Disable -Werror=nonnull on getcwd(0, 4096) because GCC incorrectly warns that
the second argument should be NULL with recent glibc.  See:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96832
https://sourceware.org/bugzilla/show_bug.cgi?id=26545

diff --git a/nss/coreconf/nsinstall/nsinstall.c b/nss/coreconf/nsinstall/nsinstall.c
--- a/nss/coreconf/nsinstall/nsinstall.c
+++ b/nss/coreconf/nsinstall/nsinstall.c
@@ -236,14 +236,20 @@ main(int argc, char **argv)
 	return 0;
 
     if (!cwd) {
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wnonnull"
 	cwd = GETCWD(0, PATH_MAX);
+#pragma GCC diagnostic pop
 	if (!cwd)
 	    fail("could not get CWD");
     }
 
     /* make sure we can get into todir. */
     xchdir(todir);
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wnonnull"
     todir = GETCWD(0, PATH_MAX);
+#pragma GCC diagnostic pop
     if (!todir)
 	fail("could not get CWD in todir");
     tdlen = strlen(todir);
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<tr><td><span title='2023-07-09 07:31:36 +0200'>2023-07-09</span></td><td><a href='/guix/commit/gnu/packages/maven.scm?id=1f42ba3533b1183062c5e97bd8fbe704d88b4312'>Revert "gnu: maven-model-builder@3.0: Fix build."</a><span class='msg-avail'>...<span class='msg-tooltip'>This reverts commit d54faf155aeeeb2aceb5cc19f141c2b8d0e0720a.

Signed-off-by: Liliana Marie Prikler &lt;liliana.prikler@gmail.com&gt;
</span></span></td><td>Bruno Victal</td></tr>
<tr><td><span title='2023-07-09 07:31:36 +0200'>2023-07-09</span></td><td><a href='/guix/commit/gnu/packages/maven.scm?id=57c4491e5714a89edd8a359b15865f61347795f6'>Revert "gnu: maven-settings-builder: Fix build."</a><span class='msg-avail'>...<span class='msg-tooltip'>This reverts commit c0a0cec87ff01ba3ee6f9baaafdb92b7ecc94489.

Signed-off-by: Liliana Marie Prikler &lt;liliana.prikler@gmail.com&gt;
</span></span></td><td>Bruno Victal</td></tr>
<tr><td><span title='2023-07-09 07:31:35 +0200'>2023-07-09</span></td><td><a href='/guix/commit/gnu/packages/maven.scm?id=8c619cf924f2920a690dcb4849e9c9ad57f3a74b'>Revert "gnu: maven-model-builder: Fix build."</a><span class='msg-avail'>...<span class='msg-tooltip'>This reverts commit 04f9ac0cfaf86f9e590e0fdc62855d9c87245104.

Signed-off-by: Liliana Marie Prikler &lt;liliana.prikler@gmail.com&gt;
</span></span></td><td>Bruno Victal</td></tr>
<tr><td><span title='2023-07-09 07:31:35 +0200'>2023-07-09</span></td><td><a href='/guix/commit/gnu/packages/maven.scm?id=0df4466276f2b2a77f3a0ea24047088df67110bd'>Revert "gnu: maven-resolver-provider: Fix build."</a><span class='msg-avail'>...<span class='msg-tooltip'>This reverts commit 3d2ce30f6b4b505c9680369d118c2aa9f7bacff4.

Signed-off-by: Liliana Marie Prikler &lt;liliana.prikler@gmail.com&gt;
</span></span></td><td>Bruno Victal</td></tr>
<tr><td><span title='2023-07-09 07:31:35 +0200'>2023-07-09</span></td><td><a href='/guix/commit/gnu/packages/maven.scm?id=4f2e9ab060e5e3af0faf7ea9b395c2fa38cdbdda'>Revert "gnu: maven-core-bootstrap: Fix build."</a><span class='msg-avail'>...<span class='msg-tooltip'>This reverts commit 1a93ff9a8b0c64ccb0e365f4e5c199e0ac8b9de6.

Signed-off-by: Liliana Marie Prikler &lt;liliana.prikler@gmail.com&gt;
</span></span></td><td>Bruno Victal</td></tr>
<tr><td><span title='2023-07-09 07:31:35 +0200'>2023-07-09</span></td><td><a href='/guix/commit/gnu/packages/maven.scm?id=d6f773571d7292229b8d29e38ab50696eccbb64a'>Revert "gnu: maven-embedder: Fix build."</a><span class='msg-avail'>...<span class='msg-tooltip'>This reverts commit 87ba11eff1b7a1784c94c897d468ba28822b0609.

Signed-off-by: Liliana Marie Prikler &lt;liliana.prikler@gmail.com&gt;
</span></span></td><td>Bruno Victal</td></tr>
<tr><td><span title='2023-06-18 09:06:08 +0200'>2023-06-18</span></td><td><a href='/guix/commit/gnu/packages/maven.scm?id=d54faf155aeeeb2aceb5cc19f141c2b8d0e0720a'>gnu: maven-model-builder@3.0: Fix build.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/maven.scm (maven-3.0-model-builder)[#:phases]: Add
‘add-components-shebang’.
</span></span></td><td>Liliana Marie Prikler</td></tr>