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Use internal CMake compiler version directly

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This commit is contained in:
Joel Johnson 2020-02-18 13:56:26 -07:00
parent 524234e479
commit 3f0d63b5a9
1 changed files with 2 additions and 9 deletions
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9
src/lib_json/CMakeLists.txt
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@ -1,14 +1,7 @@
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU") if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 4.1.2)
#Get compiler version.
execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpversion
OUTPUT_VARIABLE GNUCXX_VERSION
)
#-Werror=* was introduced -after- GCC 4.1.2 #-Werror=* was introduced -after- GCC 4.1.2
if(GNUCXX_VERSION VERSION_GREATER 4.1.2)
add_compile_options("-Werror=strict-aliasing") add_compile_options("-Werror=strict-aliasing")
endif() endif()
endif()
include(CheckIncludeFileCXX) include(CheckIncludeFileCXX)
include(CheckTypeSize) include(CheckTypeSize)