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cmake: Log compiler flag at check time.

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Output the flag being checked before checking the flag to make it easier
to determine exactly which check failed.

Change-Id: I692f5287f985acb4a3061dd54f7c5a8729def83b
This commit is contained in:
Tom Finegan 2016-04-21 16:48:40 -07:00
parent 8bb68c2b3e
commit 5cf549f582
1 changed files with 1 additions and 0 deletions
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build/cxx_flags.cmake
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@ -11,6 +11,7 @@ include(CheckCXXCompilerFlag)
function (add_cxx_flag_if_supported cxx_flag)
unset(FLAG_SUPPORTED CACHE)
message("Checking compiler flag support for: " ${cxx_flag})
CHECK_CXX_COMPILER_FLAG("${cxx_flag}" FLAG_SUPPORTED)
if (FLAG_SUPPORTED)
set(CMAKE_CXX_FLAGS "${cxx_flag} ${CMAKE_CXX_FLAGS}" CACHE STRING "" FORCE)