--- libmicrohttpd-0.9.35/configure.ac~ 2014-05-02 14:38:40.000000000 -0400 +++ libmicrohttpd-0.9.35/configure.ac 2014-05-02 22:04:51.501041985 -0400 @@ -542,7 +542,7 @@ AC_MSG_CHECKING(whether we have OpenSSL AC_MSG_RESULT($enable_spdy) # for pkg-config -SPDY_LIBDEPS="$OPENSSL_LIBS" +SPDY_LIBDEPS="$OPENSSL_LIBS -lz" SPDY_LIB_LDFLAGS="$LDFLAGS $OPENSSL_LDFLAGS" SPDY_LIB_CFLAGS="$CFLAGS"