Re: avoid two GCC11 warnings

[Bruno Haible]

Hi Jim,

> Here's a first crack at the list of modules with a use of _exit, yet
> no dependency on unistd:

Oh, indeed. Yes, a few of them do need the dependency as well. Thanks.


2020-11-26  Bruno Haible  <bruno@clisp.org>

        Fix dependencies of modules that use '_exit' on native Windows.
        Reported by Jim Meyering in
        <https://lists.gnu.org/archive/html/bug-gnulib/2020-11/msg00159.html>.
        * modules/_Exit (Depends-on): Add unistd.
        * modules/closein (Depends-on): Likewise.
        * modules/closeout (Depends-on): Likewise.
        * modules/forkpty (Depends-on): Likewise.
        * modules/posix_spawn-internal (Depends-on): Likewise.
        * modules/savewd (Depends-on): Likewise.
        * modules/stat-time-tests (Depends-on): Likewise.

diff --git a/modules/_Exit b/modules/_Exit
index 179a02b..cefebdc 100644
--- a/modules/_Exit
+++ b/modules/_Exit
@@ -7,6 +7,7 @@ m4/_Exit.m4
 
 Depends-on:
 stdlib
+unistd
 
 configure.ac:
 gl_FUNC__EXIT
diff --git a/modules/closein b/modules/closein
index 6a34d83..f0c1287 100644
--- a/modules/closein
+++ b/modules/closein
@@ -10,6 +10,7 @@ closeout
 freadahead
 fflush
 stdbool
+unistd
 
 configure.ac:
 
diff --git a/modules/closeout b/modules/closeout
index e51489f..32fd923 100644
--- a/modules/closeout
+++ b/modules/closeout
@@ -12,6 +12,7 @@ error
 quotearg
 exitfail
 stdbool
+unistd
 
 configure.ac:
 
diff --git a/modules/forkpty b/modules/forkpty
index b04a4da..fdf5fe4 100644
--- a/modules/forkpty
+++ b/modules/forkpty
@@ -8,6 +8,7 @@ m4/pty.m4
 
 Depends-on:
 pty
+unistd
 openpty
 login_tty
 
diff --git a/modules/posix_spawn-internal b/modules/posix_spawn-internal
index a0b57fa..920b4c4 100644
--- a/modules/posix_spawn-internal
+++ b/modules/posix_spawn-internal
@@ -14,6 +14,7 @@ errno
 open
 sh-filename
 strchrnul
+unistd
 
 configure.ac:
 gl_POSIX_SPAWN
diff --git a/modules/savewd b/modules/savewd
index 198596e..a0ea64f 100644
--- a/modules/savewd
+++ b/modules/savewd
@@ -20,6 +20,7 @@ raise
 stdbool
 stdlib
 sys_wait
+unistd
 xalloc
 
 configure.ac:
diff --git a/modules/stat-time-tests b/modules/stat-time-tests
index c512eca..8db2369 100644
--- a/modules/stat-time-tests
+++ b/modules/stat-time-tests
@@ -7,6 +7,7 @@ Depends-on:
 intprops
 nanosleep
 time
+unistd
 
 configure.ac: