samba: fix compile with musl toolchain

Patches from Alpine Linux allowing to compile
samba with musl toolchain.

Reported-By: Ints M <idr.sia@inbox.lv>

package/samba/Makefile

@@ -5,7 +5,7 @@ include $(ADK_TOPDIR)/rules.mk
 
 PKG_NAME:=		samba
 PKG_VERSION:=		4.6.6
-PKG_RELEASE:=		1
+PKG_RELEASE:=		2
 PKG_HASH:=		fc31c809f7d85ae30f2b7dcddcb8404201b626047458cb5f2b743d4f6f3f1a8e
 PKG_DESCR:=		file and print server
 PKG_SECTION:=		net/fs

package/samba/files/cache.txt

@@ -23,6 +23,7 @@ Checking whether setreuid is available: OK
 Checking whether setresuid is available: OK
 Checking whether seteuid is available: OK
 Checking whether fcntl locking is available: OK
+Checking whether fcntl lock supports open file description locks: OK
 Checking for the maximum value of the 'time_t' type: OK
 Checking whether the realpath function allows a NULL argument: OK
 Checking whether POSIX capabilities are available: OK

package/samba/patches/patch-nsswitch_wins_c

@@ -0,0 +1,17 @@
+--- samba-4.6.6.orig/nsswitch/wins.c	2017-01-09 09:12:30.000000000 +0100
++++ samba-4.6.6/nsswitch/wins.c	2017-08-02 22:28:16.616627669 +0200
+@@ -39,6 +39,14 @@ static pthread_mutex_t wins_nss_mutex =
+ #define INADDRSZ 4
+ #endif
+ 
++#ifndef NETDB_INTERNAL
++#define NETDB_INTERNAL -1
++#endif
++
++#ifndef NETDB_SUCCESS
++#define NETDB_SUCCESS 0
++#endif
++
+ NSS_STATUS _nss_wins_gethostbyname_r(const char *hostname,
+ 				     struct hostent *he,
+ 				     char *buffer,

package/samba/patches/patch-source3_lib_util_c

@@ -1,6 +1,6 @@
---- samba-4.2.1.orig/source3/lib/util.c	2015-01-16 09:18:39.000000000 +0100
-+++ samba-4.2.1/source3/lib/util.c	2015-04-26 13:26:28.000000000 +0200
-@@ -562,6 +562,7 @@ char *get_mydnsdomname(TALLOC_CTX *ctx)
+--- samba-4.6.6.orig/source3/lib/util.c	2017-02-09 08:45:27.000000000 +0100
++++ samba-4.6.6/source3/lib/util.c	2017-08-02 21:54:59.695281066 +0200
+@@ -565,6 +565,7 @@ char *get_mydnsdomname(TALLOC_CTX *ctx)
  	}
  }
  
@@ -8,7 +8,7 @@
  #if (defined(HAVE_NETGROUP) && defined(WITH_AUTOMOUNT))
  /******************************************************************
   Remove any mount options such as -rsize=2048,wsize=2048 etc.
-@@ -684,6 +685,7 @@ char *automount_lookup(TALLOC_CTX *ctx,
+@@ -687,6 +688,7 @@ char *automount_lookup(TALLOC_CTX *ctx,
  }
  #endif /* WITH_NISPLUS_HOME */
  #endif

package/samba/patches/patch-source4_torture_local_nss_tests_c

@@ -0,0 +1,78 @@
+--- samba-4.6.6.orig/source4/torture/local/nss_tests.c	2017-01-09 09:12:33.000000000 +0100
++++ samba-4.6.6/source4/torture/local/nss_tests.c	2017-08-03 07:58:11.514847082 +0200
+@@ -247,7 +247,6 @@ static bool test_getgrnam_r(struct tortu
+ 	return true;
+ }
+ 
+-
+ static bool test_getgrgid(struct torture_context *tctx,
+ 			  gid_t gid,
+ 			  struct group *grp_p)
+@@ -333,6 +332,7 @@ static bool test_enum_passwd(struct tort
+ 	return true;
+ }
+ 
++#if HAVE_GETPWENT_R
+ static bool test_enum_r_passwd(struct torture_context *tctx,
+ 			       struct passwd **pwd_array_p,
+ 			       size_t *num_pwd_p)
+@@ -381,6 +381,7 @@ static bool test_enum_r_passwd(struct to
+ 
+ 	return true;
+ }
++#endif
+ 
+ static bool torture_assert_passwd_equal(struct torture_context *tctx,
+ 					const struct passwd *p1,
+@@ -432,7 +433,7 @@ static bool test_passwd_r(struct torture
+ 	struct passwd *pwd, pwd1, pwd2;
+ 	size_t num_pwd;
+ 
+-	torture_assert(tctx, test_enum_r_passwd(tctx, &pwd, &num_pwd),
++	torture_assert(tctx, test_enum_passwd(tctx, &pwd, &num_pwd),
+ 						"failed to enumerate passwd");
+ 
+ 	for (i=0; i < num_pwd; i++) {
+@@ -460,7 +461,7 @@ static bool test_passwd_r_cross(struct t
+ 	struct passwd *pwd, pwd1, pwd2, pwd3, pwd4;
+ 	size_t num_pwd;
+ 
+-	torture_assert(tctx, test_enum_r_passwd(tctx, &pwd, &num_pwd),
++	torture_assert(tctx, test_enum_passwd(tctx, &pwd, &num_pwd),
+ 						"failed to enumerate passwd");
+ 
+ 	for (i=0; i < num_pwd; i++) {
+@@ -531,6 +532,7 @@ static bool test_enum_group(struct tortu
+ 	return true;
+ }
+ 
++#if HAVE_GETGRENT_R
+ static bool test_enum_r_group(struct torture_context *tctx,
+ 			      struct group **grp_array_p,
+ 			      size_t *num_grp_p)
+@@ -579,6 +581,7 @@ static bool test_enum_r_group(struct tor
+ 
+ 	return true;
+ }
++#endif
+ 
+ static bool torture_assert_group_equal(struct torture_context *tctx,
+ 				       const struct group *g1,
+@@ -635,7 +638,7 @@ static bool test_group_r(struct torture_
+ 	struct group *grp, grp1, grp2;
+ 	size_t num_grp;
+ 
+-	torture_assert(tctx, test_enum_r_group(tctx, &grp, &num_grp),
++	torture_assert(tctx, test_enum_group(tctx, &grp, &num_grp),
+ 					       "failed to enumerate group");
+ 
+ 	for (i=0; i < num_grp; i++) {
+@@ -663,7 +666,7 @@ static bool test_group_r_cross(struct to
+ 	struct group *grp, grp1, grp2, grp3, grp4;
+ 	size_t num_grp;
+ 
+-	torture_assert(tctx, test_enum_r_group(tctx, &grp, &num_grp),
++	torture_assert(tctx, test_enum_group(tctx, &grp, &num_grp),
+ 					       "failed to enumerate group");
+ 
+ 	for (i=0; i < num_grp; i++) {