diff -ruN squid-3.1.4.orig/configure.in squid-3.1.4/configure.in
--- squid-3.1.4.orig/configure.in	2010-05-30 15:21:49.000000000 +0200
+++ squid-3.1.4/configure.in	2010-06-15 23:53:35.180163134 +0200
@@ -2814,7 +2814,11 @@
 dnl libcrypt (eg FreeBSD)
 AC_CHECK_LIB(crypt, crypt, [CRYPTLIB="-lcrypt"])
 dnl Solaris10 provides MD5 natively through libmd5
-AC_CHECK_LIB(md5, MD5Init, [CRYPTLIB="$CRYPTLIB -lmd5"])
+case "$host" in
+	*-solaris*)
+	    AC_CHECK_LIB(md5, MD5Init, [CRYPTLIB="$CRYPTLIB -lmd5"])
+	    ;;
+esac
 AC_SUBST(CRYPTLIB)
 
 dnl Check for libdl, used by auth_modules/PAM