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dnl AG_GST_PLATFORM
dnl Check for platform specific features and define some variables
dnl
dnl GST_EXTRA_MODULE_SUFFIX: contains a platform specific
dnl extra module suffix additional to G_MODULE_SUFFIX
dnl
dnl HAVE_OSX: Defined if compiling for OS X
dnl
dnl GST_HAVE_UNSAFE_FORK: Defined if fork is unsafe (Windows)
dnl
dnl HAVE_WIN32: Defined if compiling on Win32
dnl
AC_DEFUN([AG_GST_PLATFORM],
[
AC_REQUIRE([AC_CANONICAL_HOST])
case $host_os in
rhapsody*)
AC_DEFINE_UNQUOTED(GST_EXTRA_MODULE_SUFFIX, [".dylib"], [Extra platform specific plugin suffix])
;;
darwin*)
AC_DEFINE_UNQUOTED(GST_EXTRA_MODULE_SUFFIX, [".dylib"], [Extra platform specific plugin suffix])
AC_DEFINE_UNQUOTED(HAVE_OSX, 1, [Defined if compiling for OSX])
;;
cygwin*)
AC_DEFINE_UNQUOTED(GST_HAVE_UNSAFE_FORK, 1, [Defined when registry scanning through fork is unsafe])
;;
mingw* | msvc* | mks*)
dnl HAVE_WIN32 currently means "disable POSIXisms".
AC_DEFINE_UNQUOTED(HAVE_WIN32, 1, [Defined if compiling for Windows])
dnl define __MSVCRT_VERSION__ version if not set already by the
dnl compiler (ie. mostly for mingw). This is needed for things like
dnl __stat64 to be available. If set by the compiler, ensure it's
dnl new enough - we need at least WinXP SP2.
AC_TRY_COMPILE([ ], [ return __MSVCRT_VERSION__; ], [
AC_TRY_COMPILE([ ], [
#if __MSVCRT_VERSION__ < 0x0601
#error "MSVCRT too old"
#endif
], [
AC_MSG_NOTICE([MSVCRT version looks ok])
], [
AC_MSG_ERROR([MSVCRT version too old, need at least WinXP SP2])
])
], [
AC_MSG_NOTICE([Setting MSVCRT version to 0x0601])
AC_DEFINE_UNQUOTED(__MSVCRT_VERSION__, 0x0601, [We need at least WinXP SP2 for __stat64])
])
;;
*)
;;
esac
])
AC_DEFUN([AG_GST_LIBTOOL_PREPARE],
[
dnl Persuade libtool to also link (-l) a 'pure' (DirectX) static lib,
dnl i.e. as opposed to only import lib with dll counterpart.
dnl Needs to be tweaked before libtool's checks.
case $host_os in
cygwin* | mingw*)
lt_cv_deplibs_check_method=pass_all
;;
esac
])
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