* Introduce a temporary cmake variable (PCH) to enable/disable cmake pch support as this requires our patched binary.
* Wrap pch macros around this variable.
* Implement the pch marco accordingly. By Jerome.

svn path=/trunk/; revision=52865
This commit is contained in:
Amine Khaldi 2011-07-25 19:05:00 +00:00
parent f102b7df5f
commit 5bd86be83b

View file

@ -285,44 +285,69 @@ endmacro()
set(PSEH_LIB "pseh")
# Macros
macro(_PCH_GET_COMPILE_FLAGS _target_name _out_compile_flags _header_filename)
# Add the precompiled header to the build
get_filename_component(_FILE ${_header_filename} NAME)
set(_gch_filename "${_FILE}.gch")
list(APPEND ${_out_compile_flags} -c ${_header_filename} -o ${_gch_filename})
if(PCH)
macro(_PCH_GET_COMPILE_FLAGS _target_name _out_compile_flags _header_filename)
# Add the precompiled header to the build
get_filename_component(_FILE ${_header_filename} NAME)
set(_gch_filename "${_FILE}.gch")
list(APPEND ${_out_compile_flags} -c ${_header_filename} -o ${_gch_filename})
# This gets us our includes
get_directory_property(DIRINC INCLUDE_DIRECTORIES)
foreach(item ${DIRINC})
list(APPEND ${_out_compile_flags} -I${item})
endforeach()
# This our definitions
get_directory_property(_compiler_flags DEFINITIONS)
list(APPEND ${_out_compile_flags} ${_compiler_flags})
# This gets any specific definitions that were added with set-target-property
get_target_property(_target_defs ${_target_name} COMPILE_DEFINITIONS)
if (_target_defs)
foreach(item ${_target_defs})
list(APPEND ${_out_compile_flags} -D${item})
# This gets us our includes
get_directory_property(DIRINC INCLUDE_DIRECTORIES)
foreach(item ${DIRINC})
list(APPEND ${_out_compile_flags} -I${item})
endforeach()
endif()
separate_arguments(${_out_compile_flags})
endmacro()
# This our definitions
get_directory_property(_compiler_flags DEFINITIONS)
list(APPEND ${_out_compile_flags} ${_compiler_flags})
macro(add_pch _target_name _FILE)
#set(_header_filename ${CMAKE_CURRENT_SOURCE_DIR}/${_FILE})
#get_filename_component(_basename ${_FILE} NAME)
#set(_gch_filename ${_basename}.gch)
#_PCH_GET_COMPILE_FLAGS(${_target_name} _args ${_header_filename})
# This gets any specific definitions that were added with set-target-property
get_target_property(_target_defs ${_target_name} COMPILE_DEFINITIONS)
if (_target_defs)
foreach(item ${_target_defs})
list(APPEND ${_out_compile_flags} -D${item})
endforeach()
endif()
#add_custom_command(OUTPUT ${_gch_filename} COMMAND ${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1} ${_args} DEPENDS ${_header_filename})
#get_target_property(_src_files ${_target_name} SOURCES)
#set_source_files_properties(${_src_files} PROPERTIES COMPILE_FLAGS "-Winvalid-pch -fpch-preprocess" #OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${_gch_filename})
#add_linkerflag(${_target_name} "${_gch_filename}")
endmacro()
if(IS_CPP)
list(APPEND ${_out_compile_flags} ${CMAKE_CXX_FLAGS})
else()
list(APPEND ${_out_compile_flags} ${CMAKE_C_FLAGS})
endif()
separate_arguments(${_out_compile_flags})
endmacro()
macro(add_pch _target_name _FILE)
set(_header_filename ${CMAKE_CURRENT_SOURCE_DIR}/${_FILE})
get_filename_component(_basename ${_FILE} NAME)
set(_gch_filename ${_basename}.gch)
_PCH_GET_COMPILE_FLAGS(${_target_name} _args ${_header_filename})
if(IS_CPP)
set(__lang CXX)
set(__compiler ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1})
else()
set(__lang C)
set(__compiler ${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1})
endif()
add_custom_command(OUTPUT ${_gch_filename} COMMAND ${__compiler} ${_args} IMPLICIT_DEPENDS ${__lang} ${_header_filename})
get_target_property(_src_files ${_target_name} SOURCES)
foreach(_item in ${_src_files})
get_source_file_property(__src_lang ${_item} LANGUAGE)
if(__src_lang STREQUAL __lang)
set_source_files_properties(${_item} PROPERTIES COMPILE_FLAGS "-fpch-preprocess" OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${_gch_filename})
endif()
endforeach()
#set dependency checking : depends on precompiled header only whixh already depends on deeper header
set_target_properties(${_target_name} PROPERTIES IMPLICIT_DEPENDS_INCLUDE_TRANSFORM "\"${_basename}\"=;<${_basename}>=")
endmacro()
else()
macro(add_pch _target_name _FILE)
endmacro()
endif()
macro(CreateBootSectorTarget _target_name _asm_file _object_file _base_address)
get_filename_component(OBJECT_PATH ${_object_file} PATH)