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