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zstd/build/cmake/CMakeModules/AddZstdCompilationFlags.cmake

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Refactored AddExtraCompilationFlags - Easier addition of new flags - Removed flags not used by default - Removed implicit PIC flag for all targets
2017-03-16 08:24:33 -07:00
include(CheckCXXCompilerFlag)
include(CheckCCompilerFlag)
function(EnableCompilerFlag _flag _C _CXX)
CMake: don't recheck compile flags every time Doesn't cause a problem when embedded within a larger project, but is annoying.
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string(REGEX REPLACE "\\+" "PLUS" varname "${_flag}")
string(REGEX REPLACE "[^A-Za-z0-9]+" "_" varname "${varname}")
string(REGEX REPLACE "^_+" "" varname "${varname}")
string(TOUPPER "${varname}" varname)
Refactored AddExtraCompilationFlags - Easier addition of new flags - Removed flags not used by default - Removed implicit PIC flag for all targets
2017-03-16 08:24:33 -07:00
if (_C)
CMake: don't recheck compile flags every time Doesn't cause a problem when embedded within a larger project, but is annoying.
2017-04-20 15:54:17 -07:00
CHECK_C_COMPILER_FLAG(${_flag} C_FLAG_${varname})
if (C_FLAG_${varname})
CMake: don't modify global C_FLAGS and CXX_FLAGS
2017-04-20 15:55:48 -07:00
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_flag}" PARENT_SCOPE)
Refactored AddExtraCompilationFlags - Easier addition of new flags - Removed flags not used by default - Removed implicit PIC flag for all targets
2017-03-16 08:24:33 -07:00
endif ()
endif ()
if (_CXX)
CMake: don't recheck compile flags every time Doesn't cause a problem when embedded within a larger project, but is annoying.
2017-04-20 15:54:17 -07:00
CHECK_CXX_COMPILER_FLAG(${_flag} CXX_FLAG_${varname})
if (CXX_FLAG_${varname})
CMake: don't modify global C_FLAGS and CXX_FLAGS
2017-04-20 15:55:48 -07:00
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${_flag}" PARENT_SCOPE)
Refactored AddExtraCompilationFlags - Easier addition of new flags - Removed flags not used by default - Removed implicit PIC flag for all targets
2017-03-16 08:24:33 -07:00
endif ()
endif ()
endfunction()
STYLE: Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case.
2018-12-22 17:31:59 -08:00
macro(ADD_ZSTD_COMPILATION_FLAGS)
CMake: Fix version parsing and allow Unix flags on Clang
2017-03-21 13:44:33 -07:00
if (CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang" OR MINGW) #Not only UNIX but also WIN32 for MinGW
CMake build (Linux and Windows MSVC tested only) integration support added;
2016-01-07 02:37:00 -08:00
#Set c++11 by default
Refactored AddExtraCompilationFlags - Easier addition of new flags - Removed flags not used by default - Removed implicit PIC flag for all targets
2017-03-16 08:24:33 -07:00
EnableCompilerFlag("-std=c++11" false true)
CMake build (Linux and Windows MSVC tested only) integration support added;
2016-01-07 02:37:00 -08:00
#Set c99 by default
Refactored AddExtraCompilationFlags - Easier addition of new flags - Removed flags not used by default - Removed implicit PIC flag for all targets
2017-03-16 08:24:33 -07:00
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
CMake build (Linux and Windows MSVC tested only) integration support added;
2016-01-07 02:37:00 -08:00
Refactored AddExtraCompilationFlags - Easier addition of new flags - Removed flags not used by default - Removed implicit PIC flag for all targets
2017-03-16 08:24:33 -07:00
set(ACTIVATE_MULTITHREADED_COMPILATION "ON" CACHE BOOL "activate multi-threaded compilation (/MP flag)")
CMake improvements
2017-05-24 01:48:10 -07:00
if (CMAKE_GENERATOR MATCHES "Visual Studio" AND ACTIVATE_MULTITHREADED_COMPILATION)
Refactored AddExtraCompilationFlags - Easier addition of new flags - Removed flags not used by default - Removed implicit PIC flag for all targets
2017-03-16 08:24:33 -07:00
EnableCompilerFlag("/MP" true true)
endif ()
CMake structure reorganized; install and uninstall targets added;
2016-01-10 03:20:52 -08:00
# UNICODE SUPPORT
Refactored AddExtraCompilationFlags - Easier addition of new flags - Removed flags not used by default - Removed implicit PIC flag for all targets
2017-03-16 08:24:33 -07:00
EnableCompilerFlag("/D_UNICODE" true true)
EnableCompilerFlag("/DUNICODE" true true)
CMake build (Linux and Windows MSVC tested only) integration support added;
2016-01-07 02:37:00 -08:00
endif ()
# Remove duplicates compilation flags
STYLE: Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case.
2018-12-22 17:31:59 -08:00
foreach (flag_var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
Refactored AddExtraCompilationFlags - Easier addition of new flags - Removed flags not used by default - Removed implicit PIC flag for all targets
2017-03-16 08:24:33 -07:00
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)
separate_arguments(${flag_var})
list(REMOVE_DUPLICATES ${flag_var})
string(REPLACE ";" " " ${flag_var} "${${flag_var}}")
STYLE: Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case.
2018-12-22 17:31:59 -08:00
endforeach (flag_var)
CMake build (Linux and Windows MSVC tested only) integration support added;
2016-01-07 02:37:00 -08:00
CMake improvements
2017-05-24 01:48:10 -07:00
if (MSVC AND ZSTD_USE_STATIC_RUNTIME)
STYLE: Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case.
2018-12-22 17:31:59 -08:00
foreach (flag_var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
Refactored AddExtraCompilationFlags - Easier addition of new flags - Removed flags not used by default - Removed implicit PIC flag for all targets
2017-03-16 08:24:33 -07:00
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)
STYLE: Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case.
2018-12-22 17:31:59 -08:00
string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
endforeach (flag_var)
CMake build (Linux and Windows MSVC tested only) integration support added;
2016-01-07 02:37:00 -08:00
endif ()
STYLE: Convert CMake-language commands to lower case Ancient CMake versions required upper-case commands. Later command names became case-insensitive. Now the preferred style is lower-case.
2018-12-22 17:31:59 -08:00
endmacro(ADD_ZSTD_COMPILATION_FLAGS)