;
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*)
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EFL_CHECK_LIB_CODE([$1], [], [$2], [[
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#include <stdlib.h>
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#include <sys/time.h>
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]], [[int res = gettimeofday(NULL, NULL);]])
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if test "${$2}" = "no" && test "x${enable_exotic}" = "xyes"; then
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SAVE_CFLAGS="${CFLAGS}"
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CFLAGS="${CFLAGS} ${EXOTIC_CFLAGS}"
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EFL_CHECK_LIB_CODE([$1], [${EXOTIC_LIBS}], [$2], [[
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#include <Exotic.h>
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]], [[int res = gettimeofday(NULL, NULL);]])
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CFLAGS="${SAVE_CFLAGS}"
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fi
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;;
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esac
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])
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dnl _EFL_CHECK_FUNC_ICONV is for internal use
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dnl _EFL_CHECK_FUNC_ICONV(EFL, VARIABLE)
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AC_DEFUN([_EFL_CHECK_FUNC_ICONV],
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[dnl
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AC_ARG_WITH([iconv-link],
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AC_HELP_STRING([--with-iconv-link=ICONV_LINK], [explicitly specify an iconv link option]),
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[
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$2="yes"
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iconv_libs=${withval}
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],
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[$2="no"])
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if test "x${iconv_libs}" = "x" ; then
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EFL_FIND_LIB_FOR_CODE([$1], [-liconv -liconv_plug], [$2], [[
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#include <stdlib.h>
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#include <iconv.h>
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]], [[iconv_t ic; size_t count = iconv(ic, NULL, NULL, NULL, NULL);]])
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fi
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])
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dnl _EFL_CHECK_FUNC_SETXATTR is for internal use
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dnl _EFL_CHECK_FUNC_SETXATTR(EFL, VARIABLE)
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AC_DEFUN([_EFL_CHECK_FUNC_SETXATTR],
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[EFL_CHECK_LIB_CODE([$1], [], [$2], [[
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/xattr.h>
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]], [[
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size_t tmp = listxattr("/", NULL, 0);
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tmp = getxattr("/", "user.ethumb.md5", NULL, 0);
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setxattr("/", "user.ethumb.md5", NULL, 0, 0);
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]])
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if test "${$2}" = "yes"; then
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AC_DEFINE([HAVE_XATTR], [1], [Define to 1 if you have the `listxattr', `setxattr' and `getxattr' functions.])
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fi
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])
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dnl _EFL_CHECK_FUNC_SHM_OPEN is for internal use
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dnl _EFL_CHECK_FUNC_SHM_OPEN(EFL, VARIABLE)
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AC_DEFUN([_EFL_CHECK_FUNC_SHM_OPEN],
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[
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shmlibs=""
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case "$host_os" in
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linux*)
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shmlibs="-lrt"
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;;
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*)
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;;
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esac
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EFL_FIND_LIB_FOR_CODE([$1], [$shmlibs], [$2], [[
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#include <sys/mman.h>
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#include <sys/stat.h> /* For mode constants */
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#include <fcntl.h> /* For O_* constants */
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]], [[
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int fd = shm_open("/dev/null", O_RDONLY, S_IRWXU | S_IRWXG | S_IRWXO);
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]])
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])
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dnl _EFL_CHECK_FUNC_SPLICE is for internal use
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dnl _EFL_CHECK_FUNC_SPLICE(EFL, VARIABLE)
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AC_DEFUN([_EFL_CHECK_FUNC_SPLICE],
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[EFL_FIND_LIB_FOR_CODE([$1], [], [$2], [[
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#include <unistd.h>
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#include <fcntl.h>
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]], [[
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long ret = splice(0, 0, 1, 0, 400, 0);
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]])
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])
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dnl _EFL_CHECK_FUNC_GETPAGESIZE is for internal use
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dnl _EFL_CHECK_FUNC_GETPAGESIZE(EFL, VARIABLE)
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AC_DEFUN([_EFL_CHECK_FUNC_GETPAGESIZE],
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[EFL_FIND_LIB_FOR_CODE([$1], [], [$2], [[
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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]],
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[[
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long sz;
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sz = getpagesize();
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]])
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])
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dnl Macro that checks function availability
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dnl
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dnl EFL_CHECK_FUNC(EFL, FUNCTION)
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dnl AC_SUBST : EFL_CFLAGS and EFL_LIBS (EFL being replaced by its value)
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dnl AC_DEFINE : HAVE_FUNCTION (FUNCTION being replaced by its value)
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dnl result in efl_func_function (function being replaced by its value)
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AC_DEFUN([EFL_CHECK_FUNC],
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[dnl
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m4_pushdef([UP], m4_translit([$2], [-a-z], [_A-Z]))dnl
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m4_pushdef([DOWN], m4_translit([$2], [-A-Z], [_a-z]))dnl
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m4_default([_EFL_CHECK_FUNC_]m4_defn([UP]))($1, [have_fct])
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AC_MSG_CHECKING([for $2])
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AC_MSG_RESULT([${have_fct}])
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if test "x${have_fct}" = "xyes" ; then
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AC_DEFINE([HAVE_]m4_defn([UP]), [1], [Define to 1 if you have the `]m4_defn([DOWN])[' function.])
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fi
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efl_func_[]m4_defn([DOWN])="${have_fct}"
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m4_popdef([DOWN])dnl
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m4_popdef([UP])dnl
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])
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dnl Macro that iterates over a sequence of space separated functions
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dnl and that calls EFL_CHECK_FUNC() for each of these functions
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dnl
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dnl EFL_CHECK_FUNCS(EFL, FUNCTIONS)
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AC_DEFUN([EFL_CHECK_FUNCS],
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[m4_foreach_w([fct], [$2], [EFL_CHECK_FUNC($1, m4_defn([fct]))])])
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