From 74f94b3e6ebf15b76f3b357e754095412b006e94 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 8 Feb 2019 07:22:55 +0000
Subject: configure.ac: check finite,isinf,isnan as macros first

[ruby-core:91487] [Bug #15595]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67036 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 tool/m4/ruby_replace_funcs.m4 | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 tool/m4/ruby_replace_funcs.m4

(limited to 'tool')

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
+])
-- 
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