auto configure ldap support

buildconf/default.ini

@@ -13,7 +13,7 @@ sendfile = true
 minterpreters = true
 async = true
 evdis = false
-ldap = false
+ldap = auto
 pcre = auto
 debug = false
 unbit = false

ldap.c

@@ -194,8 +194,6 @@ void uwsgi_ldap_config() {
 	int desired_version = LDAP_VERSION3;
 	int ret;
 
-	struct option *aopt, *lopt;
-
 	LDAPURLDesc *ldap_url;
 
 	if (uwsgi.ldap) {
@@ -281,21 +279,7 @@ void uwsgi_ldap_config() {
 				memcpy(uwsgi_val, bervalues[0]->bv_val, bervalues[0]->bv_len);
 				uwsgi_val[bervalues[0]->bv_len] = 0;
 
-				lopt = uwsgi.long_options;
-				while ((aopt = lopt)) {
-					if (!aopt->name)
-						break;
-					if (!strcmp(uwsgi_attr, aopt->name)) {
-						if (aopt->flag) {
-							*aopt->flag = aopt->val;
-							add_exported_option(0, (char*) uwsgi_attr);
-						}
-						else {
-							manage_opt(aopt->val, uwsgi_val);
-						}
-					}
-					lopt++;
-				}
+				add_exported_option((char*) uwsgi_attr, uwsgi_val, 0);
 			}
 
 			free(bervalues);

uwsgiconfig.py

@@ -377,9 +377,15 @@ class uConf(object):
             self.gcc_list.append('yaml')
 
         if self.get('ldap'):
-            self.cflags.append("-DUWSGI_LDAP")
-            self.gcc_list.append('ldap')
-            self.libs.append('-lldap')
+            if self.get('ldap') == 'auto':
+                if os.path.exists('/usr/include/ldap.h'):
+                    self.cflags.append("-DUWSGI_LDAP")
+                    self.gcc_list.append('ldap')
+                    self.libs.append('-lldap')
+            else:
+                self.cflags.append("-DUWSGI_LDAP")
+                self.gcc_list.append('ldap')
+                self.libs.append('-lldap')
 
         if self.get('evdis'):
             self.cflags.append("-DUWSGI_EVDIS")