Add missing header files throughout the testsuite.

	* crypt/md5.h: Test _LIBC with #if defined, not #if.
	* dirent/opendir-tst1.c: Include sys/stat.h.
	* dirent/tst-fdopendir.c: Include sys/stat.h.
	* dirent/tst-fdopendir2.c: Include stdlib.h.
	* dirent/tst-scandir.c: Include stdbool.h.
	* elf/tst-auditmod1.c: Include link.h and stddef.h.
	* elf/tst-tls15.c: Include stdlib.h.
	* elf/tst-tls16.c: Include stdlib.h.
	* elf/tst-tls17.c: Include stdlib.h.
	* elf/tst-tls18.c: Include stdlib.h.
	* iconv/tst-iconv6.c: Include endian.h.
	* iconvdata/bug-iconv11.c: Include limits.h.
	* io/test-utime.c: Include stdint.h.
	* io/tst-faccessat.c: Include sys/stat.h.
	* io/tst-fchmodat.c: Include sys/stat.h.
	* io/tst-fchownat.c: Include sys/stat.h.
	* io/tst-fstatat.c: Include sys/stat.h.
	* io/tst-futimesat.c: Include sys/stat.h.
	* io/tst-linkat.c: Include sys/stat.h.
	* io/tst-mkdirat.c: Include sys/stat.h and stdbool.h.
	* io/tst-mkfifoat.c: Include sys/stat.h and stdbool.h.
	* io/tst-mknodat.c: Include sys/stat.h and stdbool.h.
	* io/tst-openat.c: Include stdbool.h.
	* io/tst-readlinkat.c: Include sys/stat.h.
	* io/tst-renameat.c: Include sys/stat.h.
	* io/tst-symlinkat.c: Include sys/stat.h.
	* io/tst-unlinkat.c: Include stdbool.h.
	* libio/bug-memstream1.c: Include stdlib.h.
	* libio/bug-wmemstream1.c: Include stdlib.h.
	* libio/tst-fwrite-error.c: Include stdlib.h.
	* libio/tst-memstream1.c: Include stdlib.h.
	* libio/tst-memstream2.c: Include stdlib.h.
	* libio/tst-memstream3.c: Include stdlib.h.
	* malloc/tst-interpose-aux.c: Include stdint.h.
	* misc/tst-preadvwritev-common.c: Include sys/stat.h.
	* nptl/tst-basic7.c: Include limits.h.
	* nptl/tst-cancel25.c: Include pthread.h, not pthreadP.h.
	* nptl/tst-cancel4.c: Include stddef.h, limits.h, and sys/stat.h.
	* nptl/tst-cancel4_1.c: Include stddef.h.
	* nptl/tst-cancel4_2.c: Include stddef.h.
	* nptl/tst-cond16.c: Include limits.h.
	Use sysconf(_SC_PAGESIZE) instead of __getpagesize.
	* nptl/tst-cond18.c: Include limits.h.
	Use sysconf(_SC_PAGESIZE) instead of __getpagesize.
	* nptl/tst-cond4.c: Include stdint.h.
	* nptl/tst-cond6.c: Include stdint.h.
	* nptl/tst-stack2.c: Include limits.h.
	* nptl/tst-stackguard1.c: Include stddef.h.
	* nptl/tst-tls4.c: Include stdint.h. Don't include tls.h.
	* nptl/tst-tls4moda.c: Include stddef.h.
	Don't include stdio.h, unistd.h, or tls.h.
	* nptl/tst-tls4modb.c: Include stddef.h.
	Don't include stdio.h, unistd.h, or tls.h.
	* nptl/tst-tls5.h: Include stddef.h. Don't include stdlib.h or tls.h.
	* posix/tst-getaddrinfo2.c: Include stdio.h.
	* posix/tst-getaddrinfo5.c: Include stdio.h.
	* posix/tst-pathconf.c: Include sys/stat.h.
	* posix/tst-posix_fadvise-common.c: Include stdint.h.
	* posix/tst-preadwrite-common.c: Include sys/stat.h.
	* posix/tst-regex.c: Include stdint.h.
	Don't include spawn.h or spawn_int.h.
	* posix/tst-regexloc.c: Don't include spawn.h or spawn_int.h.
	* posix/tst-vfork3.c: Include sys/stat.h.
	* resolv/tst-bug18665-tcp.c: Include stdlib.h.
	* resolv/tst-res_hconf_reorder.c: Include stdlib.h.
	* resolv/tst-resolv-search.c: Include stdlib.h.
	* stdio-common/tst-fmemopen2.c: Include stdint.h.
	* stdio-common/tst-vfprintf-width-prec.c: Include stdlib.h.
	* stdlib/test-canon.c: Include sys/stat.h.
	* stdlib/tst-tls-atexit.c: Include stdbool.h.
	* string/test-memchr.c: Include stdint.h.
	* string/tst-cmp.c: Include stdint.h.
	* sysdeps/pthread/tst-timer.c: Include stdint.h.
	* sysdeps/unix/sysv/linux/tst-sync_file_range.c: Include stdint.h.
	* sysdeps/wordsize-64/tst-writev.c: Include limits.h and stdint.h.
	* sysdeps/x86_64/fpu/math-tests-arch.h: Include cpu-features.h.
	Don't include init-arch.h.
	* sysdeps/x86_64/multiarch/test-multiarch.h: Include cpu-features.h.
	Don't include init-arch.h.
	* sysdeps/x86_64/tst-auditmod10b.c: Include link.h and stddef.h.
	* sysdeps/x86_64/tst-auditmod3b.c: Include link.h and stddef.h.
	* sysdeps/x86_64/tst-auditmod4b.c: Include link.h and stddef.h.
	* sysdeps/x86_64/tst-auditmod5b.c: Include link.h and stddef.h.
	* sysdeps/x86_64/tst-auditmod6b.c: Include link.h and stddef.h.
	* sysdeps/x86_64/tst-auditmod6c.c: Include link.h and stddef.h.
	* sysdeps/x86_64/tst-auditmod7b.c: Include link.h and stddef.h.
	* time/clocktest.c: Include stdint.h.
	* time/tst-posixtz.c: Include stdint.h.
	* timezone/tst-timezone.c: Include stdint.h.

12 files changed, 21 insertions, 7 deletions

diff --git a/sysdeps/pthread/tst-timer.c b/sysdeps/pthread/tst-timer.c
index 1a09fb78f3..6866180555 100644
--- a/sysdeps/pthread/tst-timer.c
+++ b/sysdeps/pthread/tst-timer.c
@@ -23,6 +23,7 @@
 #include <time.h>
 #include <unistd.h>
 #include <stdlib.h>
+#include <stdint.h>
 
 
 static void
diff --git a/sysdeps/unix/sysv/linux/tst-sync_file_range.c b/sysdeps/unix/sysv/linux/tst-sync_file_range.c
index b0a6104fd0..73cbcb3247 100644
--- a/sysdeps/unix/sysv/linux/tst-sync_file_range.c
+++ b/sysdeps/unix/sysv/linux/tst-sync_file_range.c
@@ -21,6 +21,7 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <limits.h>
+#include <stdint.h>
 #include <stdlib.h>
 #include <sys/stat.h>
 
diff --git a/sysdeps/wordsize-64/tst-writev.c b/sysdeps/wordsize-64/tst-writev.c
index 685f20f430..bda2b3fe74 100644
--- a/sysdeps/wordsize-64/tst-writev.c
+++ b/sysdeps/wordsize-64/tst-writev.c
@@ -17,8 +17,10 @@
    <http://www.gnu.org/licenses/>.  */
 
 #include <fcntl.h>
+#include <limits.h>
 #include <paths.h>
 #include <stdio.h>
+#include <stdint.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <sys/uio.h>
diff --git a/sysdeps/x86_64/fpu/math-tests-arch.h b/sysdeps/x86_64/fpu/math-tests-arch.h
index 98f7cf6548..9278e3440b 100644
--- a/sysdeps/x86_64/fpu/math-tests-arch.h
+++ b/sysdeps/x86_64/fpu/math-tests-arch.h
@@ -16,11 +16,11 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
+#include <cpu-features.h>
+
 #if defined REQUIRE_AVX
-# include <init-arch.h>
 
 # define INIT_ARCH_EXT
-
 # define CHECK_ARCH_EXT                                        \
   do                                                           \
     {                                                          \
@@ -29,10 +29,8 @@
   while (0)
 
 #elif defined REQUIRE_AVX2
-# include <init-arch.h>
 
 # define INIT_ARCH_EXT
-
 # define CHECK_ARCH_EXT                                        \
   do                                                           \
     {                                                          \
@@ -41,10 +39,8 @@
   while (0)
 
 #elif defined REQUIRE_AVX512F
-# include <init-arch.h>
 
 # define INIT_ARCH_EXT
-
 # define CHECK_ARCH_EXT                                        \
   do                                                           \
     {                                                          \
diff --git a/sysdeps/x86_64/multiarch/test-multiarch.c b/sysdeps/x86_64/multiarch/test-multiarch.c
index 3974842c19..597d64e1e8 100644
--- a/sysdeps/x86_64/multiarch/test-multiarch.c
+++ b/sysdeps/x86_64/multiarch/test-multiarch.c
@@ -16,7 +16,7 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#include <init-arch.h>
+#include <cpu-features.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/sysdeps/x86_64/tst-auditmod10b.c b/sysdeps/x86_64/tst-auditmod10b.c
index c5741b28c1..5b9a985ca2 100644
--- a/sysdeps/x86_64/tst-auditmod10b.c
+++ b/sysdeps/x86_64/tst-auditmod10b.c
@@ -19,6 +19,8 @@
    function parameter passing/return.  */
 
 #include <dlfcn.h>
+#include <link.h>
+#include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/sysdeps/x86_64/tst-auditmod3b.c b/sysdeps/x86_64/tst-auditmod3b.c
index 1a41ca80c0..7aad92382e 100644
--- a/sysdeps/x86_64/tst-auditmod3b.c
+++ b/sysdeps/x86_64/tst-auditmod3b.c
@@ -2,6 +2,8 @@
    function parameter passing/return.  */
 
 #include <dlfcn.h>
+#include <link.h>
+#include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/sysdeps/x86_64/tst-auditmod4b.c b/sysdeps/x86_64/tst-auditmod4b.c
index 2b0d827e88..1153ea442c 100644
--- a/sysdeps/x86_64/tst-auditmod4b.c
+++ b/sysdeps/x86_64/tst-auditmod4b.c
@@ -2,6 +2,8 @@
    function parameter passing/return.  */
 
 #include <dlfcn.h>
+#include <link.h>
+#include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/sysdeps/x86_64/tst-auditmod5b.c b/sysdeps/x86_64/tst-auditmod5b.c
index a74d261f03..6a280fd61b 100644
--- a/sysdeps/x86_64/tst-auditmod5b.c
+++ b/sysdeps/x86_64/tst-auditmod5b.c
@@ -2,6 +2,8 @@
    function parameter passing/return.  */
 
 #include <dlfcn.h>
+#include <link.h>
+#include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/sysdeps/x86_64/tst-auditmod6b.c b/sysdeps/x86_64/tst-auditmod6b.c
index 886fc33e9b..3533602c07 100644
--- a/sysdeps/x86_64/tst-auditmod6b.c
+++ b/sysdeps/x86_64/tst-auditmod6b.c
@@ -2,6 +2,8 @@
    function parameter passing/return.  */
 
 #include <dlfcn.h>
+#include <link.h>
+#include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/sysdeps/x86_64/tst-auditmod6c.c b/sysdeps/x86_64/tst-auditmod6c.c
index b2ee24d8bf..8000e89224 100644
--- a/sysdeps/x86_64/tst-auditmod6c.c
+++ b/sysdeps/x86_64/tst-auditmod6c.c
@@ -2,6 +2,8 @@
    function parameter passing/return.  */
 
 #include <dlfcn.h>
+#include <link.h>
+#include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/sysdeps/x86_64/tst-auditmod7b.c b/sysdeps/x86_64/tst-auditmod7b.c
index f27076d3bb..5abe6d1bc9 100644
--- a/sysdeps/x86_64/tst-auditmod7b.c
+++ b/sysdeps/x86_64/tst-auditmod7b.c
@@ -2,6 +2,8 @@
    function parameter passing/return.  */
 
 #include <dlfcn.h>
+#include <link.h>
+#include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>