mirror of
https://github.com/facebook/zstd.git
synced 2025-10-31 00:04:03 -04:00
80 lines
3.2 KiB
CMake
80 lines
3.2 KiB
CMake
include(CheckCXXCompilerFlag)
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include(CheckCCompilerFlag)
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function(EnableCompilerFlag _flag _C _CXX)
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string(REGEX REPLACE "\\+" "PLUS" varname "${_flag}")
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string(REGEX REPLACE "[^A-Za-z0-9]+" "_" varname "${varname}")
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string(REGEX REPLACE "^_+" "" varname "${varname}")
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string(TOUPPER "${varname}" varname)
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if (_C)
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CHECK_C_COMPILER_FLAG(${_flag} C_FLAG_${varname})
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if (C_FLAG_${varname})
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_flag}" PARENT_SCOPE)
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endif ()
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endif ()
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if (_CXX)
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CHECK_CXX_COMPILER_FLAG(${_flag} CXX_FLAG_${varname})
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if (CXX_FLAG_${varname})
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${_flag}" PARENT_SCOPE)
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endif ()
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endif ()
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endfunction()
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macro(ADD_ZSTD_COMPILATION_FLAGS)
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if (CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang" OR MINGW) #Not only UNIX but also WIN32 for MinGW
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#Set c++11 by default
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EnableCompilerFlag("-std=c++11" false true)
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#Set c99 by default
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EnableCompilerFlag("-std=c99" true false)
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EnableCompilerFlag("-Wall" true true)
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EnableCompilerFlag("-Wextra" true true)
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EnableCompilerFlag("-Wundef" true true)
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EnableCompilerFlag("-Wshadow" true true)
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EnableCompilerFlag("-Wcast-align" true true)
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EnableCompilerFlag("-Wcast-qual" true true)
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EnableCompilerFlag("-Wstrict-prototypes" true false)
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# Enable asserts in Debug mode
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if (CMAKE_BUILD_TYPE MATCHES "Debug")
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EnableCompilerFlag("-DDEBUGLEVEL=1" true true)
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endif ()
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elseif (MSVC) # Add specific compilation flags for Windows Visual
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set(ACTIVATE_MULTITHREADED_COMPILATION "ON" CACHE BOOL "activate multi-threaded compilation (/MP flag)")
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if (CMAKE_GENERATOR MATCHES "Visual Studio" AND ACTIVATE_MULTITHREADED_COMPILATION)
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EnableCompilerFlag("/MP" true true)
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endif ()
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# UNICODE SUPPORT
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EnableCompilerFlag("/D_UNICODE" true true)
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EnableCompilerFlag("/DUNICODE" true true)
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# Enable asserts in Debug mode
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if (CMAKE_BUILD_TYPE MATCHES "Debug")
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EnableCompilerFlag("/DDEBUGLEVEL=1" true true)
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endif ()
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endif ()
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# Remove duplicates compilation flags
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foreach (flag_var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
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CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO
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CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
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CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
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if( ${flag_var} )
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separate_arguments(${flag_var})
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list(REMOVE_DUPLICATES ${flag_var})
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string(REPLACE ";" " " ${flag_var} "${${flag_var}}")
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endif()
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endforeach ()
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if (MSVC AND ZSTD_USE_STATIC_RUNTIME)
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foreach (flag_var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
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CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO
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CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
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CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
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if ( ${flag_var} )
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string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
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endif()
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endforeach ()
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endif ()
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endmacro()
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