mirror of
https://github.com/reactos/CMake.git
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667f0724a8
This commit updates the test's sanity check to allow Intel too. Previously it refused to run on non-MSVC compilers.
59 lines
2.4 KiB
CMake
59 lines
2.4 KiB
CMake
cmake_minimum_required (VERSION 2.6)
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PROJECT(PrecompiledHeader C)
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# Make sure the proper compiler is in use.
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IF(NOT MSVC AND NOT "${CMAKE_C_COMPILER_ID}" MATCHES "^(Intel)$")
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MESSAGE(FATAL_ERROR "The PrecompiledHeader test works only with MSVC or Intel")
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ENDIF()
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# Compute a custom name for the precompiled header.
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IF(CMAKE_CONFIGURATION_TYPES)
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SET(PCH_DIR "${CMAKE_CURRENT_BINARY_DIR}/PCH/${CMAKE_CFG_INTDIR}")
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FOREACH(cfg ${CMAKE_CONFIGURATION_TYPES})
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FILE(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/PCH/${cfg})
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ENDFOREACH()
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ELSE(CMAKE_CONFIGURATION_TYPES)
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SET(PCH_DIR "${CMAKE_CURRENT_BINARY_DIR}/PCH")
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FILE(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/PCH)
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ENDIF(CMAKE_CONFIGURATION_TYPES)
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# The VS6 IDE does not support renaming .pch files with /Fp.
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IF("${CMAKE_GENERATOR}" MATCHES "Visual Studio 6")
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SET(PCH_USE_INCLUDE_DIR 1)
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SET(PCH_FILE)
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ELSE("${CMAKE_GENERATOR}" MATCHES "Visual Studio 6")
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SET(PCH_USE_INCLUDE_DIR 0)
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SET(PCH_FILE "\"/Fp${PCH_DIR}/foo_precompiled.pch\"")
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ENDIF("${CMAKE_GENERATOR}" MATCHES "Visual Studio 6")
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# Choose between an explicit include path and using /I during
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# precompilation. The /I form is used to test that the PCH is
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# actually used. In practice the include path form would be used.
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IF(PCH_USE_INCLUDE_DIR)
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INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/include)
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ELSE(PCH_USE_INCLUDE_DIR)
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SET(PCH_INCLUDE_DIR "\"/I${CMAKE_CURRENT_SOURCE_DIR}/include\"")
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ENDIF(PCH_USE_INCLUDE_DIR)
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# Create a target that will use a precompiled header.
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SET(foo_SRCS foo1.c foo2.c)
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ADD_EXECUTABLE(foo foo_precompile.c ${foo_SRCS})
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# Setup flags on the target to create and use the precompiled header.
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SET_TARGET_PROPERTIES(foo PROPERTIES
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COMPILE_FLAGS "/Yufoo_precompiled.h /FIfoo_precompiled.h ${PCH_FILE}")
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SET_SOURCE_FILES_PROPERTIES(foo_precompile.c PROPERTIES
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COMPILE_FLAGS "/Ycfoo_precompiled.h ${PCH_INCLUDE_DIR}")
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# Setup dependencies for precompiled header creation and use. The VS
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# IDE takes care of this automatically.
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IF("${CMAKE_GENERATOR}" MATCHES "Makefile")
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# This source file creates the precompiled header as a side-effect.
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SET_SOURCE_FILES_PROPERTIES(foo_precompile.c PROPERTIES
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OBJECT_OUTPUTS "${PCH_DIR}/foo_precompiled.pch")
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# These source files use the precompiled header.
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SET_SOURCE_FILES_PROPERTIES(${foo_SRCS} PROPERTIES
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OBJECT_DEPENDS "${PCH_DIR}/foo_precompiled.pch")
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ENDIF("${CMAKE_GENERATOR}" MATCHES "Makefile")
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