cmake: add pch for gcc, it's sooo hairy, disable by default

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@32303 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Peter Kümmel 2009-12-03 21:58:44 +00:00
parent 01ede7f591
commit fbd326a0a0
10 changed files with 378 additions and 24 deletions

View File

@ -11,17 +11,20 @@ if(COMMAND cmake_policy)
cmake_policy(SET CMP0005 OLD)
endif(COMMAND cmake_policy)
set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
project(lyx)
option(lyxinstall "Build install projects/rules" ON)
set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
# where to look first for cmake modules, before ${CMAKE_ROOT}/Modules/
# is checked
set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/modules")
set(EXECUTABLE_OUTPUT_PATH ${CMAKE_BINARY_DIR}/bin)
option(lyxinstall "Build install projects/rules" ON)
# Supress regeneration
set(CMAKE_SUPPRESS_REGENERATION TRUE)
@ -262,29 +265,46 @@ endforeach(_v)
message(STATUS "")
if(MSVC AND NOT disable-pch AND NOT MERGE_FILES)
# PCHs not supported by cmake: http://www.cmake.org/Bug/view.php?id=1260
# Not sure if it works for all non-msvc compilers
include(PCHSupport_26)
if (MSVC)
option(disable-pch "Disable precompiled headers" OFF)
else()
option(disable-pch "Disable precompiled headers" ON)
endif()
if(NOT disable-pch)
message(STATUS "-----")
message(STATUS "----- using precompiled headers, disable with -Ddisable-pch=1")
message(STATUS "-----")
configure_file(${CMAKE_SOURCE_DIR}/pcheaders.h
${CMAKE_BINARY_DIR}/pcheaders.h)
configure_file(${CMAKE_SOURCE_DIR}/config.cpp.cmake
${CMAKE_BINARY_DIR}/config_pch.cpp)
macro(lyx_add_msvc_pch name_)
set_source_files_properties(${${name_}_sources} PROPERTIES
COMPILE_FLAGS "/Yuconfig.h /Fp\$(IntDir)/config.pch")
set_source_files_properties(${CMAKE_BINARY_DIR}/config_pch.cpp PROPERTIES
COMPILE_FLAGS "/Ycconfig.h /Fp\$(IntDir)/config.pch")
set(${name_}_sources ${${name_}_sources} ${CMAKE_BINARY_DIR}/config_pch.cpp
${CMAKE_BINARY_DIR}/pcheaders.h)
add_definitions(/DLYX_ENABLE_PCH)
endmacro(lyx_add_msvc_pch)
set(CMAKE_CXX_FLAGS_DEBUG
"${CMAKE_CXX_FLAGS_DEBUG} /DLYX_PCH_STL /DLYX_PCH_BOOST /DLYX_PCH_QT4")
set(CMAKE_CXX_FLAGS_RELEASE
"${CMAKE_CXX_FLAGS_RELEASE} /DLYX_PCH_STL /DLYX_PCH_BOOST /DLYX_PCH_QT4")
set(CMAKE_CXX_FLAGS_MINSIZEREL
"${CMAKE_CXX_FLAGS_MINSIZEREL} /DLYX_PCH_STL /DLYX_PCH_BOOST")
configure_file(${CMAKE_SOURCE_DIR}/pcheaders.h ${CMAKE_BINARY_DIR}/pcheaders.h)
configure_file(${CMAKE_SOURCE_DIR}/config.cpp.cmake ${CMAKE_BINARY_DIR}/config_pch.cpp)
if(MSVC AND NOT MERGE_FILES)
macro(lyx_add_msvc_pch name_)
set_source_files_properties(${${name_}_sources} PROPERTIES
COMPILE_FLAGS "/Yuconfig.h /Fp\$(IntDir)/config.pch")
set_source_files_properties(${CMAKE_BINARY_DIR}/config_pch.cpp PROPERTIES
COMPILE_FLAGS "/Ycconfig.h /Fp\$(IntDir)/config.pch")
set(${name_}_sources ${${name_}_sources} ${CMAKE_BINARY_DIR}/config_pch.cpp
${CMAKE_BINARY_DIR}/pcheaders.h)
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /DLYX_PCH_STL /DLYX_PCH_BOOST /DLYX_PCH_QT4")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /DLYX_PCH_STL /DLYX_PCH_BOOST /DLYX_PCH_QT4")
set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} /DLYX_PCH_STL /DLYX_PCH_BOOST")
endmacro(lyx_add_msvc_pch)
macro(lyx_add_gcc_pch name_)
endmacro()
else()
macro(lyx_add_msvc_pch name_)
endmacro()
macro(lyx_add_gcc_pch name_)
add_definitions(-DLYX_ENABLE_PCH -DLYX_PCH_STL -DLYX_PCH_BOOST -DLYX_PCH_QT4)
ADD_PRECOMPILED_HEADER(${name_} ${CMAKE_BINARY_DIR}/config_pch.cpp ${CMAKE_BINARY_DIR}/config.h.gch)
endmacro()
endif()
else()
if(MSVC)
message(STATUS "-----")
@ -294,6 +314,8 @@ else()
set(disable-pch TRUE CACHE TYPE STRING)
macro(lyx_add_msvc_pch)
endmacro(lyx_add_msvc_pch)
macro(lyx_add_gcc_pch name_)
endmacro()
endif()
if(MSVC)

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@ -0,0 +1,319 @@
# - Try to find precompiled headers support for GCC 3.4 and 4.x
# Once done this will define:
#
# Variable:
# PCHSupport_FOUND
#
# Macro:
# ADD_PRECOMPILED_HEADER _targetName _input _dowarn
# ADD_PRECOMPILED_HEADER_TO_TARGET _targetName _input _pch_output_to_use _dowarn
# ADD_NATIVE_PRECOMPILED_HEADER _targetName _input _dowarn
# GET_NATIVE_PRECOMPILED_HEADER _targetName _input
IF(CMAKE_COMPILER_IS_GNUCXX)
EXEC_PROGRAM(
${CMAKE_CXX_COMPILER}
ARGS ${CMAKE_CXX_COMPILER_ARG1} -dumpversion
OUTPUT_VARIABLE gcc_compiler_version)
#MESSAGE("GCC Version: ${gcc_compiler_version}")
IF(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]")
SET(PCHSupport_FOUND TRUE)
ELSE(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]")
IF(gcc_compiler_version MATCHES "3\\.4\\.[0-9]")
SET(PCHSupport_FOUND TRUE)
ENDIF(gcc_compiler_version MATCHES "3\\.4\\.[0-9]")
ENDIF(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]")
SET(_PCH_include_prefix "-I")
ELSE(CMAKE_COMPILER_IS_GNUCXX)
IF(WIN32)
SET(PCHSupport_FOUND TRUE) # for experimental msvc support
SET(_PCH_include_prefix "/I")
ELSE(WIN32)
SET(PCHSupport_FOUND FALSE)
ENDIF(WIN32)
ENDIF(CMAKE_COMPILER_IS_GNUCXX)
MACRO(_PCH_GET_COMPILE_FLAGS _out_compile_flags)
STRING(TOUPPER "CMAKE_CXX_FLAGS_${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)
LIST(APPEND ${_out_compile_flags} "${${_out_compile_flags}} -fPIC")
ENDIF(${_targetType} STREQUAL SHARED_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)
#MESSAGE("_directory_flags ${_directory_flags}" )
LIST(APPEND ${_out_compile_flags} ${_directory_flags})
LIST(APPEND ${_out_compile_flags} ${CMAKE_CXX_FLAGS} )
SEPARATE_ARGUMENTS(${_out_compile_flags})
ENDMACRO(_PCH_GET_COMPILE_FLAGS)
MACRO(_PCH_WRITE_PCHDEP_CXX _targetName _include_file _dephelp)
SET(${_dephelp} ${CMAKE_CURRENT_BINARY_DIR}/${_targetName}_pch_dephelp.cxx)
FILE(WRITE ${${_dephelp}}
"#include \"${_include_file}\"
int testfunction()
{
return 0;
}
"
)
ENDMACRO(_PCH_WRITE_PCHDEP_CXX )
MACRO(_PCH_GET_COMPILE_COMMAND out_command _input _output)
FILE(TO_NATIVE_PATH ${_input} _native_input)
FILE(TO_NATIVE_PATH ${_output} _native_output)
IF(CMAKE_COMPILER_IS_GNUCXX)
IF(CMAKE_CXX_COMPILER_ARG1)
# remove leading space in compiler argument
STRING(REGEX REPLACE "^ +" "" pchsupport_compiler_cxx_arg1 ${CMAKE_CXX_COMPILER_ARG1})
SET(${out_command}
${CMAKE_CXX_COMPILER} ${pchsupport_compiler_cxx_arg1} ${_compile_FLAGS} -x c++-header -o ${_output} ${_input}
)
ELSE(CMAKE_CXX_COMPILER_ARG1)
SET(${out_command}
${CMAKE_CXX_COMPILER} ${_compile_FLAGS} -x c++-header -o ${_output} ${_input}
)
ENDIF(CMAKE_CXX_COMPILER_ARG1)
ELSE(CMAKE_COMPILER_IS_GNUCXX)
SET(_dummy_str "#include <${_input}>")
FILE(WRITE ${CMAKE_CURRENT_BINARY_DIR}/pch_dummy.cpp ${_dummy_str})
SET(${out_command}
${CMAKE_CXX_COMPILER} ${_compile_FLAGS} /c /Fp${_native_output} /Yc${_native_input} pch_dummy.cpp
)
#/out:${_output}
ENDIF(CMAKE_COMPILER_IS_GNUCXX)
ENDMACRO(_PCH_GET_COMPILE_COMMAND )
MACRO(_PCH_GET_TARGET_COMPILE_FLAGS _cflags _header_name _pch_path _dowarn )
FILE(TO_NATIVE_PATH ${_pch_path} _native_pch_path)
IF(CMAKE_COMPILER_IS_GNUCXX)
# for use with distcc and gcc >4.0.1 if preprocessed files are accessible
# on all remote machines set
# PCH_ADDITIONAL_COMPILER_FLAGS to -fpch-preprocess
# if you want warnings for invalid header files (which is very inconvenient
# if you have different versions of the headers for different build types
# you may set _pch_dowarn
IF (_dowarn)
SET(${_cflags} "${PCH_ADDITIONAL_COMPILER_FLAGS} -include ${CMAKE_CURRENT_BINARY_DIR}/${_header_name} -Winvalid-pch " )
ELSE (_dowarn)
SET(${_cflags} "${PCH_ADDITIONAL_COMPILER_FLAGS} -include ${CMAKE_CURRENT_BINARY_DIR}/${_header_name} " )
ENDIF (_dowarn)
ELSE(CMAKE_COMPILER_IS_GNUCXX)
set(${_cflags} "/Fp${_native_pch_path} /Yu${_header_name}" )
ENDIF(CMAKE_COMPILER_IS_GNUCXX)
ENDMACRO(_PCH_GET_TARGET_COMPILE_FLAGS )
MACRO(GET_PRECOMPILED_HEADER_OUTPUT _targetName _input _output)
GET_FILENAME_COMPONENT(_name ${_input} NAME)
GET_FILENAME_COMPONENT(_path ${_input} PATH)
SET(_output "${CMAKE_CURRENT_BINARY_DIR}/${_name}.gch/${_targetName}_${CMAKE_BUILD_TYPE}.h++")
ENDMACRO(GET_PRECOMPILED_HEADER_OUTPUT _targetName _input)
MACRO(ADD_PRECOMPILED_HEADER_TO_TARGET _targetName _input _pch_output_to_use )
# to do: test whether compiler flags match between target _targetName
# and _pch_output_to_use
GET_FILENAME_COMPONENT(_name ${_input} NAME)
IF( "${ARGN}" STREQUAL "0")
SET(_dowarn 0)
ELSE( "${ARGN}" STREQUAL "0")
SET(_dowarn 1)
ENDIF("${ARGN}" STREQUAL "0")
_PCH_GET_TARGET_COMPILE_FLAGS(_target_cflags ${_name} ${_pch_output_to_use} ${_dowarn})
# MESSAGE("Add flags ${_target_cflags} to ${_targetName} " )
SET_TARGET_PROPERTIES(${_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 _input)
SET(_PCH_current_target ${_targetName})
IF(NOT CMAKE_BUILD_TYPE)
MESSAGE(FATAL_ERROR
"This is the ADD_PRECOMPILED_HEADER macro. "
"You must set CMAKE_BUILD_TYPE!"
)
ENDIF(NOT CMAKE_BUILD_TYPE)
IF( "${ARGN}" STREQUAL "0")
SET(_dowarn 0)
ELSE( "${ARGN}" STREQUAL "0")
SET(_dowarn 1)
ENDIF("${ARGN}" STREQUAL "0")
GET_FILENAME_COMPONENT(_name ${_input} NAME)
GET_FILENAME_COMPONENT(_path ${_input} PATH)
GET_PRECOMPILED_HEADER_OUTPUT( ${_targetName} ${_input} _output)
GET_FILENAME_COMPONENT(_outdir ${_output} PATH )
GET_TARGET_PROPERTY(_targetType ${_PCH_current_target} TYPE)
_PCH_WRITE_PCHDEP_CXX(${_targetName} ${_input} _pch_dephelp_cxx)
IF(${_targetType} STREQUAL SHARED_LIBRARY)
ADD_LIBRARY(${_targetName}_pch_dephelp SHARED ${_pch_dephelp_cxx} )
ELSE(${_targetType} STREQUAL SHARED_LIBRARY)
ADD_LIBRARY(${_targetName}_pch_dephelp STATIC ${_pch_dephelp_cxx})
ENDIF(${_targetType} STREQUAL SHARED_LIBRARY)
FILE(MAKE_DIRECTORY ${_outdir})
_PCH_GET_COMPILE_FLAGS(_compile_FLAGS)
#MESSAGE("_compile_FLAGS: ${_compile_FLAGS}")
#message("COMMAND ${CMAKE_CXX_COMPILER} ${_compile_FLAGS} -x c++-header -o ${_output} ${_input}")
SET_SOURCE_FILES_PROPERTIES(${CMAKE_CURRENT_BINARY_DIR}/${_name} PROPERTIES GENERATED 1)
ADD_CUSTOM_COMMAND(
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${_name}
COMMAND ${CMAKE_COMMAND} -E copy ${_input} ${CMAKE_CURRENT_BINARY_DIR}/${_name} # ensure same directory! Required by gcc
DEPENDS ${_input}
)
#message("_command ${_input} ${_output}")
_PCH_GET_COMPILE_COMMAND(_command ${CMAKE_CURRENT_BINARY_DIR}/${_name} ${_output} )
#message(${_input} )
#message("_output ${_output}")
ADD_CUSTOM_COMMAND(
OUTPUT ${_output}
COMMAND ${_command}
DEPENDS ${_input} ${CMAKE_CURRENT_BINARY_DIR}/${_name} ${_targetName}_pch_dephelp
)
ADD_PRECOMPILED_HEADER_TO_TARGET(${_targetName} ${_input} ${_output} ${_dowarn})
ENDMACRO(ADD_PRECOMPILED_HEADER)
# Generates the use of precompiled in a target,
# without using depency targets (2 extra for each target)
# Using Visual, must also add ${_targetName}_pch to sources
# Not needed by Xcode
MACRO(GET_NATIVE_PRECOMPILED_HEADER _targetName _input)
if(CMAKE_GENERATOR MATCHES Visual*)
SET(_dummy_str "#include \"${_input}\"\n"
"// This is required to suppress LNK4221. Very annoying.\n"
"void *g_${_targetName}Dummy = 0\;\n")
# Use of cxx extension for generated files (as Qt does)
SET(${_targetName}_pch ${CMAKE_CURRENT_BINARY_DIR}/${_targetName}_pch.cxx)
if(EXISTS ${${_targetName}_pch})
# Check if contents is the same, if not rewrite
# todo
else(EXISTS ${${_targetName}_pch})
FILE(WRITE ${${_targetName}_pch} ${_dummy_str})
endif(EXISTS ${${_targetName}_pch})
endif(CMAKE_GENERATOR MATCHES Visual*)
ENDMACRO(GET_NATIVE_PRECOMPILED_HEADER)
MACRO(ADD_NATIVE_PRECOMPILED_HEADER _targetName _input)
IF( "${ARGN}" STREQUAL "0")
SET(_dowarn 0)
ELSE( "${ARGN}" STREQUAL "0")
SET(_dowarn 1)
ENDIF("${ARGN}" STREQUAL "0")
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\"${_input}\" /FI\"${_input}\"")
SET_TARGET_PROPERTIES(${_targetName} PROPERTIES COMPILE_FLAGS "${newProperties}")
#also inlude ${oldProps} to have the same compile options
SET_SOURCE_FILES_PROPERTIES(${${_targetName}_pch} PROPERTIES COMPILE_FLAGS "${oldProps} /Yc\"${_input}\"")
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 ${_input} ABSOLUTE)
SET_TARGET_PROPERTIES(${_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} ${_input} ${_dowarn})
endif(CMAKE_GENERATOR MATCHES Xcode)
endif(CMAKE_GENERATOR MATCHES Visual*)
ENDMACRO(ADD_NATIVE_PRECOMPILED_HEADER)

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@ -67,5 +67,5 @@
#if defined(LYX_PCH_QT4) && defined(LYX_BUILD_QT4_FRONTEND)
#include <QtCore>
#include <QtGUI>
#include <QtGui>
#endif

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@ -71,6 +71,8 @@ add_executable(${_lyx}
${vld_files}
)
lyx_add_gcc_pch(lyx)
target_link_libraries(${_lyx}
mathed
insets

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@ -25,5 +25,7 @@ endif()
target_link_libraries(frontends ${Lyx_Boost_Libraries})
lyx_add_gcc_pch(frontends)
project_source_group("${GROUP_CODE}" frontends_sources frontends_headers)

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@ -52,6 +52,8 @@ target_link_libraries(frontend_qt4
${QT_QTCORE_LIBRARY}
${QT_QTGUI_LIBRARY})
lyx_add_gcc_pch(frontend_qt4)
if(WIN32)
target_link_libraries(frontend_qt4 Gdi32)
endif()

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@ -21,5 +21,7 @@ else()
add_library(graphics ${library_type} ${_allinone_files})
endif()
lyx_add_gcc_pch(graphics)
project_source_group("${GROUP_CODE}" graphics_sources graphics_headers)

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@ -23,6 +23,7 @@ else()
add_library(insets ${library_type} ${_allinone_files})
endif()
lyx_add_gcc_pch(insets)
project_source_group("${GROUP_CODE}" insets_sources insets_headers)

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@ -24,5 +24,7 @@ else()
add_library(mathed ${library_type} ${_allinone_files})
endif()
lyx_add_gcc_pch(mathed)
project_source_group("${GROUP_CODE}" mathed_sources mathed_headers)

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@ -63,6 +63,8 @@ endif()
target_link_libraries(support ${Lyx_Boost_Libraries} ${QT_QTCORE_LIBRARY} ${ZLIB_LIBRARY})
lyx_add_gcc_pch(support)
if(APPLE)
target_link_libraries(support "objc" "-framework Appkit" "-framework CoreFoundation")
elseif(WIN32)