diff -Nru squid-3.1.0.15.orig/configure.in squid-3.1.0.15/configure.in
--- squid-3.1.0.15.orig/configure.in	2009-11-23 04:11:00.000000000 +0100
+++ squid-3.1.0.15/configure.in	2009-11-29 09:44:37.000000000 +0100
@@ -2802,7 +2802,11 @@
 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