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| author | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-01-20 07:05:25 +0000 |
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| committer | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-01-20 07:05:25 +0000 |
| commit | 0664a6377a7fc51e6d96d7b69361cc457e248b00 (patch) | |
| tree | 73693b397f6eeae289b23379ce433dc6d3691419 /tool/m4/ruby_cppoutfile.m4 | |
| parent | 645e441c32ea5379aef712a9d9a26a6db2c1740b (diff) | |
| download | ruby-0664a6377a7fc51e6d96d7b69361cc457e248b00.tar.gz | |
refactor split configure.ac into files
This does not (yet) change anything. The generated configure file
is the identical to previous one (except several empty lines added
and deleted).
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61981 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'tool/m4/ruby_cppoutfile.m4')
| -rw-r--r-- | tool/m4/ruby_cppoutfile.m4 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tool/m4/ruby_cppoutfile.m4 b/tool/m4/ruby_cppoutfile.m4 new file mode 100644 index 0000000000..d5af3e02d0 --- /dev/null +++ b/tool/m4/ruby_cppoutfile.m4 @@ -0,0 +1,17 @@ +AC_DEFUN([RUBY_CPPOUTFILE], +[AC_CACHE_CHECK(whether ${CPP} accepts -o, rb_cv_cppoutfile, +[save_CPPFLAGS="$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]) +CPPFLAGS="$save_CPPFLAGS" +rm -f conftest*]) +AS_IF([test "$rb_cv_cppoutfile" = yes], [ + CPPOUTFILE='-o conftest.i' +], [test "$rb_cv_cppoutfile" = no], [ + CPPOUTFILE='> conftest.i' +], [test -n "$rb_cv_cppoutfile"], [ + CPPOUTFILE="$rb_cv_cppoutfile" +]) +AC_SUBST(CPPOUTFILE)])dnl |