[Buildroot] [PATCH RESEND v5 3/5] package/virglrenderer: Fix build with glibc 2.43

[Joseph Kogut <joseph.kogut@gmail.com>]

Add an upstream patch to fix the build with glibc 2.43, not present in a
stable release yet.

Signed-off-by: Joseph Kogut <joseph.kogut@gmail.com>
---
 .../0001-fix-build-with-glibc-2.43.patch           | 39 ++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/package/virglrenderer/0001-fix-build-with-glibc-2.43.patch b/package/virglrenderer/0001-fix-build-with-glibc-2.43.patch
new file mode 100644
index 0000000000..fda1d9b218
--- /dev/null
+++ b/package/virglrenderer/0001-fix-build-with-glibc-2.43.patch
@@ -0,0 +1,39 @@
+From 986b5fc57b07c06b5e0b3a3694d06898ebc80163 Mon Sep 17 00:00:00 2001
+From: Maximilian Hofmann <maxi@maxiicodes.dev>
+Date: Thu, 26 Feb 2026 23:28:58 +0100
+Subject: [PATCH] fix: build with glibc 2.43
+
+Several glibc functions now return a const pointer if the input is a
+const pointer and a non-const pointer if the input is non-const, causing
+a build failure.
+
+Fix this by declaring the output pointers as const if they are never
+modified, and for the lone failure where the output is modified, instead
+make the input non-const.
+
+Signed-off-by: Maximilian Hofmann <maxi@maxiicodes.dev>
+Part-of: <https://gitlab.freedesktop.org/virgl/virglrenderer/-/merge_requests/1599>
+
+Upstream: https://gitlab.freedesktop.org/virgl/virglrenderer/-/commit/986b5fc57b07c06b5e0b3a3694d06898ebc80163
+
+Signed-off-by: Joseph Kogut <joseph.kogut@gmail.com>
+---
+ src/gallium/auxiliary/tgsi/tgsi_text.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/gallium/auxiliary/tgsi/tgsi_text.c b/src/gallium/auxiliary/tgsi/tgsi_text.c
+index db7d7b95..7e37bf79 100644
+--- a/src/gallium/auxiliary/tgsi/tgsi_text.c
++++ b/src/gallium/auxiliary/tgsi/tgsi_text.c
+@@ -84,7 +84,7 @@ streq_nocase_uprcase(const char *str1,
+ static inline bool skip_n_chars(const char **pcur,
+                                    int n)
+ {
+-   char* str = memchr(*pcur, '\0', n);
++   const char* str = memchr(*pcur, '\0', n);
+    if (unlikely(str)) {
+       *pcur = str;
+       return false;
+-- 
+2.53.0
+

-- 
2.54.0

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