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authorNobuyoshi Nakada <nobu@ruby-lang.org>2022-01-23 00:37:55 +0900
committerNobuyoshi Nakada <nobu@ruby-lang.org>2022-01-23 01:02:11 +0900
commit355bc371962e57f5e4b5365a2db752cbb8d673ee (patch)
tree4f0a4d53e959ed83768a30a52c80419064ac4c71
parentad150a14598980095260add74474498a642ab5ba (diff)
downloadruby-355bc371962e57f5e4b5365a2db752cbb8d673ee.tar.gz
Reuse the default `AC_LANG_PROGRAM(C)` definition
-rw-r--r--tool/m4/ruby_try_cflags.m410
1 files changed, 1 insertions, 9 deletions
diff --git a/tool/m4/ruby_try_cflags.m4 b/tool/m4/ruby_try_cflags.m4
index 228fe65245..672f4f8e51 100644
--- a/tool/m4/ruby_try_cflags.m4
+++ b/tool/m4/ruby_try_cflags.m4
@@ -3,15 +3,7 @@ dnl
dnl Autoconf 2.67 fails to detect `-Werror=old-style-definition` due
dnl to the old style definition of `main`.
m4_version_prereq([2.70], [], [
-m4_define([AC_LANG_PROGRAM(C)],
-[$1
-int
-main (void)
-{
-$2
- ;
- return 0;
-}])
+m4_defun([AC_LANG_PROGRAM(C)], m4_bpatsubst(m4_defn([AC_LANG_PROGRAM(C)]), [main ()], [main (void)]))
])dnl
dnl
AC_DEFUN([RUBY_TRY_CFLAGS], [