62 lines
No EOL
2.6 KiB
CMake
62 lines
No EOL
2.6 KiB
CMake
macro( precompiled_header includes header_name build_pch)
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if( ${CMAKE_COMPILER_IS_GNUCXX})
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message(STATUS "precompiled header generation")
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# Get the compiler flags for this build type
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string( TOUPPER "CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE}" flags_for_build_name )
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set( compile_flags ${${flags_for_build_name}} )
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# Add all the Qt include directories
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foreach( item ${${includes}} )
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list( APPEND compile_flags "-I${item}" )
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endforeach()
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# Get the list of all build-independent preprocessor definitions
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get_directory_property( defines_global COMPILE_DEFINITIONS )
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list( APPEND defines ${defines_global} )
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# Get the list of all build-dependent preprocessor definitions
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string( TOUPPER "COMPILE_DEFINITIONS_${CMAKE_BUILD_TYPE}" defines_for_build_name )
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get_directory_property( defines_build ${defines_for_build_name} )
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list( APPEND defines ${defines_build} )
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# Add the "-D" prefix to all of them
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foreach( item ${defines} )
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list( APPEND all_define_flags "-D${item}" )
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endforeach()
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list( APPEND compile_flags ${all_define_flags} )
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# Prepare the compile flags var for passing to GCC
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separate_arguments( compile_flags )
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set (PCH_HEADER "${PROJECT_BINARY_DIR}/${header_name}.h")
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set (PCH_INCLUDE "-include ${PCH_HEADER}")
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if( ${build_pch} )
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set (PCH ${PROJECT_BINARY_DIR}/${header_name}.h.gch)
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add_custom_command(
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OUTPUT ${PROJECT_BINARY_DIR}/${header_name}.h.gch
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COMMAND ${CMAKE_CXX_COMPILER} -x c++-header -g ${compile_flags} -o ${header_name}.h.gch ${header_name}.h
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DEPENDS ${PROJECT_BINARY_DIR}/${header_name}.h
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WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
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VERBATIM
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)
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else ( ${build_pch} )
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message(STATUS "No precompiled header")
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endif( ${build_pch} )
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endif()
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endmacro()
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# Xcode PCH support. Has to be called *AFTER* the target is created.
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# "header_name" - the name of the PCH header, without the extension; "all" or something similar;
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# note that the source file compiling the header needs to have the same name
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macro( xcode_pch target_name header_name )
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if( APPLE )
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set_target_properties(
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${target_name}
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PROPERTIES
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XCODE_ATTRIBUTE_GCC_PREFIX_HEADER "${PROJECT_BINARY_DIR}/${header_name}.h"
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XCODE_ATTRIBUTE_GCC_PRECOMPILE_PREFIX_HEADER "YES"
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)
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endif()
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endmacro() |