games-engines/openmw: add patch for glibc-2.34

Package-Manager: Portage-3.0.28, Repoman-3.0.3
Signed-off-by: Stefan Strogin <steils@gentoo.org>

games-engines/openmw/files/openmw-0.47.0-sigstksz.patch

@@ -0,0 +1,42 @@
+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
+
+Upstream-Status: Submitted
+[https://gitlab.com/OpenMW/openmw/-/merge_requests/1239]
+---
+ 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
+

games-engines/openmw/openmw-0.47.0-r1.ebuild

@@ -63,6 +63,7 @@ BDEPEND="
 
 PATCHES=(
 	"${FILESDIR}"/openmw-0.47.0-mygui-license.patch
+	"${FILESDIR}"/openmw-0.47.0-sigstksz.patch
 )
 
 src_prepare() {