commit 12a6027b40ee0fa9e744d1d25333a2650fd9aed7
author Victor Zverovich <victor.zverovich@gmail.com> Fri Aug 05 08:22:45 2016 -0700
committer Victor Zverovich <victor.zverovich@gmail.com> Fri Aug 05 08:22:45 2016 -0700
tree 1050ad94949fd1c405234bf1179a94f587010938
parent a5d0adf3953f0ae3e698d5b5702d1e5a7bf3d87e

Don't use -std compiler flag if CMAKE_CXX_STANDARD is specified (#366)

support/cmake/cxx11.cmake

diff --git a/support/cmake/cxx11.cmake b/support/cmake/cxx11.cmake
index 31ea106..02795a9 100644
--- a/support/cmake/cxx11.cmake
+++ b/support/cmake/cxx11.cmake
@@ -37,6 +37,11 @@
   endif ()
 endif ()
 
+if (CMAKE_CXX_STANDARD)
+  # Don't use -std compiler flag if CMAKE_CXX_STANDARD is specified.
+  set(CPP11_FLAG )
+endif ()
+
 set(CMAKE_REQUIRED_FLAGS ${CPP11_FLAG})
 
 # Check if variadic templates are working and not affected by GCC bug 39653: