2 files changed, 6 insertions, 4 deletions
diff --git a/cgal.pri b/cgal.pri
index 05ec6f4..c065044 100644
--- a/cgal.pri
+++ b/cgal.pri
@@ -13,12 +13,14 @@ cgal {
     }
   }
 
-  win32 {
+  windows {
+    *-g++* { 
+      QMAKE_CXXFLAGS += -frounding-math 
+    }
     LIBS += $$CGAL_DIR/auxiliary/gmp/lib/libmpfr-4.lib -lCGAL-vc90-mt-s
   } else {
     LIBS += -lgmp -lmpfr -lCGAL
-    # FIXME: We should put this back for the Windows gcc-build 
-    QMAKE_CXXFLAGS += -frounding-math # visual C++ doesn't have this
+    QMAKE_CXXFLAGS += -frounding-math 
   }
 
 }
diff --git a/openscad.pro b/openscad.pro
index 7408c5e..027576d 100644
--- a/openscad.pro
+++ b/openscad.pro
@@ -60,7 +60,7 @@ win32:QMAKE_CXXFLAGS += -wd4100
 
 # disable Eigen SIMD optimizations for non-Mac OSX
 !macx {
-  !unix:freebsd-g++ {
+  !freebsd-g++ {
     QMAKE_CXXFLAGS += -DEIGEN_DONT_ALIGN
   }
 }