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CMake: don't modify global C_FLAGS and CXX_FLAGS

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This commit is contained in:
Michael Maltese 2017-04-20 15:55:48 -07:00
parent 377401f161
commit 9eda436733
1 changed files with 4 additions and 17 deletions
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21
build/cmake/CMakeModules/AddZstdCompilationFlags.cmake
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@ -9,13 +9,13 @@ function(EnableCompilerFlag _flag _C _CXX)
if (_C)
CHECK_C_COMPILER_FLAG(${_flag} C_FLAG_${varname})
if (C_FLAG_${varname})
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_flag}" CACHE INTERNAL "C Flags")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_flag}" PARENT_SCOPE)
endif ()
endif ()
if (_CXX)
CHECK_CXX_COMPILER_FLAG(${_flag} CXX_FLAG_${varname})
if (CXX_FLAG_${varname})
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${_flag}" CACHE INTERNAL "CXX Flags")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${_flag}" PARENT_SCOPE)
endif ()
endif ()
endfunction()
@ -69,8 +69,7 @@ MACRO(ADD_ZSTD_COMPILATION_FLAGS)
separate_arguments(${flag_var})
list(REMOVE_DUPLICATES ${flag_var})
string(REPLACE ";" " " ${flag_var} "${${flag_var}}")
set(${flag_var} "${${flag_var}}" CACHE STRING "common build flags" FORCE)
ENDFOREACH (flag_var)
ENDFOREACH (flag_var)
if (MSVC)
# Replace /MT to /MD flag
@ -81,19 +80,7 @@ MACRO(ADD_ZSTD_COMPILATION_FLAGS)
CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
STRING(REGEX REPLACE "/MT" "/MD" ${flag_var} "${${flag_var}}")
STRING(REGEX REPLACE "/O2" "/Ox" ${flag_var} "${${flag_var}}")
ENDFOREACH (flag_var)
ENDFOREACH (flag_var)
endif ()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" CACHE STRING "Updated flags" FORCE)
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}" CACHE STRING "Updated flags" FORCE)
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}" CACHE STRING "Updated flags" FORCE)
set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL}" CACHE STRING "Updated flags" FORCE)
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO}" CACHE STRING "Updated flags" FORCE)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}" CACHE STRING "Updated flags" FORCE)
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}" CACHE STRING "Updated flags" FORCE)
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}" CACHE STRING "Updated flags" FORCE)
set(CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS_MINSIZEREL}" CACHE STRING "Updated flags" FORCE)
set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO}" CACHE STRING "Updated flags" FORCE)
ENDMACRO(ADD_ZSTD_COMPILATION_FLAGS)