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