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