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dnl Turn on the additional warnings last, so -Werror doesn't affect other tests.
AC_DEFUN([IMENDIO_COMPILE_WARNINGS],[
if test -f $srcdir/autogen.sh; then
default_compile_warnings="error"
else
default_compile_warnings="no"
fi
AC_ARG_WITH(compile-warnings, [ --with-compile-warnings=[no/yes/error] Compiler warnings ], [enable_compile_warnings="$withval"], [enable_compile_warnings="$default_compile_warnings"])
warnCFLAGS=
if test "x$GCC" != xyes; then
enable_compile_warnings=no
fi
warning_flags=
realsave_CFLAGS="$CFLAGS"
case "$enable_compile_warnings" in
no)
warning_flags=
;;
yes)
warning_flags="-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations"
;;
maximum|error)
warning_flags="-Wall -Wunused -Wchar-subscripts -Wmissing-declarations -Wmissing-prototypes -Wnested-externs -Wpointer-arith"
CFLAGS="$warning_flags $CFLAGS"
for option in -Wno-sign-compare; do
SAVE_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $option"
AC_MSG_CHECKING([whether gcc understands $option])
AC_TRY_COMPILE([], [],
has_option=yes,
has_option=no,)
CFLAGS="$SAVE_CFLAGS"
AC_MSG_RESULT($has_option)
if test $has_option = yes; then
warning_flags="$warning_flags $option"
fi
unset has_option
unset SAVE_CFLAGS
done
unset option
if test "$enable_compile_warnings" = "error" ; then
warning_flags="$warning_flags -Werror"
fi
;;
*)
AC_MSG_ERROR(Unknown argument '$enable_compile_warnings' to --enable-compile-warnings)
;;
esac
CFLAGS="$realsave_CFLAGS"
AC_MSG_CHECKING(what warning flags to pass to the C compiler)
AC_MSG_RESULT($warning_flags)
WARN_CFLAGS="$warning_flags"
AC_SUBST(WARN_CFLAGS)
])
AC_DEFUN([IGE_PLATFORM_CHECK],[
gdk_target=`$PKG_CONFIG --variable=target gtk+-2.0`
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 $carbon_ok = yes; then
IGE_PLATFORM=osx
IGE_PLATFORM_NAME="GTK+ OS X"
AC_DEFINE(HAVE_PLATFORM_OSX, 1, [whether GTK+ OS X is available])
fi
elif test "x$gdk_target" = "xx11"; then
IGE_PLATFORM=x11
IGE_PLATFORM_NAME="GTK+ X11"
AC_DEFINE(HAVE_PLATFORM_X11, 1, [whether GTK+ X11 is available])
else
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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