cmake/modules/LLVMProcessSources.cmake

   1 include(AddFileDependencies)
   2 include(CMakeParseArguments)
   3
   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 "(^| )${new}($| )" )
  10     set(n "")
  11   else()
  12     set(n "${new}")
  13   endif()
  14   if( "${${var}}" MATCHES "(^| )${old}($| )" )
  15     string( REGEX REPLACE "(^| )${old}($| )" " ${n} " ${var} "${${var}}" )
  16   else()
  17     set( ${var} "${${var}} ${n}" )
  18   endif()
  19   set( ${var} "${${var}}" PARENT_SCOPE )
  20 endfunction(llvm_replace_compiler_option)
  21
  22 macro(add_td_sources srcs)
  23   file(GLOB tds *.td)
  24   if( tds )
  25     source_group("TableGen descriptions" FILES ${tds})
  26     set_source_files_properties(${tds} PROPERTIES HEADER_FILE_ONLY ON)
  27     list(APPEND ${srcs} ${tds})
  28   endif()
  29 endmacro(add_td_sources)
  30
  31 function(add_header_files_for_glob hdrs_out glob)
  32   file(GLOB hds ${glob})
  33   set(${hdrs_out} ${hds} PARENT_SCOPE)
  34 endfunction(add_header_files_for_glob)
  35
  36 function(find_all_header_files hdrs_out additional_headerdirs)
  37   add_header_files_for_glob(hds *.h)
  38   list(APPEND all_headers ${hds})
  39
  40   foreach(additional_dir ${additional_headerdirs})
  41     add_header_files_for_glob(hds "${additional_dir}/*.h")
  42     list(APPEND all_headers ${hds})
  43     add_header_files_for_glob(hds "${additional_dir}/*.inc")
  44     list(APPEND all_headers ${hds})
  45   endforeach(additional_dir)
  46
  47   set( ${hdrs_out} ${all_headers} PARENT_SCOPE )
  48 endfunction(find_all_header_files)
  49
  50
  51 function(llvm_process_sources OUT_VAR)
  52   cmake_parse_arguments(ARG "" "" "ADDITIONAL_HEADERS;ADDITIONAL_HEADER_DIRS" ${ARGN})
  53   set(sources ${ARG_UNPARSED_ARGUMENTS})
  54   llvm_check_source_file_list( ${sources} )
  55   if( MSVC_IDE OR XCODE )
  56     # This adds .td and .h files to the Visual Studio solution:
  57     add_td_sources(sources)
  58     find_all_header_files(hdrs "${ARG_ADDITIONAL_HEADER_DIRS}")
  59     if (hdrs)
  60       set_source_files_properties(${hdrs} PROPERTIES HEADER_FILE_ONLY ON)
  61     endif()
  62     set_source_files_properties(${ARG_ADDITIONAL_HEADERS} PROPERTIES HEADER_FILE_ONLY ON)
  63     list(APPEND sources ${ARG_ADDITIONAL_HEADERS} ${hdrs})
  64   endif()
  65
  66   set( ${OUT_VAR} ${sources} PARENT_SCOPE )
  67 endfunction(llvm_process_sources)
  68
  69
  70 function(llvm_check_source_file_list)
  71   cmake_parse_arguments(ARG "" "SOURCE_DIR" "" ${ARGN})
  72   set(listed ${ARG_UNPARSED_ARGUMENTS})
  73   if(ARG_SOURCE_DIR)
  74     file(GLOB globbed
  75          RELATIVE "${CMAKE_CURRENT_LIST_DIR}"
  76          "${ARG_SOURCE_DIR}/*.c" "${ARG_SOURCE_DIR}/*.cpp")
  77   else()
  78     file(GLOB globbed *.c *.cpp)
  79   endif()
  80   foreach(g ${globbed})
  81     get_filename_component(fn ${g} NAME)
  82     if(ARG_SOURCE_DIR)
  83       set(entry "${g}")
  84     else()
  85       set(entry "${fn}")
  86     endif()
  87
  88     # Don't reject hidden files. Some editors create backups in the
  89     # same directory as the file.
  90     if (NOT "${fn}" MATCHES "^\\.")
  91       list(FIND LLVM_OPTIONAL_SOURCES ${entry} idx)
  92       if( idx LESS 0 )
  93         list(FIND listed ${entry} idx)
  94         if( idx LESS 0 )
  95           message(SEND_ERROR "Found unknown source file ${g}
  96 Please update ${CMAKE_CURRENT_LIST_FILE}\n")
  97         endif()
  98       endif()
  99     endif()
 100   endforeach()
 101 endfunction(llvm_check_source_file_list)