reactos/cmake/gcc.cmake

   1
   2 # Show a note about ccache build
   3 if(CCACHE STREQUAL "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(SEPARATE_DBG)
  13     file(MAKE_DIRECTORY ${REACTOS_BINARY_DIR}/symbols)
  14 endif()
  15
  16 # Compiler Core
  17 add_compile_flags("-pipe -fms-extensions")
  18
  19 #bug
  20 #file(TO_NATIVE_PATH ${REACTOS_SOURCE_DIR} REACTOS_SOURCE_DIR_NATIVE)
  21 #workaround
  22 set(REACTOS_SOURCE_DIR_NATIVE ${REACTOS_SOURCE_DIR})
  23  if(CMAKE_HOST_SYSTEM_NAME MATCHES Windows)
  24 string(REPLACE "/" "\\" REACTOS_SOURCE_DIR_NATIVE ${REACTOS_SOURCE_DIR})
  25 endif()
  26 add_compile_flags("-fdebug-prefix-map=${REACTOS_SOURCE_DIR_NATIVE}=ReactOS")
  27
  28 # Debugging
  29 if(SEPARATE_DBG)
  30     add_compile_flags("-gdwarf-2 -g2")
  31 else()
  32     add_compile_flags("-gstabs+")
  33 endif()
  34
  35
  36 # Do not allow warnings
  37 add_compile_flags("-Werror")
  38
  39 # For some reason, cmake sets -fPIC, and we don't want it
  40 if(DEFINED CMAKE_SHARED_LIBRARY_ASM_FLAGS)
  41     string(REPLACE "-fPIC" "" CMAKE_SHARED_LIBRARY_ASM_FLAGS ${CMAKE_SHARED_LIBRARY_ASM_FLAGS})
  42 endif()
  43
  44 # Tuning
  45 if(ARCH MATCHES i386)
  46     add_compile_flags("-march=${OARCH} -mtune=${TUNE}")
  47 else()
  48     add_compile_flags("-march=${OARCH}")
  49 endif()
  50
  51 # Warnings
  52 add_compile_flags("-Wall -Wno-char-subscripts -Wpointer-arith -Wno-multichar -Wno-unused-value")
  53
  54 if(GCC_VERSION VERSION_LESS 4.6)
  55     add_compile_flags("-Wno-error=uninitialized")
  56 elseif((GCC_VERSION VERSION_GREATER 4.6 OR GCC_VERSION VERSION_EQUAL 4.6) AND GCC_VERSION VERSION_LESS 4.7)
  57     add_compile_flags("-Wno-error=unused-but-set-variable -Wno-error=uninitialized")
  58 elseif(GCC_VERSION VERSION_EQUAL 4.7 OR GCC_VERSION VERSION_GREATER 4.7)
  59     add_compile_flags("-Wno-error=unused-but-set-variable -Wno-error=maybe-uninitialized -Wno-error=delete-non-virtual-dtor -Wno-error=narrowing")
  60 endif()
  61
  62 if(ARCH MATCHES amd64)
  63     add_compile_flags("-Wno-format")
  64 elseif(ARCH MATCHES arm)
  65     add_compile_flags("-Wno-attributes")
  66 endif()
  67
  68 # Optimizations
  69 if(OPTIMIZE STREQUAL "1")
  70     add_compile_flags("-Os")
  71 elseif(OPTIMIZE STREQUAL "2")
  72     add_compile_flags("-Os")
  73 elseif(OPTIMIZE STREQUAL "3")
  74     add_compile_flags("-O1")
  75 elseif(OPTIMIZE STREQUAL "4")
  76     add_compile_flags("-O2")
  77 elseif(OPTIMIZE STREQUAL "5")
  78     add_compile_flags("-O3")
  79 endif()
  80
  81 add_compile_flags("-fno-strict-aliasing")
  82
  83 if(ARCH MATCHES i386)
  84     add_compile_flags("-mpreferred-stack-boundary=2 -fno-set-stack-executable -fno-optimize-sibling-calls -fno-omit-frame-pointer")
  85     if(OPTIMIZE STREQUAL "1")
  86         add_compile_flags("-ftracer -momit-leaf-frame-pointer")
  87     endif()
  88 elseif(ARCH MATCHES amd64)
  89     add_compile_flags("-mpreferred-stack-boundary=4")
  90     if(OPTIMIZE STREQUAL "1")
  91         add_compile_flags("-ftracer -momit-leaf-frame-pointer")
  92     endif()
  93 elseif(ARCH MATCHES arm)
  94     if(OPTIMIZE STREQUAL "1")
  95         add_compile_flags("-ftracer")
  96     endif()
  97 endif()
  98
  99 # Other
 100 if(ARCH MATCHES amd64)
 101     add_definitions(-U_X86_ -UWIN32)
 102 elseif(ARCH MATCHES arm)
 103     add_definitions(-U_UNICODE -UUNICODE)
 104     add_definitions(-D__MSVCRT__) # DUBIOUS
 105 endif()
 106
 107 add_definitions(-D_inline=__inline)
 108
 109 # alternative arch name
 110 if(ARCH MATCHES amd64)
 111     set(ARCH2 x86_64)
 112 else()
 113     set(ARCH2 ${ARCH})
 114 endif()
 115
 116 if(SEPARATE_DBG)
 117     # PDB style debug puts all dwarf debug info in a separate dbg file
 118     set(OBJCOPY ${CMAKE_OBJCOPY})
 119     set(CMAKE_C_LINK_EXECUTABLE
 120         "<CMAKE_C_COMPILER> <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
 121         "${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/<TARGET>.dbg"
 122         "${OBJCOPY} --strip-debug <TARGET>")
 123     set(CMAKE_CXX_LINK_EXECUTABLE
 124         "<CMAKE_CXX_COMPILER> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
 125         "${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/<TARGET>.dbg"
 126         "${OBJCOPY} --strip-debug <TARGET>")
 127     set(CMAKE_C_CREATE_SHARED_LIBRARY
 128         "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
 129         "${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/<TARGET>.dbg"
 130         "${OBJCOPY} --strip-debug <TARGET>")
 131     set(CMAKE_CXX_CREATE_SHARED_LIBRARY
 132         "<CMAKE_CXX_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
 133         "${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/<TARGET>.dbg"
 134         "${OBJCOPY} --strip-debug <TARGET>")
 135     set(CMAKE_RC_CREATE_SHARED_LIBRARY
 136         "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
 137         "${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/<TARGET>.dbg"
 138         "${OBJCOPY} --strip-debug <TARGET>")
 139 else()
 140     # Normal rsym build
 141     get_target_property(RSYM native-rsym IMPORTED_LOCATION_NOCONFIG)
 142     set(CMAKE_C_LINK_EXECUTABLE
 143         "<CMAKE_C_COMPILER> <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
 144         "${RSYM} <TARGET> <TARGET>")
 145     set(CMAKE_CXX_LINK_EXECUTABLE
 146         "<CMAKE_CXX_COMPILER> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
 147         "${RSYM} <TARGET> <TARGET>")
 148     set(CMAKE_C_CREATE_SHARED_LIBRARY
 149         "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
 150         "${RSYM} <TARGET> <TARGET>")
 151     set(CMAKE_CXX_CREATE_SHARED_LIBRARY
 152         "<CMAKE_CXX_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
 153         "${RSYM} <TARGET> <TARGET>")
 154     set(CMAKE_RC_CREATE_SHARED_LIBRARY
 155         "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
 156         "${RSYM} <TARGET> <TARGET>")
 157 endif()
 158
 159 set(CMAKE_EXE_LINKER_FLAGS "-nostdlib -Wl,--enable-auto-image-base,--disable-auto-import,--disable-stdcall-fixup")
 160 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS_INIT} -Wl,--disable-stdcall-fixup")
 161
 162 SET(CMAKE_C_COMPILE_OBJECT "${CCACHE} <CMAKE_C_COMPILER> <DEFINES> <FLAGS> -o <OBJECT> -c <SOURCE>")
 163 SET(CMAKE_CXX_COMPILE_OBJECT "${CCACHE} <CMAKE_CXX_COMPILER>  <DEFINES> <FLAGS> -o <OBJECT> -c <SOURCE>")
 164 set(CMAKE_ASM_COMPILE_OBJECT "<CMAKE_ASM_COMPILER> -x assembler-with-cpp -o <OBJECT> -I${REACTOS_SOURCE_DIR}/include/asm -I${REACTOS_BINARY_DIR}/include/asm <FLAGS> <DEFINES> -D__ASM__ -c <SOURCE>")
 165
 166 set(CMAKE_RC_COMPILE_OBJECT "<CMAKE_RC_COMPILER> -i <SOURCE> <CMAKE_C_LINK_FLAGS> <DEFINES> ${I18N_DEFS} -DRC_INVOKED -D__WIN32__=1 -D__FLAT__=1 -I${REACTOS_SOURCE_DIR}/include/psdk -I${REACTOS_BINARY_DIR}/include/psdk -I${REACTOS_SOURCE_DIR}/include/ -I${REACTOS_SOURCE_DIR}/include/reactos -I${REACTOS_BINARY_DIR}/include/reactos -I${REACTOS_SOURCE_DIR}/include/reactos/wine -I${REACTOS_SOURCE_DIR}/include/crt -I${REACTOS_SOURCE_DIR}/include/crt/mingw32 -O coff -o <OBJECT>")
 167
 168 # Optional 3rd parameter: stdcall stack bytes
 169 function(set_entrypoint MODULE ENTRYPOINT)
 170     if(${ENTRYPOINT} STREQUAL "0")
 171         add_target_link_flags(${MODULE} "-Wl,-entry,0")
 172     elseif(ARCH MATCHES i386)
 173         set(_entrysymbol _${ENTRYPOINT})
 174         if(${ARGC} GREATER 2)
 175             set(_entrysymbol ${_entrysymbol}@${ARGV2})
 176         endif()
 177         add_target_link_flags(${MODULE} "-Wl,-entry,${_entrysymbol}")
 178     else()
 179         add_target_link_flags(${MODULE} "-Wl,-entry,${ENTRYPOINT}")
 180     endif()
 181 endfunction()
 182
 183 function(set_subsystem MODULE SUBSYSTEM)
 184     add_target_link_flags(${MODULE} "-Wl,--subsystem,${SUBSYSTEM}")
 185 endfunction()
 186
 187 function(set_image_base MODULE IMAGE_BASE)
 188     add_target_link_flags(${MODULE} "-Wl,--image-base,${IMAGE_BASE}")
 189 endfunction()
 190
 191 function(set_module_type_toolchain MODULE TYPE)
 192     if(IS_CPP)
 193         target_link_libraries(${MODULE} -lstdc++ -lsupc++ -lgcc -lmingwex)
 194     endif()
 195
 196     if(${TYPE} STREQUAL kernelmodedriver)
 197         add_target_link_flags(${MODULE} "-Wl,--exclude-all-symbols,-file-alignment=0x1000,-section-alignment=0x1000")
 198     endif()
 199 endfunction()
 200
 201 function(set_rc_compiler)
 202     get_directory_property(defines COMPILE_DEFINITIONS)
 203     get_directory_property(includes INCLUDE_DIRECTORIES)
 204
 205     foreach(arg ${defines})
 206         set(rc_result_defs "${rc_result_defs} -D${arg}")
 207     endforeach()
 208
 209     foreach(arg ${includes})
 210         set(rc_result_incs "-I${arg} ${rc_result_incs}")
 211     endforeach()
 212
 213     set(CMAKE_RC_COMPILE_OBJECT "<CMAKE_RC_COMPILER> ${rc_result_defs} ${I18N_DEFS} -DRC_INVOKED -D__WIN32__=1 -D__FLAT__=1 -I${CMAKE_CURRENT_SOURCE_DIR} ${rc_result_incs} -i <SOURCE> -O coff -o <OBJECT>" PARENT_SCOPE)
 214 endfunction()
 215
 216 function(add_delay_importlibs MODULE)
 217     foreach(LIB ${ARGN})
 218         target_link_libraries(${MODULE} lib${LIB}_delayed)
 219     endforeach()
 220     target_link_libraries(${MODULE} delayimp)
 221 endfunction()
 222
 223 if(NOT ARCH MATCHES i386)
 224     set(DECO_OPTION "-@")
 225 endif()
 226
 227 # Cute little hack to produce import libs
 228 set(CMAKE_IMPLIB_CREATE_STATIC_LIBRARY "${CMAKE_DLLTOOL} --def <OBJECTS> --kill-at --output-lib=<TARGET>")
 229 set(CMAKE_IMPLIB_DELAYED_CREATE_STATIC_LIBRARY "${CMAKE_DLLTOOL} --def <OBJECTS> --kill-at --output-delaylib=<TARGET>")
 230 function(add_importlib_target _exports_file _implib_name)
 231     get_filename_component(_name ${_exports_file} NAME_WE)
 232     get_filename_component(_extension ${_exports_file} EXT)
 233
 234     if(${_extension} STREQUAL ".spec")
 235
 236         # generate .def
 237         add_custom_command(
 238             OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${_name}_implib.def
 239             COMMAND native-spec2def -n=${_implib_name} -a=${ARCH2} -d=${CMAKE_CURRENT_BINARY_DIR}/${_name}_implib.def ${CMAKE_CURRENT_SOURCE_DIR}/${_exports_file}
 240             DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${_exports_file} native-spec2def)
 241         set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/${_name}_implib.def PROPERTIES EXTERNAL_OBJECT TRUE)
 242
 243         #create normal importlib
 244         add_library(lib${_name} STATIC EXCLUDE_FROM_ALL ${CMAKE_CURRENT_BINARY_DIR}/${_name}_implib.def)
 245         set_target_properties(lib${_name} PROPERTIES LINKER_LANGUAGE "IMPLIB" PREFIX "")
 246
 247         #create delayed importlib
 248         add_library(lib${_name}_delayed STATIC EXCLUDE_FROM_ALL ${CMAKE_CURRENT_BINARY_DIR}/${_name}_implib.def)
 249         set_target_properties(lib${_name}_delayed PROPERTIES LINKER_LANGUAGE "IMPLIB_DELAYED" PREFIX "")
 250     else()
 251         message(FATAL_ERROR "Unsupported exports file extension: ${_extension}")
 252     endif()
 253 endfunction()
 254
 255 function(spec2def _dllname _spec_file)
 256
 257     if(${ARGC} GREATER 2)
 258         set(_file ${ARGV2})
 259     else()
 260         get_filename_component(_file ${_spec_file} NAME_WE)
 261     endif()
 262
 263     add_custom_command(
 264         OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${_file}.def ${CMAKE_CURRENT_BINARY_DIR}/${_file}_stubs.c
 265         COMMAND native-spec2def -n=${_dllname} --kill-at -a=${ARCH2} -d=${CMAKE_CURRENT_BINARY_DIR}/${_file}.def -s=${CMAKE_CURRENT_BINARY_DIR}/${_file}_stubs.c ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file}
 266         DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file} native-spec2def)
 267     set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/${_file}.def
 268         PROPERTIES GENERATED TRUE EXTERNAL_OBJECT TRUE)
 269     set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/${_file}_stubs.c PROPERTIES GENERATED TRUE)
 270 endfunction()
 271
 272 macro(macro_mc FLAG FILE)
 273     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)
 274 endmacro()
 275
 276 #pseh lib, needed with mingw
 277 set(PSEH_LIB "pseh")
 278
 279 # Macros
 280 if(PCH)
 281     macro(_PCH_GET_COMPILE_FLAGS _target_name _out_compile_flags _header_filename)
 282         # Add the precompiled header to the build
 283         get_filename_component(_FILE ${_header_filename} NAME)
 284         set(_gch_filename "${_FILE}.gch")
 285         list(APPEND ${_out_compile_flags} -c ${_header_filename} -o ${_gch_filename})
 286
 287         # This gets us our includes
 288         get_directory_property(DIRINC INCLUDE_DIRECTORIES)
 289         foreach(item ${DIRINC})
 290             list(APPEND ${_out_compile_flags} -I${item})
 291         endforeach()
 292
 293         # This our definitions
 294         get_directory_property(_compiler_flags DEFINITIONS)
 295         list(APPEND ${_out_compile_flags} ${_compiler_flags})
 296
 297         # This gets any specific definitions that were added with set-target-property
 298         get_target_property(_target_defs ${_target_name} COMPILE_DEFINITIONS)
 299         if(_target_defs)
 300             foreach(item ${_target_defs})
 301                 list(APPEND ${_out_compile_flags} -D${item})
 302             endforeach()
 303         endif()
 304
 305         if(IS_CPP)
 306             list(APPEND ${_out_compile_flags} ${CMAKE_CXX_FLAGS})
 307         else()
 308             list(APPEND ${_out_compile_flags} ${CMAKE_C_FLAGS})
 309         endif()
 310
 311         separate_arguments(${_out_compile_flags})
 312     endmacro()
 313
 314     macro(add_pch _target_name _FILE)
 315         set(_header_filename ${CMAKE_CURRENT_SOURCE_DIR}/${_FILE})
 316         get_filename_component(_basename ${_FILE} NAME)
 317         set(_gch_filename ${_basename}.gch)
 318         _PCH_GET_COMPILE_FLAGS(${_target_name} _args ${_header_filename})
 319
 320         if(IS_CPP)
 321             set(__lang CXX)
 322             set(__compiler ${CCACHE} ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1})
 323         else()
 324             set(__lang C)
 325             set(__compiler ${CCACHE} ${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1})
 326         endif()
 327
 328         add_custom_command(OUTPUT ${_gch_filename}
 329             COMMAND ${__compiler} ${_args}
 330             IMPLICIT_DEPENDS ${__lang} ${_header_filename}
 331             DEPENDS ${_header_filename} ${ARGN})
 332         get_target_property(_src_files ${_target_name} SOURCES)
 333         add_target_compile_flags(${_target_name} "-fpch-preprocess -Winvalid-pch -Wno-error=invalid-pch")
 334         foreach(_item in ${_src_files})
 335             get_source_file_property(__src_lang ${_item} LANGUAGE)
 336             if(__src_lang STREQUAL __lang)
 337                 set_source_files_properties(${_item} PROPERTIES OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${_gch_filename})
 338             endif()
 339         endforeach()
 340         #set dependency checking : depends on precompiled header only which already depends on deeper header
 341         set_target_properties(${_target_name} PROPERTIES IMPLICIT_DEPENDS_INCLUDE_TRANSFORM "\"${_basename}\"=;<${_basename}>=")
 342     endmacro()
 343 else()
 344     macro(add_pch _target_name _FILE)
 345     endmacro()
 346 endif()
 347
 348 function(CreateBootSectorTarget _target_name _asm_file _object_file _base_address)
 349     get_filename_component(OBJECT_PATH ${_object_file} PATH)
 350     get_filename_component(OBJECT_NAME ${_object_file} NAME)
 351     file(MAKE_DIRECTORY ${OBJECT_PATH})
 352     get_directory_property(defines COMPILE_DEFINITIONS)
 353     get_directory_property(includes INCLUDE_DIRECTORIES)
 354
 355     foreach(arg ${defines})
 356         set(result_defs ${result_defs} -D${arg})
 357     endforeach()
 358
 359     foreach(arg ${includes})
 360         set(result_incs -I${arg} ${result_incs})
 361     endforeach()
 362
 363     add_custom_command(
 364         OUTPUT ${_object_file}
 365         COMMAND nasm -o ${_object_file} ${result_incs} ${result_defs} -f bin ${_asm_file}
 366         DEPENDS ${_asm_file})
 367     set_source_files_properties(${_object_file} PROPERTIES GENERATED TRUE)
 368     add_custom_target(${_target_name} ALL DEPENDS ${_object_file})
 369 endfunction()
 370
 371 function(CreateBootSectorTarget2 _target_name _asm_file _binary_file _base_address)
 372     set(_object_file ${_binary_file}.o)
 373
 374     add_custom_command(
 375         OUTPUT ${_object_file}
 376         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}
 377         DEPENDS ${_asm_file})
 378
 379     add_custom_command(
 380         OUTPUT ${_binary_file}
 381         COMMAND native-obj2bin ${_object_file} ${_binary_file} ${_base_address}
 382         # COMMAND objcopy --output-target binary --image-base 0x${_base_address} ${_object_file} ${_binary_file}
 383         DEPENDS ${_object_file} native-obj2bin)
 384
 385     set_source_files_properties(${_object_file} ${_binary_file} PROPERTIES GENERATED TRUE)
 386
 387     add_custom_target(${_target_name} ALL DEPENDS ${_binary_file})
 388
 389 endfunction()
 390
 391 function(allow_warnings __module)
 392     add_target_compile_flags(${__module} "-Wno-error")
 393 endfunction()