-#serial 16
+#serial 17
dnl Misc type-related macros for fileutils, sh-utils, textutils.
# used by sleep and shred
# Solaris 2.5.1 needs -lposix4 to get the clock_gettime function.
# Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4.
- AC_SEARCH_LIBS(clock_gettime, [rt posix4])
- AC_CHECK_FUNCS(clock_gettime)
+
+ # Save and restore LIBS so e.g., -lrt, isn't added to it. Otherwise, *all*
+ # programs in the package would end up linked with that potentially-shared
+ # library, inducing unnecessary run-time overhead.
+ fetish_saved_libs=$LIBS
+ AC_SEARCH_LIBS(clock_gettime, [rt posix4],
+ [LIB_CLOCK_GETTIME=$ac_cv_search_clock_gettime])
+ AC_SUBST(LIB_CLOCK_GETTIME)
+ AC_CHECK_FUNCS(clock_gettime)
+ LIBS=$fetish_saved_libs
AC_CHECK_FUNCS(gettimeofday)
AC_REQUIRE([AC_FUNC_CLOSEDIR_VOID])