BUILD: acme: enable the ACME feature when JWS is present

The ACME feature depends on the JWS, which currently does not work with
every SSL libraries. This patch only enables ACME when JWS is enabled.

include/haproxy/openssl-compat.h

@@ -132,6 +132,10 @@
 #define HAVE_JWS
 #endif
 
+#if (defined(HAVE_JWS))
+#define HAVE_ACME
+#endif
+
 #if !defined(HAVE_SSL_SET_SECURITY_LEVEL)
 /* define a nope function for set_security_level */
 #define SSL_CTX_set_security_level(ctx, level) ({})

src/acme.c

@@ -31,6 +31,8 @@
 #include <haproxy/ssl_utils.h>
 #include <haproxy/tools.h>
 
+#if defined(HAVE_ACME)
+
 static struct acme_cfg *acme_cfgs = NULL;
 static struct acme_cfg *cur_acme = NULL;
 
@@ -1879,6 +1881,8 @@ static struct cli_kw_list cli_kws = {{ },{
 
 INITCALL1(STG_REGISTER, cli_register_kw, &cli_kws);
 
+#endif /* ! HAVE_ACME */
+
 /*
  * Local variables:
  *  c-indent-level: 8

src/ssl_ckch.c

@@ -4599,7 +4599,9 @@ struct ckch_conf_kws ckch_conf_kws[] = {
 #if defined(HAVE_SSL_OCSP)
 	{ "ocsp-update",  offsetof(struct ckch_conf, ocsp_update_mode), PARSE_TYPE_ONOFF, ocsp_update_init,               },
 #endif
+#if defined(HAVE_ACME)
 	{ "acme",         offsetof(struct ckch_conf, acme.id),          PARSE_TYPE_STR,   ckch_conf_acme_init,            },
+#endif
 	{ "domains",      offsetof(struct ckch_conf, acme.domains),     PARSE_TYPE_ARRAY_SUBSTR,   NULL,            },
 	{ NULL,          -1,                                            PARSE_TYPE_STR,   NULL,                           }
 };