diff options
Diffstat (limited to 'tool/m4/ruby_shared_gc.m4')
| -rw-r--r-- | tool/m4/ruby_shared_gc.m4 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tool/m4/ruby_shared_gc.m4 b/tool/m4/ruby_shared_gc.m4 new file mode 100644 index 0000000000..a27b9b8505 --- /dev/null +++ b/tool/m4/ruby_shared_gc.m4 @@ -0,0 +1,19 @@ +dnl -*- Autoconf -*- +AC_DEFUN([RUBY_SHARED_GC],[ +AC_ARG_WITH(shared-gc, + AS_HELP_STRING([--with-shared-gc], + [Enable replacement of Ruby's GC from a shared library.]), + [with_shared_gc=$withval], [unset with_shared_gc] +) + +AC_SUBST([with_shared_gc]) +AC_MSG_CHECKING([if Ruby is build with shared GC support]) +AS_IF([test "$with_shared_gc" = "yes"], [ + AC_MSG_RESULT([yes]) + AC_DEFINE([USE_SHARED_GC], [1]) +], [ + AC_MSG_RESULT([no]) + with_shared_gc="no" + AC_DEFINE([USE_SHARED_GC], [0]) +]) +])dnl |