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