reactos/cmake/gcc.cmake

   1
   2 # Show a note about ccache build
   3 if(ENABLE_CCACHE)
   4     message("-- Enabling ccache build - done")
   5 endif()
   6
   7 # PDB style debug info
   8 if(NOT DEFINED SEPARATE_DBG)
   9     set(SEPARATE_DBG FALSE)
  10 endif()
  11
  12 if(NOT DEFINED USE_PSEH3)
  13     set(USE_PSEH3 1)
  14 endif()
  15
  16 if(USE_PSEH3)
  17     add_definitions(-D_USE_PSEH3=1)
  18 endif()
  19
  20 if(NOT DEFINED USE_DUMMY_PSEH)
  21     set(USE_DUMMY_PSEH 0)
  22 endif()
  23
  24 if(USE_DUMMY_PSEH)
  25     add_definitions(-D_USE_DUMMY_PSEH=1)
  26 endif()
  27
  28 # Compiler Core
  29 add_compile_flags("-pipe -fms-extensions -fno-strict-aliasing")
  30 if(GCC_VERSION VERSION_GREATER 4.7)
  31     add_compile_flags("-mstackrealign")
  32 endif()
  33
  34 if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
  35     add_compile_flags_language("-std=gnu89 -Wno-microsoft" "C")
  36     set(CMAKE_LINK_DEF_FILE_FLAG "")
  37     set(CMAKE_STATIC_LIBRARY_SUFFIX ".a")
  38     set(CMAKE_LINK_LIBRARY_SUFFIX "")
  39     set(CMAKE_CREATE_WIN32_EXE "")
  40     set(CMAKE_C_COMPILE_OPTIONS_PIC "")
  41     set(CMAKE_CXX_COMPILE_OPTIONS_PIC "")
  42     set(CMAKE_C_COMPILE_OPTIONS_PIE "")
  43     set(CMAKE_CXX_COMPILE_OPTIONS_PIE "")
  44     set(CMAKE_SHARED_LIBRARY_C_FLAGS "")
  45     set(CMAKE_SHARED_LIBRARY_CXX_FLAGS "")
  46 endif()
  47
  48 if(DBG)
  49     if(NOT CMAKE_C_COMPILER_ID STREQUAL "Clang")
  50         add_compile_flags_language("-Wold-style-declaration" "C")
  51     endif()
  52     add_compile_flags_language("-Wdeclaration-after-statement" "C")
  53 endif()
  54
  55 add_compile_flags_language("-fno-rtti -fno-exceptions" "CXX")
  56
  57 #bug
  58 #file(TO_NATIVE_PATH ${REACTOS_SOURCE_DIR} REACTOS_SOURCE_DIR_NATIVE)
  59 #workaround
  60 set(REACTOS_SOURCE_DIR_NATIVE ${REACTOS_SOURCE_DIR})
  61  if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
  62 string(REPLACE "/" "\\" REACTOS_SOURCE_DIR_NATIVE ${REACTOS_SOURCE_DIR})
  63 endif()
  64
  65 if(NOT CMAKE_C_COMPILER_ID STREQUAL "Clang")
  66     add_compile_flags("-fdebug-prefix-map=\"${REACTOS_SOURCE_DIR_NATIVE}\"=ReactOS")
  67 endif()
  68
  69 # Debugging
  70 if(SEPARATE_DBG)
  71     add_compile_flags("-gdwarf-2 -g2")
  72 else()
  73     add_compile_flags("-gdwarf-2 -gstrict-dwarf")
  74     if(NOT CMAKE_C_COMPILER_ID STREQUAL "Clang")
  75         add_compile_flags("-femit-struct-debug-detailed=none -feliminate-unused-debug-symbols")
  76     endif()
  77 endif()
  78
  79 # For some reason, cmake sets -fPIC, and we don't want it
  80 if(DEFINED CMAKE_SHARED_LIBRARY_ASM_FLAGS)
  81     string(REPLACE "-fPIC" "" CMAKE_SHARED_LIBRARY_ASM_FLAGS ${CMAKE_SHARED_LIBRARY_ASM_FLAGS})
  82 endif()
  83
  84 # Tuning
  85 if(ARCH STREQUAL "i386")
  86     add_compile_flags("-march=${OARCH} -mtune=${TUNE}")
  87 else()
  88     add_compile_flags("-march=${OARCH}")
  89 endif()
  90
  91 # Warnings, errors
  92 if(NOT CMAKE_C_COMPILER_ID STREQUAL "Clang")
  93     add_compile_flags("-Werror")
  94 endif()
  95
  96 add_compile_flags("-Wall -Wpointer-arith")
  97 add_compile_flags("-Wno-char-subscripts -Wno-multichar -Wno-unused-value")
  98
  99 if(NOT CMAKE_C_COMPILER_ID STREQUAL "Clang")
 100     add_compile_flags("-Wno-maybe-uninitialized")
 101     add_compile_flags("-Wno-error=unused-but-set-variable")
 102 endif()
 103
 104 add_compile_flags("-Wno-error=type-limits")
 105
 106 if(ARCH STREQUAL "amd64")
 107     add_compile_flags("-Wno-format")
 108 elseif(ARCH STREQUAL "arm")
 109     add_compile_flags("-Wno-attributes")
 110 endif()
 111
 112 # Optimizations
 113 if(OPTIMIZE STREQUAL "1")
 114     add_compile_flags("-Os -ftracer")
 115 elseif(OPTIMIZE STREQUAL "2")
 116     add_compile_flags("-Os")
 117 elseif(OPTIMIZE STREQUAL "3")
 118     add_compile_flags("-Og")
 119 elseif(OPTIMIZE STREQUAL "4")
 120     add_compile_flags("-O1")
 121 elseif(OPTIMIZE STREQUAL "5")
 122     add_compile_flags("-O2")
 123 elseif(OPTIMIZE STREQUAL "6")
 124     add_compile_flags("-O3")
 125 elseif(OPTIMIZE STREQUAL "7")
 126     add_compile_flags("-Ofast")
 127 endif()
 128
 129 # Link-time code generation
 130 if(LTCG)
 131     add_compile_flags("-flto -fno-fat-lto-objects")
 132 endif()
 133
 134 if(ARCH STREQUAL "i386")
 135     add_compile_flags("-fno-optimize-sibling-calls -fno-omit-frame-pointer")
 136     if(NOT CMAKE_C_COMPILER_ID STREQUAL "Clang")
 137         add_compile_flags("-mpreferred-stack-boundary=3 -fno-set-stack-executable")
 138     endif()
 139     # FIXME: this doesn't work. CMAKE_BUILD_TYPE is always "Debug"
 140     if(NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
 141         add_compile_flags("-momit-leaf-frame-pointer")
 142     endif()
 143 elseif(ARCH STREQUAL "amd64")
 144     add_compile_flags("-mpreferred-stack-boundary=4")
 145 endif()
 146
 147 # Other
 148 if(ARCH STREQUAL "amd64")
 149     add_definitions(-U_X86_ -UWIN32)
 150 elseif(ARCH STREQUAL "arm")
 151     add_definitions(-U_UNICODE -UUNICODE)
 152     add_definitions(-D__MSVCRT__) # DUBIOUS
 153 endif()
 154
 155 add_definitions(-D_inline=__inline)
 156
 157 # Alternative arch name
 158 if(ARCH STREQUAL "amd64")
 159     set(ARCH2 x86_64)
 160 else()
 161     set(ARCH2 ${ARCH})
 162 endif()
 163
 164 if(SEPARATE_DBG)
 165     # PDB style debug puts all dwarf debug info in a separate dbg file
 166     message(STATUS "Building separate debug symbols")
 167     file(MAKE_DIRECTORY ${REACTOS_BINARY_DIR}/symbols)
 168     if(CMAKE_GENERATOR STREQUAL "Ninja")
 169         set(SYMBOL_FILE <TARGET_PDB>)
 170     else()
 171         set(SYMBOL_FILE <TARGET>.gdb)
 172     endif()
 173     set(OBJCOPY ${CMAKE_OBJCOPY})
 174     set(CMAKE_C_LINK_EXECUTABLE
 175         "<CMAKE_C_COMPILER> <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
 176         "${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/${SYMBOL_FILE}"
 177         "${OBJCOPY} --strip-debug <TARGET>")
 178     set(CMAKE_CXX_LINK_EXECUTABLE
 179         "<CMAKE_CXX_COMPILER> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
 180         "${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/${SYMBOL_FILE}"
 181         "${OBJCOPY} --strip-debug <TARGET>")
 182     set(CMAKE_C_CREATE_SHARED_LIBRARY
 183         "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
 184         "${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/${SYMBOL_FILE}"
 185         "${OBJCOPY} --strip-debug <TARGET>")
 186     set(CMAKE_CXX_CREATE_SHARED_LIBRARY
 187         "<CMAKE_CXX_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
 188         "${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/${SYMBOL_FILE}"
 189         "${OBJCOPY} --strip-debug <TARGET>")
 190     set(CMAKE_RC_CREATE_SHARED_LIBRARY
 191         "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
 192         "${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/${SYMBOL_FILE}"
 193         "${OBJCOPY} --strip-debug <TARGET>")
 194 else()
 195     # Normal rsym build
 196     get_target_property(RSYM native-rsym IMPORTED_LOCATION_NOCONFIG)
 197     set(CMAKE_C_LINK_EXECUTABLE
 198         "<CMAKE_C_COMPILER> ${CMAKE_C_FLAGS} <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
 199         "${RSYM} -s ${REACTOS_SOURCE_DIR} <TARGET> <TARGET>")
 200     set(CMAKE_CXX_LINK_EXECUTABLE
 201         "<CMAKE_CXX_COMPILER> ${CMAKE_CXX_FLAGS} <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
 202         "${RSYM} -s ${REACTOS_SOURCE_DIR} <TARGET> <TARGET>")
 203     set(CMAKE_C_CREATE_SHARED_LIBRARY
 204         "<CMAKE_C_COMPILER> ${CMAKE_C_FLAGS} <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
 205         "${RSYM} -s ${REACTOS_SOURCE_DIR} <TARGET> <TARGET>")
 206     set(CMAKE_CXX_CREATE_SHARED_LIBRARY
 207         "<CMAKE_CXX_COMPILER> ${CMAKE_CXX_FLAGS} <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
 208         "${RSYM} -s ${REACTOS_SOURCE_DIR} <TARGET> <TARGET>")
 209     set(CMAKE_RC_CREATE_SHARED_LIBRARY
 210         "<CMAKE_C_COMPILER> ${CMAKE_C_FLAGS} <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
 211 endif()
 212
 213 set(CMAKE_EXE_LINKER_FLAGS "-nostdlib -Wl,--enable-auto-image-base,--disable-auto-import,--disable-stdcall-fixup")
 214 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS_INIT} -Wl,--disable-stdcall-fixup")
 215
 216 if(NOT CMAKE_C_COMPILER_ID STREQUAL "Clang")
 217     set(_compress_debug_sections_flag "-Wa,--compress-debug-sections")
 218 endif()
 219
 220 SET(CMAKE_C_COMPILE_OBJECT "${CCACHE} <CMAKE_C_COMPILER> <DEFINES> ${_compress_debug_sections_flag} <FLAGS> -o <OBJECT> -c <SOURCE>")
 221 SET(CMAKE_CXX_COMPILE_OBJECT "${CCACHE} <CMAKE_CXX_COMPILER>  <DEFINES> <FLAGS> -o <OBJECT> -c <SOURCE>")
 222 set(CMAKE_ASM_COMPILE_OBJECT "<CMAKE_ASM_COMPILER> ${_compress_debug_sections_flag} -x assembler-with-cpp -o <OBJECT> -I${REACTOS_SOURCE_DIR}/include/asm -I${REACTOS_BINARY_DIR}/include/asm <FLAGS> <DEFINES> -D__ASM__ -c <SOURCE>")
 223
 224 set(CMAKE_RC_COMPILE_OBJECT "<CMAKE_RC_COMPILER> -O coff <FLAGS> -DRC_INVOKED -D__WIN32__=1 -D__FLAT__=1 ${I18N_DEFS} <DEFINES> <SOURCE> <OBJECT>")
 225 set(CMAKE_DEPFILE_FLAGS_RC "--preprocessor \"${MINGW_TOOLCHAIN_PREFIX}gcc${MINGW_TOOLCHAIN_SUFFIX} -E -xc-header -MMD -MF <DEPFILE> -MT <OBJECT>\" ")
 226
 227 # Optional 3rd parameter: stdcall stack bytes
 228 function(set_entrypoint MODULE ENTRYPOINT)
 229     if(${ENTRYPOINT} STREQUAL "0")
 230         add_target_link_flags(${MODULE} "-Wl,-entry,0")
 231     elseif(ARCH STREQUAL "i386")
 232         set(_entrysymbol _${ENTRYPOINT})
 233         if(${ARGC} GREATER 2)
 234             set(_entrysymbol ${_entrysymbol}@${ARGV2})
 235         endif()
 236         add_target_link_flags(${MODULE} "-Wl,-entry,${_entrysymbol}")
 237     else()
 238         add_target_link_flags(${MODULE} "-Wl,-entry,${ENTRYPOINT}")
 239     endif()
 240 endfunction()
 241
 242 function(set_subsystem MODULE SUBSYSTEM)
 243     add_target_link_flags(${MODULE} "-Wl,--subsystem,${SUBSYSTEM}")
 244 endfunction()
 245
 246 function(set_image_base MODULE IMAGE_BASE)
 247     add_target_link_flags(${MODULE} "-Wl,--image-base,${IMAGE_BASE}")
 248 endfunction()
 249
 250 function(set_module_type_toolchain MODULE TYPE)
 251     if(CPP_USE_STL)
 252         if((${TYPE} STREQUAL "kernelmodedriver") OR (${TYPE} STREQUAL "wdmdriver"))
 253             message(FATAL_ERROR "Use of STL in kernelmodedriver or wdmdriver type module prohibited")
 254         endif()
 255         target_link_libraries(${MODULE} -lstdc++ -lsupc++ -lgcc -lmingwex)
 256     elseif(CPP_USE_RT)
 257         target_link_libraries(${MODULE} -lsupc++ -lgcc)
 258     elseif(IS_CPP)
 259         target_link_libraries(${MODULE} -lgcc)
 260     endif()
 261
 262     if((${TYPE} STREQUAL "kernelmodedriver") OR (${TYPE} STREQUAL "wdmdriver"))
 263         add_target_link_flags(${MODULE} "-Wl,--exclude-all-symbols,-file-alignment=0x1000,-section-alignment=0x1000")
 264         if(${TYPE} STREQUAL "wdmdriver")
 265             add_target_link_flags(${MODULE} "-Wl,--wdmdriver")
 266         endif()
 267     endif()
 268 endfunction()
 269
 270 function(add_delay_importlibs _module)
 271     get_target_property(_module_type ${_module} TYPE)
 272     if(_module_type STREQUAL "STATIC_LIBRARY")
 273         message(FATAL_ERROR "Cannot add delay imports to a static library")
 274     endif()
 275     foreach(_lib ${ARGN})
 276         target_link_libraries(${_module} lib${_lib}_delayed)
 277     endforeach()
 278     target_link_libraries(${_module} delayimp)
 279 endfunction()
 280
 281 if(NOT ARCH STREQUAL "i386")
 282     set(DECO_OPTION "-@")
 283 endif()
 284
 285 function(generate_import_lib _libname _dllname _spec_file)
 286     # Generate the def for the import lib
 287     add_custom_command(
 288         OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def
 289         COMMAND native-spec2def -n=${_dllname} -a=${ARCH2} --implib -d=${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file}
 290         DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file} native-spec2def)
 291     set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def PROPERTIES EXTERNAL_OBJECT TRUE)
 292
 293     # Create normal importlib
 294     _add_library(${_libname} STATIC EXCLUDE_FROM_ALL ${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def)
 295     set_target_properties(${_libname} PROPERTIES LINKER_LANGUAGE "IMPLIB" PREFIX "")
 296
 297     # Create delayed importlib
 298     _add_library(${_libname}_delayed STATIC EXCLUDE_FROM_ALL ${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def)
 299     set_target_properties(${_libname}_delayed PROPERTIES LINKER_LANGUAGE "IMPLIB_DELAYED" PREFIX "")
 300 endfunction()
 301
 302 # Cute little hack to produce import libs
 303 set(CMAKE_IMPLIB_CREATE_STATIC_LIBRARY "${CMAKE_DLLTOOL} --def <OBJECTS> --kill-at --output-lib=<TARGET>")
 304 set(CMAKE_IMPLIB_DELAYED_CREATE_STATIC_LIBRARY "${CMAKE_DLLTOOL} --def <OBJECTS> --kill-at --output-delaylib=<TARGET>")
 305 function(spec2def _dllname _spec_file)
 306     # Do we also want to add importlib targets?
 307     if(${ARGC} GREATER 2)
 308         if(${ARGN} STREQUAL "ADD_IMPORTLIB")
 309             set(__add_importlib TRUE)
 310         else()
 311             message(FATAL_ERROR "Wrong argument passed to spec2def, ${ARGN}")
 312         endif()
 313     endif()
 314
 315     # Get library basename
 316     get_filename_component(_file ${_dllname} NAME_WE)
 317
 318     # Error out on anything else than spec
 319     if(NOT ${_spec_file} MATCHES ".*\\.spec")
 320         message(FATAL_ERROR "spec2def only takes spec files as input.")
 321     endif()
 322
 323     # Generate exports def and C stubs file for the DLL
 324     add_custom_command(
 325         OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${_file}.def ${CMAKE_CURRENT_BINARY_DIR}/${_file}_stubs.c
 326         COMMAND native-spec2def -n=${_dllname} -a=${ARCH2} -d=${CMAKE_CURRENT_BINARY_DIR}/${_file}.def -s=${CMAKE_CURRENT_BINARY_DIR}/${_file}_stubs.c ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file}
 327         DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file} native-spec2def)
 328
 329     if(__add_importlib)
 330         generate_import_lib(lib${_file} ${_dllname} ${_spec_file})
 331     endif()
 332 endfunction()
 333
 334 macro(macro_mc FLAG FILE)
 335     set(COMMAND_MC ${CMAKE_MC_COMPILER} ${FLAG} -b ${CMAKE_CURRENT_SOURCE_DIR}/${FILE}.mc -r ${REACTOS_BINARY_DIR}/include/reactos -h ${REACTOS_BINARY_DIR}/include/reactos)
 336 endmacro()
 337
 338 # PSEH lib, needed with mingw
 339 set(PSEH_LIB "pseh")
 340
 341 # Macros
 342 if(PCH)
 343     add_compile_flags("-Winvalid-pch -Werror=invalid-pch")
 344     macro(add_pch _target _pch _sources)
 345         # When including x.h GCC looks for x.h.gch first
 346         set(_pch_final_name "${_target}_pch.h")
 347         set(_gch ${CMAKE_CURRENT_BINARY_DIR}/${_pch_final_name}.gch)
 348
 349         if(IS_CPP)
 350             set(_pch_language CXX)
 351         else()
 352             set(_pch_language C)
 353         endif()
 354
 355         # Build the precompiled header
 356         # HEADER_FILE_ONLY FALSE: force compiling the header
 357         # EXTERNAL_SOURCE TRUE: don't use the .gch file when linking
 358         set_source_files_properties(${_pch} PROPERTIES
 359             HEADER_FILE_ONLY FALSE
 360             LANGUAGE ${_pch_language}
 361             EXTERNAL_SOURCE TRUE
 362             OBJECT_LOCATION ${_gch})
 363
 364         if(ENABLE_CCACHE)
 365             set(_ccache_flag "-fpch-preprocess")
 366         endif()
 367
 368         # Include the gch in the specified source files, skipping the pch file itself
 369         list(REMOVE_ITEM ${_sources} ${_pch})
 370         foreach(_src ${${_sources}})
 371             set_property(SOURCE ${_src} APPEND_STRING PROPERTY COMPILE_FLAGS " ${_ccache_flag} -include ${_pch_final_name}")
 372             set_property(SOURCE ${_src} APPEND PROPERTY OBJECT_DEPENDS ${_gch})
 373         endforeach()
 374     endmacro()
 375 else()
 376     macro(add_pch _target _pch _sources)
 377     endmacro()
 378 endif()
 379
 380 function(CreateBootSectorTarget _target_name _asm_file _binary_file _base_address)
 381     set(_object_file ${_binary_file}.o)
 382
 383     add_custom_command(
 384         OUTPUT ${_object_file}
 385         COMMAND ${CMAKE_ASM_COMPILER} -x assembler-with-cpp -o ${_object_file} -I${REACTOS_SOURCE_DIR}/include/asm -I${REACTOS_BINARY_DIR}/include/asm -D__ASM__ -c ${_asm_file}
 386         DEPENDS ${_asm_file})
 387
 388     add_custom_command(
 389         OUTPUT ${_binary_file}
 390         COMMAND native-obj2bin ${_object_file} ${_binary_file} ${_base_address}
 391         # COMMAND objcopy --output-target binary --image-base 0x${_base_address} ${_object_file} ${_binary_file}
 392         DEPENDS ${_object_file} native-obj2bin)
 393
 394     set_source_files_properties(${_object_file} ${_binary_file} PROPERTIES GENERATED TRUE)
 395
 396     add_custom_target(${_target_name} ALL DEPENDS ${_binary_file})
 397
 398 endfunction()
 399
 400 function(allow_warnings __module)
 401     add_target_compile_flags(${__module} "-Wno-error")
 402 endfunction()
 403
 404 macro(add_asm_files _target)
 405     list(APPEND ${_target} ${ARGN})
 406 endmacro()