From 39da20beb3165ef759161b9467c9c98fd314bc08 Mon Sep 17 00:00:00 2001 From: Jaroslav Kysela Date: Tue, 20 Oct 2020 13:27:16 +0200 Subject: [PATCH] add _AC_LANG_COMPILER_GNU workaround to m4/ax_prog_cc_for_build.m4 Signed-off-by: Jaroslav Kysela --- m4/ax_prog_cc_for_build.m4 | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/m4/ax_prog_cc_for_build.m4 b/m4/ax_prog_cc_for_build.m4 index f7410d7..c3af7be 100644 --- a/m4/ax_prog_cc_for_build.m4 +++ b/m4/ax_prog_cc_for_build.m4 @@ -34,6 +34,23 @@ #serial 18 + +# _AC_LANG_COMPILER_GNU +# --------------------- +# This is hacked version to bypass the cache. --jk +m4_define([_AC_LANG_COMPILER_GNU], +[AC_MSG_CHECKING([whether we are using the GNU _AC_LANG compiler]) + _AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[#ifndef __GNUC__ + choke me +#endif +]])], + [ac_compiler_gnu=yes], + [ac_compiler_gnu=no]) +ac_cv_[]_AC_LANG_ABBREV[]_compiler_gnu=$ac_compiler_gnu +AC_MSG_RESULT([$ac_compiler_gnu]) +])# _AC_LANG_COMPILER_GNU + + AU_ALIAS([AC_PROG_CC_FOR_BUILD], [AX_PROG_CC_FOR_BUILD]) AC_DEFUN([AX_PROG_CC_FOR_BUILD], [dnl AC_REQUIRE([AC_PROG_CC])dnl -- 2.47.1