Check for crypt in external library

Check to see if we need to explicitly include a library in order
to get the crypt() function

Change-Id: I9bd1d70e420d4d1656bd86cd3215525102fa6259
Reviewed-on: http://gerrit.openafs.org/2404
Tested-by: Derrick Brashear <shadow@dementia.org>
Reviewed-by: Derrick Brashear <shadow@dementia.org>

acinclude.m4

@@ -1380,4 +1380,8 @@ AC_SUBST(HELPER_SPLINTCFG)
 
 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
 
+
+dnl Check to see if crypt lives in a different library
+AC_CHECK_LIB(crypt, crypt, LIB_crypt="-lcrypt")
+AC_SUBST(LIB_crypt)
 ])

src/config/Makefile.config.in

@@ -50,6 +50,7 @@ KERN_OPTMZ = @KERN_OPTMZ@
 LD = @LD@
 LEX = @LEX@
 LIB_AFSDB = @LIB_AFSDB@
+LIB_crypt = @LIB_crypt@
 LIBS = @LIBS@
 LIB_LIBINTL = @LIB_libintl@
 LINUX_KERNEL_PATH = @LINUX_KERNEL_PATH@

src/shlibafsauthent/Makefile.in

@@ -133,7 +133,7 @@ dest: ${LIBAFSAUTHENT} libafsauthent_pic.a
 ${LIBAFSAUTHENT}: ${LIBOBJS} libafsauthent.map
 	../config/shlib-build -d $(srcdir) -l libafsauthent \
 		-M ${LIBAFSAUTHENTMAJOR} -m ${LIBAFSAUTHENTMINOR} -- \
-		-L${TOP_LIBDIR} -lafsrpc ${LIBOBJS} ${LIB_AFSDB} ${MT_LIBS}
+		-L${TOP_LIBDIR} -lafsrpc ${LIB_crypt} ${LIBOBJS} ${LIB_AFSDB} ${MT_LIBS}
 
 libafsauthent_pic.a: ${LIBOBJS}
 	$(RM) -f $@