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Precompiled Headers for GCC+Clang

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This commit is contained in:
Daniel Gibson 2013-01-04 17:01:40 +01:00
parent c47e78d6f3
commit c58f0d4749
2 changed files with 104 additions and 7 deletions
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68
neo/CMakeLists.txt
View file

@ -36,7 +36,7 @@ if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
#endif() #endif()
# the warnings are used for every profile anyway, so put them in a variable # the warnings are used for every profile anyway, so put them in a variable
set(my_warn_flags "-Wno-pragmas -fno-strict-aliasing -Wno-unused-variable -Wno-unused-but-set-variable -Wno-switch -Wno-unused-value") set(my_warn_flags "-Wno-pragmas -Wno-unused-variable -Wno-unused-but-set-variable -Wno-switch -Wno-unused-value -Winvalid-pch")
if(CMAKE_C_COMPILER_ID STREQUAL "Clang") if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
# append clang-specific settings for warnings (the second one make sure clang doesn't complain # append clang-specific settings for warnings (the second one make sure clang doesn't complain
@ -1205,9 +1205,73 @@ else()
list(REMOVE_DUPLICATES RBDOOM3_SOURCES) list(REMOVE_DUPLICATES RBDOOM3_SOURCES)
set(RBDOOM3_PRECOMPILED_SOURCES ${RBDOOM3_SOURCES})
list(REMOVE_ITEM RBDOOM3_PRECOMPILED_SOURCES ${TIMIDITY_SOURCES} ${JPEG_SOURCES} ${ZLIB_SOURCES})
list(REMOVE_ITEM RBDOOM3_PRECOMPILED_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/libs/zlib/minizip/ioapi.c)
list(REMOVE_ITEM RBDOOM3_PRECOMPILED_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/renderer/DXT/DXTDecoder.cpp)
list(REMOVE_ITEM RBDOOM3_PRECOMPILED_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/renderer/DXT/DXTEncoder.cpp)
list(REMOVE_ITEM RBDOOM3_PRECOMPILED_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/renderer/DXT/DXTEncoder_SSE2.cpp)
list(REMOVE_ITEM RBDOOM3_PRECOMPILED_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/renderer/jobs/dynamicshadowvolume/DynamicShadowVolume.cpp)
list(REMOVE_ITEM RBDOOM3_PRECOMPILED_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/renderer/jobs/prelightshadowvolume/PreLightShadowVolume.cpp)
list(REMOVE_ITEM RBDOOM3_PRECOMPILED_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/renderer/jobs/staticshadowvolume/StaticShadowVolume.cpp)
list(REMOVE_ITEM RBDOOM3_PRECOMPILED_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/renderer/jobs/ShadowShared.cpp)
list(REMOVE_ITEM RBDOOM3_PRECOMPILED_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/renderer/RenderLog.cpp)
# list(REMOVE_ITEM RBDOOM3_PRECOMPILED_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/../doomclassic/doom/i_sound_stub.cpp)
foreach( src_file ${RBDOOM3_PRECOMPILED_SOURCES} )
#message(STATUS "-include precompiled.h for ${src_file}")
set_source_files_properties(
${src_file}
PROPERTIES
COMPILE_FLAGS "-include ${CMAKE_CURRENT_SOURCE_DIR}/idlib/precompiled.h"
)
endforeach()
# precompiled magic for GCC/clang, adapted from https://gist.github.com/573926
STRING(TOUPPER "CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE}" _flags_var_name)
SET(_compiler_FLAGS ${${_flags_var_name}})
GET_DIRECTORY_PROPERTY(_directory_flags INCLUDE_DIRECTORIES)
FOREACH(item ${_directory_flags})
LIST(APPEND _compiler_FLAGS " -I${item}")
ENDFOREACH(item)
GET_DIRECTORY_PROPERTY(_directory_flags DEFINITIONS)
LIST(APPEND _compiler_FLAGS ${_directory_flags})
SEPARATE_ARGUMENTS(_compiler_FLAGS)
# we need to recreate the precompiled header for RBDoom3BFG
# (i.e. can't use the one created for idlib before)
# because some definitions (e.g. -D__IDLIB__ -D__DOOM_DLL__) differ
add_custom_target(precomp_header_rbdoom3bfg ALL
COMMAND ${CMAKE_CXX_COMPILER} ${_compiler_FLAGS} -x c++-header idlib/precompiled.h -o idlib/precompiled.h.gch
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
COMMENT "Creating idlib/precompiled.h.gch for RBDoom3BFG"
)
if(WIN32)
set(remove_command "del")
else()
set(remove_command "rm")
endif()
# it's ugly enough that the precompiled header binary needs to be in the
# source directory (instead of the build directory), so let's at least
# delete it after build.
add_custom_target(rm_precomp_header ALL
COMMAND ${remove_command} "idlib/precompiled.h.gch"
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
COMMENT "remove idlib/precompiled.h.gch"
)
# make sure this is run after creating idlib
add_dependencies(precomp_header_rbdoom3bfg idlib)
add_executable(RBDoom3BFG WIN32 ${RBDOOM3_SOURCES}) add_executable(RBDoom3BFG WIN32 ${RBDOOM3_SOURCES})
add_dependencies(RBDoom3BFG idlib) # make sure precompiled header is created before executable is compiled
add_dependencies(RBDoom3BFG precomp_header_rbdoom3bfg)
# make sure precompiled header is deleted after executable is compiled
add_dependencies(rm_precomp_header RBDoom3BFG)
if(MINGW) if(MINGW)
include_directories(libs/sdl2/include) include_directories(libs/sdl2/include)

43
neo/idlib/CMakeLists.txt
View file

@ -14,14 +14,14 @@ endif()
# add_definitions(-DSTANDALONE) # add_definitions(-DSTANDALONE)
#endif() #endif()
set(ID_PRECOMPILED_SOURCES ${ID_SOURCES})
list(REMOVE_ITEM ID_PRECOMPILED_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/geometry/RenderMatrix.cpp)
list(REMOVE_ITEM ID_PRECOMPILED_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/SoftwareCache.cpp)
if(MSVC) if(MSVC)
#set_target_properties(idlib PROPERTIES COMPILE_FLAGS "/Yuprecompiled.h") #set_target_properties(idlib PROPERTIES COMPILE_FLAGS "/Yuprecompiled.h")
set(ID_PRECOMPILED_SOURCES ${ID_SOURCES})
list(REMOVE_ITEM ID_PRECOMPILED_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/geometry/RenderMatrix.cpp)
list(REMOVE_ITEM ID_PRECOMPILED_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/SoftwareCache.cpp)
foreach( src_file ${ID_PRECOMPILED_SOURCES} ) foreach( src_file ${ID_PRECOMPILED_SOURCES} )
#message(STATUS "/Yuprecompiled.h for ${src_file}") #message(STATUS "/Yuprecompiled.h for ${src_file}")
set_source_files_properties( set_source_files_properties(
@ -35,11 +35,44 @@ if(MSVC)
PROPERTIES PROPERTIES
COMPILE_FLAGS "/Ycprecompiled.h" COMPILE_FLAGS "/Ycprecompiled.h"
) )
add_library(idlib ${ID_SOURCES} ${ID_INCLUDES})
else() else()
foreach( src_file ${ID_PRECOMPILED_SOURCES} )
#message(STATUS "-include precompiled.h for ${src_file}")
set_source_files_properties(
${src_file}
PROPERTIES
COMPILE_FLAGS "-include ${CMAKE_CURRENT_SOURCE_DIR}/precompiled.h"
)
endforeach()
include_directories(.) include_directories(.)
# precompiled magic for GCC/clang, adapted from https://gist.github.com/573926
STRING(TOUPPER "CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE}" _flags_var_name)
SET(_compiler_FLAGS ${${_flags_var_name}})
GET_DIRECTORY_PROPERTY(_directory_flags INCLUDE_DIRECTORIES)
FOREACH(item ${_directory_flags})
LIST(APPEND _compiler_FLAGS " -I${item}")
ENDFOREACH(item)
GET_DIRECTORY_PROPERTY(_directory_flags DEFINITIONS)
LIST(APPEND _compiler_FLAGS ${_directory_flags})
SEPARATE_ARGUMENTS(_compiler_FLAGS)
add_custom_target(precomp_header_idlib ALL
COMMAND ${CMAKE_CXX_COMPILER} ${_compiler_FLAGS} -x c++-header precompiled.h -o precompiled.h.gch
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
COMMENT "Creating idlib/precompiled.h.gch for idlib"
)
add_library(idlib ${ID_SOURCES} ${ID_INCLUDES})
add_dependencies(idlib precomp_header_idlib)
endif() endif()
add_library(idlib ${ID_SOURCES} ${ID_INCLUDES})
# if(MSVC) # if(MSVC)
# # set_source_files_properties(precompiled.cpp # # set_source_files_properties(precompiled.cpp