| include(CheckCXXCompilerFlag) |
| include(CheckCCompilerFlag) |
| |
| function(EnableCompilerFlag _flag _C _CXX) |
| string(REGEX REPLACE "\\+" "PLUS" varname "${_flag}") |
| string(REGEX REPLACE "[^A-Za-z0-9]+" "_" varname "${varname}") |
| string(REGEX REPLACE "^_+" "" varname "${varname}") |
| string(TOUPPER "${varname}" varname) |
| if (_C) |
| CHECK_C_COMPILER_FLAG(${_flag} C_FLAG_${varname}) |
| if (C_FLAG_${varname}) |
| set(CMAKE_C_FLAGS "${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}" PARENT_SCOPE) |
| endif () |
| endif () |
| endfunction() |
| |
| macro(ADD_ZSTD_COMPILATION_FLAGS) |
| if (CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang" OR MINGW) #Not only UNIX but also WIN32 for MinGW |
| #Set c++11 by default |
| EnableCompilerFlag("-std=c++11" false true) |
| #Set c99 by default |
| EnableCompilerFlag("-std=c99" true false) |
| EnableCompilerFlag("-Wall" true true) |
| EnableCompilerFlag("-Wextra" true true) |
| EnableCompilerFlag("-Wundef" true true) |
| EnableCompilerFlag("-Wshadow" true true) |
| EnableCompilerFlag("-Wcast-align" true true) |
| EnableCompilerFlag("-Wcast-qual" true true) |
| EnableCompilerFlag("-Wstrict-prototypes" true false) |
| elseif (MSVC) # Add specific compilation flags for Windows Visual |
| |
| set(ACTIVATE_MULTITHREADED_COMPILATION "ON" CACHE BOOL "activate multi-threaded compilation (/MP flag)") |
| if (CMAKE_GENERATOR MATCHES "Visual Studio" AND ACTIVATE_MULTITHREADED_COMPILATION) |
| EnableCompilerFlag("/MP" true true) |
| endif () |
| |
| # UNICODE SUPPORT |
| EnableCompilerFlag("/D_UNICODE" true true) |
| EnableCompilerFlag("/DUNICODE" true true) |
| endif () |
| |
| # Remove duplicates compilation flags |
| foreach (flag_var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE |
| CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO |
| CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE |
| CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO) |
| if( ${flag_var} ) |
| separate_arguments(${flag_var}) |
| list(REMOVE_DUPLICATES ${flag_var}) |
| string(REPLACE ";" " " ${flag_var} "${${flag_var}}") |
| endif() |
| endforeach () |
| |
| if (MSVC AND ZSTD_USE_STATIC_RUNTIME) |
| foreach (flag_var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE |
| CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO |
| CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE |
| CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO) |
| if ( ${flag_var} ) |
| string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}") |
| endif() |
| endforeach () |
| endif () |
| |
| endmacro() |
