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