diff --git a/ChangeLog b/ChangeLog
index 05bed06e44..ce0e9a367f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,33 @@
 2014-03-06  Joseph Myers  <joseph@codesourcery.com>
 
+	* conform/data/aio.h-data [XPG3 || XPG4]: Disable whole file.
+	* conform/data/arpa/inet.h-data [XPG3]: Likewise.
+	* conform/data/dlfcn.h-data [XPG3 || XPG4]: Likewise.
+	* conform/data/fmtmsg.h-data [XPG3]: Likewise.
+	* conform/data/libgen.h-data [XPG3]: Likewise.
+	* conform/data/mqueue.h-data [XPG3 || XPG4]: Likewise.
+	* conform/data/ndbm.h-data [XPG3]: Likewise.
+	* conform/data/net/if.h-data [XPG3 || XPG4 || UNIX98]: Likewise.
+	* conform/data/netdb.h-data [XPG3]: Likewise.
+	* conform/data/netinet/in.h-data [XPG3]: Likewise.
+	* conform/data/poll.h-data [XPG3]: Likewise.
+	* conform/data/spawn.h-data [XPG3 || XPG4 || UNIX98]: Likewise.
+	* conform/data/strings.h-data [XPG3]: Likewise.
+	* conform/data/stropts.h-data [XPG3]: Likewise.
+	* conform/data/sys/mman.h-data [XPG3]: Likewise.
+	* conform/data/sys/resource.h-data [XPG3]: Likewise.
+	* conform/data/sys/select.h-data [XPG3 || XPG4 || UNIX98]:
+	Likewise.
+	* conform/data/sys/statvfs.h-data [XPG3]: Likewise.
+	* conform/data/sys/time.h-data [XPG3]: Likewise.
+	* conform/data/sys/timeb.h-data [XPG3]: Likewise.
+	* conform/data/sys/uio.h-data [XPG3]: Likewise.
+	* conform/data/sys/un.h-data [XPG3]: Likewise.
+	* conform/data/syslog.h-data [XPG3]: Likewise.
+	* conform/data/ucontext.h-data [XPG3]: Likewise.
+	* conform/data/utmpx.h-data [XPG3]: Likewise.
+	* conform/data/varargs.h-data [UNIX98]: Enable file.
+
 	* manual/Makefile (INSTALL_INFO): Remove variable setting.
 
 	* math/libm-test.inc (struct test_f_f_data): Move expected results
diff --git a/conform/data/aio.h-data b/conform/data/aio.h-data
index d6d0acbbe6..e87923ed70 100644
--- a/conform/data/aio.h-data
+++ b/conform/data/aio.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined XPG3 && !defined XPG4
 type {struct aiocb}
 
 // Test elements of the AIO control struct.
diff --git a/conform/data/arpa/inet.h-data b/conform/data/arpa/inet.h-data
index becee2fd1e..2bd3aeea0a 100644
--- a/conform/data/arpa/inet.h-data
+++ b/conform/data/arpa/inet.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG3
 // in_port_t should have exactly 16 bits
 type in_port_t
 // in_addr_t should have exactly 32 bits
diff --git a/conform/data/dlfcn.h-data b/conform/data/dlfcn.h-data
index 59dd028911..a954c9db46 100644
--- a/conform/data/dlfcn.h-data
+++ b/conform/data/dlfcn.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG3 && !defined XPG4
 macro RTLD_LAZY
 macro RTLD_NOW
 macro RTLD_GLOBAL
diff --git a/conform/data/fmtmsg.h-data b/conform/data/fmtmsg.h-data
index b6ddf27721..e64d87ce40 100644
--- a/conform/data/fmtmsg.h-data
+++ b/conform/data/fmtmsg.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined POSIX2008
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined POSIX2008 && !defined XPG3
 macro MM_HARD
 constant MM_HARD
 
diff --git a/conform/data/libgen.h-data b/conform/data/libgen.h-data
index f59bbb0007..443cd0bd22 100644
--- a/conform/data/libgen.h-data
+++ b/conform/data/libgen.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined POSIX2008
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined POSIX2008 && !defined XPG3
 function {char*} basename (char*)
 function {char*} dirname (char*)
 
diff --git a/conform/data/mqueue.h-data b/conform/data/mqueue.h-data
index 2ff27480e6..76652ce661 100644
--- a/conform/data/mqueue.h-data
+++ b/conform/data/mqueue.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined XPG3 && !defined XPG4
 // should test for not an array type.
 type mqd_t
 
diff --git a/conform/data/ndbm.h-data b/conform/data/ndbm.h-data
index 5d1fc6a3c1..43c6a38d79 100644
--- a/conform/data/ndbm.h-data
+++ b/conform/data/ndbm.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined POSIX2008
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined POSIX2008 && !defined XPG3
 type datum
 element datum {void*} dptr
 element datum size_t dsize
diff --git a/conform/data/net/if.h-data b/conform/data/net/if.h-data
index 2c3eb4d9d5..fd8509567f 100644
--- a/conform/data/net/if.h-data
+++ b/conform/data/net/if.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG3 && !defined XPG4 && !defined UNIX98
 type {struct if_nameindex}
 
 element {struct if_nameindex} {unsigned int} if_index
diff --git a/conform/data/netdb.h-data b/conform/data/netdb.h-data
index a73004c615..c5fd25756d 100644
--- a/conform/data/netdb.h-data
+++ b/conform/data/netdb.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG3
 optional-type in_port_t
 optional-type in_addr_t
 
diff --git a/conform/data/netinet/in.h-data b/conform/data/netinet/in.h-data
index be0236b490..928432651b 100644
--- a/conform/data/netinet/in.h-data
+++ b/conform/data/netinet/in.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG3
 type in_port_t
 type in_addr_t
 
diff --git a/conform/data/poll.h-data b/conform/data/poll.h-data
index 395e4b5011..84777dffa1 100644
--- a/conform/data/poll.h-data
+++ b/conform/data/poll.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG3
 type {struct pollfd}
 element {struct pollfd} int fd
 element {struct pollfd} {short int} events
diff --git a/conform/data/spawn.h-data b/conform/data/spawn.h-data
index 637f2bf0d0..fb206f7ecf 100644
--- a/conform/data/spawn.h-data
+++ b/conform/data/spawn.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG3 && !defined XPG4 && !defined UNIX98
 type posix_spawnattr_t
 type posix_spawn_file_actions_t
 # if defined XOPEN2K8 || defined POSIX2008
diff --git a/conform/data/strings.h-data b/conform/data/strings.h-data
index b61ac50e6f..d22609a0f8 100644
--- a/conform/data/strings.h-data
+++ b/conform/data/strings.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG3
 # if !defined XOPEN2K8 && !defined POSIX2008
 function int bcmp (const void*, const void*, size_t)
 function void bcopy (const void*, void*, size_t)
diff --git a/conform/data/stropts.h-data b/conform/data/stropts.h-data
index d978a1c5e9..6849fecc87 100644
--- a/conform/data/stropts.h-data
+++ b/conform/data/stropts.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG3
 type {struct bandinfo}
 
 element {struct bandinfo} {unsigned char} bi_pri
diff --git a/conform/data/sys/mman.h-data b/conform/data/sys/mman.h-data
index 62f8f4b32d..0555fd1771 100644
--- a/conform/data/sys/mman.h-data
+++ b/conform/data/sys/mman.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined XPG3
 constant PROT_READ
 constant PROT_WRITE
 constant PROT_EXEC
diff --git a/conform/data/sys/resource.h-data b/conform/data/sys/resource.h-data
index 67517adeda..5c46dea301 100644
--- a/conform/data/sys/resource.h-data
+++ b/conform/data/sys/resource.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined POSIX2008
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined POSIX2008 && !defined XPG3
 constant PRIO_PROCESS
 constant PRIO_PGRP
 constant PRIO_USER
diff --git a/conform/data/sys/select.h-data b/conform/data/sys/select.h-data
index 84e07e9729..00f037ac5c 100644
--- a/conform/data/sys/select.h-data
+++ b/conform/data/sys/select.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG3 && !defined XPG4 && !defined UNIX98
 type time_t
 type suseconds_t
 
diff --git a/conform/data/sys/statvfs.h-data b/conform/data/sys/statvfs.h-data
index 750f22b4e1..fa56fbeee1 100644
--- a/conform/data/sys/statvfs.h-data
+++ b/conform/data/sys/statvfs.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG3
 type {struct statvfs}
 
 element {struct statvfs} {unsigned long} f_bsize
diff --git a/conform/data/sys/time.h-data b/conform/data/sys/time.h-data
index 98e590989c..1d07bd6380 100644
--- a/conform/data/sys/time.h-data
+++ b/conform/data/sys/time.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined POSIX2008
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined POSIX2008 && !defined XPG3
 type {struct timeval}
 
 element {struct timeval} time_t tv_sec
diff --git a/conform/data/sys/timeb.h-data b/conform/data/sys/timeb.h-data
index 460da6ee8c..dbae045bd5 100644
--- a/conform/data/sys/timeb.h-data
+++ b/conform/data/sys/timeb.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG3
 type {struct timeb}
 
 element {struct timeb} time_t time
diff --git a/conform/data/sys/uio.h-data b/conform/data/sys/uio.h-data
index 3352695104..da606b8f3f 100644
--- a/conform/data/sys/uio.h-data
+++ b/conform/data/sys/uio.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG3
 type {struct iovec}
 
 element {struct iovec} {void*} iov_base
diff --git a/conform/data/sys/un.h-data b/conform/data/sys/un.h-data
index ee157ed5f8..3bf7968683 100644
--- a/conform/data/sys/un.h-data
+++ b/conform/data/sys/un.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG3
 type {struct sockaddr_un}
 
 element {struct sockaddr_un} sa_family_t sun_family
diff --git a/conform/data/syslog.h-data b/conform/data/syslog.h-data
index 26fef76ac1..05619cf489 100644
--- a/conform/data/syslog.h-data
+++ b/conform/data/syslog.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined POSIX2008
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined POSIX2008 && !defined XPG3
 constant LOG_PID
 constant LOG_CONS
 constant LOG_NDELAY
diff --git a/conform/data/ucontext.h-data b/conform/data/ucontext.h-data
index 2b5f3b4a6f..93e9c1ed51 100644
--- a/conform/data/ucontext.h-data
+++ b/conform/data/ucontext.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined XPG3
 type mcontext_t
 
 type ucontext_t
diff --git a/conform/data/utmpx.h-data b/conform/data/utmpx.h-data
index b9dd0d5a59..b8a0062321 100644
--- a/conform/data/utmpx.h-data
+++ b/conform/data/utmpx.h-data
@@ -1,4 +1,4 @@
-#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined POSIX2008
+#if !defined ISO && !defined ISO99 && !defined ISO11 && !defined POSIX && !defined POSIX2008 && !defined XPG3
 type {struct utmpx}
 
 element {struct utmpx} char ut_user []
diff --git a/conform/data/varargs.h-data b/conform/data/varargs.h-data
index a486b72603..48435fe387 100644
--- a/conform/data/varargs.h-data
+++ b/conform/data/varargs.h-data
@@ -1,4 +1,4 @@
-#if defined XPG3 || defined XPG4
+#if defined XPG3 || defined XPG4 || defined UNIX98
 macro va_alist
 macro va_dcl
 type va_list