cmake/gcc.cmake

   1
   2 # Show a note about ccache build
   3 if(CCACHE STREQUAL "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 0)
  14 endif()
  15
  16 if(USE_PSEH3)
  17     add_definitions(-D_USE_PSEH3=1)
  18 endif()
  19
  20 # Compiler Core
  21 add_compile_flags("-pipe -fms-extensions -fno-strict-aliasing")
  22 if(GCC_VERSION VERSION_GREATER 4.7)
  23     add_compile_flags("-mstackrealign")
  24 endif()
  25
  26 add_compile_flags_language("-fno-rtti -fno-exceptions" "CXX")
  27
  28 #bug
  29 #file(TO_NATIVE_PATH ${REACTOS_SOURCE_DIR} REACTOS_SOURCE_DIR_NATIVE)
  30 #workaround
  31 set(REACTOS_SOURCE_DIR_NATIVE ${REACTOS_SOURCE_DIR})
  32  if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
  33 string(REPLACE "/" "\\" REACTOS_SOURCE_DIR_NATIVE ${REACTOS_SOURCE_DIR})
  34 endif()
  35 add_compile_flags("-fdebug-prefix-map=\"${REACTOS_SOURCE_DIR_NATIVE}\"=ReactOS")
  36
  37 # Debugging
  38 if(SEPARATE_DBG)
  39     add_compile_flags("-gdwarf-2 -g2")
  40 else()
  41     add_compile_flags("-gdwarf-2 -gstrict-dwarf -femit-struct-debug-detailed=none -feliminate-unused-debug-symbols")
  42 endif()
  43
  44 # For some reason, cmake sets -fPIC, and we don't want it
  45 if(DEFINED CMAKE_SHARED_LIBRARY_ASM_FLAGS)
  46     string(REPLACE "-fPIC" "" CMAKE_SHARED_LIBRARY_ASM_FLAGS ${CMAKE_SHARED_LIBRARY_ASM_FLAGS})
  47 endif()
  48
  49 # Tuning
  50 if(ARCH STREQUAL "i386")
  51     add_compile_flags("-march=${OARCH} -mtune=${TUNE}")
  52 else()
  53     add_compile_flags("-march=${OARCH}")
  54 endif()
  55
  56 # Warnings
  57 add_compile_flags("-Werror -Wall -Wno-char-subscripts -Wpointer-arith -Wno-multichar -Wno-unused-value")
  58
  59 if(GCC_VERSION VERSION_LESS 4.7)
  60     add_compile_flags("-Wno-error=uninitialized")
  61 elseif(GCC_VERSION VERSION_EQUAL 4.7 OR GCC_VERSION VERSION_GREATER 4.7)
  62     add_compile_flags("-Wno-error=unused-but-set-variable -Wno-maybe-uninitialized -Wno-error=narrowing")
  63 endif()
  64
  65 if(ARCH STREQUAL "amd64")
  66     add_compile_flags("-Wno-format")
  67 elseif(ARCH STREQUAL "arm")
  68     add_compile_flags("-Wno-attributes")
  69 endif()
  70
  71 # Optimizations
  72 if(OPTIMIZE STREQUAL "1")
  73     add_compile_flags("-Os -ftracer")
  74 elseif(OPTIMIZE STREQUAL "2")
  75     add_compile_flags("-Os")
  76 elseif(OPTIMIZE STREQUAL "3")
  77     add_compile_flags("-O1 -fno-inline-functions-called-once -fno-tree-sra")
  78 elseif(OPTIMIZE STREQUAL "4")
  79     add_compile_flags("-O1")
  80 elseif(OPTIMIZE STREQUAL "5")
  81     add_compile_flags("-O2")
  82 elseif(OPTIMIZE STREQUAL "6")
  83     add_compile_flags("-O3")
  84 elseif(OPTIMIZE STREQUAL "7")
  85     add_compile_flags("-Ofast")
  86 endif()
  87
  88 # Link-time code generation
  89 if(LTCG)
  90     add_compile_flags("-flto -Wno-error=clobbered")
  91 endif()
  92
  93 if(ARCH STREQUAL "i386")
  94     add_compile_flags("-mpreferred-stack-boundary=3 -fno-set-stack-executable -fno-optimize-sibling-calls -fno-omit-frame-pointer")
  95     if(NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
  96         add_compile_flags("-momit-leaf-frame-pointer")
  97     endif()
  98 elseif(ARCH STREQUAL "amd64")
  99     add_compile_flags("-mpreferred-stack-boundary=4")
 100 endif()
 101
 102 # Other
 103 if(ARCH STREQUAL "amd64")
 104     add_definitions(-U_X86_ -UWIN32)
 105 elseif(ARCH STREQUAL "arm")
 106     add_definitions(-U_UNICODE -UUNICODE)
 107     add_definitions(-D__MSVCRT__) # DUBIOUS
 108 endif()
 109
 110 add_definitions(-D_inline=__inline)
 111
 112 # alternative arch name
 113 if(ARCH STREQUAL "amd64")
 114     set(ARCH2 x86_64)
 115 else()
 116     set(ARCH2 ${ARCH})
 117 endif()
 118
 119 if(SEPARATE_DBG)
 120     # PDB style debug puts all dwarf debug info in a separate dbg file
 121     message(STATUS "Building separate debug symbols")
 122     file(MAKE_DIRECTORY ${REACTOS_BINARY_DIR}/symbols)
 123     if(CMAKE_GENERATOR STREQUAL "Ninja")
 124         set(SYMBOL_FILE <TARGET_PDB>)
 125     else()
 126         set(SYMBOL_FILE <TARGET>.gdb)
 127     endif()
 128     set(OBJCOPY ${CMAKE_OBJCOPY})
 129     set(CMAKE_C_LINK_EXECUTABLE
 130         "<CMAKE_C_COMPILER> <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
 131         "${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/${SYMBOL_FILE}"
 132         "${OBJCOPY} --strip-debug <TARGET>")
 133     set(CMAKE_CXX_LINK_EXECUTABLE
 134         "<CMAKE_CXX_COMPILER> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
 135         "${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/${SYMBOL_FILE}"
 136         "${OBJCOPY} --strip-debug <TARGET>")
 137     set(CMAKE_C_CREATE_SHARED_LIBRARY
 138         "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
 139         "${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/${SYMBOL_FILE}"
 140         "${OBJCOPY} --strip-debug <TARGET>")
 141     set(CMAKE_CXX_CREATE_SHARED_LIBRARY
 142         "<CMAKE_CXX_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
 143         "${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/${SYMBOL_FILE}"
 144         "${OBJCOPY} --strip-debug <TARGET>")
 145     set(CMAKE_RC_CREATE_SHARED_LIBRARY
 146         "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
 147         "${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/${SYMBOL_FILE}"
 148         "${OBJCOPY} --strip-debug <TARGET>")
 149 else()
 150     # Normal rsym build
 151     get_target_property(RSYM native-rsym IMPORTED_LOCATION_NOCONFIG)
 152     set(CMAKE_C_LINK_EXECUTABLE
 153         "<CMAKE_C_COMPILER> ${CMAKE_C_FLAGS} <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
 154         "${RSYM} -s ${REACTOS_SOURCE_DIR} <TARGET> <TARGET>")
 155     set(CMAKE_CXX_LINK_EXECUTABLE
 156         "<CMAKE_CXX_COMPILER> ${CMAKE_CXX_FLAGS} <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
 157         "${RSYM} -s ${REACTOS_SOURCE_DIR} <TARGET> <TARGET>")
 158     set(CMAKE_C_CREATE_SHARED_LIBRARY
 159         "<CMAKE_C_COMPILER> ${CMAKE_C_FLAGS} <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
 160         "${RSYM} -s ${REACTOS_SOURCE_DIR} <TARGET> <TARGET>")
 161     set(CMAKE_CXX_CREATE_SHARED_LIBRARY
 162         "<CMAKE_CXX_COMPILER> ${CMAKE_CXX_FLAGS} <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
 163         "${RSYM} -s ${REACTOS_SOURCE_DIR} <TARGET> <TARGET>")
 164     set(CMAKE_RC_CREATE_SHARED_LIBRARY
 165         "<CMAKE_C_COMPILER> ${CMAKE_C_FLAGS} <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
 166 endif()
 167
 168 set(CMAKE_EXE_LINKER_FLAGS "-nostdlib -Wl,--enable-auto-image-base,--disable-auto-import,--disable-stdcall-fixup")
 169 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS_INIT} -Wl,--disable-stdcall-fixup")
 170
 171 SET(CMAKE_C_COMPILE_OBJECT "${CCACHE} <CMAKE_C_COMPILER> <DEFINES> -Wa,--compress-debug-sections <FLAGS> -o <OBJECT> -c <SOURCE>")
 172 SET(CMAKE_CXX_COMPILE_OBJECT "${CCACHE} <CMAKE_CXX_COMPILER>  <DEFINES> <FLAGS> -o <OBJECT> -c <SOURCE>")
 173 set(CMAKE_ASM_COMPILE_OBJECT "<CMAKE_ASM_COMPILER> -Wa,--compress-debug-sections -x assembler-with-cpp -o <OBJECT> -I${REACTOS_SOURCE_DIR}/include/asm -I${REACTOS_BINARY_DIR}/include/asm <FLAGS> <DEFINES> -D__ASM__ -c <SOURCE>")
 174
 175 set(CMAKE_RC_COMPILE_OBJECT "<CMAKE_RC_COMPILER> -O coff <FLAGS> -DRC_INVOKED -D__WIN32__=1 -D__FLAT__=1 ${I18N_DEFS} <DEFINES> <SOURCE> <OBJECT>")
 176 set(CMAKE_DEPFILE_FLAGS_RC "--preprocessor \"${MINGW_TOOLCHAIN_PREFIX}gcc${MINGW_TOOLCHAIN_SUFFIX} -E -xc-header -MMD -MF <DEPFILE> -MT <OBJECT>\" ")
 177
 178 # Optional 3rd parameter: stdcall stack bytes
 179 function(set_entrypoint MODULE ENTRYPOINT)
 180     if(${ENTRYPOINT} STREQUAL "0")
 181         add_target_link_flags(${MODULE} "-Wl,-entry,0")
 182     elseif(ARCH STREQUAL "i386")
 183         set(_entrysymbol _${ENTRYPOINT})
 184         if(${ARGC} GREATER 2)
 185             set(_entrysymbol ${_entrysymbol}@${ARGV2})
 186         endif()
 187         add_target_link_flags(${MODULE} "-Wl,-entry,${_entrysymbol}")
 188     else()
 189         add_target_link_flags(${MODULE} "-Wl,-entry,${ENTRYPOINT}")
 190     endif()
 191 endfunction()
 192
 193 function(set_subsystem MODULE SUBSYSTEM)
 194     add_target_link_flags(${MODULE} "-Wl,--subsystem,${SUBSYSTEM}")
 195 endfunction()
 196
 197 function(set_image_base MODULE IMAGE_BASE)
 198     add_target_link_flags(${MODULE} "-Wl,--image-base,${IMAGE_BASE}")
 199 endfunction()
 200
 201 function(set_module_type_toolchain MODULE TYPE)
 202     if(CPP_USE_STL)
 203         if((${TYPE} STREQUAL "kernelmodedriver") OR (${TYPE} STREQUAL "wdmdriver"))
 204             message(FATAL_ERROR "Use of STL in kernelmodedriver or wdmdriver type module prohibited")
 205         endif()
 206         target_link_libraries(${MODULE} -lstdc++ -lsupc++ -lgcc -lmingwex)
 207     elseif(CPP_USE_RT)
 208         target_link_libraries(${MODULE} -lsupc++ -lgcc)
 209     elseif(IS_CPP)
 210         target_link_libraries(${MODULE} -lgcc)
 211     endif()
 212
 213     if((${TYPE} STREQUAL "kernelmodedriver") OR (${TYPE} STREQUAL "wdmdriver"))
 214         add_target_link_flags(${MODULE} "-Wl,--exclude-all-symbols,-file-alignment=0x1000,-section-alignment=0x1000")
 215         if(${TYPE} STREQUAL "wdmdriver")
 216             add_target_link_flags(${MODULE} "-Wl,--wdmdriver")
 217         endif()
 218     endif()
 219 endfunction()
 220
 221 function(add_delay_importlibs _module)
 222     get_target_property(_module_type ${_module} TYPE)
 223     if(_module_type STREQUAL "STATIC_LIBRARY")
 224         message(FATAL_ERROR "Cannot add delay imports to a static library")
 225     endif()
 226     foreach(_lib ${ARGN})
 227         target_link_libraries(${_module} lib${_lib}_delayed)
 228     endforeach()
 229     target_link_libraries(${_module} delayimp)
 230 endfunction()
 231
 232 if(NOT ARCH STREQUAL "i386")
 233     set(DECO_OPTION "-@")
 234 endif()
 235
 236 function(generate_import_lib _libname _dllname _spec_file)
 237     # generate the def for the import lib
 238     add_custom_command(
 239         OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def
 240         COMMAND native-spec2def -n=${_dllname} -a=${ARCH2} -d=${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file}
 241         DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file} native-spec2def)
 242     set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def PROPERTIES EXTERNAL_OBJECT TRUE)
 243
 244     #create normal importlib
 245     _add_library(${_libname} STATIC EXCLUDE_FROM_ALL ${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def)
 246     set_target_properties(${_libname} PROPERTIES LINKER_LANGUAGE "IMPLIB" PREFIX "")
 247
 248     #create delayed importlib
 249     _add_library(${_libname}_delayed STATIC EXCLUDE_FROM_ALL ${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def)
 250     set_target_properties(${_libname}_delayed PROPERTIES LINKER_LANGUAGE "IMPLIB_DELAYED" PREFIX "")
 251 endfunction()
 252
 253 # Cute little hack to produce import libs
 254 set(CMAKE_IMPLIB_CREATE_STATIC_LIBRARY "${CMAKE_DLLTOOL} --def <OBJECTS> --kill-at --output-lib=<TARGET>")
 255 set(CMAKE_IMPLIB_DELAYED_CREATE_STATIC_LIBRARY "${CMAKE_DLLTOOL} --def <OBJECTS> --kill-at --output-delaylib=<TARGET>")
 256 function(spec2def _dllname _spec_file)
 257     # do we also want to add importlib targets?
 258     if(${ARGC} GREATER 2)
 259         if(${ARGN} STREQUAL "ADD_IMPORTLIB")
 260             set(__add_importlib TRUE)
 261         else()
 262             message(FATAL_ERROR "Wrong argument passed to spec2def, ${ARGN}")
 263         endif()
 264     endif()
 265
 266     # get library basename
 267     get_filename_component(_file ${_dllname} NAME_WE)
 268
 269     # error out on anything else than spec
 270     if(NOT ${_spec_file} MATCHES ".*\\.spec")
 271         message(FATAL_ERROR "spec2def only takes spec files as input.")
 272     endif()
 273
 274     # generate exports def and stubs C file for the module
 275     add_custom_command(
 276         OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${_file}.def ${CMAKE_CURRENT_BINARY_DIR}/${_file}_stubs.c
 277         COMMAND native-spec2def -n=${_dllname} --kill-at -a=${ARCH2} -d=${CMAKE_CURRENT_BINARY_DIR}/${_file}.def -s=${CMAKE_CURRENT_BINARY_DIR}/${_file}_stubs.c ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file}
 278         DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file} native-spec2def)
 279
 280     if(__add_importlib)
 281         generate_import_lib(lib${_file} ${_dllname} ${_spec_file})
 282     endif()
 283 endfunction()
 284
 285 macro(macro_mc FLAG FILE)
 286     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)
 287 endmacro()
 288
 289 #pseh lib, needed with mingw
 290 set(PSEH_LIB "pseh")
 291
 292 # Macros
 293 if(PCH)
 294     macro(_PCH_GET_COMPILE_FLAGS _target_name _out_compile_flags _header_filename)
 295         # Add the precompiled header to the build
 296         get_filename_component(_FILE ${_header_filename} NAME)
 297         set(_gch_filename "${_FILE}.gch")
 298         list(APPEND ${_out_compile_flags} -c ${_header_filename} -o ${_gch_filename})
 299
 300         # This gets us our includes
 301         get_directory_property(DIRINC INCLUDE_DIRECTORIES)
 302         foreach(item ${DIRINC})
 303             list(APPEND ${_out_compile_flags} -I${item})
 304         endforeach()
 305
 306         # This our definitions
 307         get_directory_property(_compiler_flags DEFINITIONS)
 308         list(APPEND ${_out_compile_flags} ${_compiler_flags})
 309
 310         # This gets any specific definitions that were added with set-target-property
 311         get_target_property(_target_defs ${_target_name} COMPILE_DEFINITIONS)
 312         if(_target_defs)
 313             foreach(item ${_target_defs})
 314                 list(APPEND ${_out_compile_flags} -D${item})
 315             endforeach()
 316         endif()
 317
 318         if(IS_CPP)
 319             list(APPEND ${_out_compile_flags} ${CMAKE_CXX_FLAGS})
 320         else()
 321             list(APPEND ${_out_compile_flags} ${CMAKE_C_FLAGS})
 322         endif()
 323
 324         separate_arguments(${_out_compile_flags})
 325     endmacro()
 326
 327     macro(add_pch _target_name _FILE)
 328         set(_header_filename ${CMAKE_CURRENT_SOURCE_DIR}/${_FILE})
 329         get_filename_component(_basename ${_FILE} NAME)
 330         set(_gch_filename ${_basename}.gch)
 331         _PCH_GET_COMPILE_FLAGS(${_target_name} _args ${_header_filename})
 332
 333         if(IS_CPP)
 334             set(__lang CXX)
 335             set(__compiler ${CCACHE} ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1})
 336         else()
 337             set(__lang C)
 338             set(__compiler ${CCACHE} ${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1})
 339         endif()
 340
 341         add_custom_command(OUTPUT ${_gch_filename}
 342             COMMAND ${__compiler} ${_args}
 343             IMPLICIT_DEPENDS ${__lang} ${_header_filename}
 344             DEPENDS ${_header_filename} ${ARGN})
 345         get_target_property(_src_files ${_target_name} SOURCES)
 346         add_target_compile_flags(${_target_name} "-fpch-preprocess -Winvalid-pch -Wno-error=invalid-pch")
 347         foreach(_item in ${_src_files})
 348             get_source_file_property(__src_lang ${_item} LANGUAGE)
 349             if(__src_lang STREQUAL __lang)
 350                 set_source_files_properties(${_item} PROPERTIES OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${_gch_filename})
 351             endif()
 352         endforeach()
 353         #set dependency checking : depends on precompiled header only which already depends on deeper header
 354         set_target_properties(${_target_name} PROPERTIES IMPLICIT_DEPENDS_INCLUDE_TRANSFORM "\"${_basename}\"=;<${_basename}>=")
 355     endmacro()
 356 else()
 357     macro(add_pch _target_name _FILE)
 358     endmacro()
 359 endif()
 360
 361 function(CreateBootSectorTarget _target_name _asm_file _binary_file _base_address)
 362     set(_object_file ${_binary_file}.o)
 363
 364     add_custom_command(
 365         OUTPUT ${_object_file}
 366         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}
 367         DEPENDS ${_asm_file})
 368
 369     add_custom_command(
 370         OUTPUT ${_binary_file}
 371         COMMAND native-obj2bin ${_object_file} ${_binary_file} ${_base_address}
 372         # COMMAND objcopy --output-target binary --image-base 0x${_base_address} ${_object_file} ${_binary_file}
 373         DEPENDS ${_object_file} native-obj2bin)
 374
 375     set_source_files_properties(${_object_file} ${_binary_file} PROPERTIES GENERATED TRUE)
 376
 377     add_custom_target(${_target_name} ALL DEPENDS ${_binary_file})
 378
 379 endfunction()
 380
 381 function(allow_warnings __module)
 382     add_target_compile_flags(${__module} "-Wno-error")
 383 endfunction()
 384
 385 macro(add_asm_files _target)
 386     list(APPEND ${_target} ${ARGN})
 387 endmacro()
 388