From 8e1cdc4ce49c40313996f5dffa534c7236c3e08a Mon Sep 17 00:00:00 2001
From: Ray Speth <speth@mit.edu>
Date: Thu, 15 Dec 2011 00:04:08 +0000
Subject: [PATCH] Fixed attempt to link against libm with MSVC

---
 SConstruct     | 2 ++
 ext/SConscript | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/SConstruct b/SConstruct
index 511f35774..389bdb7f6 100644
--- a/SConstruct
+++ b/SConstruct
@@ -485,8 +485,10 @@ env['FORTRANMODDIR'] = '${TARGET.dir}'
 
 if env['CC'] == 'gcc':
     env['WIN32'] = False
+    env['LIBM'] = ['m']
 elif env['CC'] == 'cl':
     env['WIN32'] = True
+    env['LIBM'] = []
 else:
     assert False
 
diff --git a/ext/SConscript b/ext/SConscript
index 1f83711de..959725e37 100644
--- a/ext/SConscript
+++ b/ext/SConscript
@@ -21,7 +21,7 @@ if env['build_with_f2c']:
         # TODO: make link flag more general
         arithenv.Append(CPPFLAGS='-DNO_FPINIT')
         arithenv.Program('f2c_libs/arithchk/arithchk', source='f2c_libs/arithchk/arithchk.c',
-                         LIBS=['m'])
+                         LIBS=env['LIBM'])
         arithenv.Command('#ext/f2c_libs/arith.h', 'f2c_libs/arithchk/arithchk$PROGSUFFIX',
                          '$SOURCE > $TARGET')