m4/unwind.m4

   1 AC_DEFUN([MOONLIGHT_CHECK_UNWIND],
   2 [
   3         AC_CHECK_HEADER(libunwind.h)
   4
   5         AC_MSG_CHECKING(for libunwind)
   6
   7         LDFLAGS_save="$LDFLAGS"
   8         LIBS_save="$LIBS"
   9
  10         LDFLAGS="$LDFLAGS -liberty -lunwind"
  11         LIBS="$LIBS -liberty -lunwind"
  12
  13         AC_CHECK_LIB(unwind, backtrace, have_unwind_libs="yes", have_unwind_libs="no")
  14
  15         LDFLAGS="$LDFLAGS_save"
  16         LIBS="$LIBS_save"
  17
  18         if test "$have_unwind_libs" = "no"; then
  19                 AC_MSG_RESULT([no])
  20         else
  21                 AC_MSG_RESULT([yes])
  22                 if test "x$with_debug" = "xyes"; then
  23                         UNWIND_LIBS="-liberty -lunwind"
  24                         AC_DEFINE([HAVE_UNWIND], [1], [libunwind support])
  25                 fi
  26         fi
  27 ])