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")
  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 # Do not allow warnings
  32 add_compile_flags("-Werror")
  33
  34 # For some reason, cmake sets -fPIC, and we don't want it
  35 if(DEFINED CMAKE_SHARED_LIBRARY_ASM_FLAGS)
  36     string(REPLACE "-fPIC" "" CMAKE_SHARED_LIBRARY_ASM_FLAGS ${CMAKE_SHARED_LIBRARY_ASM_FLAGS})
  37 endif()
  38
  39 # Tuning
  40 if(ARCH STREQUAL "i386")
  41     add_compile_flags("-march=${OARCH} -mtune=${TUNE}")
  42 else()
  43     add_compile_flags("-march=${OARCH}")
  44 endif()
  45
  46 # Warnings
  47 add_compile_flags("-Wall -Wno-char-subscripts -Wpointer-arith -Wno-multichar -Wno-unused-value")
  48
  49 if(GCC_VERSION VERSION_LESS 4.6)
  50     add_compile_flags("-Wno-error=uninitialized")
  51 elseif((GCC_VERSION VERSION_GREATER 4.6 OR GCC_VERSION VERSION_EQUAL 4.6) AND GCC_VERSION VERSION_LESS 4.7)
  52     add_compile_flags("-Wno-error=unused-but-set-variable -Wno-error=uninitialized")
  53 elseif(GCC_VERSION VERSION_EQUAL 4.7 OR GCC_VERSION VERSION_GREATER 4.7)
  54     add_compile_flags("-Wno-error=unused-but-set-variable -Wno-error=maybe-uninitialized -Wno-error=delete-non-virtual-dtor -Wno-error=narrowing")
  55 endif()
  56
  57 if(ARCH STREQUAL "amd64")
  58     add_compile_flags("-Wno-format")
  59 elseif(ARCH STREQUAL "arm")
  60     add_compile_flags("-Wno-attributes")
  61 endif()
  62
  63 # Optimizations
  64 if(OPTIMIZE STREQUAL "1")
  65     add_compile_flags("-Os")
  66 elseif(OPTIMIZE STREQUAL "2")
  67     add_compile_flags("-Os")
  68 elseif(OPTIMIZE STREQUAL "3")
  69     add_compile_flags("-O1")
  70 elseif(OPTIMIZE STREQUAL "4")
  71     add_compile_flags("-O2")
  72 elseif(OPTIMIZE STREQUAL "5")
  73     add_compile_flags("-O3")
  74 endif()
  75
  76 # Link-time code generation
  77 if(LTCG)
  78     add_compile_flags("-flto -Wno-error=clobbered")
  79 endif()
  80
  81 add_compile_flags("-fno-strict-aliasing")
  82
  83 if(ARCH STREQUAL "i386")
  84     add_compile_flags("-mpreferred-stack-boundary=3 -fno-set-stack-executable -fno-optimize-sibling-calls -fno-omit-frame-pointer")
  85     if(OPTIMIZE STREQUAL "1")
  86         add_compile_flags("-ftracer")
  87         if(NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
  88             add_compile_flags("-momit-leaf-frame-pointer")
  89         endif()
  90     endif()
  91 elseif(ARCH STREQUAL "amd64")
  92     add_compile_flags("-mpreferred-stack-boundary=4")
  93     if(OPTIMIZE STREQUAL "1")
  94         add_compile_flags("-ftracer")
  95     endif()
  96 elseif(ARCH STREQUAL "arm")
  97     if(OPTIMIZE STREQUAL "1")
  98         add_compile_flags("-ftracer")
  99     endif()
 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} <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} <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} <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} <TARGET> <TARGET>")
 164     set(CMAKE_RC_CREATE_SHARED_LIBRARY
 165         "<CMAKE_C_COMPILER> ${CMAKE_C_FLAGS} <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>"
 166         "${RSYM} <TARGET> <TARGET>")
 167 endif()
 168
 169 set(CMAKE_EXE_LINKER_FLAGS "-nostdlib -Wl,--enable-auto-image-base,--disable-auto-import,--disable-stdcall-fixup")
 170 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS_INIT} -Wl,--disable-stdcall-fixup")
 171
 172 SET(CMAKE_C_COMPILE_OBJECT "${CCACHE} <CMAKE_C_COMPILER> <DEFINES> <FLAGS> -o <OBJECT> -c <SOURCE>")
 173 SET(CMAKE_CXX_COMPILE_OBJECT "${CCACHE} <CMAKE_CXX_COMPILER>  <DEFINES> <FLAGS> -o <OBJECT> -c <SOURCE>")
 174 set(CMAKE_ASM_COMPILE_OBJECT "<CMAKE_ASM_COMPILER> -x assembler-with-cpp -o <OBJECT> -I${REACTOS_SOURCE_DIR}/include/asm -I${REACTOS_BINARY_DIR}/include/asm <FLAGS> <DEFINES> -D__ASM__ -c <SOURCE>")
 175
 176 set(CMAKE_RC_COMPILE_OBJECT "<CMAKE_RC_COMPILER> -O coff <FLAGS> -DRC_INVOKED -D__WIN32__=1 -D__FLAT__=1 ${I18N_DEFS} <DEFINES> <SOURCE> <OBJECT>")
 177 set(CMAKE_DEPFILE_FLAGS_RC "--preprocessor \"${MINGW_TOOLCHAIN_PREFIX}gcc -E -xc-header -MMD -MF <DEPFILE> -MT <OBJECT>\" ")
 178
 179 # Optional 3rd parameter: stdcall stack bytes
 180 function(set_entrypoint MODULE ENTRYPOINT)
 181     if(${ENTRYPOINT} STREQUAL "0")
 182         add_target_link_flags(${MODULE} "-Wl,-entry,0")
 183     elseif(ARCH STREQUAL "i386")
 184         set(_entrysymbol _${ENTRYPOINT})
 185         if(${ARGC} GREATER 2)
 186             set(_entrysymbol ${_entrysymbol}@${ARGV2})
 187         endif()
 188         add_target_link_flags(${MODULE} "-Wl,-entry,${_entrysymbol}")
 189     else()
 190         add_target_link_flags(${MODULE} "-Wl,-entry,${ENTRYPOINT}")
 191     endif()
 192 endfunction()
 193
 194 function(set_subsystem MODULE SUBSYSTEM)
 195     add_target_link_flags(${MODULE} "-Wl,--subsystem,${SUBSYSTEM}")
 196 endfunction()
 197
 198 function(set_image_base MODULE IMAGE_BASE)
 199     add_target_link_flags(${MODULE} "-Wl,--image-base,${IMAGE_BASE}")
 200 endfunction()
 201
 202 function(set_module_type_toolchain MODULE TYPE)
 203     if(IS_CPP)
 204         target_link_libraries(${MODULE} -lstdc++ -lsupc++ -lgcc -lmingwex)
 205     endif()
 206
 207     if(${TYPE} STREQUAL "kernelmodedriver")
 208         add_target_link_flags(${MODULE} "-Wl,--exclude-all-symbols,-file-alignment=0x1000,-section-alignment=0x1000")
 209     endif()
 210 endfunction()
 211
 212 function(set_rc_compiler)
 213 endfunction()
 214
 215 function(add_delay_importlibs MODULE)
 216     foreach(LIB ${ARGN})
 217         target_link_libraries(${MODULE} lib${LIB}_delayed)
 218     endforeach()
 219     target_link_libraries(${MODULE} delayimp)
 220 endfunction()
 221
 222 if(NOT ARCH STREQUAL "i386")
 223     set(DECO_OPTION "-@")
 224 endif()
 225
 226 function(generate_import_lib _libname _dllname _spec_file)
 227     # generate the def for the import lib
 228     add_custom_command(
 229         OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def
 230         COMMAND native-spec2def -n=${_dllname} -a=${ARCH2} -d=${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file}
 231         DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file} native-spec2def)
 232     set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def PROPERTIES EXTERNAL_OBJECT TRUE)
 233
 234     #create normal importlib
 235     _add_library(${_libname} STATIC EXCLUDE_FROM_ALL ${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def)
 236     set_target_properties(${_libname} PROPERTIES LINKER_LANGUAGE "IMPLIB" PREFIX "")
 237
 238     #create delayed importlib
 239     _add_library(${_libname}_delayed STATIC EXCLUDE_FROM_ALL ${CMAKE_CURRENT_BINARY_DIR}/${_libname}_implib.def)
 240     set_target_properties(${_libname}_delayed PROPERTIES LINKER_LANGUAGE "IMPLIB_DELAYED" PREFIX "")
 241 endfunction()
 242
 243 # Cute little hack to produce import libs
 244 set(CMAKE_IMPLIB_CREATE_STATIC_LIBRARY "${CMAKE_DLLTOOL} --def <OBJECTS> --kill-at --output-lib=<TARGET>")
 245 set(CMAKE_IMPLIB_DELAYED_CREATE_STATIC_LIBRARY "${CMAKE_DLLTOOL} --def <OBJECTS> --kill-at --output-delaylib=<TARGET>")
 246 function(spec2def _dllname _spec_file)
 247     # do we also want to add importlib targets?
 248     if(${ARGC} GREATER 2)
 249         if(${ARGN} STREQUAL "ADD_IMPORTLIB")
 250             set(__add_importlib TRUE)
 251         else()
 252             message(FATAL_ERROR "Wrong argument passed to spec2def, ${ARGN}")
 253         endif()
 254     endif()
 255
 256     # get library basename
 257     get_filename_component(_file ${_dllname} NAME_WE)
 258
 259     # error out on anything else than spec
 260     if(NOT ${_spec_file} MATCHES ".*\\.spec")
 261         message(FATAL_ERROR "spec2def only takes spec files as input.")
 262     endif()
 263
 264     # generate exports def and stubs C file for the module
 265     add_custom_command(
 266         OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${_file}.def ${CMAKE_CURRENT_BINARY_DIR}/${_file}_stubs.c
 267         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}
 268         DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file} native-spec2def)
 269
 270     if(__add_importlib)
 271         generate_import_lib(lib${_file} ${_dllname} ${_spec_file})
 272     endif()
 273 endfunction()
 274
 275 macro(macro_mc FLAG FILE)
 276     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)
 277 endmacro()
 278
 279 #pseh lib, needed with mingw
 280 set(PSEH_LIB "pseh")
 281
 282 # Macros
 283 if(PCH)
 284     macro(_PCH_GET_COMPILE_FLAGS _target_name _out_compile_flags _header_filename)
 285         # Add the precompiled header to the build
 286         get_filename_component(_FILE ${_header_filename} NAME)
 287         set(_gch_filename "${_FILE}.gch")
 288         list(APPEND ${_out_compile_flags} -c ${_header_filename} -o ${_gch_filename})
 289
 290         # This gets us our includes
 291         get_directory_property(DIRINC INCLUDE_DIRECTORIES)
 292         foreach(item ${DIRINC})
 293             list(APPEND ${_out_compile_flags} -I${item})
 294         endforeach()
 295
 296         # This our definitions
 297         get_directory_property(_compiler_flags DEFINITIONS)
 298         list(APPEND ${_out_compile_flags} ${_compiler_flags})
 299
 300         # This gets any specific definitions that were added with set-target-property
 301         get_target_property(_target_defs ${_target_name} COMPILE_DEFINITIONS)
 302         if(_target_defs)
 303             foreach(item ${_target_defs})
 304                 list(APPEND ${_out_compile_flags} -D${item})
 305             endforeach()
 306         endif()
 307
 308         if(IS_CPP)
 309             list(APPEND ${_out_compile_flags} ${CMAKE_CXX_FLAGS})
 310         else()
 311             list(APPEND ${_out_compile_flags} ${CMAKE_C_FLAGS})
 312         endif()
 313
 314         separate_arguments(${_out_compile_flags})
 315     endmacro()
 316
 317     macro(add_pch _target_name _FILE)
 318         set(_header_filename ${CMAKE_CURRENT_SOURCE_DIR}/${_FILE})
 319         get_filename_component(_basename ${_FILE} NAME)
 320         set(_gch_filename ${_basename}.gch)
 321         _PCH_GET_COMPILE_FLAGS(${_target_name} _args ${_header_filename})
 322
 323         if(IS_CPP)
 324             set(__lang CXX)
 325             set(__compiler ${CCACHE} ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1})
 326         else()
 327             set(__lang C)
 328             set(__compiler ${CCACHE} ${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1})
 329         endif()
 330
 331         add_custom_command(OUTPUT ${_gch_filename}
 332             COMMAND ${__compiler} ${_args}
 333             IMPLICIT_DEPENDS ${__lang} ${_header_filename}
 334             DEPENDS ${_header_filename} ${ARGN})
 335         get_target_property(_src_files ${_target_name} SOURCES)
 336         add_target_compile_flags(${_target_name} "-fpch-preprocess -Winvalid-pch -Wno-error=invalid-pch")
 337         foreach(_item in ${_src_files})
 338             get_source_file_property(__src_lang ${_item} LANGUAGE)
 339             if(__src_lang STREQUAL __lang)
 340                 set_source_files_properties(${_item} PROPERTIES OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${_gch_filename})
 341             endif()
 342         endforeach()
 343         #set dependency checking : depends on precompiled header only which already depends on deeper header
 344         set_target_properties(${_target_name} PROPERTIES IMPLICIT_DEPENDS_INCLUDE_TRANSFORM "\"${_basename}\"=;<${_basename}>=")
 345     endmacro()
 346 else()
 347     macro(add_pch _target_name _FILE)
 348     endmacro()
 349 endif()
 350
 351 function(CreateBootSectorTarget _target_name _asm_file _binary_file _base_address)
 352     set(_object_file ${_binary_file}.o)
 353
 354     add_custom_command(
 355         OUTPUT ${_object_file}
 356         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}
 357         DEPENDS ${_asm_file})
 358
 359     add_custom_command(
 360         OUTPUT ${_binary_file}
 361         COMMAND native-obj2bin ${_object_file} ${_binary_file} ${_base_address}
 362         # COMMAND objcopy --output-target binary --image-base 0x${_base_address} ${_object_file} ${_binary_file}
 363         DEPENDS ${_object_file} native-obj2bin)
 364
 365     set_source_files_properties(${_object_file} ${_binary_file} PROPERTIES GENERATED TRUE)
 366
 367     add_custom_target(${_target_name} ALL DEPENDS ${_binary_file})
 368
 369 endfunction()
 370
 371 function(allow_warnings __module)
 372     add_target_compile_flags(${__module} "-Wno-error")
 373 endfunction()