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dnl CF_LD_RPATH_OPT version: 9 updated: 2021/01/01 13:31:04
dnl ---------------
dnl For the given system and compiler, find the compiler flags to pass to the
dnl loader to use the "rpath" feature.
AC_DEFUN([CF_LD_RPATH_OPT],
[
AC_REQUIRE([CF_CHECK_CACHE])
LD_RPATH_OPT=
if test "x$cf_cv_enable_rpath" != xno
then
AC_MSG_CHECKING(for an rpath option)
case "$cf_cv_system_name" in
(irix*)
if test "$GCC" = yes; then
LD_RPATH_OPT="-Wl,-rpath,"
else
LD_RPATH_OPT="-rpath "
fi
;;
(linux*|gnu*|k*bsd*-gnu|freebsd*)
LD_RPATH_OPT="-Wl,-rpath,"
;;
(openbsd[[2-9]].*|mirbsd*)
LD_RPATH_OPT="-Wl,-rpath,"
;;
(dragonfly*)
LD_RPATH_OPT="-rpath "
;;
(netbsd*)
LD_RPATH_OPT="-Wl,-rpath,"
;;
(osf*|mls+*)
LD_RPATH_OPT="-rpath "
;;
(solaris2*)
LD_RPATH_OPT="-R"
;;
(*)
;;
esac
AC_MSG_RESULT($LD_RPATH_OPT)
case "x$LD_RPATH_OPT" in
(x-R*)
AC_MSG_CHECKING(if we need a space after rpath option)
cf_save_LIBS="$LIBS"
CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
LIBS="$cf_save_LIBS"
AC_MSG_RESULT($cf_rpath_space)
test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
;;
esac
fi
])dnl