dnl Checks for libcap.so

dnl

AC_DEFUN([AC_LIBCAP], [

  AC_ARG_WITH(libcap,

    [  --with-libcap    Add libcap support [default=yes, if libcap-ng not available]],,

    with_libcap=auto)

  if test "x$with_libcap" = "xno"; then

	enable_libcap="no"

  else

	dnl look for prctl

	AC_CHECK_FUNC([prctl], , )

	dnl look for the library; do not add to LIBS if found

	AC_CHECK_LIB([cap], [cap_get_proc], enable_libcap="yes", enable_libcap="no", )

	AC_CHECK_HEADERS([sys/capability.h], ,

			 [

				if test x$with_libcap = xyes; then

					AC_MSG_ERROR([libcap headers not found])

				else

					AC_MSG_WARN([libcap headers not found. mount.cifs will be built without support for dropping capabilities. Consider installing libcap-devel.])

					enable_libcap="no"

				fi

			 ])

  fi

  if test "$enable_libcap" = "yes"; then

	AC_DEFINE([HAVE_LIBCAP],[1], [Define if libcap exists])

	LIBCAP=-lcap

	AC_SUBST(LIBCAP)

  fi

])dnl