support: Simplify compiling most of support/ outside of glibc

Some include files were missing because they are implied by the
in-tree build process.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

ChangeLog

@@ -1,3 +1,17 @@
+2017-12-14  Florian Weimer  <fweimer@redhat.com>
+
+	Simplify compiling most of support/ outside of glibc.
+	* support/check_addrinfo.c: Include <string.h>.
+	* support/check_dns_packet.c: Likewise.
+	* support/check_hostent.c: Likewise.
+	* support/support_can_chroot.c: Include <support/xunistd.h>.
+	* support/support_format_addrinfo.c: Include <stdlib.h>
+	* support/support_format_dns_packet.c: Include <stdbool.h>.
+	* support/support_format_hostent.c: Include <stdlib.h>.
+	* support/support_format_netent.c: Likewise.
+	* support/support_write_string.c: Include <support/xunistd.h>.
+	* support/xdlfcn.c: Include <stddef.h>.
+
 2017-12-14  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* sysdeps/x86_64/fpu/s_cosf.S: Removed.

support/check_addrinfo.c

@@ -20,6 +20,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <support/check.h>
 #include <support/format_nss.h>
 #include <support/run_diff.h>

support/check_dns_packet.c

@@ -20,6 +20,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <support/check.h>
 #include <support/format_nss.h>
 #include <support/run_diff.h>

support/check_hostent.c

@@ -20,6 +20,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <support/check.h>
 #include <support/format_nss.h>
 #include <support/run_diff.h>

support/check_netent.c

@@ -20,6 +20,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <support/check.h>
 #include <support/format_nss.h>
 #include <support/run_diff.h>

support/support_can_chroot.c

@@ -21,9 +21,9 @@
 #include <support/check.h>
 #include <support/namespace.h>
 #include <support/support.h>
+#include <support/xunistd.h>
 #include <sys/stat.h>
 #include <unistd.h>
-#include <xunistd.h>
 
 static void
 callback (void *closure)

support/support_format_addrinfo.c

@@ -21,6 +21,7 @@
 #include <arpa/inet.h>
 #include <errno.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <support/support.h>
 #include <support/xmemstream.h>
 

support/support_format_dns_packet.c

@@ -20,6 +20,7 @@
 
 #include <arpa/inet.h>
 #include <resolv.h>
+#include <stdbool.h>
 #include <support/check.h>
 #include <support/support.h>
 #include <support/xmemstream.h>

support/support_format_hostent.c

@@ -21,6 +21,7 @@
 #include <arpa/inet.h>
 #include <errno.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <support/support.h>
 #include <support/xmemstream.h>
 

support/support_format_netent.c

@@ -20,6 +20,7 @@
 
 #include <arpa/inet.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <support/support.h>
 #include <support/xmemstream.h>
 

support/support_write_file_string.c

@@ -19,7 +19,7 @@
 #include <fcntl.h>
 #include <string.h>
 #include <support/check.h>
-#include <xunistd.h>
+#include <support/xunistd.h>
 
 void
 support_write_file_string (const char *path, const char *contents)

support/xdlfcn.c

@@ -16,6 +16,7 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
+#include <stddef.h>
 #include <support/check.h>
 #include <support/xdlfcn.h>