Add -std=c++11 flag only if supported by compiler.

54c3ed92 · Victor Zverovich · 3937644a · 54c3ed92
Commit 54c3ed92 authored Sep 07, 2013 by Victor Zverovich
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CMakeLists.txt CMakeLists.txt +3 -1

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--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,7 +12,9 @@ project(FORMAT)
 include(CheckCXXCompilerFlag)
 check_cxx_compiler_flag(-std=c++11 HAVE_STD_CPP11_FLAG)
-add_definitions(-std=c++11)
+if (HAVE_STD_CPP11_FLAG)
+  add_definitions(-std=c++11)
+endif ()
 add_library(format format.cc)
 if (CMAKE_COMPILER_IS_GNUCXX)