move strict compiler checks into a header so its easier to manage in one place (pragmas were copied around).

also enable more strict warnings for BLF (which had some incorrect casts).

1 files changed, 38 insertions, 0 deletions

diff --git a/source/blender/blenlib/BLI_strict_flags.h b/source/blender/blenlib/BLI_strict_flags.h
new file mode 100644
index 00000000000..0f41c95a035
--- /dev/null
+++ b/source/blender/blenlib/BLI_strict_flags.h
@@ -0,0 +1,38 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+#ifndef __BLI_STRICT_FLAGS_H__
+#define __BLI_STRICT_FLAGS_H__
+
+/** \file BLI_strict_flags.h
+ * \ingroup bli
+ * \brief Strict compiler flags for areas of code we want
+ * to ensure don't do conversions without us knowing about it.
+ */
+
+#ifdef __GNUC__
+#  pragma GCC diagnostic error "-Wsign-conversion"
+#  if (__GNUC__ * 100 + __GNUC_MINOR__) >= 406  /* gcc4.6+ only */
+#    pragma GCC diagnostic error "-Wsign-compare"
+#    pragma GCC diagnostic error "-Wconversion"
+#  endif
+#endif
+
+#endif  /* __BLI_STRICT_FLAGS_H__ */