Modules/Platform/NetBSD.cmake

   1 set(CMAKE_DL_LIBS "")
   2 set(CMAKE_C_COMPILE_OPTIONS_PIC "-fPIC")
   3 set(CMAKE_C_COMPILE_OPTIONS_PIE "-fPIE")
   4 # PIE link options are managed in Compiler/<compiler>.cmake file
   5 set(CMAKE_SHARED_LIBRARY_C_FLAGS "-fPIC")            # -pic
   6 set(CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-shared")       # -shared
   7 set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "")         # +s, flag for exe link to use shared lib
   8 set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "-Wl,-rpath,")       # -rpath
   9 set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG_SEP ":")   # : or empty
  10 set(CMAKE_SHARED_LIBRARY_RPATH_ORIGIN_TOKEN "\$ORIGIN")
  11 set(CMAKE_SHARED_LIBRARY_RPATH_LINK_C_FLAG "-Wl,-rpath-link,")
  12 set(CMAKE_SHARED_LIBRARY_SONAME_C_FLAG "-Wl,-soname,")
  13 set(CMAKE_EXE_EXPORTS_C_FLAG "-Wl,--export-dynamic")
  14
  15
  16 # Features for LINK_LIBRARY generator expression
  17 ## check linker capabilities
  18 if(NOT DEFINED _CMAKE_LINKER_PUSHPOP_STATE_SUPPORTED)
  19   execute_process(COMMAND "${CMAKE_LINKER}" --help
  20                   OUTPUT_VARIABLE __linker_help
  21                   ERROR_VARIABLE __linker_help)
  22   if(__linker_help MATCHES "--push-state" AND __linker_help MATCHES "--pop-state")
  23     set(_CMAKE_LINKER_PUSHPOP_STATE_SUPPORTED TRUE CACHE INTERNAL "linker supports push/pop state")
  24   else()
  25     set(_CMAKE_LINKER_PUSHPOP_STATE_SUPPORTED FALSE CACHE INTERNAL "linker supports push/pop state")
  26   endif()
  27   unset(__linker_help)
  28 endif()
  29 ## WHOLE_ARCHIVE: Force loading all members of an archive
  30 if(_CMAKE_LINKER_PUSHPOP_STATE_SUPPORTED)
  31   set(CMAKE_LINK_LIBRARY_USING_WHOLE_ARCHIVE "LINKER:--push-state,--whole-archive"
  32                                              "<LINK_ITEM>"
  33                                              "LINKER:--pop-state")
  34 else()
  35   set(CMAKE_LINK_LIBRARY_USING_WHOLE_ARCHIVE "LINKER:--whole-archive"
  36                                              "<LINK_ITEM>"
  37                                              "LINKER:--no-whole-archive")
  38 endif()
  39 set(CMAKE_LINK_LIBRARY_USING_WHOLE_ARCHIVE_SUPPORTED TRUE)
  40
  41
  42 # Features for LINK_GROUP generator expression
  43 ## RESCAN: request the linker to rescan static libraries until there is
  44 ## no pending undefined symbols
  45 set(CMAKE_LINK_GROUP_USING_RESCAN "LINKER:--start-group" "LINKER:--end-group")
  46 set(CMAKE_LINK_GROUP_USING_RESCAN_SUPPORTED TRUE)
  47
  48
  49 include(Platform/UnixPaths)