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