+dnl handle --enable-quota
+dnl
+QUOTA_MAN_COMMENT='.\"'
+QUOTA_CMT=
+AC_SUBST(QUOTA_MAN_COMMENT)
+PKG_PROG_PKG_CONFIG
+AH_TEMPLATE([CONFIG_QUOTA], [Define to 1 to enable quota support])
+AC_ARG_ENABLE([quota],
+[ --enable-quota enable quota support],
+if test "$enableval" = "no"
+then
+ QUOTA_CMT=#
+ AC_MSG_RESULT([Disabling quota support])
+else
+ QUOTA_CMT=
+ AC_DEFINE(CONFIG_QUOTA, 1)
+ AC_MSG_RESULT([Enabling quota support])
+ QUOTA_MAN_COMMENT=""
+ AC_SUBST(QUOTA_MAN_COMMENT)
+fi
+,
+QUOTA_CMT=#
+AC_MSG_RESULT([Disabling quota support by default])
+)
+dnl
+dnl Define stuff expected for quota library
+dnl
+LIBQUOTA='$(LIB)/libquota'$LIB_EXT
+DEPLIBQUOTA=$LIBQUOTA
+STATIC_LIBQUOTA='$(LIB)/libquota'$STATIC_LIB_EXT
+DEPSTATIC_LIBQUOTA=$STATIC_LIBQUOTA
+PROFILED_LIBQUOTA='$(LIB)/libquota'$PROFILED_LIB_EXT
+DEPPROFILED_LIBQUOTA=$PROFILED_LIBQUOTA
+AC_SUBST(LIBQUOTA)
+AC_SUBST(DEPLIBQUOTA)
+AC_SUBST(STATIC_LIBQUOTA)
+AC_SUBST(DEPSTATIC_LIBQUOTA)
+AC_SUBST(PROFILED_LIBQUOTA)
+AC_SUBST(DEPPROFILED_LIBQUOTA)
+AC_SUBST(QUOTA_CMT)
+dnl
+dnl handle --disable-backtrace
+dnl
+AH_TEMPLATE([DISABLE_BACKTRACE], [Define to 1 to disable use of backtrace])
+AC_ARG_ENABLE([backtrace],
+[ --disable-backtrace disable use backtrace],
+if test "$enableval" = "no"
+then
+ AC_MSG_RESULT([Disabling use of backtrace])
+ AC_DEFINE(DISABLE_BACKTRACE, 1)
+else
+ AC_MSG_RESULT([Enabling use of backtrace])
+fi
+,
+AC_MSG_RESULT([Enabling use of backtrace by default])
+)
+dnl