From 44cf56d6e70dbe06a160b004494ba40dd4cfb426 Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 22 Jun 2000 08:29:58 +0000
Subject: 2000-06-22

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@775 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/mkmf.rb | 30 ++++++++++++++++--------------
 1 file changed, 16 insertions(+), 14 deletions(-)

(limited to 'lib')

diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 1ee1d680bc..d14f9bd55a 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -210,31 +210,33 @@ SRC
   return true
 end
 
-def have_func(func)
+def have_func(func, header=nil)
   printf "checking for %s()... ", func
   STDOUT.flush
 
   libs = $libs
-
-  if /mswin32|mingw/ =~ RUBY_PLATFORM
-    r = try_link(<<"SRC", libs)
+  src = 
+    if /mswin32|mingw/ =~ RUBY_PLATFORM
+      r = <<"SRC"
 #include <windows.h>
 #include <winsock.h>
+SRC
+    else
+      ""
+    end
+  unless header.nil?
+  src << <<"SRC"
+#include <#{header}>
+SRC
+  end
+  r = try_link(src + <<"SRC", libs)
 int main() { return 0; }
 int t() { #{func}(); return 0; }
 SRC
-    unless r
-      r = try_link(<<"SRC", libs)
-#include <windows.h>
-#include <winsock.h>
+  unless r
+    r = try_link(src + <<"SRC", libs)
 int main() { return 0; }
 int t() { void ((*p)()); p = (void ((*)()))#{func}; return 0; }
-SRC
-    end
-  else
-    r = try_link(<<"SRC", libs)
-int main() { return 0; }
-int t() { #{func}(); return 0; }
 SRC
   end
   unless r
-- 
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