From 13158f86e3904284dce3dad36b64f07414459551 Mon Sep 17 00:00:00 2001
From: rmanfredi <rmanfredi@2592e710-e01b-42a5-8df0-11608a6cc53d>
Date: Sat, 27 Nov 2010 11:55:39 +0000
Subject: Applied mega patch from Christian Biere to greatly improve feature
 detection and make a huge step towards better support for cross-compiling.

git-svn-id: svn://svn.code.sf.net/p/dist/code/trunk/dist@34 2592e710-e01b-42a5-8df0-11608a6cc53d
---
 mcon/U/d_link.U | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

(limited to 'mcon/U/d_link.U')

diff --git a/mcon/U/d_link.U b/mcon/U/d_link.U
index cd5d889..8929d83 100644
--- a/mcon/U/d_link.U
+++ b/mcon/U/d_link.U
@@ -12,7 +12,7 @@
 ?RCS: Revision 3.0.1.1  1993/08/25  14:01:13  ram
 ?RCS: patch6: created for completeness
 ?RCS:
-?MAKE:d_link: Inlibc
+?MAKE:d_link: Trylink cat i_unistd
 ?MAKE:	-pick add $@ %<
 ?S:d_link:
 ?S:	This variable conditionally defines HAS_LINK if link() is
@@ -26,6 +26,18 @@
 ?H:.
 ?LINT:set d_link
 : see if link exists
-set link d_link
-eval $inlibc
+$cat >try.c <<EOC
+#$i_unistd I_UNISTD
+#ifdef I_UNISTD
+#include <unistd.h>
+#endif
+int main(void)
+{
+	static int ret;
+	ret |= link("path1", "path2");
+	return ret ? 0 : 1;
+}
+EOC
+set d_link
+eval $trylink
 
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