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