--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,66 @@
+2010-02-01  Eric Blake  <ebb9@byu.net>
+
+	tests: silence warning about system return
+	* tests/test-areadlink-with-size.c (main): Ignore system result.
+	* tests/test-areadlink.c (main): Likewise.
+	* tests/test-areadlinkat-with-size.c (main): Likewise.
+	* tests/test-areadlinkat.c (main): Likewise.
+	* tests/test-canonicalize-lgpl.c (main): Likewise.
+	* tests/test-canonicalize.c (main): Likewise.
+	* tests/test-chown.c (main): Likewise.
+	* tests/test-fchownat.c (main): Likewise.
+	* tests/test-fdutimensat.c (main): Likewise.
+	* tests/test-fstatat.c (main): Likewise.
+	* tests/test-futimens.c (main): Likewise.
+	* tests/test-lchown.c (main): Likewise.
+	* tests/test-link.c (main): Likewise.
+	* tests/test-linkat.c (main): Likewise.
+	* tests/test-lstat.c (main): Likewise.
+	* tests/test-mkdir.c (main): Likewise.
+	* tests/test-mkdirat.c (main): Likewise.
+	* tests/test-mkfifo.c (main): Likewise.
+	* tests/test-mkfifoat.c (main): Likewise.
+	* tests/test-mknod.c (main): Likewise.
+	* tests/test-readlink.c (main): Likewise.
+	* tests/test-remove.c (main): Likewise.
+	* tests/test-rename.c (main): Likewise.
+	* tests/test-renameat.c (main): Likewise.
+	* tests/test-rmdir.c (main): Likewise.
+	* tests/test-symlink.c (main): Likewise.
+	* tests/test-symlinkat.c (main): Likewise.
+	* tests/test-unlink.c (main): Likewise.
+	* tests/test-unlinkat.c (main): Likewise.
+	* tests/test-utimens.c (main): Likewise.
+	* tests/test-utimensat.c (main): Likewise.
+	* modules/areadlink-tests (Depends-on): Add ignore-value.
+	* modules/areadlink-with-size-tests (Depends-on): Likewise.
+	* modules/areadlinkat-tests (Depends-on): Likewise.
+	* modules/areadlinkat-with-size-tests (Depends-on): Likewise.
+	* modules/canonicalize-lgpl-tests (Depends-on): Likewise.
+	* modules/canonicalize-tests (Depends-on): Likewise.
+	* modules/chown-tests (Depends-on): Likewise.
+	* modules/fdutimensat-tests (Depends-on): Likewise.
+	* modules/futimens-tests (Depends-on): Likewise.
+	* modules/lchown-tests (Depends-on): Likewise.
+	* modules/link-tests (Depends-on): Likewise.
+	* modules/linkat-tests (Depends-on): Likewise.
+	* modules/lstat-tests (Depends-on): Likewise.
+	* modules/mkdir-tests (Depends-on): Likewise.
+	* modules/mkfifo-tests (Depends-on): Likewise.
+	* modules/mkfifoat-tests (Depends-on): Likewise.
+	* modules/mknod-tests (Depends-on): Likewise.
+	* modules/openat-tests (Depends-on): Likewise.
+	* modules/readlink-tests (Depends-on): Likewise.
+	* modules/remove-tests (Depends-on): Likewise.
+	* modules/rename-tests (Depends-on): Likewise.
+	* modules/renameat-tests (Depends-on): Likewise.
+	* modules/rmdir-tests (Depends-on): Likewise.
+	* modules/symlink-tests (Depends-on): Likewise.
+	* modules/symlinkat-tests (Depends-on): Likewise.
+	* modules/unlink-tests (Depends-on): Likewise.
+	* modules/utimens-tests (Depends-on): Likewise.
+	* modules/utimensat-tests (Depends-on): Likewise.
+
 2010-01-31  Bruno Haible  <bruno@clisp.org>
 
 	Perform the same test for many <math.h> functions.

--- a/modules/areadlink-tests
+++ b/modules/areadlink-tests
@@ -4,6 +4,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 stdbool
 symlink
 

--- a/modules/areadlink-with-size-tests
+++ b/modules/areadlink-with-size-tests
@@ -4,6 +4,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 stdbool
 symlink
 

--- a/modules/areadlinkat-tests
+++ b/modules/areadlinkat-tests
@@ -4,6 +4,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 stdbool
 symlink
 

--- a/modules/areadlinkat-with-size-tests
+++ b/modules/areadlinkat-with-size-tests
@@ -4,6 +4,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 stdbool
 
 configure.ac:

--- a/modules/canonicalize-lgpl-tests
+++ b/modules/canonicalize-lgpl-tests
@@ -4,6 +4,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 same-inode
 symlink
 

--- a/modules/canonicalize-tests
+++ b/modules/canonicalize-tests
@@ -3,6 +3,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 progname
 same-inode
 symlink

--- a/modules/chown-tests
+++ b/modules/chown-tests
@@ -6,6 +6,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 lstat
 mgetgroups
 progname

--- a/modules/fdutimensat-tests
+++ b/modules/fdutimensat-tests
@@ -8,6 +8,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 progname
 timespec
 usleep

--- a/modules/futimens-tests
+++ b/modules/futimens-tests
@@ -7,6 +7,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 timespec
 usleep
 utimecmp

--- a/modules/lchown-tests
+++ b/modules/lchown-tests
@@ -6,6 +6,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 mgetgroups
 progname
 usleep

--- a/modules/link-tests
+++ b/modules/link-tests
@@ -5,6 +5,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 errno
 stdbool
 sys_stat

--- a/modules/linkat-tests
+++ b/modules/linkat-tests
@@ -5,6 +5,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 areadlink-with-size
 filenamecat
 progname

--- a/modules/lstat-tests
+++ b/modules/lstat-tests
@@ -5,6 +5,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 errno
 same-inode
 stdbool

--- a/modules/mkdir-tests
+++ b/modules/mkdir-tests
@@ -5,6 +5,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 stdbool
 symlink
 

--- a/modules/mkfifo-tests
+++ b/modules/mkfifo-tests
@@ -5,6 +5,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 stdbool
 symlink
 

--- a/modules/mkfifoat-tests
+++ b/modules/mkfifoat-tests
@@ -5,6 +5,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 symlink
 
 configure.ac:

--- a/modules/mknod-tests
+++ b/modules/mknod-tests
@@ -5,6 +5,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 stdbool
 symlink
 

--- a/modules/openat-tests
+++ b/modules/openat-tests
@@ -16,6 +16,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 mgetgroups
 pathmax
 usleep

--- a/modules/readlink-tests
+++ b/modules/readlink-tests
@@ -5,6 +5,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 stdbool
 symlink
 

--- a/modules/remove-tests
+++ b/modules/remove-tests
@@ -4,6 +4,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 symlink
 sys_stat
 

--- a/modules/rename-tests
+++ b/modules/rename-tests
@@ -5,6 +5,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 errno
 link
 stdbool

--- a/modules/renameat-tests
+++ b/modules/renameat-tests
@@ -5,6 +5,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 filenamecat
 progname
 xgetcwd

--- a/modules/rmdir-tests
+++ b/modules/rmdir-tests
@@ -5,6 +5,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 stdbool
 symlink
 

--- a/modules/symlink-tests
+++ b/modules/symlink-tests
@@ -5,6 +5,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 stdbool
 
 configure.ac:

--- a/modules/symlinkat-tests
+++ b/modules/symlinkat-tests
@@ -6,6 +6,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 
 configure.ac:
 

--- a/modules/unlink-tests
+++ b/modules/unlink-tests
@@ -5,6 +5,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 stdbool
 symlink
 unlinkdir

--- a/modules/utimens-tests
+++ b/modules/utimens-tests
@@ -8,6 +8,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 symlink
 timespec
 usleep

--- a/modules/utimensat-tests
+++ b/modules/utimensat-tests
@@ -8,6 +8,7 @@
 tests/macros.h
 
 Depends-on:
+ignore-value
 progname
 timespec
 usleep

--- a/tests/test-areadlink-with-size.c
+++ b/tests/test-areadlink-with-size.c
@@ -29,6 +29,7 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-areadlink-with-size.t"
@@ -39,7 +40,7 @@
 main (void)
 {
   /* Remove any leftovers from a previous partial run.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   return test_areadlink (areadlink_with_size, true);
 }

--- a/tests/test-areadlink.c
+++ b/tests/test-areadlink.c
@@ -29,6 +29,7 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-areadlink.t"
@@ -46,7 +47,7 @@
 main (void)
 {
   /* Remove any leftovers from a previous partial run.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   return test_areadlink (do_areadlink, true);
 }

--- a/tests/test-areadlinkat-with-size.c
+++ b/tests/test-areadlinkat-with-size.c
@@ -29,6 +29,7 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-areadlinkat-with-size.t"
@@ -50,7 +51,7 @@
   int result;
 
   /* Remove any leftovers from a previous partial run.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   /* Basic tests.  */
   result = test_areadlink (do_areadlinkat_with_size, false);

--- a/tests/test-areadlinkat.c
+++ b/tests/test-areadlinkat.c
@@ -29,6 +29,7 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-areadlinkat.t"
@@ -50,7 +51,7 @@
   int result;
 
   /* Remove any leftovers from a previous partial run.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   /* Basic tests.  */
   result = test_areadlink (do_areadlinkat, false);

--- a/tests/test-canonicalize-lgpl.c
+++ b/tests/test-canonicalize-lgpl.c
@@ -32,6 +32,7 @@
 #include <unistd.h>
 
 #include "same-inode.h"
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "t-can-lgpl.tmp"
@@ -55,7 +56,7 @@
      any leftovers from a previous partial run.  */
   {
     int fd;
-    system ("rm -rf " BASE " ise");
+    ignore_value (system ("rm -rf " BASE " ise"));
     ASSERT (mkdir (BASE, 0700) == 0);
     fd = creat (BASE "/tra", 0600);
     ASSERT (0 <= fd);

--- a/tests/test-canonicalize.c
+++ b/tests/test-canonicalize.c
@@ -29,6 +29,7 @@
 #include <unistd.h>
 
 #include "same-inode.h"
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "t-can.tmp"
@@ -46,7 +47,7 @@
      any leftovers from a previous partial run.  */
   {
     int fd;
-    system ("rm -rf " BASE " ise");
+    ignore_value (system ("rm -rf " BASE " ise"));
     ASSERT (mkdir (BASE, 0700) == 0);
     fd = creat (BASE "/tra", 0600);
     ASSERT (0 <= fd);

--- a/tests/test-chown.c
+++ b/tests/test-chown.c
@@ -32,6 +32,7 @@
 
 #include "mgetgroups.h"
 #include "stat-time.h"
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-chown.t"
@@ -42,7 +43,7 @@
 main (void)
 {
   /* Remove any leftovers from a previous partial run.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   return test_chown (chown, true);
 }

--- a/tests/test-fchownat.c
+++ b/tests/test-fchownat.c
@@ -33,6 +33,7 @@
 #include "mgetgroups.h"
 #include "openat.h"
 #include "stat-time.h"
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-fchownat.t"
@@ -63,7 +64,7 @@
   int result2; /* Skip because of no lchown support.  */
 
   /* Clean up any trash from prior testsuite runs.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   /* Basic tests.  */
   result1 = test_chown (do_chown, true);

--- a/tests/test-fdutimensat.c
+++ b/tests/test-fdutimensat.c
@@ -25,6 +25,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-fdutimensat.t"
@@ -84,7 +85,7 @@
   int fd;
 
   /* Clean up any trash from prior testsuite runs.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   /* Basic tests.  */
   result1 = test_utimens (do_utimens, true);

--- a/tests/test-fstatat.c
+++ b/tests/test-fstatat.c
@@ -33,6 +33,7 @@
 #include "openat.h"
 #include "pathmax.h"
 #include "same-inode.h"
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-fstatat.t"
@@ -62,7 +63,7 @@
   int result;
 
   /* Remove any leftovers from a previous partial run.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   result = test_stat_func (do_stat, false);
   ASSERT (test_lstat_func (do_lstat, false) == result);

--- a/tests/test-futimens.c
+++ b/tests/test-futimens.c
@@ -34,6 +34,7 @@
 #include "stat-time.h"
 #include "timespec.h"
 #include "utimecmp.h"
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-futimens.t"
@@ -44,7 +45,7 @@
 main (void)
 {
   /* Clean up any trash from prior testsuite runs.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   return test_futimens (futimens, true);
 }

--- a/tests/test-lchown.c
+++ b/tests/test-lchown.c
@@ -32,6 +32,7 @@
 
 #include "mgetgroups.h"
 #include "stat-time.h"
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-lchown.t"
@@ -42,7 +43,7 @@
 main (void)
 {
   /* Remove any leftovers from a previous partial run.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   return test_lchown (lchown, true);
 }

--- a/tests/test-link.c
+++ b/tests/test-link.c
@@ -30,6 +30,7 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-link.t"
@@ -40,7 +41,7 @@
 main (void)
 {
   /* Remove any garbage left from previous partial runs.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   return test_link (link, true);
 }

--- a/tests/test-linkat.c
+++ b/tests/test-linkat.c
@@ -34,6 +34,7 @@
 #include "filenamecat.h"
 #include "same-inode.h"
 #include "xgetcwd.h"
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-linkat.t"
@@ -81,7 +82,7 @@
   int result;
 
   /* Clean up any trash from prior testsuite runs.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   /* Test basic link functionality, without mentioning symlinks.  */
   result = test_link (do_link, true);

--- a/tests/test-lstat.c
+++ b/tests/test-lstat.c
@@ -35,6 +35,7 @@
 #include <unistd.h>
 
 #include "same-inode.h"
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-lstat.t"
@@ -53,7 +54,7 @@
 main (void)
 {
   /* Remove any leftovers from a previous partial run.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   return test_lstat_func (do_lstat, true);
 }

--- a/tests/test-mkdir.c
+++ b/tests/test-mkdir.c
@@ -30,6 +30,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-mkdir.t"
@@ -40,7 +41,7 @@
 main (void)
 {
   /* Clean up any trash from prior testsuite runs.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   return test_mkdir (mkdir, true);
 }

--- a/tests/test-mkdirat.c
+++ b/tests/test-mkdirat.c
@@ -30,6 +30,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-mkdirat.t"
@@ -51,7 +52,7 @@
   int result;
 
   /* Clean up any trash from prior testsuite runs.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   /* Test basic mkdir functionality.  */
   result = test_mkdir (do_mkdir, false);

--- a/tests/test-mkfifo.c
+++ b/tests/test-mkfifo.c
@@ -30,6 +30,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-mkfifo.t"
@@ -40,7 +41,7 @@
 main (void)
 {
   /* Remove any leftovers from a previous partial run.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   return test_mkfifo (mkfifo, true);
 }

--- a/tests/test-mkfifoat.c
+++ b/tests/test-mkfifoat.c
@@ -32,6 +32,7 @@
 #include <string.h>
 #include <unistd.h>
 
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-mkfifoat.t"
@@ -72,7 +73,7 @@
   int result;
 
   /* Remove any leftovers from a previous partial run.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   /* Basic tests.  */
   result = test_mkfifo (do_mkfifoat, true);

--- a/tests/test-mknod.c
+++ b/tests/test-mknod.c
@@ -30,6 +30,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-mknod.t"
@@ -47,7 +48,7 @@
 main (void)
 {
   /* Remove any leftovers from a previous partial run.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   /* We can only portably test creation of fifos.  Anything else
      requires root privileges and knowledge of device numbers.  */

--- a/tests/test-readlink.c
+++ b/tests/test-readlink.c
@@ -31,6 +31,7 @@
 #include <string.h>
 #include <sys/stat.h>
 
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-readlink.t"
@@ -41,7 +42,7 @@
 main (void)
 {
   /* Remove any leftovers from a previous partial run.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   return test_readlink (readlink, true);
 }

--- a/tests/test-remove.c
+++ b/tests/test-remove.c
@@ -30,6 +30,7 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-remove.t"
@@ -38,7 +39,7 @@
 main (void)
 {
   /* Remove any leftovers from a previous partial run.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   /* Setup.  */
   ASSERT (mkdir (BASE "dir", 0700) == 0);

--- a/tests/test-rename.c
+++ b/tests/test-rename.c
@@ -29,6 +29,7 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-rename.t"
@@ -39,7 +40,7 @@
 main (void)
 {
   /* Remove any garbage left from previous partial runs.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   return test_rename (rename, true);
 }

--- a/tests/test-renameat.c
+++ b/tests/test-renameat.c
@@ -32,6 +32,7 @@
 
 #include "filenamecat.h"
 #include "xgetcwd.h"
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-renameat.t"
@@ -57,7 +58,7 @@
   int result;
 
   /* Clean up any trash from prior testsuite runs.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   /* Test basic rename functionality, using current directory.  */
   result = test_rename (do_rename, false);

--- a/tests/test-rmdir.c
+++ b/tests/test-rmdir.c
@@ -30,6 +30,7 @@
 #include <stdlib.h>
 #include <sys/stat.h>
 
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-rmdir.t"
@@ -40,7 +41,7 @@
 main (void)
 {
   /* Remove any leftovers from a previous partial run.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   return test_rmdir_func (rmdir, true);
 }

--- a/tests/test-symlink.c
+++ b/tests/test-symlink.c
@@ -30,6 +30,7 @@
 #include <stdlib.h>
 #include <sys/stat.h>
 
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-symlink.t"
@@ -40,7 +41,7 @@
 main (void)
 {
   /* Remove any leftovers from a previous partial run.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   return test_symlink (symlink, true);
 }

--- a/tests/test-symlinkat.c
+++ b/tests/test-symlinkat.c
@@ -32,6 +32,7 @@
 #include <string.h>
 #include <sys/stat.h>
 
+#include "ignore-value.h"
 #include "macros.h"
 
 #ifndef HAVE_SYMLINK
@@ -64,7 +65,7 @@
   int result;
 
   /* Remove any leftovers from a previous partial run.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   /* Perform same checks as counterpart functions.  */
   result = test_readlink (do_readlink, false);

--- a/tests/test-unlink.c
+++ b/tests/test-unlink.c
@@ -32,6 +32,7 @@
 #include <sys/stat.h>
 
 #include "unlinkdir.h"
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-unlink.t"
@@ -42,7 +43,7 @@
 main (void)
 {
   /* Remove any leftovers from a previous partial run.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   return test_unlink_func (unlink, true);
 }

--- a/tests/test-unlinkat.c
+++ b/tests/test-unlinkat.c
@@ -31,6 +31,7 @@
 #include <sys/stat.h>
 
 #include "unlinkdir.h"
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-unlinkat.t"
@@ -62,7 +63,7 @@
   int result2;
 
   /* Remove any leftovers from a previous partial run.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   result1 = test_rmdir_func (rmdirat, false);
   result2 = test_unlink_func (unlinker, false);

--- a/tests/test-utimens.c
+++ b/tests/test-utimens.c
@@ -24,6 +24,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-utimens.t"
@@ -66,7 +67,7 @@
   int result3; /* Skip because of no lutimens support.  */
 
   /* Clean up any trash from prior testsuite runs.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   result1 = test_utimens (utimens, true);
   ASSERT (test_utimens (do_fdutimens, false) == result1);

--- a/tests/test-utimensat.c
+++ b/tests/test-utimensat.c
@@ -35,6 +35,7 @@
 #include "stat-time.h"
 #include "timespec.h"
 #include "utimecmp.h"
+#include "ignore-value.h"
 #include "macros.h"
 
 #define BASE "test-utimensat.t"
@@ -66,7 +67,7 @@
   int fd;
 
   /* Clean up any trash from prior testsuite runs.  */
-  system ("rm -rf " BASE "*");
+  ignore_value (system ("rm -rf " BASE "*"));
 
   /* Basic tests.  */
   result1 = test_utimens (do_utimensat, true);