From 98a7d90ee258ceef9c70b0b2955d0458ec46f048 Mon Sep 17 00:00:00 2001
From: elsid <elsid.mail@gmail.com>
Date: Fri, 24 Sep 2021 19:40:29 +0200
Subject: [PATCH] Assume SIGSTKSZ is not a constant

SIGSTKSZ is not defined as constant since glibc 2.34:
https://sourceware.org/git/?p=glibc.git;a=commit;h=6c57d320484988e87e446e2e60ce42816bf51d53
---
 components/crashcatcher/crashcatcher.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/components/crashcatcher/crashcatcher.cpp b/components/crashcatcher/crashcatcher.cpp
index 86571e1e3a..c828e1ca81 100644
--- a/components/crashcatcher/crashcatcher.cpp
+++ b/components/crashcatcher/crashcatcher.cpp
@@ -56,8 +56,6 @@ static const char exec_err[] = "!!! Failed to exec debug process\n";

 static char argv0[PATH_MAX];

-static char altstack[SIGSTKSZ];
-

 static struct {
     int signum;
@@ -475,9 +473,10 @@ int crashCatcherInstallHandlers(int argc, char **argv, int num_signals, int *sig

     /* Set an alternate signal stack so SIGSEGVs caused by stack overflows
      * still run */
+    static char* altstack = new char [SIGSTKSZ];
     altss.ss_sp = altstack;
     altss.ss_flags = 0;
-    altss.ss_size = sizeof(altstack);
+    altss.ss_size = SIGSTKSZ;
     sigaltstack(&altss, nullptr);

     memset(&sa, 0, sizeof(sa));
--
GitLab

</a><a href='/guix/diff/README?id=dde158c631443b19b59de7dc9ef92d11b55bd792'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/README'>
<input type='hidden' name='id' value='dde158c631443b19b59de7dc9ef92d11b55bd792'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=dde158c631443b19b59de7dc9ef92d11b55bd792'>root</a>/<a href='/guix/log/README?id=dde158c631443b19b59de7dc9ef92d11b55bd792'>README</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/README?id=dde158c631443b19b59de7dc9ef92d11b55bd792&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-05-20 01:58:04 +0200'>2021-05-20</span></td><td><a href='/guix/commit/README?id=c0087d33705f53cc3619a1a43a33602aaecc3a8b'>The #guix channel is hosted by Libera Chat.</a><span class='msg-avail'>...<span class='msg-tooltip'>* README (Contact): Update network name.
* ROADMAP: Likewise.
* doc/contributing.texi (Contributing): Likewise.
* doc/guix.texi (After System Installation): Likewise.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-10-23 12:57:20 -0400'>2020-10-23</span></td><td><a href='/guix/commit/README?id=b5aaa3a4fb985d21e21e2a67f48b52f13ebd4728'>doc: Update README.</a><span class='msg-avail'>...<span class='msg-tooltip'>* README (Installation): Do not mention installing Guix from Git anymore.
(Building from Git): Add section.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2020-10-22 22:47:54 -0400'>2020-10-22</span></td><td><a href='/guix/commit/README?id=503d2bfde08f9bf97bbf430516d2f19faedd4319'>README: Refer to the manual for building from Git.</a><span class='msg-avail'>...<span class='msg-tooltip'>* README (Installing Guix from Guix): Remove section.
(Installation): For installing from Git, refer to the "Building from Git"
section of the manual and suggest using './pre-inst-env guix pull' rather than
'make install' for installing Guix.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2020-06-02 18:55:53 +0200'>2020-06-02</span></td><td><a href='/guix/commit/README?id=c75a80189fc19f6ff8b4c82d1d1801be6763b6d2'>doc: Update README to refer to the manual.</a><span class='msg-avail'>...<span class='msg-tooltip'>* README (Requirements): Refer to the manual.
(Installation): Update URL of the manual.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-11-09 23:04:14 +0100'>2019-11-09</span></td><td><a href='/guix/commit/README?id=0758a70cc008171f31c848128deca9803536fe60'>doc: Mention value /var to localstatedir option.</a><span class='msg-avail'>...<span class='msg-tooltip'>* README (Installing Guix from Guix): Mention value /var to localstatedir option.
* doc/contributing.texi (Building from Git): Likewise.
* doc/guix.texi (Requirements): Likewise.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>zimoun</td></tr>