Drop broken GCC precompiled header support

master
Julius Michaelis 2018-10-04 08:33:31 +02:00
parent 04535b5438
commit 0d7738dce5
2 changed files with 0 additions and 87 deletions

View File

@ -1439,21 +1439,6 @@ if(CMAKE_GENERATOR MATCHES "^Visual Studio 14 2015")
)
endif()
############################################################################
# Precompiled header support, gcc part (it needs the cxx flags)
############################################################################
if(CMAKE_COMPILER_IS_GNUCXX)
include(GccPchSupport)
option(USE_GCC_PCH "Use GCC precompiled headers" OFF)
endif()
if(USE_GCC_PCH)
add_precompiled_header(libmisc src/C4Include.h)
add_precompiled_header(libc4script src/C4Include.h)
add_precompiled_header(openclonk src/C4Include.h)
add_precompiled_header(openclonk-server src/C4Include.h)
endif()
############################################################################
# installation
############################################################################

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@ -1,72 +0,0 @@
#Copied from http://www.mail-archive.com/cmake@cmake.org/msg04394.html which copied it from the rosengarden project
#see also: http://gcc.gnu.org/onlinedocs/gcc-4.0.4/gcc/Precompiled-Headers.html
MACRO(ADD_PRECOMPILED_HEADER _targetName _input)
# Prepare environment
GET_FILENAME_COMPONENT(_name ${_input} NAME)
SET(_pchdir "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/${_targetName}_pch.dir")
MAKE_DIRECTORY(${_pchdir})
SET(_source "${CMAKE_CURRENT_SOURCE_DIR}/${_input}")
SET(_includeput "${_pchdir}/${_name}")
SET(_output "${_includeput}.gch")
# Assemble the compiler command with which future stuff will be built
STRING(TOUPPER "CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE}" _flags_var_name) # Don't worry: CMake won't use any of the R/D/RWDI/MSR vars if the build type is not defined
if(CMAKE_CXX_COMPILER_ARG1) # please, know what you're doing if you rely on this...
STRING(STRIP ${CMAKE_CXX_COMPILER_ARG1} _ccache_tweak)
SET(_ccache_tweak "\"${_ccache_tweak}\"")
endif()
SET(_compiler_FLAGS ${_ccache_tweak} ${CMAKE_CXX_FLAGS} ${${_flags_var_name}})
if(CMAKE_BUILD_TYPE)
if(${CMAKE_BUILD_TYPE} STREQUAL "Debug")
LIST(APPEND _compiler_FLAGS "-D_DEBUG")
endif()
endif()
GET_TARGET_PROPERTY(_compile_defines ${_targetName} COMPILE_DEFINITIONS)
if(_compile_defines)
FOREACH(item ${_compile_defines})
STRING(REPLACE "\"" "\\\"" item ${item})
LIST(APPEND _compiler_FLAGS "-D${item}")
ENDFOREACH(item)
endif()
GET_TARGET_PROPERTY(_compile_defines ${_targetName} COMPILE_DEFINITIONS_${CMAKE_BUILD_TYPE})
if(_compile_defines)
FOREACH(item ${_compile_defines})
STRING(REPLACE "\"" "\\\"" item ${item})
LIST(APPEND _compiler_FLAGS "$<$<NOT:$<STREQUAL:,${item}>>:-D${item}>")
ENDFOREACH(item)
endif()
GET_DIRECTORY_PROPERTY(_compile_defines COMPILE_DEFINITIONS)
if(_compile_defines)
FOREACH(item ${_compile_defines})
STRING(REPLACE "\"" "\\\"" item ${item})
LIST(APPEND _compiler_FLAGS "$<$<NOT:$<STREQUAL:,${item}>>:-D${item}>")
ENDFOREACH(item)
endif()
GET_DIRECTORY_PROPERTY(_compile_defines COMPILE_DEFINITIONS_${CMAKE_BUILD_TYPE})
if(_compile_defines)
FOREACH(item ${_compile_defines})
STRING(REPLACE "\"" "\\\"" item ${item})
LIST(APPEND _compiler_FLAGS "$<$<NOT:$<STREQUAL:,${item}>>:-D${item}>")
ENDFOREACH(item)
endif()
GET_DIRECTORY_PROPERTY(_directory_flags INCLUDE_DIRECTORIES)
FOREACH(item ${_directory_flags})
LIST(APPEND _compiler_FLAGS "-I\"${item}\"")
ENDFOREACH(item)
SEPARATE_ARGUMENTS(_compiler_FLAGS)
list(REMOVE_DUPLICATES _compiler_FLAGS)
# Add a target with the pch
ADD_CUSTOM_COMMAND(
OUTPUT ${_output}
COMMAND "${CMAKE_CXX_COMPILER}"
${_compiler_FLAGS} -x c++-header -o ${_output} ${_source}
IMPLICIT_DEPENDS CXX ${_source}
)
FILE(WRITE "${_pchdir}/${_name}" "#ifdef __cplusplus\n#warning Precompiled header not used. Turn off or fix!\n#endif") # This file is added so the cc-units don't stumble over not being able to include the file
ADD_CUSTOM_TARGET(${_targetName}_pch DEPENDS ${_output})
ADD_DEPENDENCIES(${_targetName} ${_targetName}_pch)
SET_TARGET_PROPERTIES(${_targetName} PROPERTIES COMPILE_FLAGS "-include ${_includeput}")
ENDMACRO(ADD_PRECOMPILED_HEADER)