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 # Compiler Core
  13 add_compile_flags("-pipe -fms-extensions -fno-strict-aliasing")
  14
  15 #bug
  16 #file(TO_NATIVE_PATH ${REACTOS_SOURCE_DIR} REACTOS_SOURCE_DIR_NATIVE)
  17 #workaround
  18 set(REACTOS_SOURCE_DIR_NATIVE ${REACTOS_SOURCE_DIR})
  19  if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
  20 string(REPLACE "/" "\\" REACTOS_SOURCE_DIR_NATIVE ${REACTOS_SOURCE_DIR})
  21 endif()
  22 add_compile_flags("-fdebug-prefix-map=\"${REACTOS_SOURCE_DIR_NATIVE}\"=ReactOS")
  23
  24 # Debugging
  25 if(SEPARATE_DBG)
  26     add_compile_flags("-gdwarf-2 -g2")
  27 else()
  28     add_compile_flags("-gstabs+")
  29 endif()
  30
  31 # For some reason, cmake sets -fPIC, and we don't want it
  32 if(DEFINED CMAKE_SHARED_LIBRARY_ASM_FLAGS)
  33     string(REPLACE "-fPIC" "" CMAKE_SHARED_LIBRARY_ASM_FLAGS ${CMAKE_SHARED_LIBRARY_ASM_FLAGS})
  34 endif()
  35
  36 # Tuning
  37 if(ARCH STREQUAL "i386")
  38     add_compile_flags("-march=${OARCH} -mtune=${TUNE}")
  39 else()
  40     add_compile_flags("-march=${OARCH}")
  41 endif()
  42
  43 # Warnings
  44 add_compile_flags("-Werror -Wall -Wno-char-subscripts -Wpointer-arith -Wno-multichar -Wno-unused-value")
  45
  46 if(GCC_VERSION VERSION_LESS 4.6)
  47     add_compile_flags("-Wno-error=uninitialized")
  48 elseif((GCC_VERSION VERSION_GREATER 4.6 OR GCC_VERSION VERSION_EQUAL 4.6) AND GCC_VERSION VERSION_LESS 4.7)
  49     add_compile_flags("-Wno-error=unused-but-set-variable -Wno-error=uninitialized")
  50 elseif(GCC_VERSION VERSION_EQUAL 4.7 OR GCC_VERSION VERSION_GREATER 4.7)
  51     add_compile_flags("-Wno-error=unused-but-set-variable -Wno-error=maybe-uninitialized -Wno-error=delete-non-virtual-dtor -Wno-error=narrowing")
  52 endif()
  53
  54 if(ARCH STREQUAL "amd64")
  55     add_compile_flags("-Wno-format")
  56 elseif(ARCH STREQUAL "arm")
  57     add_compile_flags("-Wno-attributes")
  58 endif()
  59
  60 # Optimizations
  61 if(OPTIMIZE STREQUAL "1")
  62     add_compile_flags("-Os -ftracer")
  63 elseif(OPTIMIZE STREQUAL "2")
  64     add_compile_flags("-Os")
  65 elseif(OPTIMIZE STREQUAL "3")
  66     add_compile_flags("-O1 -fno-inline-functions-called-once -fno-tree-sra")
  67 elseif(OPTIMIZE STREQUAL "4")
  68     add_compile_flags("-O1")
  69 elseif(OPTIMIZE STREQUAL "5")
  70     add_compile_flags("-O2")
  71 elseif(OPTIMIZE STREQUAL "6")
  72     add_compile_flags("-O3")
  73 elseif(OPTIMIZE STREQUAL "7")
  74     add_compile_flags("-Ofast")
  75 endif()
  76
  77 # Link-time code generation
  78 if(LTCG)
  79     add_compile_flags("-flto -Wno-error=clobbered")
  80 endif()
  81
  82 if(ARCH STREQUAL "i386")
  83     add_compile_flags("-mpreferred-stack-boundary=3 -fno-set-stack-executable -fno-optimize-sibling-calls -fno-omit-frame-pointer")
  84     if(NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
  85         add_compile_flags("-momit-leaf-frame-pointer")
  86     endif()
  87 elseif(ARCH STREQUAL "amd64")
  88     add_compile_flags("-mpreferred-stack-boundary=4")
  89 endif()
  90
  91 # Other
  92 if(ARCH STREQUAL "amd64")
  93     add_definitions(-U_X86_ -UWIN32)
  94 elseif(ARCH STREQUAL "arm")
  95     add_definitions(-U_UNICODE -UUNICODE)
  96     add_definitions(-D__MSVCRT__) # DUBIOUS
  97 endif()
  98
  99 add_definitions(-D_inline=__inline)
 100
 101 # alternative arch name
 102 if(ARCH STREQUAL "amd64")
 103     set(ARCH2 x86_64)
 104 else()
 105     set(ARCH2 ${ARCH})
 106 endif()
 107
 108 if(SEPARATE_DBG)
 109     # PDB style debug puts all dwarf debug info in a separate dbg file
 110     message(STATUS "Building separate debug symbols")
 111     file(MAKE_DIRECTORY ${REACTOS_BINARY_DIR}/symbols)
 112     if(CMAKE_GENERATOR STREQUAL "Ninja")
 113         set(SYMBOL_FILE <TARGET_PDB>)
 114     else()
 115         set(SYMBOL_FILE <TARGET>.gdb)
 116     endif()
 117     set(OBJCOPY ${CMAKE_OBJCOPY})
 118     set(CMAKE_C_LINK_EXECUTABLE
 119         "<CMAKE_C_COMPILER> <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
 120         "${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/${SYMBOL_FILE}"
 121         "${OBJCOPY} --strip-debug <TARGET>")
 122     set(CMAKE_CXX_LINK_EXECUTABLE
 123         "<CMAKE_CXX_COMPILER> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
 124         "${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/${SYMBOL_FILE}"
 125         "${OBJCOPY} --strip-debug <TARGET>")
 126     set(CMAKE_C_CREATE_SHARED_LIBRARY
 127         "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
 128         "${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/${SYMBOL_FILE}"
 129         "${OBJCOPY} --strip-debug <TARGET>")
 130     set(CMAKE_CXX_CREATE_SHARED_LIBRARY
 131         "<CMAKE_CXX_COMPILER> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
 132         "${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/${SYMBOL_FILE}"
 133         "${OBJCOPY} --strip-debug <TARGET>")
 134     set(CMAKE_RC_CREATE_SHARED_LIBRARY
 135         "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
 136         "${OBJCOPY} --only-keep-debug <TARGET> ${REACTOS_BINARY_DIR}/symbols/${SYMBOL_FILE}"
 137         "${OBJCOPY} --strip-debug <TARGET>")
 138 else()
 139     # Normal rsym build
 140     get_target_property(RSYM native-rsym IMPORTED_LOCATION_NOCONFIG)
 141     set(CMAKE_C_LINK_EXECUTABLE
 142         "<CMAKE_C_COMPILER> ${CMAKE_C_FLAGS} <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
 143         "${RSYM} <TARGET> <TARGET>")
 144     set(CMAKE_CXX_LINK_EXECUTABLE
 145         "<CMAKE_CXX_COMPILER> ${CMAKE_CXX_FLAGS} <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>"
 146         "${RSYM} <TARGET> <TARGET>")
 147     set(CMAKE_C_CREATE_SHARED_LIBRARY
 148         "<CMAKE_C_COMPILER> ${CMAKE_C_FLAGS} <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
 149         "${RSYM} <TARGET> <TARGET>")
 150     set(CMAKE_CXX_CREATE_SHARED_LIBRARY
 151         "<CMAKE_CXX_COMPILER> ${CMAKE_CXX_FLAGS} <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
 152         "${RSYM} <TARGET> <TARGET>")
 153     set(CMAKE_RC_CREATE_SHARED_LIBRARY
 154         "<CMAKE_C_COMPILER> ${CMAKE_C_FLAGS} <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
 155         "${RSYM} <TARGET> <TARGET>")
 156 endif()
 157
 158 set(CMAKE_EXE_LINKER_FLAGS "-nostdlib -Wl,--enable-auto-image-base,--disable-auto-import,--disable-stdcall-fixup")
 159 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS_INIT} -Wl,--disable-stdcall-fixup")
 160
 161 SET(CMAKE_C_COMPILE_OBJECT "${CCACHE} <CMAKE_C_COMPILER> <DEFINES> <FLAGS> -o <OBJECT> -c <SOURCE>")
 162 SET(CMAKE_CXX_COMPILE_OBJECT "${CCACHE} <CMAKE_CXX_COMPILER>  <DEFINES> <FLAGS> -o <OBJECT> -c <SOURCE>")
 163 set(CMAKE_ASM_COMPILE_OBJECT "<CMAKE_ASM_COMPILER> -x assembler-with-cpp -o <OBJECT> -I${REACTOS_SOURCE_DIR}/include/asm -I${REACTOS_BINARY_DIR}/include/asm <FLAGS> <DEFINES> -D__ASM__ -c <SOURCE>")
 164
 165 set(CMAKE_RC_COMPILE_OBJECT "<CMAKE_RC_COMPILER> -O coff <FLAGS> -DRC_INVOKED -D__WIN32__=1 -D__FLAT__=1 ${I18N_DEFS} <DEFINES> <SOURCE> <OBJECT>")
 166 set(CMAKE_DEPFILE_FLAGS_RC "--preprocessor \"${MINGW_TOOLCHAIN_PREFIX}gcc${MINGW_TOOLCHAIN_SUFFIX} -E -xc-header -MMD -MF <DEPFILE> -MT <OBJECT>\" ")
 167
 168 # Optional 3rd parameter: stdcall stack bytes
 169 function(set_entrypoint MODULE ENTRYPOINT)
 170     if(${ENTRYPOINT} STREQUAL "0")
 171         add_target_link_flags(${MODULE} "-Wl,-entry,0")
 172     elseif(ARCH STREQUAL "i386")
 173         set(_entrysymbol _${ENTRYPOINT})
 174         if(${ARGC} GREATER 2)
 175             set(_entrysymbol ${_entrysymbol}@${ARGV2})
 176         endif()
 177         add_target_link_flags(${MODULE} "-Wl,-entry,${_entrysymbol}")
 178     else()
 179         add_target_link_flags(${MODULE} "-Wl,-entry,${ENTRYPOINT}")
 180     endif()
 181 endfunction()
 182
 183 function(set_subsystem MODULE SUBSYSTEM)
 184     add_target_link_flags(${MODULE} "-Wl,--subsystem,${SUBSYSTEM}")
 185 endfunction()
 186
 187 function(set_image_base MODULE IMAGE_BASE)
 188     add_target_link_flags(${MODULE} "-Wl,--image-base,${IMAGE_BASE}")
 189 endfunction()
 190
 191 function(set_module_type_toolchain MODULE TYPE)
 192     if(IS_CPP)
 193         target_link_libraries(${MODULE} -lstdc++ -lsupc++ -lgcc -lmingwex)
 194     endif()
 195
 196     if(${TYPE} STREQUAL "kernelmodedriver")
 197         add_target_link_flags(${MODULE} "-Wl,--exclude-all-symbols,-file-alignment=0x1000,-section-alignment=0x1000")
 198     endif()
 199 endfunction()
 200
 201 function(add_delay_importlibs MODULE)
 202     foreach(LIB ${ARGN})
 203         target_link_libraries(${MODULE} lib${LIB}_delayed)
 204     endforeach()
 205     target_link_libraries(${MODULE} delayimp)
 206 endfunction()
 207
 208 if(NOT ARCH STREQUAL "i386")
 209     set(DECO_OPTION "-@")
 210 endif()
 211
 212 function(generate_import_lib _libname _dllname _spec_file)
 213     # generate the def for the import lib
 214     add_custom_command(
 215         OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def
 216         COMMAND native-spec2def -n=${_dllname} -a=${ARCH2} -d=${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file}
 217         DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file} native-spec2def)
 218     set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def PROPERTIES EXTERNAL_OBJECT TRUE)
 219
 220     #create normal importlib
 221     _add_library(${_libname} STATIC EXCLUDE_FROM_ALL ${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def)
 222     set_target_properties(${_libname} PROPERTIES LINKER_LANGUAGE "IMPLIB" PREFIX "")
 223
 224     #create delayed importlib
 225     _add_library(${_libname}_delayed STATIC EXCLUDE_FROM_ALL ${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def)
 226     set_target_properties(${_libname}_delayed PROPERTIES LINKER_LANGUAGE "IMPLIB_DELAYED" PREFIX "")
 227 endfunction()
 228
 229 # Cute little hack to produce import libs
 230 set(CMAKE_IMPLIB_CREATE_STATIC_LIBRARY "${CMAKE_DLLTOOL} --def <OBJECTS> --kill-at --output-lib=<TARGET>")
 231 set(CMAKE_IMPLIB_DELAYED_CREATE_STATIC_LIBRARY "${CMAKE_DLLTOOL} --def <OBJECTS> --kill-at --output-delaylib=<TARGET>")
 232 function(spec2def _dllname _spec_file)
 233     # do we also want to add importlib targets?
 234     if(${ARGC} GREATER 2)
 235         if(${ARGN} STREQUAL "ADD_IMPORTLIB")
 236             set(__add_importlib TRUE)
 237         else()
 238             message(FATAL_ERROR "Wrong argument passed to spec2def, ${ARGN}")
 239         endif()
 240     endif()
 241
 242     # get library basename
 243     get_filename_component(_file ${_dllname} NAME_WE)
 244
 245     # error out on anything else than spec
 246     if(NOT ${_spec_file} MATCHES ".*\\.spec")
 247         message(FATAL_ERROR "spec2def only takes spec files as input.")
 248     endif()
 249
 250     # generate exports def and stubs C file for the module
 251     add_custom_command(
 252         OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${_file}.def ${CMAKE_CURRENT_BINARY_DIR}/${_file}_stubs.c
 253         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}
 254         DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file} native-spec2def)
 255
 256     if(__add_importlib)
 257         generate_import_lib(lib${_file} ${_dllname} ${_spec_file})
 258     endif()
 259 endfunction()
 260
 261 macro(macro_mc FLAG FILE)
 262     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)
 263 endmacro()
 264
 265 #pseh lib, needed with mingw
 266 set(PSEH_LIB "pseh")
 267
 268 # Macros
 269 if(PCH)
 270     macro(_PCH_GET_COMPILE_FLAGS _target_name _out_compile_flags _header_filename)
 271         # Add the precompiled header to the build
 272         get_filename_component(_FILE ${_header_filename} NAME)
 273         set(_gch_filename "${_FILE}.gch")
 274         list(APPEND ${_out_compile_flags} -c ${_header_filename} -o ${_gch_filename})
 275
 276         # This gets us our includes
 277         get_directory_property(DIRINC INCLUDE_DIRECTORIES)
 278         foreach(item ${DIRINC})
 279             list(APPEND ${_out_compile_flags} -I${item})
 280         endforeach()
 281
 282         # This our definitions
 283         get_directory_property(_compiler_flags DEFINITIONS)
 284         list(APPEND ${_out_compile_flags} ${_compiler_flags})
 285
 286         # This gets any specific definitions that were added with set-target-property
 287         get_target_property(_target_defs ${_target_name} COMPILE_DEFINITIONS)
 288         if(_target_defs)
 289             foreach(item ${_target_defs})
 290                 list(APPEND ${_out_compile_flags} -D${item})
 291             endforeach()
 292         endif()
 293
 294         if(IS_CPP)
 295             list(APPEND ${_out_compile_flags} ${CMAKE_CXX_FLAGS})
 296         else()
 297             list(APPEND ${_out_compile_flags} ${CMAKE_C_FLAGS})
 298         endif()
 299
 300         separate_arguments(${_out_compile_flags})
 301     endmacro()
 302
 303     macro(add_pch _target_name _FILE)
 304         set(_header_filename ${CMAKE_CURRENT_SOURCE_DIR}/${_FILE})
 305         get_filename_component(_basename ${_FILE} NAME)
 306         set(_gch_filename ${_basename}.gch)
 307         _PCH_GET_COMPILE_FLAGS(${_target_name} _args ${_header_filename})
 308
 309         if(IS_CPP)
 310             set(__lang CXX)
 311             set(__compiler ${CCACHE} ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1})
 312         else()
 313             set(__lang C)
 314             set(__compiler ${CCACHE} ${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1})
 315         endif()
 316
 317         add_custom_command(OUTPUT ${_gch_filename}
 318             COMMAND ${__compiler} ${_args}
 319             IMPLICIT_DEPENDS ${__lang} ${_header_filename}
 320             DEPENDS ${_header_filename} ${ARGN})
 321         get_target_property(_src_files ${_target_name} SOURCES)
 322         add_target_compile_flags(${_target_name} "-fpch-preprocess -Winvalid-pch -Wno-error=invalid-pch")
 323         foreach(_item in ${_src_files})
 324             get_source_file_property(__src_lang ${_item} LANGUAGE)
 325             if(__src_lang STREQUAL __lang)
 326                 set_source_files_properties(${_item} PROPERTIES OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${_gch_filename})
 327             endif()
 328         endforeach()
 329         #set dependency checking : depends on precompiled header only which already depends on deeper header
 330         set_target_properties(${_target_name} PROPERTIES IMPLICIT_DEPENDS_INCLUDE_TRANSFORM "\"${_basename}\"=;<${_basename}>=")
 331     endmacro()
 332 else()
 333     macro(add_pch _target_name _FILE)
 334     endmacro()
 335 endif()
 336
 337 function(CreateBootSectorTarget _target_name _asm_file _binary_file _base_address)
 338     set(_object_file ${_binary_file}.o)
 339
 340     add_custom_command(
 341         OUTPUT ${_object_file}
 342         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}
 343         DEPENDS ${_asm_file})
 344
 345     add_custom_command(
 346         OUTPUT ${_binary_file}
 347         COMMAND native-obj2bin ${_object_file} ${_binary_file} ${_base_address}
 348         # COMMAND objcopy --output-target binary --image-base 0x${_base_address} ${_object_file} ${_binary_file}
 349         DEPENDS ${_object_file} native-obj2bin)
 350
 351     set_source_files_properties(${_object_file} ${_binary_file} PROPERTIES GENERATED TRUE)
 352
 353     add_custom_target(${_target_name} ALL DEPENDS ${_binary_file})
 354
 355 endfunction()
 356
 357 function(allow_warnings __module)
 358     add_target_compile_flags(${__module} "-Wno-error")
 359 endfunction()
 360
 361 macro(add_asm_files _target)
 362     list(APPEND ${_target} ${ARGN})
 363 endmacro()
 364