mirror of
https://github.com/reactos/CMake.git
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101 lines
3.3 KiB
CMake
101 lines
3.3 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#-----------------------------------------------------------------------------
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# set some special flags for different compilers
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#
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if(WIN32 AND CMAKE_C_COMPILER_ID STREQUAL "Intel")
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set(_INTEL_WINDOWS 1)
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endif()
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# Disable deprecation warnings for standard C functions.
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# really only needed for newer versions of VS, but should
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# not hurt other versions, and this will work into the
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# future
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if(MSVC OR _INTEL_WINDOWS)
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add_definitions(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
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else()
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endif()
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if(MSVC)
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -stack:10000000")
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endif()
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#silence duplicate symbol warnings on AIX
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if(CMAKE_SYSTEM_NAME MATCHES "AIX")
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if(NOT CMAKE_COMPILER_IS_GNUCXX)
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -bhalt:5 ")
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endif()
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endif()
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if(CMAKE_SYSTEM MATCHES "OSF1-V")
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if(NOT CMAKE_COMPILER_IS_GNUCXX)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -timplicit_local -no_implicit_include ")
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endif()
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endif()
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# Workaround for short jump tables on PA-RISC
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if(CMAKE_SYSTEM_PROCESSOR MATCHES "^parisc")
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if(CMAKE_COMPILER_IS_GNUCC)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mlong-calls")
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endif()
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if(CMAKE_COMPILER_IS_GNUCXX)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mlong-calls")
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endif()
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endif()
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if (CMAKE_CXX_COMPILER_ID STREQUAL SunPro AND
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NOT DEFINED CMAKE_CXX${CMAKE_CXX_STANDARD}_STANDARD_COMPILE_OPTION)
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.13)
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if (NOT CMAKE_CXX_STANDARD OR CMAKE_CXX_STANDARD EQUAL 98)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++03")
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elseif(CMAKE_VERSION VERSION_LESS 3.8.20170502)
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# CMake knows how to add this flag for compilation as C++11,
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# but has not been taught that SunPro needs it for linking too.
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# Add it in a place that will be used for both.
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
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endif()
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else()
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -library=stlport4")
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endif()
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endif()
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foreach(lang C CXX)
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# Suppress warnings from PGI compiler.
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if (CMAKE_${lang}_COMPILER_ID STREQUAL "PGI")
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set(CMAKE_${lang}_FLAGS "${CMAKE_${lang}_FLAGS} -w")
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endif()
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endforeach()
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# use the ansi CXX compile flag for building cmake
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if (CMAKE_ANSI_CXXFLAGS)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_ANSI_CXXFLAGS}")
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endif ()
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if (CMAKE_ANSI_CFLAGS)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${CMAKE_ANSI_CFLAGS}")
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endif ()
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# Allow per-translation-unit parallel builds when using MSVC
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if(CMAKE_GENERATOR MATCHES "Visual Studio" AND
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(CMAKE_C_COMPILER_ID MATCHES "MSVC|Intel" OR
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CMAKE_CXX_COMPILER_ID MATCHES "MSVC|Intel"))
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set(CMake_MSVC_PARALLEL ON CACHE STRING "\
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Enables /MP flag for parallel builds using MSVC. Specify an \
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integer value to control the number of threads used (Only \
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works on some older versions of Visual Studio). Setting to \
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ON lets the toolchain decide how many threads to use. Set to \
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OFF to disable /MP completely." )
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if(CMake_MSVC_PARALLEL)
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if(CMake_MSVC_PARALLEL GREATER 0)
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string(APPEND CMAKE_C_FLAGS " /MP${CMake_MSVC_PARALLEL}")
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string(APPEND CMAKE_CXX_FLAGS " /MP${CMake_MSVC_PARALLEL}")
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else()
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string(APPEND CMAKE_C_FLAGS " /MP")
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string(APPEND CMAKE_CXX_FLAGS " /MP")
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endif()
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endif()
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endif()
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