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-rw-r--r--tool/m4/ruby_replace_funcs.m413
1 files changed, 13 insertions, 0 deletions
diff --git a/tool/m4/ruby_replace_funcs.m4 b/tool/m4/ruby_replace_funcs.m4
new file mode 100644
index 0000000000..d0612e29a0
--- /dev/null
+++ b/tool/m4/ruby_replace_funcs.m4
@@ -0,0 +1,13 @@
+# -*- Autoconf -*-
+dnl RUBY_REPLACE_FUNC [func] [included]
+AC_DEFUN([RUBY_REPLACE_FUNC], [dnl
+ AC_CHECK_DECL([$1],dnl
+ [AC_DEFINE(AS_TR_CPP(HAVE_[$1]))],dnl
+ [AC_REPLACE_FUNCS($1)],dnl
+ [$2])dnl
+])
+
+dnl RUBY_REPLACE_FUNCS [funcs] [included]
+AC_DEFUN([RUBY_REPLACE_FUNCS] [dnl
+ m4_map_args_w([$1], [RUBY_REPLACE_FUNC(], [), [$2]])dnl
+])