From ab27f84b14a317d78a9dd145ef5c82e0ef88f583 Mon Sep 17 00:00:00 2001
From: Martin Lucina <mato@kotelna.sk>
Date: Thu, 18 Feb 2010 19:27:15 +0100
Subject: libstdc++ depends on libm on some platforms

---
 configure.in | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'configure.in')

diff --git a/configure.in b/configure.in
index 7fbc2cf..da7f0b1 100644
--- a/configure.in
+++ b/configure.in
@@ -58,8 +58,10 @@ AC_PROG_AWK
 AC_CHECK_LIB([pthread], [pthread_create])
 # If using GNU C++, libstdc++ must be available.
 if test "x$GXX" = "xyes"; then
+    # libstdc++ depends on libm on some platforms
+    AC_CHECK_LIB([m], [main])
     AC_CHECK_LIB([stdc++], [main], ,
-        [AC_MSG_ERROR([cannot link with -lstdc++])], [-lm])
+        [AC_MSG_ERROR([cannot link with -lstdc++])])
 fi
 
 # Extra CXXFLAGS are appended at the end of CXXFLAGS for libzmq.
-- 
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