forked from GNOME/glib
/
configure.ac
3504 lines (3125 loc) · 104 KB
/
configure.ac
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# Process this file with autoconf to produce a configure script.
AC_PREREQ([2.62])
dnl ***********************************
dnl *** include special GLib macros ***
dnl ***********************************
m4_define(glib_configure_ac)
#
# The following version number definitions apply to GLib, GModule, GObject,
# GThread and GIO as a whole, so if changes occurred in any of them, they are
# all treated with the same interface and binary age.
#
# Making releases:
# glib_micro_version += 1;
# glib_interface_age += 1;
# glib_binary_age += 1;
# if any functions have been added, set glib_interface_age to 0.
# if backwards compatibility has been broken,
# set glib_binary_age _and_ glib_interface_age to 0.
#
# remember to add a GLIB_VERSION_2_xx macro every time the minor version is
# bumped, as well as the GLIB_DEPRECATED_IN and GLIB_AVAILABLE_IN macros
# for that version - see gversion.h for further information.
#
# in easier to understand terms:
#
# <mclasen> on the stable branch, interface age == micro
# <mclasen> on the unstable (ie master), interface age = 0
m4_define([glib_major_version], [2])
m4_define([glib_minor_version], [49])
m4_define([glib_micro_version], [7])
m4_define([glib_interface_age], [0])
m4_define([glib_binary_age],
[m4_eval(100 * glib_minor_version + glib_micro_version)])
m4_define([glib_version],
[glib_major_version.glib_minor_version.glib_micro_version])
# libtool version related macros
m4_define([glib_lt_release], [glib_major_version.glib_minor_version])
m4_define([glib_lt_current],
[m4_eval(100 * glib_minor_version + glib_micro_version - glib_interface_age)])
m4_define([glib_lt_revision], [glib_interface_age])
m4_define([glib_lt_age], [m4_eval(glib_binary_age - glib_interface_age)])
m4_define([glib_lt_current_minus_age],
[m4_eval(glib_lt_current - glib_lt_age)])
# if the minor version number is odd, then we want debugging. Otherwise
# we only want minimal debugging support.
m4_define([glib_debug_default],
[m4_if(m4_eval(glib_minor_version % 2), [1], [yes], [minimum])])dnl
AC_INIT(glib, [glib_version],
[http://bugzilla.gnome.org/enter_bug.cgi?product=glib])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_SRCDIR([glib/glib.h])
AC_CONFIG_MACRO_DIR([m4macros])
# Save this value here, since automake will set cflags later
cflags_set=${CFLAGS:+set}
AM_INIT_AUTOMAKE([1.11 -Wno-portability no-define no-dist-gzip dist-xz tar-ustar])
AM_MAINTAINER_MODE([enable])
# Support silent build rules. Disable
# by either passing --disable-silent-rules to configure or passing V=1
# to make
AM_SILENT_RULES([yes])
GLIB_MAJOR_VERSION=glib_major_version
GLIB_MINOR_VERSION=glib_minor_version
GLIB_MICRO_VERSION=glib_micro_version
GLIB_INTERFACE_AGE=glib_interface_age
GLIB_BINARY_AGE=glib_binary_age
GLIB_VERSION=glib_version
AC_SUBST(GLIB_MAJOR_VERSION)
AC_SUBST(GLIB_MINOR_VERSION)
AC_SUBST(GLIB_MICRO_VERSION)
AC_SUBST(GLIB_VERSION)
AC_SUBST(GLIB_INTERFACE_AGE)
AC_SUBST(GLIB_BINARY_AGE)
AC_DEFINE(GLIB_MAJOR_VERSION, [glib_major_version],
[Define to the GLIB major version])
AC_DEFINE(GLIB_MINOR_VERSION, [glib_minor_version],
[Define to the GLIB minor version])
AC_DEFINE(GLIB_MICRO_VERSION, [glib_micro_version],
[Define to the GLIB micro version])
AC_DEFINE(GLIB_INTERFACE_AGE, [glib_interface_age],
[Define to the GLIB interface age])
AC_DEFINE(GLIB_BINARY_AGE, [glib_binary_age],
[Define to the GLIB binary age])
# libtool versioning
LT_RELEASE=glib_lt_release
LT_CURRENT=glib_lt_current
LT_REVISION=glib_lt_revision
LT_AGE=glib_lt_age
LT_CURRENT_MINUS_AGE=glib_lt_current_minus_age
AC_SUBST(LT_RELEASE)
AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)
AC_SUBST(LT_CURRENT_MINUS_AGE)
dnl Checks for programs.
AC_PROG_CC
AC_PROG_CPP
AC_USE_SYSTEM_EXTENSIONS
AM_CONDITIONAL(HAVE_GCC, [test "$GCC" = "yes"])
AC_CANONICAL_HOST
dnl
AC_MSG_CHECKING([for Win32])
LIB_EXE_MACHINE_FLAG=X86
case "$host" in
*-*-mingw*)
glib_native_win32=yes
glib_pid_type='void *'
glib_pid_format='p'
glib_pollfd_format='%#x'
glib_cv_stack_grows=no
# Unfortunately the mingw implementations of C99-style snprintf and vsnprintf
# don't seem to be quite good enough, at least not in mingw-runtime-3.14.
# (Sorry, I don't know exactly what is the problem, but it is related to
# floating point formatting and decimal point vs. comma.)
# The simple tests in AC_FUNC_VSNPRINTF_C99 and AC_FUNC_SNPRINTF_C99 aren't
# rigorous enough to notice, though.
# So preset the autoconf cache variables.
ac_cv_func_vsnprintf_c99=no
ac_cv_func_snprintf_c99=no
case "$host" in
x86_64-*-*)
LIB_EXE_MACHINE_FLAG=X64
glib_pollfd_format='%#I64x'
;;
esac
AC_DEFINE([_WIN32_WINNT], [0x0501], [Target the Windows XP API])
;;
*)
glib_native_win32=no
glib_pid_type=int
glib_pid_format='i'
glib_pollfd_format='%d'
;;
esac
case $host in
*-*-linux*)
glib_os_linux=yes
;;
esac
AC_MSG_RESULT([$glib_native_win32])
AC_MSG_CHECKING([for the Android])
case $host in
*android*)
glib_native_android="yes"
;;
*)
glib_native_android="no"
;;
esac
AC_MSG_RESULT([$glib_native_android])
AC_SUBST(LIB_EXE_MACHINE_FLAG)
glib_have_carbon=no
AC_MSG_CHECKING([for Mac OS X Carbon support])
AC_TRY_CPP([
#include <Carbon/Carbon.h>
#include <CoreServices/CoreServices.h>
], glib_have_carbon=yes)
AC_MSG_RESULT([$glib_have_carbon])
glib_have_cocoa=no
AC_MSG_CHECKING([for Mac OS X Cocoa support])
AC_TRY_CPP([
#include <Cocoa/Cocoa.h>
#ifdef GNUSTEP_BASE_VERSION
#error "Detected GNUstep, not Cocoa"
#endif
], glib_have_cocoa=yes)
AC_MSG_RESULT([$glib_have_cocoa])
AM_CONDITIONAL(OS_WIN32, [test "$glib_native_win32" = "yes"])
AM_CONDITIONAL(OS_WIN32_X64, [test "$LIB_EXE_MACHINE_FLAG" = "X64"])
AM_CONDITIONAL(OS_UNIX, [test "$glib_native_win32" != "yes"])
AM_CONDITIONAL(OS_LINUX, [test "$glib_os_linux" = "yes"])
AM_CONDITIONAL(OS_CARBON, [test "$glib_have_carbon" = "yes"])
AM_CONDITIONAL(OS_COCOA, [test "$glib_have_cocoa" = "yes"])
AS_IF([test "$glib_native_win32" = "yes"], [
AC_CHECK_TOOL(WINDRES, windres, no)
if test "$WINDRES" = no; then
AC_MSG_ERROR([*** Could not find an implementation of windres in your PATH.])
fi
AC_CHECK_TOOL(NM, nm, no)
if test "$NM" = no; then
AC_MSG_ERROR([*** Could not find an implementation of nm in your PATH.])
fi
AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_CHECK_TOOL(DLLTOOL, dlltool, :)
AC_CHECK_PROG(ms_librarian, [lib.exe], [yes], [no])
])
AM_CONDITIONAL(MS_LIB_AVAILABLE, [test x$ms_librarian = xyes])
AS_IF([test "x$glib_have_carbon" = "xyes"], [
AC_DEFINE(HAVE_CARBON, 1, [define to 1 if Carbon is available])
CARBON_LIBS="-Wl,-framework,Carbon"
LDFLAGS="$LDFLAGS $CARBON_LIBS"
], [CARBON_LIBS=""])
AC_SUBST([CARBON_LIBS])
AS_IF([test "x$glib_have_cocoa" = "xyes"], [
AC_DEFINE(HAVE_COCOA, 1, [define to 1 if Cocoa is available])
COCOA_LIBS="-Wl,-framework,Foundation"
LDFLAGS="$LDFLAGS $COCOA_LIBS"
osx_version=`sw_vers -productVersion`
osx_min_version="10.9.0"
AC_MSG_CHECKING([OSX version >= $osx_min_version])
AS_VERSION_COMPARE([$osx_version], [$osx_min_version], [
AC_MSG_RESULT([no])
AC_MSG_ERROR([OSX version is too old!])
])
AC_MSG_RESULT([yes])
], [COCOA_LIBS=""])
AC_SUBST([COCOA_LIBS])
dnl declare --enable-* args and collect ac_help strings
AC_ARG_ENABLE(debug,
AS_HELP_STRING([--enable-debug=@<:@no/minimum/yes@:>@],
[turn on debugging @<:@default=glib_debug_default@:>@]),,
enable_debug=glib_debug_default)
AC_ARG_ENABLE(gc_friendly,
[AS_HELP_STRING([--enable-gc-friendly],
[turn on garbage collector friendliness [default=no]])],,
[enable_gc_friendly=no])
AC_ARG_ENABLE(mem_pools,
[AS_HELP_STRING([--disable-mem-pools],
[disable all glib memory pools])],,
[disable_mem_pools=no])
AC_ARG_ENABLE(rebuilds,
[AS_HELP_STRING([--disable-rebuilds],
[disable all source autogeneration rules])],,
[enable_rebuilds=yes])
GLIB_TESTS
AC_MSG_CHECKING([whether to enable garbage collector friendliness])
AS_IF([test "x$enable_gc_friendly" = "xyes"], [
AC_DEFINE(ENABLE_GC_FRIENDLY_DEFAULT, 1, [Whether to enable GC friendliness by default])
AC_MSG_RESULT([yes])
], [ AC_MSG_RESULT([no]) ])
AC_MSG_CHECKING([whether to disable memory pools])
AS_IF([test "x$disable_mem_pools" = "xno"], [
AC_MSG_RESULT([no])
], [
AC_DEFINE(DISABLE_MEM_POOLS, [1], [Whether to disable memory pools])
AC_MSG_RESULT([yes])
])
dnl location to install runtime libraries, e.g. ../../lib to install
dnl to /lib if libdir is /usr/lib
AC_ARG_WITH(runtime-libdir,
[AS_HELP_STRING([--with-runtime-libdir=RELPATH],
[install runtime libraries relative to libdir])],
[],
[with_runtime_libdir=""])
GLIB_RUNTIME_LIBDIR="$with_runtime_libdir"
AC_SUBST(GLIB_RUNTIME_LIBDIR)
AM_CONDITIONAL(HAVE_GLIB_RUNTIME_LIBDIR, [test "x$with_runtime_libdir" != "x"])
dnl Check for a working C++ compiler, but do not bail out, if none is found.
AC_CHECK_TOOLS(CXX, [$CCC c++ g++ gcc CC cxx cc++ cl], [gcc])
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_COMPILE(,[class a { int b; } c;], ,CXX=)
AM_CONDITIONAL(HAVE_CXX, [test "$CXX" != ""])
AC_LANG_RESTORE
AM_PROG_CC_C_O
AC_PROG_INSTALL
AC_SYS_LARGEFILE
PKG_PROG_PKG_CONFIG(0.16)
if test "x$enable_debug" = "xyes"; then
if test "x$cflags_set" != "x" ; then
case " $CFLAGS " in
*[[\ \ ]]-g[[\ \ ]]*) ;;
*) CFLAGS="$CFLAGS -g" ;;
esac
fi
GLIB_DEBUG_FLAGS="-DG_ENABLE_DEBUG"
else
GLIB_DEBUG_FLAGS="-DG_DISABLE_CAST_CHECKS"
if test "x$enable_debug" = "xno"; then
GLIB_DEBUG_FLAGS="$GLIB_DEBUG_FLAGS -DG_DISABLE_ASSERT -DG_DISABLE_CHECKS"
fi
fi
# Ensure MSVC-compatible struct packing convention is used when
# compiling for Win32 with gcc.
# What flag to depends on gcc version: gcc3 uses "-mms-bitfields", while
# gcc2 uses "-fnative-struct".
if test x"$glib_native_win32" = xyes; then
if test x"$GCC" = xyes; then
msnative_struct=''
AC_MSG_CHECKING([how to get MSVC-compatible struct packing])
if test -z "$ac_cv_prog_CC"; then
our_gcc="$CC"
else
our_gcc="$ac_cv_prog_CC"
fi
case `$our_gcc --version | sed -e 's,\..*,.,' -e q` in
2.)
if $our_gcc -v --help 2>/dev/null | grep fnative-struct >/dev/null; then
msnative_struct='-fnative-struct'
fi
;;
*)
if $our_gcc -v --help 2>/dev/null | grep ms-bitfields >/dev/null; then
msnative_struct='-mms-bitfields'
fi
;;
esac
if test x"$msnative_struct" = x ; then
AC_MSG_RESULT([no way])
AC_MSG_WARN([produced libraries might be incompatible with MSVC-compiled code])
else
CFLAGS="$CFLAGS $msnative_struct"
AC_MSG_RESULT([${msnative_struct}])
fi
fi
fi
GLIB_EXTRA_CFLAGS="${msnative_struct}"
AC_SUBST(GLIB_EXTRA_CFLAGS)
AC_EXEEXT
# define a MAINT-like variable REBUILD which is set if Perl
# and awk are found, so autogenerated sources can be rebuilt
AC_PROG_AWK
AC_CHECK_PROGS(PERL, [perl5 perl])
# We would like indent, but don't require it.
AC_CHECK_PROG(INDENT, indent, indent)
REBUILD=\#
if test "x$enable_rebuilds" = "xyes" && \
test -n "$PERL" && \
$PERL -e 'exit !($] >= 5.002)' > /dev/null 2>&1 && \
test -n "$AWK" ; then
REBUILD=
fi
AC_SUBST(REBUILD)
# Need full path to Perl for glib-mkenums
#
if test "x$PERL" != x ; then
AC_PATH_PROG(PERL_PATH, [$PERL])
fi
if test "x$PERL_PATH" = x ; then
PERL_PATH="/usr/bin/env perl"
fi
AC_SUBST(PERL_PATH)
# option to specify python interpreter to use; this just sets $PYTHON, so that
# we will fallback to reading $PYTHON if --with-python is not given, and
# python.m4 will get the expected input
AC_ARG_WITH(python,
AS_HELP_STRING([--with-python=PATH],
[Path to Python interpreter; searches $PATH if only a program name is given; if not given, searches for a few standard names such as "python3" or "python2"]),
[PYTHON="$withval"], [])
if test x"$PYTHON" = xyes; then
AC_MSG_ERROR([--with-python option requires a path or program argument])
fi
AM_PATH_PYTHON(2.5,,PYTHON="/usr/bin/env python2.5")
dnl ***********************
dnl *** Tests for iconv ***
dnl ***********************
dnl
dnl We do this before the gettext checks, to avoid distortion
dnl On Windows we use a native implementation
AS_IF([ test x"$glib_native_win32" = xyes], [
with_libiconv=native
], [
AC_ARG_WITH(libiconv,
[AS_HELP_STRING([--with-libiconv=@<:@no/gnu/native@:>@],
[use the libiconv library])],,
[with_libiconv=maybe])
found_iconv=no
case $with_libiconv in
maybe)
# Check in the C library first
AC_CHECK_FUNC(iconv_open, [with_libiconv=no; found_iconv=yes])
# Check if we have GNU libiconv
if test $found_iconv = "no"; then
AC_CHECK_LIB(iconv, libiconv_open, [with_libiconv=gnu; found_iconv=yes])
fi
# Check if we have a iconv in -liconv, possibly from vendor
if test $found_iconv = "no"; then
AC_CHECK_LIB(iconv, iconv_open, [with_libiconv=native; found_iconv=yes])
fi
;;
no)
AC_CHECK_FUNC(iconv_open, [with_libiconv=no; found_iconv=yes])
;;
gnu|yes)
AC_CHECK_LIB(iconv, libiconv_open, [with_libiconv=gnu; found_iconv=yes])
;;
native)
AC_CHECK_LIB(iconv, iconv_open, [with_libiconv=native; found_iconv=yes])
;;
esac
if test "x$found_iconv" = "xno" ; then
AC_MSG_ERROR([*** No iconv() implementation found in C library or libiconv])
fi
])
dnl
dnl zlib support
dnl
PKG_CHECK_MODULES([ZLIB], [zlib], [found_zlib=yes], [found_zlib=no])
AS_IF([test "x$found_zlib" = "xno"], [
AC_CHECK_LIB(z, inflate, [AC_CHECK_HEADER(zlib.h, found_zlib=yes)])
if test "x$found_zlib" = "xno" ; then
AC_MSG_ERROR([*** Working zlib library and headers not found ***])
fi
ZLIB_LIBS='-lz'
AC_SUBST(ZLIB_LIBS)
])
PKG_CHECK_MODULES(LIBFFI, [libffi >= 3.0.0])
AC_SUBST(LIBFFI_CFLAGS)
AC_SUBST(LIBFFI_LIBS)
dnl
dnl gettext support
dnl
ALL_LINGUAS="`grep -v '^#' "$srcdir/po/LINGUAS" | tr '\n' ' '`"
AC_SUBST([CONFIG_STATUS_DEPENDENCIES],['$(top_srcdir)/po/LINGUAS'])
GLIB_GNU_GETTEXT
if test "$gt_cv_have_gettext" != "yes" ; then
AC_MSG_ERROR([
*** You must have either have gettext support in your C library, or use the
*** GNU gettext library. (http://www.gnu.org/software/gettext/gettext.html
])
fi
LIBS="$INTLLIBS $LIBS"
GETTEXT_PACKAGE=glib20
AC_SUBST(GETTEXT_PACKAGE)
AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, ["$GETTEXT_PACKAGE"],
[Define the gettext package to be used])
GLIB_DEFINE_LOCALEDIR(GLIB_LOCALE_DIR)
dnl
dnl Now we are done with gettext checks, figure out ICONV_LIBS
dnl
AS_IF([test x"$glib_native_win32" != xyes], [
if test x$with_libiconv != xno ; then
case " $INTLLIBS " in
*[[\ \ ]]-liconv[[\ \ ]]*) ;;
*) ICONV_LIBS="-liconv" ;;
esac
fi
])
AC_SUBST(ICONV_LIBS)
case $with_libiconv in
gnu)
AC_DEFINE(USE_LIBICONV_GNU, 1, [Using GNU libiconv])
;;
native)
AC_DEFINE(USE_LIBICONV_NATIVE, 1, [Using a native implementation of iconv in a separate library])
;;
esac
dnl Initialize libtool
LT_PREREQ([2.2])
LT_INIT([disable-static win32-dll])
dnl when using libtool 2.x create libtool early, because it's used in configure
m4_ifdef([LT_OUTPUT], [LT_OUTPUT])
AS_IF([test "$glib_native_win32" = "yes"], [
if test x$enable_static = xyes -a x$enable_shared = xyes; then
AC_MSG_ERROR([Can not build both shared and static at the same time on Windows.])
fi
if test x$enable_static = xyes; then
glib_win32_static_compilation=yes
GLIB_WIN32_STATIC_COMPILATION_DEFINE="#define GLIB_STATIC_COMPILATION 1
#define GOBJECT_STATIC_COMPILATION 1"
AC_SUBST(GLIB_WIN32_STATIC_COMPILATION_DEFINE)
fi
])
AM_CONDITIONAL(OS_WIN32_AND_DLL_COMPILATION, [test x$glib_native_win32 = xyes -a x$glib_win32_static_compilation != xyes])
# Checks for library functions.
AC_FUNC_ALLOCA
AC_CHECK_FUNCS(mmap posix_memalign memalign valloc fsync pipe2 issetugid)
AC_CHECK_FUNCS(timegm gmtime_r strerror_r)
AC_CACHE_CHECK([for __libc_enable_secure], glib_cv_have_libc_enable_secure,
[AC_TRY_LINK([#include <unistd.h>
extern int __libc_enable_secure;],
[return __libc_enable_secure;],
glib_cv_have_libc_enable_secure=yes,
glib_cv_have_libc_enable_secure=no)])
AS_IF([test x$glib_cv_have_libc_enable_secure = xyes], [
AC_DEFINE(HAVE_LIBC_ENABLE_SECURE, 1,
[Define if you have the __libc_enable_secure variable (GNU libc, eglibc)])
])
AC_CHECK_SIZEOF(char)
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(void *)
AC_CHECK_SIZEOF(long long)
AC_CHECK_SIZEOF(__int64)
AC_CACHE_CHECK([for sig_atomic_t], ac_cv_type_sig_atomic_t,
[AC_TRY_LINK([#include <signal.h>
#include <sys/types.h>
sig_atomic_t val = 42;],
[return val == 42 ? 0 : 1],
ac_cv_type_sig_atomic_t=yes,
ac_cv_type_sig_atomic_t=no)])
if test x$ac_cv_type_sig_atomic_t = xyes; then
AC_DEFINE(HAVE_SIG_ATOMIC_T, 1,
[Define if you have the 'sig_atomic_t' type.])
fi
if test x$ac_cv_sizeof_long = x8 || test x$ac_cv_sizeof_long_long = x8 || test x$ac_cv_sizeof___int64 = x8 ; then
:
else
AC_MSG_ERROR([
*** GLib requires a 64 bit type. You might want to consider
*** using the GNU C compiler.
])
fi
AS_IF([test x$glib_native_win32 != xyes && test x$ac_cv_sizeof_long_long = x8], [
# long long is a 64 bit integer.
AC_MSG_CHECKING(for format to printf and scanf a guint64)
AC_CACHE_VAL(glib_cv_long_long_format,[
for format in ll q I64; do
AC_TRY_RUN([#include <stdio.h>
int main()
{
long long b, a = -0x3AFAFAFAFAFAFAFALL;
char buffer[1000];
sprintf (buffer, "%${format}u", a);
sscanf (buffer, "%${format}u", &b);
exit (b!=a);
}
],
[glib_cv_long_long_format=${format}
break],
[],[:])
done])
AS_IF([ test -n "$glib_cv_long_long_format"], [
AC_MSG_RESULT(%${glib_cv_long_long_format}u)
AC_DEFINE(HAVE_LONG_LONG_FORMAT,1,[define if system printf can print long long])
if test x"$glib_cv_long_long_format" = xI64; then
AC_DEFINE(HAVE_INT64_AND_I64,1,[define to support printing 64-bit integers with format I64])
fi
], [AC_MSG_RESULT(none)])
],[ test x$ac_cv_sizeof___int64 = x8], [
# __int64 is a 64 bit integer.
AC_MSG_CHECKING(for format to printf and scanf a guint64)
# We know this is MSVCRT.DLL, and what the formats are
glib_cv_long_long_format=I64
AC_MSG_RESULT(%${glib_cv_long_long_format}u)
AC_DEFINE(HAVE_LONG_LONG_FORMAT,1,[define if system printf can print long long])
AC_DEFINE(HAVE_INT64_AND_I64,1,[define to support printing 64-bit integers with format I64])
])
AC_C_CONST
dnl
dnl check in which direction the stack grows
dnl
AC_CACHE_CHECK([for growing stack pointer],glib_cv_stack_grows,[
AC_TRY_RUN([
volatile int *a = 0, *b = 0;
void f (int i) { volatile int x = 5; if (i == 0) b = &x; else f (i - 1); }
int main () { volatile int y = 7; a = &y; f (100); return b > a ? 0 : 1; }
],
glib_cv_stack_grows=yes
,
glib_cv_stack_grows=no
,)
])
# check for flavours of varargs macros
AC_MSG_CHECKING(for ISO C99 varargs macros in C)
AC_TRY_COMPILE([],[
int a(int p1, int p2, int p3);
#define call_a(...) a(1,__VA_ARGS__)
call_a(2,3);
],g_have_iso_c_varargs=yes,g_have_iso_c_varargs=no)
AC_MSG_RESULT($g_have_iso_c_varargs)
AC_MSG_CHECKING(for ISO C99 varargs macros in C++)
AS_IF([test "$CXX" = ""], [
dnl No C++ compiler
g_have_iso_cxx_varargs=no
else
AC_LANG_CPLUSPLUS
AC_TRY_COMPILE([],[
int a(int p1, int p2, int p3);
#define call_a(...) a(1,__VA_ARGS__)
call_a(2,3);
],g_have_iso_cxx_varargs=yes,g_have_iso_cxx_varargs=no)
AC_LANG_C
])
AC_MSG_RESULT($g_have_iso_cxx_varargs)
AC_MSG_CHECKING(for GNUC varargs macros)
AC_TRY_COMPILE([],[
int a(int p1, int p2, int p3);
#define call_a(params...) a(1,params)
call_a(2,3);
],g_have_gnuc_varargs=yes,g_have_gnuc_varargs=no)
AC_MSG_RESULT($g_have_gnuc_varargs)
# check for GNUC visibility support
AC_MSG_CHECKING(for GNUC visibility attribute)
GLIB_CHECK_COMPILE_WARNINGS([AC_LANG_SOURCE([[
void
__attribute__ ((visibility ("hidden")))
f_hidden (void)
{
}
void
__attribute__ ((visibility ("internal")))
f_internal (void)
{
}
void
__attribute__ ((visibility ("protected")))
f_protected (void)
{
}
void
__attribute__ ((visibility ("default")))
f_default (void)
{
}
int main (void)
{
f_hidden();
f_internal();
f_protected();
f_default();
return 0;
}
]])],g_have_gnuc_visibility=yes,g_have_gnuc_visibility=no)
AC_MSG_RESULT($g_have_gnuc_visibility)
AM_CONDITIONAL(HAVE_GNUC_VISIBILITY, [test x$g_have_gnuc_visibility = xyes])
AC_MSG_CHECKING([whether using Sun Studio C compiler])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if defined(__SUNPRO_C) || (__SUNPRO_C >= 0x550)
#else
# include "error: this is not Sun Studio."
#endif
]], [[]])], [ g_have_sunstudio_visibility=yes ], [ g_have_sunstudio_visibility=no ])
AC_MSG_RESULT($g_have_sunstudio_visibility)
AM_CONDITIONAL(HAVE_SUNSTUDIO_VISIBILITY, [test x$g_have_sunstudio_visibility = xyes])
# check for bytesex stuff
AC_C_BIGENDIAN
if test x$ac_cv_c_bigendian = xuniversal ; then
AC_MSG_ERROR([Universal builds not supported: see https://bugs.gnome.org/742548])
fi
# check for header files
AC_CHECK_HEADERS([sys/param.h sys/resource.h mach/mach_time.h])
AC_CHECK_HEADERS([sys/select.h stdint.h inttypes.h sched.h malloc.h])
AC_CHECK_HEADERS([sys/vfs.h sys/vmount.h sys/statfs.h sys/statvfs.h sys/filio.h])
AC_CHECK_HEADERS([mntent.h sys/mnttab.h sys/vfstab.h sys/mntctl.h fstab.h])
AC_CHECK_HEADERS([linux/magic.h])
# Some versions of MSC lack these
AC_CHECK_HEADERS([dirent.h sys/time.h])
# We don't care about this, but we need to keep including it in
# glibconfig.h for backward compatibility
AC_CHECK_HEADERS([values.h])
AC_CHECK_HEADERS([sys/mount.h sys/sysctl.h], [], [],
[#if HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
])
AC_CHECK_FUNCS(sysctlbyname)
AC_HEADER_MAJOR
AC_CHECK_HEADERS([xlocale.h])
# check for structure fields
AC_CHECK_MEMBERS([struct stat.st_mtimensec, struct stat.st_mtim.tv_nsec, struct stat.st_atimensec, struct stat.st_atim.tv_nsec, struct stat.st_ctimensec, struct stat.st_ctim.tv_nsec, struct stat.st_birthtime, struct stat.st_birthtimensec, struct stat.st_birthtim, struct stat.st_birthtim.tv_nsec])
AC_CHECK_MEMBERS([struct stat.st_blksize, struct stat.st_blocks, struct statfs.f_fstypename, struct statfs.f_bavail],,, [#include <sys/types.h>
#include <sys/stat.h>
#ifdef G_OS_UNIX
#include <unistd.h>
#endif
#ifdef HAVE_SYS_STATFS_H
#include <sys/statfs.h>
#endif
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_MOUNT_H
#include <sys/mount.h>
#endif])
# struct statvfs.f_basetype is available on Solaris but not for Linux.
AC_CHECK_MEMBERS([struct statvfs.f_basetype],,, [#include <sys/statvfs.h>])
AC_CHECK_MEMBERS([struct statvfs.f_fstypename],,, [#include <sys/statvfs.h>])
AC_CHECK_MEMBERS([struct tm.tm_gmtoff, struct tm.__tm_gmtoff],,,[#include <time.h>])
AC_STRUCT_DIRENT_D_TYPE
# Checks for libcharset
AM_LANGINFO_CODESET
gl_GLIBC21
# check additional type sizes
AC_CHECK_SIZEOF(size_t)
dnl Try to figure out whether gsize should be long or int
AC_MSG_CHECKING([for the appropriate definition for size_t])
case $ac_cv_sizeof_size_t in
$ac_cv_sizeof_short)
glib_size_type=short
;;
$ac_cv_sizeof_int)
glib_size_type=int
;;
$ac_cv_sizeof_long)
glib_size_type=long
;;
$ac_cv_sizeof_long_long)
glib_size_type='long long'
;;
$ac_cv_sizeof__int64)
glib_size_type='__int64'
;;
*) AC_MSG_ERROR([No type matching size_t in size])
;;
esac
dnl If int/long are the same size, we see which one produces
dnl warnings when used in the location as size_t. (This matters
dnl on AIX with xlc)
dnl
AS_IF([test $ac_cv_sizeof_size_t = $ac_cv_sizeof_int &&
test $ac_cv_sizeof_size_t = $ac_cv_sizeof_long], [
GLIB_CHECK_COMPILE_WARNINGS([AC_LANG_SOURCE([[
#if defined(_AIX) && !defined(__GNUC__)
#pragma options langlvl=stdc89
#endif
#include <stddef.h>
int main ()
{
size_t s = 1;
unsigned int *size_int = &s;
return (int)*size_int;
}
]])],glib_size_type=int,
[GLIB_CHECK_COMPILE_WARNINGS([AC_LANG_SOURCE([[
#if defined(_AIX) && !defined(__GNUC__)
#pragma options langlvl=stdc89
#endif
#include <stddef.h>
int main ()
{
size_t s = 1;
unsigned long *size_long = &s;
return (int)*size_long;
}
]])],glib_size_type=long)])
])
AC_MSG_RESULT(unsigned $glib_size_type)
AC_CHECK_SIZEOF(ssize_t)
dnl Try to figure out whether gssize should be long or int
AC_MSG_CHECKING([for the appropriate definition for ssize_t])
case $ac_cv_sizeof_ssize_t in
$ac_cv_sizeof_short)
glib_ssize_type=short
;;
$ac_cv_sizeof_int)
glib_ssize_type=int
;;
$ac_cv_sizeof_long)
glib_ssize_type=long
;;
$ac_cv_sizeof_long_long)
glib_ssize_type='long long'
;;
$ac_cv_sizeof__int64)
glib_ssize_type='__int64'
;;
*) AC_MSG_ERROR([No type matching ssize_t in size])
;;
esac
dnl If int/long are the same size, we see which one produces
dnl warnings when used in the location as ssize_t. (This matters
dnl on Android where ssize_t is long and size_t is unsigned int)
dnl
AS_IF([test $ac_cv_sizeof_ssize_t = $ac_cv_sizeof_int &&
test $ac_cv_sizeof_ssize_t = $ac_cv_sizeof_long], [
GLIB_CHECK_COMPILE_WARNINGS([AC_LANG_SOURCE([[
#if defined(_AIX) && !defined(__GNUC__)
#pragma options langlvl=stdc89
#endif
#include <stddef.h>
#ifdef HAVE_INTTYPES_H
# include <inttypes.h>
#endif
#ifdef HAVE_STDINT_H
# include <stdint.h>
#endif
#include <sys/types.h>
int main ()
{
ssize_t s = 1;
int *size_int = &s;
return (int)*size_int;
}
]])],glib_ssize_type=int,
[GLIB_CHECK_COMPILE_WARNINGS([AC_LANG_SOURCE([[
#if defined(_AIX) && !defined(__GNUC__)
#pragma options langlvl=stdc89
#endif
#include <stddef.h>
#ifdef HAVE_INTTYPES_H
# include <inttypes.h>
#endif
#ifdef HAVE_STDINT_H
# include <stdint.h>
#endif
#include <sys/types.h>
int main ()
{
ssize_t s = 1;
long *size_long = &s;
return (int)*size_long;
}
]])],glib_ssize_type=long)])
])
AC_MSG_RESULT($glib_ssize_type)
# Check for some functions
AC_CHECK_FUNCS(lstat strsignal vsnprintf stpcpy strcasecmp strncasecmp poll vasprintf setenv unsetenv getc_unlocked readlink symlink fdwalk memmem)
AC_CHECK_FUNCS(lchmod lchown fchmod fchown utimes getresuid)
AC_CHECK_FUNCS(getmntent_r setmntent endmntent hasmntopt getfsstat getvfsstat fallocate)
case $host_os in aix*) ac_cv_func_splice=no ;; esac # AIX splice() is something else
AC_CHECK_FUNCS(splice)
AC_CHECK_FUNCS(prlimit)
# To avoid finding a compatibility unusable statfs, which typically
# successfully compiles, but warns to use the newer statvfs interface:
AS_IF([test $ac_cv_header_sys_statvfs_h = yes], [AC_CHECK_FUNCS([statvfs])])
AS_IF([test $ac_cv_header_sys_statfs_h = yes -o $ac_cv_header_sys_mount_h = yes], [AC_CHECK_FUNCS([statfs])])
AC_MSG_CHECKING([whether to use statfs or statvfs])
# Some systems have both statfs and statvfs, pick the most "native" for these
AS_IF([test x$ac_cv_func_statfs = xyes && test x$ac_cv_func_statvfs = xyes],
[
# on solaris and irix, statfs doesn't even have the f_bavail field
AS_IF([test x$ac_cv_member_struct_statfs_f_bavail = xno],
[ac_cv_func_statfs=no],
# else, at least on linux, statfs is the actual syscall
[ac_cv_func_statvfs=no])
])
AS_IF([test x$ac_cv_func_statfs = xyes],
[
AC_DEFINE([USE_STATFS], [1], [Define to use statfs()])
AC_MSG_RESULT([statfs])
],
[test x$ac_cv_func_statvfs = xyes],
[
AC_DEFINE([USE_STATVFS], [1], [Define to use statvfs()])
AC_MSG_RESULT([statvfs])
],
[ AC_MSG_RESULT([neither])])
AC_CHECK_HEADERS(crt_externs.h)
AC_CHECK_FUNCS(_NSGetEnviron)
AC_CHECK_FUNCS(newlocale uselocale strtod_l strtoll_l strtoull_l)
# Internet address families
if test $glib_native_win32 = yes; then
glib_inet_includes=["
#include <winsock2.h>
"]
else
glib_inet_includes=["
#include <sys/types.h>
#include <sys/socket.h>
"]
fi
glib_failed=false
GLIB_CHECK_VALUE(AF_INET, $glib_inet_includes, glib_failed=true)
GLIB_CHECK_VALUE(AF_INET6, $glib_inet_includes, glib_failed=true)
# winsock defines this even though it doesn't support it
GLIB_CHECK_VALUE(AF_UNIX, $glib_inet_includes, glib_failed=true)
if $glib_failed ; then
AC_MSG_ERROR([Could not determine values for AF_INET* constants])
fi
glib_failed=false
GLIB_CHECK_VALUE(MSG_PEEK, $glib_inet_includes, glib_failed=true)
GLIB_CHECK_VALUE(MSG_OOB, $glib_inet_includes, glib_failed=true)
GLIB_CHECK_VALUE(MSG_DONTROUTE, $glib_inet_includes, glib_failed=true)
if $glib_failed ; then
AC_MSG_ERROR([Could not determine values for MSG_* constants])
fi
AC_CHECK_FUNCS(getprotobyname_r endservent if_nametoindex if_indextoname sendmmsg recvmmsg)
AS_IF([test $glib_native_win32 = yes], [
# <wspiapi.h> in the Windows SDK and in mingw-w64 has wrappers for
# inline workarounds for getaddrinfo, getnameinfo and freeaddrinfo if
# they aren't present at run-time (on Windows 2000).
AC_CHECK_HEADER([wspiapi.h], [WSPIAPI_INCLUDE="#include <wspiapi.h>"])
AC_SUBST(WSPIAPI_INCLUDE)
], [
# Android does not have C_IN in public headers, we define it wherever necessary
AS_IF([test $glib_native_android != yes], [
AC_MSG_CHECKING([if arpa/nameser_compat.h is needed])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
#include <arpa/nameser.h>],
[int qclass = C_IN;])],
[AC_MSG_RESULT([no])],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
#include <arpa/nameser.h>
#include <arpa/nameser_compat.h>],
[int qclass = C_IN;])],
[AC_MSG_RESULT([yes])
NAMESER_COMPAT_INCLUDE="#include <arpa/nameser_compat.h>"],
[AC_MSG_ERROR([could not compile test program either way])])])])
AC_SUBST(NAMESER_COMPAT_INCLUDE)
# We can't just use AC_CHECK_FUNC/AC_CHECK_LIB here. Bug 586150
NETWORK_LIBS=""
AC_MSG_CHECKING([for res_query])
AC_TRY_LINK([#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <resolv.h>
],[
res_query("test", 0, 0, (void *)0, 0);
],[AC_MSG_RESULT([yes])],
[save_libs="$LIBS"
LIBS="-lresolv $LIBS"
AC_TRY_LINK([#include <sys/types.h>