tools/cmake/Modules/FindLibunwind.cmake

   1 message(STATUS "Looking for libunwind")
   2
   3 if(PROCESSOR_x86_64)
   4   find_library(PATH_LIBUNWIND_LIB
   5     NAMES unwind-x86_64
   6     HINTS
   7     $ENV{SIMGRID_LIBUNWIND_LIBRARY_PATH}
   8     $ENV{LD_LIBRARY_PATH}
   9     $ENV{LIBUNWIND_LIBRARY_PATH}
  10     PATH_SUFFIXES lib/ GnuWin32/lib lib/system
  11     PATHS
  12     /opt
  13     /opt/local
  14     /opt/csw
  15     /sw
  16     /usr)
  17   message(STATUS "Looking for libunwind-x86_64 - found")
  18 endif()
  19
  20 if(NOT PATH_LIBUNWIND_LIB)
  21   find_library(PATH_LIBUNWIND_LIB
  22     NAMES unwind
  23     HINTS
  24       $ENV{SIMGRID_LIBUNWIND_LIBRARY_PATH}
  25       $ENV{LD_LIBRARY_PATH}
  26       $ENV{LIBUNWIND_LIBRARY_PATH}
  27       PATH_SUFFIXES lib/ GnuWin32/lib lib/system
  28       PATHS
  29       /opt
  30       /opt/local
  31       /opt/csw
  32       /sw
  33       /usr
  34       /usr/lib/)
  35
  36   # Mac OSX has a libunwind that is not the one we need, so double check
  37   if (PATH_LIBUNWIND_LIB)
  38     message(STATUS "Looking for libunwind - found")
  39
  40     string(REGEX REPLACE "/libunwind.*[.]${LIB_EXE}$" "" PATH_LIBUNWIND_LIB "${PATH_LIBUNWIND_LIB}")
  41     CHECK_LIBRARY_EXISTS(unwind unw_init_local "${PATH_LIBUNWIND_LIB}" RIGHT_LIBUNWIND)
  42
  43     if (NOT RIGHT_LIBUNWIND)
  44       message(STATUS "libunwind in ${PATH_LIBUNWIND_LIB} is unusable. Disable it.")
  45       set(PATH_LIBUNWIND_LIB 0)
  46     endif()
  47
  48   else()
  49     message(STATUS "Looking for libunwind - not found")
  50   endif()
  51
  52 endif()
  53
  54 find_path(PATH_LIBUNWIND_H "libunwind.h"
  55   HINTS
  56   $ENV{SIMGRID_LIBUNWIND_LIBRARY_PATH}
  57   $ENV{LD_LIBRARY_PATH}
  58   $ENV{LIBUNWIND_LIBRARY_PATH}
  59   PATH_SUFFIXES include/ GnuWin32/include
  60   PATHS
  61   /opt
  62   /opt/local
  63   /opt/csw
  64   /sw
  65   /usr)
  66
  67 message(STATUS "Looking for libunwind.h")
  68 if(PATH_LIBUNWIND_H)
  69   message(STATUS "Looking for libunwind.h - found")
  70 else()
  71   message(STATUS "Looking for libunwind.h - not found")
  72 endif()
  73
  74 if(PATH_LIBUNWIND_LIB AND PATH_LIBUNWIND_H)
  75   string(REGEX REPLACE "/libunwind.*[.]${LIB_EXE}$" "" PATH_LIBUNWIND_LIB "${PATH_LIBUNWIND_LIB}")
  76   string(REGEX REPLACE "/libunwind.h"               "" PATH_LIBUNWIND_H   "${PATH_LIBUNWIND_H}")
  77
  78   include_directories(${PATH_LIBUNWIND_H})
  79   link_directories(${PATH_LIBUNWIND_LIB})
  80   SET(HAVE_LIBUNWIND 1)
  81 else()
  82   SET(HAVE_LIBUNWIND 0)
  83 endif()
  84
  85 mark_as_advanced(PATH_LIBDW_H)
  86 mark_as_advanced(PATH_LIBDW_LIB)
  87 mark_as_advanced(PATH_LIBUNWIND_LIB)
  88 mark_as_advanced(PATH_LIBUNWIND_H)