From f9b3b49a3432f6d9a487dc57d8e206037b0e953f Mon Sep 17 00:00:00 2001
From: Kalev Lember <klember@redhat.com>
Date: Fri, 25 Sep 2015 12:21:28 +0200
Subject: [PATCH] Fix the build with MinGW headers

Guard _USE_MATH_DEFINES with _WIN32 instead of _MSC_VER as it is needed
for MinGW builds as well. While at this, also remove a duplicate version
of the exact same define a few lines below.

https://bugs.freedesktop.org/show_bug.cgi?id=92112
---
 cairomm/context.cc | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/cairomm/context.cc b/cairomm/context.cc
index 9b74ca0..466f7e3 100644
--- a/cairomm/context.cc
+++ b/cairomm/context.cc
@@ -17,9 +17,9 @@
  */
 
 /* M_PI is defined in math.h in the case of Microsoft Visual C++ */
-#if defined(_MSC_VER)
+#if defined(_WIN32)
 #define _USE_MATH_DEFINES
-#endif 
+#endif
 
 #include <cairommconfig.h>
 #include <cairomm/context.h>
@@ -29,11 +29,6 @@
 #include <cairomm/script_surface.h>
 #include <cairomm/scaledfont.h>
 
-/* M_PI is defined in math.h in the case of Microsoft Visual C++ */
-#if defined(_MSC_VER)
-#define _USE_MATH_DEFINES
-#endif
-
 /* Solaris et. al. need math.h for M_PI too */
 #include <cmath>
 
-- 
2.5.0