package/nginx: zone modules need libatomic_ops

ngx_{http,stream}_upstream_zone_module need libatomic_ops since their
addition in commit 621ec32677082d901806338e6f50f03349dceb76 and
https://github.com/nginx/nginx/commit/cf31347ee84fdaa02f768e641d1a2f1352b6a56a
https://github.com/nginx/nginx/commit/79a03b3ff6d950e60a06c6d979bd7a909709e82d:

src/core/ngx_rwlock.c:125:2: error: #error ngx_atomic_cmp_set() is not defined!
  125 | #error ngx_atomic_cmp_set() is not defined!
      |  ^~~~~

Fixes:
 - http://autobuild.buildroot.org/results/f7f6be00029d430dc575bc5b3e3e2031cea0460c

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/nginx/Config.in

@@ -296,6 +296,14 @@ config BR2_PACKAGE_NGINX_HTTP_UPSTREAM_RANDOM_MODULE
 	help
 	  Enable ngx_http_upstream_random_module
 
+config BR2_PACKAGE_NGINX_HTTP_UPSTREAM_ZONE_MODULE
+	bool "ngx_http_upstream_zone_module"
+	default y
+	depends on BR2_PACKAGE_LIBATOMIC_OPS_ARCH_SUPPORTS
+	select BR2_PACKAGE_LIBATOMIC_OPS
+	help
+	  Enable ngx_http_upstream_zone_module
+
 endif #BR2_PACKAGE_NGINX_HTTP
 
 config BR2_PACKAGE_NGINX_MAIL
@@ -419,6 +427,8 @@ config BR2_PACKAGE_NGINX_STREAM_UPSTREAM_RANDOM_MODULE
 config BR2_PACKAGE_NGINX_STREAM_UPSTREAM_ZONE_MODULE
 	bool "ngx_stream_upstream_zone_module"
 	default y
+	depends on BR2_PACKAGE_LIBATOMIC_OPS_ARCH_SUPPORTS
+	select BR2_PACKAGE_LIBATOMIC_OPS
 	help
 	  Enable ngx_stream_upstream_zone_module
 

package/nginx/nginx.mk

@@ -203,7 +203,8 @@ NGINX_CONF_OPTS += \
 	$(if $(BR2_PACKAGE_NGINX_HTTP_UPSTREAM_IP_HASH_MODULE),,--without-http_upstream_ip_hash_module) \
 	$(if $(BR2_PACKAGE_NGINX_HTTP_UPSTREAM_LEAST_CONN_MODULE),,--without-http_upstream_least_conn_module) \
 	$(if $(BR2_PACKAGE_NGINX_HTTP_UPSTREAM_RANDOM_MODULE),,--without-http_upstream_random_module) \
-	$(if $(BR2_PACKAGE_NGINX_HTTP_UPSTREAM_KEEPALIVE_MODULE),,--without-http_upstream_keepalive_module)
+	$(if $(BR2_PACKAGE_NGINX_HTTP_UPSTREAM_KEEPALIVE_MODULE),,--without-http_upstream_keepalive_module) \
+	$(if $(BR2_PACKAGE_NGINX_HTTP_UPSTREAM_ZONE_MODULE),,--without-http_upstream_zone_module)
 
 else # !BR2_PACKAGE_NGINX_HTTP
 NGINX_CONF_OPTS += --without-http