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AC_DEFUN([IGE_PLATFORM_CHECK],[
gdk_targets=`$PKG_CONFIG --variable=targets gtk+-3.0`
IGE_PLATFORM=
for gdk_target in $gdk_targets; do
if test "x$gdk_target" = "xquartz"; then
AC_MSG_CHECKING([checking for Mac OS X support])
carbon_ok=no
AC_TRY_CPP([
#include <Carbon/Carbon.h>
#include <CoreServices/CoreServices.h>
], carbon_ok=yes)
AC_MSG_RESULT($carbon_ok)
if test $carbon_ok = yes; then
IGE_PLATFORM=osx
IGE_PLATFORM_NAME="GTK+ OS X"
AC_DEFINE(HAVE_PLATFORM_OSX, 1, [whether GTK+ OS X is available])
break
fi
elif test "x$gdk_target" = "xx11"; then
IGE_PLATFORM=x11
IGE_PLATFORM_NAME="GTK+ X11"
AC_DEFINE(HAVE_PLATFORM_X11, 1, [whether GTK+ X11 is available])
break
fi
done
if test "x$IGE_PLATFORM" = "x"; then
AC_MSG_ERROR([Could not detect the platform])
fi
AM_CONDITIONAL(HAVE_PLATFORM_OSX, test $IGE_PLATFORM = osx)
AM_CONDITIONAL(HAVE_PLATFORM_X11, test $IGE_PLATFORM = x11)
])
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