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# Set version.cpp to use C++ as well as set its compile flags
set_source_files_properties(version.cpp PROPERTIES LANGUAGE CXX COMPILE_FLAGS "${CXXFLAGS}")
# Generate version-bin executable to modify version.h, setting it's linker flags as well
add_executable(version-bin version.cpp)
set_target_properties(version-bin PROPERTIES LINKER_LANGUAGE CXX LINK_FLAGS "${LDFLAGS}")
set(version_BINARY "$<TARGET_FILE:version-bin>")
# Modify version.h from the above executable, with dependencies to version.cpp
# and all of the source files in the main build
add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/version_build
COMMAND ${version_BINARY} ${Anope_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR}/version.h ${CMAKE_CURRENT_BINARY_DIR}/build.h
DEPENDS version-bin ${SRC_SRCS}
)
# Add version-bin to list of files for CPack to ignore
get_filename_component(version_BINARY ${version_BINARY} NAME)
add_to_cpack_ignored_files("${version_BINARY}$" TRUE)
if(NOT WIN32)
add_to_cpack_ignored_files("version.h$" TRUE)
add_to_cpack_ignored_files("build.h$" TRUE)
endif()
set(PCH_SOURCES_GCH "")
if(USE_PCH AND CMAKE_COMPILER_IS_GNUCXX)
string(REPLACE " " ";" PCH_CXXFLAGS "${CXXFLAGS} ${CMAKE_CXX_FLAGS}")
file(GLOB PCH_SOURCES RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "*.h")
list(SORT PCH_SOURCES)
foreach(PCH_SOURCE ${PCH_SOURCES})
find_includes(${PCH_SOURCE} INCLUDES)
set(INCLUDES_LIST)
list(APPEND INCLUDES_LIST ${PCH_SOURCE})
foreach(INCLUDE ${INCLUDES})
# Extract the filename from the #include line
extract_include_filename(${INCLUDE} FILENAME QUOTE_TYPE)
if(QUOTE_TYPE STREQUAL "quotes")
if(NOT ${FILENAME} IN_LIST PCH_SOURCES)
list(APPEND INCLUDES_LIST ${FILENAME})
endif()
endif()
endforeach()
set(PCH_EXTRAFLAGS "")
if(DEBUG_BUILD)
set(PCH_EXTRAFLAGS "-g")
endif()
if(PCH_SOURCE STREQUAL "module.h")
set(PCH_EXTRAFLAGS ${PCH_EXTRAFLAGS} -fPIC)
endif()
if(GETTEXT_INCLUDE)
set(PCH_GETTEXT_INCLUDE "-I${GETTEXT_INCLUDE}")
endif()
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}
${PCH_GETTEXT_INCLUDE} -I${CMAKE_CURRENT_BINARY_DIR} -I${Anope_SOURCE_DIR}/modules/pseudoclients ${CMAKE_CURRENT_SOURCE_DIR}/${PCH_SOURCE} -o ${CMAKE_CURRENT_BINARY_DIR}/${PCH_SOURCE}.gch
DEPENDS ${INCLUDES_LIST} VERBATIM
)
endforeach()
endif()
# Add a custom target to the above file
add_custom_target(headers DEPENDS version-bin ${CMAKE_CURRENT_BINARY_DIR}/version_build ${PCH_SOURCES_GCH})
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