Patch required to compile Samba 4.11.x on recent Ubuntu systems

smb411-nsstest.patch

--- a/nsswitch/nsstest.c   2019-12-06 06:46:56.000000000 -0300
+++ b/nsswitch/nsstest.c   2020-09-11 18:35:27.199949579 -0300
@@ -137,7 +137,7 @@
    return &pwd;
 }

-static void nss_setpwent(void)
+static void nss_setpwent2(void)
 {
    NSS_STATUS (*_nss_setpwent)(void) =
       (NSS_STATUS(*)(void))find_fn("setpwent");
@@ -152,7 +152,7 @@
    }
 }

-static void nss_endpwent(void)
+static void nss_endpwent2(void)
 {
    NSS_STATUS (*_nss_endpwent)(void) =
       (NSS_STATUS (*)(void))find_fn("endpwent");
@@ -290,7 +290,7 @@
    return &grp;
 }

-static void nss_setgrent(void)
+static void nss_setgrent2(void)
 {
    NSS_STATUS (*_nss_setgrent)(void) =
       (NSS_STATUS (*)(void))find_fn("setgrent");
@@ -305,7 +305,7 @@
    }
 }

-static void nss_endgrent(void)
+static void nss_endgrent2(void)
 {
    NSS_STATUS (*_nss_endgrent)(void) =
       (NSS_STATUS (*)(void))find_fn("endgrent");
@@ -402,7 +402,7 @@
 {
 	struct passwd *pwd;

-	nss_setpwent();
+	nss_setpwent2();
 	/* loop over all users */
 	while ((pwd = nss_getpwent())) {
 		printf("Testing user %s\n", pwd->pw_name);
@@ -424,14 +424,14 @@
 		printf("initgroups: "); nss_test_initgroups(pwd->pw_name, pwd->pw_gid);
 		printf("\n");
 	}
-	nss_endpwent();
+	nss_endpwent2();
 }

 static void nss_test_groups(void)
 {
 	struct group *grp;

-	nss_setgrent();
+	nss_setgrent2();
 	/* loop over all groups */
 	while ((grp = nss_getgrent())) {
 		printf("Testing group %s\n", grp->gr_name);
@@ -452,7 +452,7 @@
 		printf("getgrgid: "); print_group(grp);
 		printf("\n");
 	}
-	nss_endgrent();
+	nss_endgrent2();
 }

 static void nss_test_errors(void)