diff options
| -rw-r--r-- | xorg-macros.m4.in | 53 |
1 files changed, 32 insertions, 21 deletions
diff --git a/xorg-macros.m4.in b/xorg-macros.m4.in index 8550ca0..9041542 100644 --- a/xorg-macros.m4.in +++ b/xorg-macros.m4.in @@ -1449,49 +1449,60 @@ AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"]) # -Werror=unused-command-line-argument # AC_DEFUN([XORG_TESTSET_CFLAG], [ -AC_REQUIRE([AC_PROG_CC_C99]) m4_if([$#], 0, [m4_fatal([XORG_TESTSET_CFLAG was given with an unsupported number of arguments])]) m4_if([$#], 1, [m4_fatal([XORG_TESTSET_CFLAG was given with an unsupported number of arguments])]) -xorg_testset_save_CFLAGS="$CFLAGS" +AC_LANG_COMPILER_REQUIRE + +AC_LANG_CASE( + [C], [ + AC_REQUIRE([AC_PROG_CC_C99]) + define([PREFIX], [C]) + ], + [C++], [ + define([PREFIX], [CXX]) + ] +) + +[xorg_testset_save_]PREFIX[FLAGS]="$PREFIX[FLAGS]" if test "x$xorg_testset_unknown_warning_option" = "x" ; then - CFLAGS="$CFLAGS -Werror=unknown-warning-option" - AC_CACHE_CHECK([if $CC supports -Werror=unknown-warning-option], - xorg_cv_cc_flag_unknown_warning_option, + PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unknown-warning-option" + AC_CACHE_CHECK([if compiler supports -Werror=unknown-warning-option], + xorg_cv_compiler_flag_unknown_warning_option, AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])], - [xorg_cv_cc_flag_unknown_warning_option=yes], - [xorg_cv_cc_flag_unknown_warning_option=no])) - xorg_testset_unknown_warning_option=$xorg_cv_cc_flag_unknown_warning_option - CFLAGS="$xorg_testset_save_CFLAGS" + [xorg_cv_compiler_flag_unknown_warning_option=yes], + [xorg_cv_compiler_flag_unknown_warning_option=no])) + xorg_testset_unknown_warning_option=$xorg_cv_compiler_flag_unknown_warning_option + PREFIX[FLAGS]="$[xorg_testset_save_]PREFIX[FLAGS]" fi if test "x$xorg_testset_unused_command_line_argument" = "x" ; then if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then - CFLAGS="$CFLAGS -Werror=unknown-warning-option" + PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unknown-warning-option" fi - CFLAGS="$CFLAGS -Werror=unused-command-line-argument" - AC_CACHE_CHECK([if $CC supports -Werror=unused-command-line-argument], - xorg_cv_cc_flag_unused_command_line_argument, + PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unused-command-line-argument" + AC_CACHE_CHECK([if compiler supports -Werror=unused-command-line-argument], + xorg_cv_compiler_flag_unused_command_line_argument, AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])], - [xorg_cv_cc_flag_unused_command_line_argument=yes], - [xorg_cv_cc_flag_unused_command_line_argument=no])) - xorg_testset_unused_command_line_argument=$xorg_cv_cc_flag_unused_command_line_argument - CFLAGS="$xorg_testset_save_CFLAGS" + [xorg_cv_compiler_flag_unused_command_line_argument=yes], + [xorg_cv_compiler_flag_unused_command_line_argument=no])) + xorg_testset_unused_command_line_argument=$xorg_cv_compiler_flag_unused_command_line_argument + PREFIX[FLAGS]="$[xorg_testset_save_]PREFIX[FLAGS]" fi found="no" m4_foreach([flag], m4_cdr($@), [ if test $found = "no" ; then if test "x$xorg_testset_unknown_warning_option" = "xyes" ; then - CFLAGS="$CFLAGS -Werror=unknown-warning-option" + PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unknown-warning-option" fi if test "x$xorg_testset_unused_command_line_argument" = "xyes" ; then - CFLAGS="$CFLAGS -Werror=unused-command-line-argument" + PREFIX[FLAGS]="$PREFIX[FLAGS] -Werror=unused-command-line-argument" fi - CFLAGS="$CFLAGS ]flag[" + PREFIX[FLAGS]="$PREFIX[FLAGS] ]flag[" dnl Some hackery here since AC_CACHE_VAL can't handle a non-literal varname AC_MSG_CHECKING([if $CC supports ]flag[]) @@ -1501,7 +1512,7 @@ dnl Some hackery here since AC_CACHE_VAL can't handle a non-literal varname [eval AS_TR_SH($cacheid)=yes], [eval AS_TR_SH($cacheid)=no])]) - CFLAGS="$xorg_testset_save_CFLAGS" + PREFIX[FLAGS]="$[xorg_testset_save_]PREFIX[FLAGS]" eval supported=$AS_TR_SH($cacheid) AC_MSG_RESULT([$supported]) |