[Buildroot] [PATCH 1/1] gnutls: fix libz autodetection failure

[Antoine Pierlot-Garcin]

The configure script finds libz in the distribution libraries, which causes
zlib support to be dropped from the cross-compiled GnuTLS.

Signed-off-by: Antoine Pierlot-Garcin <antoine at bokbox.com>
---
 package/gnutls/gnutls.mk | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/package/gnutls/gnutls.mk b/package/gnutls/gnutls.mk
index 73b525d..c0bd778 100644
--- a/package/gnutls/gnutls.mk
+++ b/package/gnutls/gnutls.mk
@@ -28,8 +28,9 @@ GNUTLS_CONF_ENV = gl_cv_socket_ipv6=$(if $(BR2_INET_IPV6),yes,no) \
 	gl_cv_func_gettimeofday_clobber=no
 GNUTLS_INSTALL_STAGING = YES
 
-# libpthread autodetection poisons the linkpath
+# libpthread and libz autodetection poison the linkpath
 GNUTLS_CONF_OPT += $(if $(BR2_TOOLCHAIN_HAS_THREADS),--with-libpthread-prefix=$(STAGING_DIR)/usr)
+GNUTLS_CONF_OPT += $(if $(BR2_PACKAGE_ZLIB),--with-libz-prefix=$(STAGING_DIR)/usr)
 
 # gnutls needs libregex, but pcre can be used too
 # The check isn't cross-compile friendly
-- 
1.8.5.3