1 include(AddFileDependencies)
2 include(CMakeParseArguments)
4 function(llvm_replace_compiler_option var old new)
5 # Replaces a compiler option or switch `old' in `var' by `new'.
6 # If `old' is not in `var', appends `new' to `var'.
7 # Example: llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
8 # If the option already is on the variable, don't add it:
9 if( "${${var}}" MATCHES "(^| )${new}($| )" )
14 if( "${${var}}" MATCHES "(^| )${old}($| )" )
15 string( REGEX REPLACE "(^| )${old}($| )" " ${n} " ${var} "${${var}}" )
17 set( ${var} "${${var}} ${n}" )
19 set( ${var} "${${var}}" PARENT_SCOPE )
20 endfunction(llvm_replace_compiler_option)
22 macro(add_td_sources srcs)
25 source_group("TableGen descriptions" FILES ${tds})
26 set_source_files_properties(${tds} PROPERTIES HEADER_FILE_ONLY ON)
27 list(APPEND ${srcs} ${tds})
29 endmacro(add_td_sources)
32 macro(add_header_files srcs)
35 set_source_files_properties(${hds} PROPERTIES HEADER_FILE_ONLY ON)
36 list(APPEND ${srcs} ${hds})
38 endmacro(add_header_files)
41 function(llvm_process_sources OUT_VAR)
42 cmake_parse_arguments(ARG "" "" "ADDITIONAL_HEADERS" ${ARGN})
43 set(sources ${ARG_UNPARSED_ARGUMENTS})
44 llvm_check_source_file_list( ${sources} )
45 # Create file dependencies on the tablegenned files, if any. Seems
46 # that this is not strictly needed, as dependencies of the .cpp
47 # sources on the tablegenned .inc files are detected and handled,
49 foreach( s ${sources} )
50 set( f ${CMAKE_CURRENT_SOURCE_DIR}/${s} )
51 add_file_dependencies( ${f} ${TABLEGEN_OUTPUT} )
53 if( MSVC_IDE OR XCODE )
54 # This adds .td and .h files to the Visual Studio solution:
55 add_td_sources(sources)
56 add_header_files(sources)
57 set_source_files_properties(${ARG_ADDITIONAL_HEADERS} PROPERTIES HEADER_FILE_ONLY ON)
58 list(APPEND sources ${ARG_ADDITIONAL_HEADERS})
61 # Set common compiler options:
62 if( NOT LLVM_REQUIRES_EH )
63 if( LLVM_COMPILER_IS_GCC_COMPATIBLE )
64 add_definitions( -fno-exceptions )
66 llvm_replace_compiler_option(CMAKE_CXX_FLAGS "/EHsc" "/EHs-c-")
67 add_definitions( /D_HAS_EXCEPTIONS=0 )
70 if( NOT LLVM_REQUIRES_RTTI )
71 if( LLVM_COMPILER_IS_GCC_COMPATIBLE )
72 llvm_replace_compiler_option(CMAKE_CXX_FLAGS "-frtti" "-fno-rtti")
74 llvm_replace_compiler_option(CMAKE_CXX_FLAGS "/GR" "/GR-")
78 set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" PARENT_SCOPE )
79 set( ${OUT_VAR} ${sources} PARENT_SCOPE )
80 endfunction(llvm_process_sources)
83 function(llvm_check_source_file_list)
85 file(GLOB globbed *.cpp)
87 get_filename_component(fn ${g} NAME)
88 list(FIND LLVM_OPTIONAL_SOURCES ${fn} idx)
90 list(FIND listed ${fn} idx)
92 message(SEND_ERROR "Found unknown source file ${g}
93 Please update ${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt\n")
97 endfunction(llvm_check_source_file_list)