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-rw-r--r--m4/lib-check.m46
1 files changed, 4 insertions, 2 deletions
diff --git a/m4/lib-check.m4 b/m4/lib-check.m4
index 15ffe542d..92a368598 100644
--- a/m4/lib-check.m4
+++ b/m4/lib-check.m4
@@ -1,4 +1,4 @@
-#serial 5
+#serial 6
dnl Misc lib-related macros for fileutils, sh-utils, textutils.
@@ -57,7 +57,9 @@ $ac_includes_default
# SCO-ODT-3.0 is reported to need -lufc for crypt.
# NetBSD needs -lcrypt for crypt.
ac_su_saved_lib="$LIBS"
- AC_SEARCH_LIBS(crypt, [ufc crypt], [LIB_CRYPT="$ac_cv_search_crypt"])
+ AC_SEARCH_LIBS(crypt, [ufc crypt],
+ [test "$ac_cv_search_crypt" = "none required" ||
+ LIB_CRYPT="$ac_cv_search_crypt"])
LIBS="$ac_su_saved_lib"
AC_SUBST(LIB_CRYPT)
])