diff options
Diffstat (limited to 'tool/m4/ruby_cppoutfile.m4')
| -rw-r--r-- | tool/m4/ruby_cppoutfile.m4 | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tool/m4/ruby_cppoutfile.m4 b/tool/m4/ruby_cppoutfile.m4 index 7c81c4f354..495ae0aae4 100644 --- a/tool/m4/ruby_cppoutfile.m4 +++ b/tool/m4/ruby_cppoutfile.m4 @@ -4,8 +4,8 @@ AC_DEFUN([RUBY_CPPOUTFILE], [save_CPPFLAGS="$CPPFLAGS" CPPFLAGS='-o conftest-1.i' rb_cv_cppoutfile=no -AC_TRY_CPP([test-for-cppout], - [grep test-for-cppout conftest-1.i > /dev/null && rb_cv_cppoutfile=yes]) +AC_PREPROC_IFELSE([AC_LANG_SOURCE([[test-for-cppout]])], + [grep test-for-cppout conftest-1.i > /dev/null && rb_cv_cppoutfile=yes]) CPPFLAGS="$save_CPPFLAGS" rm -f conftest*]) AS_IF([test "$rb_cv_cppoutfile" = yes], [ |