From 79c7cc29d83772771100d2a10900de15a66af0f7 Mon Sep 17 00:00:00 2001
From: Shlomi Fish <shlomif@gmail.com>
Date: Sat, 16 Apr 2016 19:14:12 +0200
Subject: CXX flags dedup on CMake builds

(bzr r14854)
---
 CMakeScripts/CanonicalizeFlagsVar.cmake | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 CMakeScripts/CanonicalizeFlagsVar.cmake

(limited to 'CMakeScripts')

diff --git a/CMakeScripts/CanonicalizeFlagsVar.cmake b/CMakeScripts/CanonicalizeFlagsVar.cmake
new file mode 100644
index 000000000..ddc5b7b5d
--- /dev/null
+++ b/CMakeScripts/CanonicalizeFlagsVar.cmake
@@ -0,0 +1,11 @@
+# This file is copyright by Shlomi Fish, 2016.
+#
+# This file is licensed under the MIT/X11 license:
+# https://opensource.org/licenses/mit-license.php
+
+macro (canonicalize_flags_var in_val out_var)
+    string(REPLACE " " ";" _c "${in_val}")
+    list(REMOVE_DUPLICATES _c)
+    list(SORT _c)
+    string(REPLACE ";" " " "${out_var}" "${_c}")
+endmacro()
-- 
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