Khaganat-NeL/khanat-opennel-code
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Changed: #880 Use PCH under Linux with CMake

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kervala 2010-06-25 13:42:21 +02:00
parent 7a99daae23
commit fcb53cf7be
1 changed files with 107 additions and 114 deletions
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15
code/nel/CMakeModules/PCHSupport.cmake
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@ -1,4 +1,4 @@
# - Try to find precompiled headers support for GCC 3.4 and 4.x # - Try to find precompiled headers support for GCC 3.4 and 4.x (and MSVC)
# Once done this will define: # Once done this will define:
# #
# Variable: # Variable:
@ -28,23 +28,22 @@ IF(CMAKE_COMPILER_IS_GNUCXX)
SET(_PCH_include_prefix "-I") SET(_PCH_include_prefix "-I")
ELSE(CMAKE_COMPILER_IS_GNUCXX) ELSE(CMAKE_COMPILER_IS_GNUCXX)
IF(WIN32) IF(WIN32)
SET(PCHSupport_FOUND TRUE) # for experimental msvc support SET(PCHSupport_FOUND TRUE) # for experimental msvc support
SET(_PCH_include_prefix "/I") SET(_PCH_include_prefix "/I")
ELSE(WIN32) ELSE(WIN32)
SET(PCHSupport_FOUND FALSE) SET(PCHSupport_FOUND FALSE)
ENDIF(WIN32) ENDIF(WIN32)
ENDIF(CMAKE_COMPILER_IS_GNUCXX) ENDIF(CMAKE_COMPILER_IS_GNUCXX)
MACRO(_PCH_GET_COMPILE_FLAGS _out_compile_flags) MACRO(_PCH_GET_COMPILE_FLAGS _out_compile_flags)
STRING(TOUPPER "CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE}" _flags_var_name) STRING(TOUPPER "CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE}" _flags_var_name)
SET(${_out_compile_flags} ${${_flags_var_name}} ) SET(${_out_compile_flags} ${${_flags_var_name}} )
IF(CMAKE_COMPILER_IS_GNUCXX) IF(CMAKE_COMPILER_IS_GNUCXX)
GET_TARGET_PROPERTY(_targetType ${_PCH_current_target} TYPE) GET_TARGET_PROPERTY(_targetType ${_PCH_current_target} TYPE)
IF(${_targetType} STREQUAL SHARED_LIBRARY) IF(${_targetType} STREQUAL SHARED_LIBRARY)
LIST(APPEND ${_out_compile_flags} "${${_out_compile_flags}} -fPIC") LIST(APPEND ${_out_compile_flags} "${${_out_compile_flags}} -fPIC")
@ -68,7 +67,6 @@ MACRO(_PCH_GET_COMPILE_FLAGS _out_compile_flags)
ENDMACRO(_PCH_GET_COMPILE_FLAGS) ENDMACRO(_PCH_GET_COMPILE_FLAGS)
MACRO(_PCH_WRITE_PCHDEP_CXX _targetName _include_file _dephelp) MACRO(_PCH_WRITE_PCHDEP_CXX _targetName _include_file _dephelp)
SET(${_dephelp} ${CMAKE_CURRENT_BINARY_DIR}/${_targetName}_pch_dephelp.cxx) SET(${_dephelp} ${CMAKE_CURRENT_BINARY_DIR}/${_targetName}_pch_dephelp.cxx)
@ -145,7 +143,7 @@ ENDMACRO(_PCH_GET_TARGET_COMPILE_FLAGS )
MACRO(GET_PRECOMPILED_HEADER_OUTPUT _targetName _input _output) MACRO(GET_PRECOMPILED_HEADER_OUTPUT _targetName _input _output)
GET_FILENAME_COMPONENT(_name ${_input} NAME) GET_FILENAME_COMPONENT(_name ${_input} NAME)
GET_FILENAME_COMPONENT(_path ${_input} PATH) GET_FILENAME_COMPONENT(_path ${_input} PATH)
SET(_output "${CMAKE_CURRENT_BINARY_DIR}/${_name}.gch/${_targetName}_${CMAKE_BUILD_TYPE}.h++") SET(_output "${CMAKE_CURRENT_BINARY_DIR}/${_name}.gch/${_targetName}_${CMAKE_BUILD_TYPE}.gch")
ENDMACRO(GET_PRECOMPILED_HEADER_OUTPUT _targetName _input) ENDMACRO(GET_PRECOMPILED_HEADER_OUTPUT _targetName _input)
@ -194,7 +192,6 @@ MACRO(ADD_PRECOMPILED_HEADER _targetName _input)
SET(_dowarn 1) SET(_dowarn 1)
ENDIF("${ARGN}" STREQUAL "0") ENDIF("${ARGN}" STREQUAL "0")
GET_FILENAME_COMPONENT(_name ${_input} NAME) GET_FILENAME_COMPONENT(_name ${_input} NAME)
GET_FILENAME_COMPONENT(_path ${_input} PATH) GET_FILENAME_COMPONENT(_path ${_input} PATH)
GET_PRECOMPILED_HEADER_OUTPUT( ${_targetName} ${_input} _output) GET_PRECOMPILED_HEADER_OUTPUT( ${_targetName} ${_input} _output)
@ -212,7 +209,6 @@ MACRO(ADD_PRECOMPILED_HEADER _targetName _input)
FILE(MAKE_DIRECTORY ${_outdir}) FILE(MAKE_DIRECTORY ${_outdir})
_PCH_GET_COMPILE_FLAGS(_compile_FLAGS) _PCH_GET_COMPILE_FLAGS(_compile_FLAGS)
#MESSAGE("_compile_FLAGS: ${_compile_FLAGS}") #MESSAGE("_compile_FLAGS: ${_compile_FLAGS}")
@ -236,11 +232,9 @@ MACRO(ADD_PRECOMPILED_HEADER _targetName _input)
DEPENDS ${_input} ${CMAKE_CURRENT_BINARY_DIR}/${_name} ${_targetName}_pch_dephelp DEPENDS ${_input} ${CMAKE_CURRENT_BINARY_DIR}/${_name} ${_targetName}_pch_dephelp
) )
ADD_PRECOMPILED_HEADER_TO_TARGET(${_targetName} ${_input} ${_output} ${_dowarn}) ADD_PRECOMPILED_HEADER_TO_TARGET(${_targetName} ${_input} ${_output} ${_dowarn})
ENDMACRO(ADD_PRECOMPILED_HEADER) ENDMACRO(ADD_PRECOMPILED_HEADER)
# Generates the use of precompiled in a target, # Generates the use of precompiled in a target,
# without using depency targets (2 extra for each target) # without using depency targets (2 extra for each target)
# Using Visual, must also add ${_targetName}_pch to sources # Using Visual, must also add ${_targetName}_pch to sources
@ -266,7 +260,6 @@ MACRO(GET_NATIVE_PRECOMPILED_HEADER _targetName _input)
ENDMACRO(GET_NATIVE_PRECOMPILED_HEADER) ENDMACRO(GET_NATIVE_PRECOMPILED_HEADER)
MACRO(ADD_NATIVE_PRECOMPILED_HEADER _targetName _input) MACRO(ADD_NATIVE_PRECOMPILED_HEADER _targetName _input)
IF( "${ARGN}" STREQUAL "0") IF( "${ARGN}" STREQUAL "0")