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