215 lines
8 KiB
CMake
215 lines
8 KiB
CMake
|
# - Try to find precompiled headers support for GCC 3.4 and 4.x (and MSVC)
|
||
|
|
# Once done this will define:
|
||
|
|
#
|
||
|
|
# Variable:
|
||
|
|
# PCHSupport_FOUND
|
||
|
|
#
|
||
|
|
# ADD_PRECOMPILED_HEADER _targetName _inputh _inputcpp
|
||
|
|
# ADD_PRECOMPILED_HEADER_TO_TARGET _targetName _input _pch_output_to_use
|
||
|
|
# ADD_NATIVE_PRECOMPILED_HEADER _targetName _inputh _inputcpp
|
||
|
|
|
||
|
|
IF(CMAKE_COMPILER_IS_GNUCXX)
|
||
|
|
|
||
|
|
EXEC_PROGRAM(
|
||
|
|
${CMAKE_CXX_COMPILER}
|
||
|
|
ARGS ${CMAKE_CXX_COMPILER_ARG1} -dumpversion
|
||
|
|
OUTPUT_VARIABLE gcc_compiler_version)
|
||
|
|
|
||
|
|
IF(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]")
|
||
|
|
SET(PCHSupport_FOUND TRUE)
|
||
|
|
ELSE(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]")
|
||
|
|
IF(gcc_compiler_version MATCHES "3\\.4\\.[0-9]")
|
||
|
|
SET(PCHSupport_FOUND TRUE)
|
||
|
|
ENDIF(gcc_compiler_version MATCHES "3\\.4\\.[0-9]")
|
||
|
|
ENDIF(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]")
|
||
|
|
|
||
|
|
SET(_PCH_include_prefix "-I")
|
||
|
|
|
||
|
|
ELSE(CMAKE_COMPILER_IS_GNUCXX)
|
||
|
|
|
||
|
|
IF(WIN32)
|
||
|
|
SET(PCHSupport_FOUND TRUE) # for experimental msvc support
|
||
|
|
SET(_PCH_include_prefix "/I")
|
||
|
|
ELSE(WIN32)
|
||
|
|
SET(PCHSupport_FOUND FALSE)
|
||
|
|
ENDIF(WIN32)
|
||
|
|
|
||
|
|
ENDIF(CMAKE_COMPILER_IS_GNUCXX)
|
||
|
|
|
||
|
|
MACRO(_PCH_GET_COMPILE_FLAGS _out_compile_flags)
|
||
|
|
STRING(TOUPPER "CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE}" _flags_var_name)
|
||
|
|
SET(${_out_compile_flags} ${${_flags_var_name}} )
|
||
|
|
|
||
|
|
IF(CMAKE_COMPILER_IS_GNUCXX)
|
||
|
|
GET_TARGET_PROPERTY(_targetType ${_PCH_current_target} TYPE)
|
||
|
|
IF((${_targetType} STREQUAL SHARED_LIBRARY) OR (${_targetType} STREQUAL MODULE_LIBRARY))
|
||
|
|
LIST(APPEND ${_out_compile_flags} "-fPIC")
|
||
|
|
ENDIF((${_targetType} STREQUAL SHARED_LIBRARY) OR (${_targetType} STREQUAL MODULE_LIBRARY))
|
||
|
|
ELSE(CMAKE_COMPILER_IS_GNUCXX)
|
||
|
|
## TODO ... ? or does it work out of the box
|
||
|
|
ENDIF(CMAKE_COMPILER_IS_GNUCXX)
|
||
|
|
|
||
|
|
GET_DIRECTORY_PROPERTY(DIRINC INCLUDE_DIRECTORIES )
|
||
|
|
FOREACH(item ${DIRINC})
|
||
|
|
LIST(APPEND ${_out_compile_flags} " ${_PCH_include_prefix}\"${item}\"")
|
||
|
|
ENDFOREACH(item)
|
||
|
|
|
||
|
|
GET_DIRECTORY_PROPERTY(_directory_flags DEFINITIONS)
|
||
|
|
GET_DIRECTORY_PROPERTY(_global_definitions DIRECTORY ${CMAKE_SOURCE_DIR} DEFINITIONS)
|
||
|
|
LIST(APPEND ${_out_compile_flags} ${_directory_flags})
|
||
|
|
LIST(APPEND ${_out_compile_flags} ${_global_definitions})
|
||
|
|
LIST(APPEND ${_out_compile_flags} ${CMAKE_CXX_FLAGS})
|
||
|
|
|
||
|
|
SEPARATE_ARGUMENTS(${_out_compile_flags})
|
||
|
|
ENDMACRO(_PCH_GET_COMPILE_FLAGS)
|
||
|
|
|
||
|
|
MACRO(_PCH_GET_PDB_FILENAME out_filename _target)
|
||
|
|
# determine output directory based on target type
|
||
|
|
GET_TARGET_PROPERTY(_targetType ${_target} TYPE)
|
||
|
|
IF(${_targetType} STREQUAL EXECUTABLE)
|
||
|
|
SET(_targetOutput ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
|
||
|
|
ELSEIF(${_targetType} STREQUAL STATIC_LIBRARY)
|
||
|
|
SET(_targetOutput ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY})
|
||
|
|
ELSE(${_targetType} STREQUAL EXECUTABLE)
|
||
|
|
SET(_targetOutput ${CMAKE_LIBRARY_OUTPUT_DIRECTORY})
|
||
|
|
ENDIF(${_targetType} STREQUAL EXECUTABLE)
|
||
|
|
|
||
|
|
# determine target postfix
|
||
|
|
STRING(TOUPPER "${CMAKE_BUILD_TYPE}_POSTFIX" _postfix_var_name)
|
||
|
|
GET_TARGET_PROPERTY(_targetPostfix ${_target} ${_postfix_var_name})
|
||
|
|
IF(${_targetPostfix} MATCHES NOTFOUND)
|
||
|
|
SET(_targetPostfix "")
|
||
|
|
ENDIF(${_targetPostfix} MATCHES NOTFOUND)
|
||
|
|
|
||
|
|
SET(${out_filename} "${_targetOutput}/${_target}${_targetPostfix}.pdb")
|
||
|
|
ENDMACRO(_PCH_GET_PDB_FILENAME)
|
||
|
|
|
||
|
|
MACRO(_PCH_GET_COMPILE_COMMAND out_command _input _inputcpp _output)
|
||
|
|
IF(CMAKE_CXX_COMPILER_ARG1)
|
||
|
|
# remove leading space in compiler argument
|
||
|
|
STRING(REGEX REPLACE "^ +" "" pchsupport_compiler_cxx_arg1 ${CMAKE_CXX_COMPILER_ARG1})
|
||
|
|
ELSE(CMAKE_CXX_COMPILER_ARG1)
|
||
|
|
SET(pchsupport_compiler_cxx_arg1 "")
|
||
|
|
ENDIF(CMAKE_CXX_COMPILER_ARG1)
|
||
|
|
|
||
|
|
IF(CMAKE_COMPILER_IS_GNUCXX)
|
||
|
|
SET(${out_command}
|
||
|
|
${CMAKE_CXX_COMPILER} ${pchsupport_compiler_cxx_arg1} ${_compile_FLAGS} -x c++-header -o ${_output} -c ${_input}
|
||
|
|
)
|
||
|
|
ELSE(CMAKE_COMPILER_IS_GNUCXX)
|
||
|
|
_PCH_GET_PDB_FILENAME(PDB_FILE ${_PCH_current_target})
|
||
|
|
SET(${out_command}
|
||
|
|
${CMAKE_CXX_COMPILER} ${pchsupport_compiler_cxx_arg1} ${_compile_FLAGS} /Yc /Fp\"${_output}\" ${_inputcpp} /c /Fd\"${PDB_FILE}\"
|
||
|
|
)
|
||
|
|
ENDIF(CMAKE_COMPILER_IS_GNUCXX)
|
||
|
|
ENDMACRO(_PCH_GET_COMPILE_COMMAND )
|
||
|
|
|
||
|
|
MACRO(GET_PRECOMPILED_HEADER_OUTPUT _targetName _input _output)
|
||
|
|
IF(MSVC)
|
||
|
|
GET_FILENAME_COMPONENT(_name ${_input} NAME_WE)
|
||
|
|
SET(_output "${CMAKE_CURRENT_BINARY_DIR}/${_name}.pch")
|
||
|
|
ELSE(MSVC)
|
||
|
|
GET_FILENAME_COMPONENT(_name ${_input} NAME)
|
||
|
|
SET(_output "${CMAKE_CURRENT_BINARY_DIR}/${_name}.gch")
|
||
|
|
ENDIF(MSVC)
|
||
|
|
ENDMACRO(GET_PRECOMPILED_HEADER_OUTPUT _targetName _input)
|
||
|
|
|
||
|
|
MACRO(ADD_PRECOMPILED_HEADER_TO_TARGET _targetName _input _pch_output_to_use )
|
||
|
|
IF(CMAKE_COMPILER_IS_GNUCXX)
|
||
|
|
# to do: test whether compiler flags match between target _targetName
|
||
|
|
# and _pch_output_to_use
|
||
|
|
FILE(TO_NATIVE_PATH ${_pch_output_to_use} _native_pch_path)
|
||
|
|
|
||
|
|
# for use with distcc and gcc >4.0.1 if preprocessed files are accessible
|
||
|
|
# on all remote machines set
|
||
|
|
# PCH_ADDITIONAL_COMPILER_FLAGS to -fpch-preprocess
|
||
|
|
SET(_target_cflags "${PCH_ADDITIONAL_COMPILER_FLAGS}-include ${_input} -Winvalid-pch")
|
||
|
|
ELSE(CMAKE_COMPILER_IS_GNUCXX)
|
||
|
|
IF(MSVC)
|
||
|
|
GET_TARGET_PROPERTY(oldProps ${_targetName} COMPILE_FLAGS)
|
||
|
|
IF(${oldProps} MATCHES NOTFOUND)
|
||
|
|
SET(oldProps "")
|
||
|
|
ENDIF(${oldProps} MATCHES NOTFOUND)
|
||
|
|
|
||
|
|
SET(_target_cflags "${oldProps} /Yu\"${_input}\" /FI\"${_input}\" /Fp\"${_pch_output_to_use}\"")
|
||
|
|
ENDIF(MSVC)
|
||
|
|
ENDIF(CMAKE_COMPILER_IS_GNUCXX)
|
||
|
|
|
||
|
|
SET_TARGET_PROPERTIES(${_targetName} PROPERTIES COMPILE_FLAGS ${_target_cflags})
|
||
|
|
ADD_CUSTOM_TARGET(pch_Generate_${_targetName} DEPENDS ${_pch_output_to_use})
|
||
|
|
ADD_DEPENDENCIES(${_targetName} pch_Generate_${_targetName})
|
||
|
|
ENDMACRO(ADD_PRECOMPILED_HEADER_TO_TARGET)
|
||
|
|
|
||
|
|
MACRO(ADD_PRECOMPILED_HEADER _targetName _inputh _inputcpp)
|
||
|
|
|
||
|
|
SET(_PCH_current_target ${_targetName})
|
||
|
|
|
||
|
|
IF(NOT CMAKE_BUILD_TYPE)
|
||
|
|
MESSAGE(FATAL_ERROR
|
||
|
|
"This is the ADD_PRECOMPILED_HEADER macro. "
|
||
|
|
"You must set CMAKE_BUILD_TYPE!"
|
||
|
|
)
|
||
|
|
ENDIF(NOT CMAKE_BUILD_TYPE)
|
||
|
|
|
||
|
|
GET_PRECOMPILED_HEADER_OUTPUT( ${_targetName} ${_inputh} _output)
|
||
|
|
|
||
|
|
GET_TARGET_PROPERTY(_targetType ${_PCH_current_target} TYPE)
|
||
|
|
|
||
|
|
# always build static library because it doesn't need linking
|
||
|
|
ADD_LIBRARY(${_targetName}_pch_dephelp STATIC ${_inputcpp})
|
||
|
|
|
||
|
|
_PCH_GET_COMPILE_FLAGS(_compile_FLAGS)
|
||
|
|
|
||
|
|
SET_SOURCE_FILES_PROPERTIES(${_inputh} PROPERTIES GENERATED 1)
|
||
|
|
|
||
|
|
_PCH_GET_COMPILE_COMMAND(_command ${_inputh} ${_inputcpp} ${_output})
|
||
|
|
|
||
|
|
ADD_CUSTOM_COMMAND(
|
||
|
|
OUTPUT ${_output}
|
||
|
|
COMMAND ${_command}
|
||
|
|
DEPENDS ${_inputh} ${_targetName}_pch_dephelp
|
||
|
|
)
|
||
|
|
|
||
|
|
ADD_PRECOMPILED_HEADER_TO_TARGET(${_targetName} ${_inputh} ${_output})
|
||
|
|
ENDMACRO(ADD_PRECOMPILED_HEADER)
|
||
|
|
|
||
|
|
MACRO(ADD_NATIVE_PRECOMPILED_HEADER _targetName _inputh _inputcpp)
|
||
|
|
IF(CMAKE_GENERATOR MATCHES Visual*)
|
||
|
|
# Auto include the precompile (useful for moc processing, since the use of
|
||
|
|
# precompiled is specified at the target level
|
||
|
|
# and I don't want to specifiy /F- for each moc/res/ui generated files (using Qt)
|
||
|
|
|
||
|
|
GET_TARGET_PROPERTY(oldProps ${_targetName} COMPILE_FLAGS)
|
||
|
|
IF(${oldProps} MATCHES NOTFOUND)
|
||
|
|
SET(oldProps "")
|
||
|
|
ENDIF(${oldProps} MATCHES NOTFOUND)
|
||
|
|
|
||
|
|
SET(newProperties "${oldProps} /Yu\"${_inputh}\" /FI\"${_inputh}\"")
|
||
|
|
SET_TARGET_PROPERTIES(${_targetName} PROPERTIES COMPILE_FLAGS "${newProperties}")
|
||
|
|
|
||
|
|
#also inlude ${oldProps} to have the same compile options
|
||
|
|
SET_SOURCE_FILES_PROPERTIES(${_inputcpp} PROPERTIES COMPILE_FLAGS "${oldProps} /Yc\"${_inputh}\"")
|
||
|
|
ELSE(CMAKE_GENERATOR MATCHES Visual*)
|
||
|
|
IF(CMAKE_GENERATOR MATCHES Xcode)
|
||
|
|
# For Xcode, cmake needs my patch to process
|
||
|
|
# GCC_PREFIX_HEADER and GCC_PRECOMPILE_PREFIX_HEADER as target properties
|
||
|
|
|
||
|
|
GET_TARGET_PROPERTY(oldProps ${_targetName} COMPILE_FLAGS)
|
||
|
|
IF(${oldProps} MATCHES NOTFOUND)
|
||
|
|
SET(oldProps "")
|
||
|
|
ENDIF(${oldProps} MATCHES NOTFOUND)
|
||
|
|
|
||
|
|
# When buiding out of the tree, precompiled may not be located
|
||
|
|
# Use full path instead.
|
||
|
|
GET_FILENAME_COMPONENT(fullPath ${_inputh} ABSOLUTE)
|
||
|
|
|
||
|
|
SET_TARGET_PROPERTIES(${_targetName} PROPERTIES XCODE_ATTRIBUTE_GCC_PREFIX_HEADER "${fullPath}")
|
||
|
|
SET_TARGET_PROPERTIES(${_targetName} PROPERTIES XCODE_ATTRIBUTE_GCC_PRECOMPILE_PREFIX_HEADER "YES")
|
||
|
|
ELSE(CMAKE_GENERATOR MATCHES Xcode)
|
||
|
|
#Fallback to the "old" precompiled suppport
|
||
|
|
ADD_PRECOMPILED_HEADER(${_targetName} ${_inputh} ${_inputcpp})
|
||
|
|
ENDIF(CMAKE_GENERATOR MATCHES Xcode)
|
||
|
|
ENDIF(CMAKE_GENERATOR MATCHES Visual*)
|
||
|
|
|
||
|
|
ENDMACRO(ADD_NATIVE_PRECOMPILED_HEADER)
|