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Enable strict aliasing warnings

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This commit is contained in:
Matt Clarkson 2015-05-05 12:13:20 +01:00
parent 36c1eb6975
commit 344775db63
1 changed files with 4 additions and 3 deletions
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7
CMakeLists.txt
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@ -40,15 +40,16 @@ add_cxx_compiler_flag(-pedantic-errors)
add_cxx_compiler_flag(-Wshorten-64-to-32) add_cxx_compiler_flag(-Wshorten-64-to-32)
add_cxx_compiler_flag(-Wfloat-equal) add_cxx_compiler_flag(-Wfloat-equal)
add_cxx_compiler_flag(-Wzero-as-null-pointer-constant) add_cxx_compiler_flag(-Wzero-as-null-pointer-constant)
add_cxx_compiler_flag(-fstrict-aliasing)
if (HAVE_CXX_FLAG_FSTRICT_ALIASING)
add_cxx_compiler_flag(-Wstrict-aliasing)
endif()
add_cxx_compiler_flag(-Wthread-safety) add_cxx_compiler_flag(-Wthread-safety)
if (HAVE_WTHREAD_SAFETY) if (HAVE_WTHREAD_SAFETY)
add_definitions(-DHAVE_WTHREAD_SAFETY) add_definitions(-DHAVE_WTHREAD_SAFETY)
cxx_feature_check(THREAD_SAFETY_ATTRIBUTES) cxx_feature_check(THREAD_SAFETY_ATTRIBUTES)
endif() endif()
# Release flags
add_cxx_compiler_flag(-fno-strict-aliasing RELEASE)
# Link time optimisation # Link time optimisation
if (BENCHMARK_ENABLE_LTO) if (BENCHMARK_ENABLE_LTO)
add_cxx_compiler_flag(-flto) add_cxx_compiler_flag(-flto)