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Use precompiled headers when building with gnu g++ to speed up build time

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This commit is contained in:
Adam
2011-02-16 12:50:23 -05:00
parent d436e4ca4a
commit 18bd33f9a4
2 changed files with 25 additions and 2 deletions
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CMakeLists.txt
+3 -1
View File
@@ -220,7 +220,9 @@ find_package(Gettext)
option(USE_RUN_CC_PL "Use run-cc.pl for building" OFF)
# Use the following directories as includes
include_directories(${Anope_SOURCE_DIR}/include ${Anope_BINARY_DIR}/include ${Anope_BINARY_DIR}/language)
# Note that it is important the binary include directory comes before the
# source include directory so the precompiled headers work correctly.
include_directories(${Anope_BINARY_DIR}/include ${Anope_SOURCE_DIR}/include ${Anope_BINARY_DIR}/language)
# If using Windows, always add the _WIN32 define
if(WIN32)
include/CMakeLists.txt
+22 -1
View File
@@ -16,5 +16,26 @@ if(NOT WIN32)
add_to_cpack_ignored_files("version.h$" TRUE)
endif(NOT WIN32)
set(PCH_SOURCES_GCH "")
if(CMAKE_COMPILER_IS_GNUCXX)
string(REPLACE " " ";" PCH_CXXFLAGS ${CXXFLAGS})
set(PCH_SOURCES "module.h;modules.h;services.h")
foreach(PCH_SOURCE ${PCH_SOURCES})
set(PCH_EXTRAFLAGS "")
if(DEBUG_BUILD)
set(PCH_EXTRAFLAGS "-g")
endif(DEBUG_BUILD)
if(PCH_SOURCE STREQUAL "module.h")
set(PCH_EXTRAFLAGS ${PCH_EXTRAFLAGS} -fPIC)
endif(PCH_SOURCE STREQUAL "module.h")
set(PCH_SOURCES_GCH "${PCH_SOURCES_GCH};${CMAKE_CURRENT_BINARY_DIR}/${PCH_SOURCE}.gch")
add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${PCH_SOURCE}.gch
COMMAND ${CMAKE_CXX_COMPILER} ARGS ${PCH_CXXFLAGS} ${PCH_EXTRAFLAGS} -I${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/${PCH_SOURCE} -o ${CMAKE_CURRENT_BINARY_DIR}/${PCH_SOURCE}.gch VERBATIM
)
endforeach(PCH_SOURCE ${PCH_SOURCES})
endif(CMAKE_COMPILER_IS_GNUCXX)
# Add a custom target to the above file
add_custom_target(headers DEPENDS version ${CMAKE_CURRENT_BINARY_DIR}/version.h)
add_custom_target(headers DEPENDS version ${CMAKE_CURRENT_BINARY_DIR}/version.h ${PCH_SOURCES_GCH})