pipewire: backport fix for build with glibc-2.43

Fixes:
../sources/pipewire-1.6.0/spa/plugins/support/logger.c:121:5: error: assigning to 'char *' from 'const char *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
  121 |                 s = strrchr(file, '/');
      |                   ^ ~~~~~~~~~~~~~~~~~~
1 error generated.

Signed-off-by: Martin Jansa <martin.jansa@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

2 files changed, 92 insertions, 2 deletions

diff --git a/meta-multimedia/recipes-multimedia/pipewire/pipewire/0001-treewide-fix-some-Wdiscarded-qualifiers.patch b/meta-multimedia/recipes-multimedia/pipewire/pipewire/0001-treewide-fix-some-Wdiscarded-qualifiers.patch
new file mode 100644
index 0000000000..e8e677910b
--- /dev/null
+++ b/meta-multimedia/recipes-multimedia/pipewire/pipewire/0001-treewide-fix-some-Wdiscarded-qualifiers.patch
@@ -0,0 +1,89 @@
+From fa64e2873682180eae5ce5bd02298fa6739cf005 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Barnab=C3=A1s=20P=C5=91cze?= <pobrn@protonmail.com>
+Date: Thu, 19 Feb 2026 20:56:36 +0100
+Subject: [PATCH] treewide: fix some `-Wdiscarded-qualifiers`
+
+Newer glibc versions have made certain `str*()` functions into macros
+that ensure that the const-ness of the argument is propagated to the
+return type.
+
+Signed-off-by: Martin Jansa <martin.jansa@gmail.com>
+Upstream-Status: Backport [https://github.com/PipeWire/pipewire/commit/e46bfe67b60458e444ee2495209144b49e97d2f1]
+---
+ pipewire-jack/src/pipewire-jack.c | 2 +-
+ spa/plugins/bluez5/bluez5-dbus.c  | 7 ++-----
+ spa/plugins/support/logger.c      | 4 ++--
+ 3 files changed, 5 insertions(+), 8 deletions(-)
+
+diff --git a/pipewire-jack/src/pipewire-jack.c b/pipewire-jack/src/pipewire-jack.c
+index 1bef74283..73627a67e 100644
+--- a/pipewire-jack/src/pipewire-jack.c
++++ b/pipewire-jack/src/pipewire-jack.c
+@@ -5318,7 +5318,7 @@ int jack_set_freewheel(jack_client_t* client, int onoff)
+        pw_thread_loop_lock(c->context.loop);
+        str = pw_properties_get(c->props, PW_KEY_NODE_GROUP);
+        if (str != NULL) {
+-               char *p = strstr(str, ",pipewire.freewheel");
++               const char *p = strstr(str, ",pipewire.freewheel");
+                if (p == NULL)
+                        p = strstr(str, "pipewire.freewheel");
+                if (p == NULL && onoff)
+diff --git a/spa/plugins/bluez5/bluez5-dbus.c b/spa/plugins/bluez5/bluez5-dbus.c
+index 21a5e53de..7dfe45911 100644
+--- a/spa/plugins/bluez5/bluez5-dbus.c
++++ b/spa/plugins/bluez5/bluez5-dbus.c
+@@ -720,14 +720,12 @@ static const char *bap_features_get_uuid(struct bap_features *feat, size_t i)
+ /** Get feature name at \a i, or NULL if uuid doesn't match */
+ static const char *bap_features_get_name(struct bap_features *feat, size_t i, const char *uuid)
+ {
+-       char *pos;
+-
+        if (i >= feat->dict.n_items)
+                return NULL;
+        if (!spa_streq(feat->dict.items[i].value, uuid))
+                return NULL;
+ 
+-       pos = strchr(feat->dict.items[i].key, ':');
++       const char *pos = strchr(feat->dict.items[i].key, ':');
+        if (!pos)
+                return NULL;
+        return pos + 1;
+@@ -1336,7 +1334,6 @@ static struct spa_bt_adapter *adapter_find(struct spa_bt_monitor *monitor, const
+ static int parse_modalias(const char *modalias, uint16_t *source, uint16_t *vendor,
+                uint16_t *product, uint16_t *version)
+ {
+-       char *pos;
+        unsigned int src, i, j, k;
+ 
+        if (spa_strstartswith(modalias, "bluetooth:"))
+@@ -1346,7 +1343,7 @@ static int parse_modalias(const char *modalias, uint16_t *source, uint16_t *vend
+        else
+                return -EINVAL;
+ 
+-       pos = strchr(modalias, ':');
++       const char *pos = strchr(modalias, ':');
+        if (pos == NULL)
+                return -EINVAL;
+ 
+diff --git a/spa/plugins/support/logger.c b/spa/plugins/support/logger.c
+index c6e6ca4b8..6ea5f31b5 100644
+--- a/spa/plugins/support/logger.c
++++ b/spa/plugins/support/logger.c
+@@ -73,7 +73,7 @@ impl_log_logtv(void *object,
+        char timestamp[18] = {0};
+        char topicstr[32] = {0};
+        char filename[64] = {0};
+-       char location[1000 + RESERVED_LENGTH], *p, *s;
++       char location[1000 + RESERVED_LENGTH], *p;
+        static const char * const levels[] = { "-", "E", "W", "I", "D", "T", "*T*" };
+        const char *prefix = "", *suffix = "";
+        int size, len;
+@@ -118,7 +118,7 @@ impl_log_logtv(void *object,
+ 
+ 
+        if (impl->line && line != 0) {
+-               s = strrchr(file, '/');
++               const char *s = strrchr(file, '/');
+                spa_scnprintf(filename, sizeof(filename), "[%16.16s:%5i %s()]",
+                        s ? s + 1 : file, line, func);
+        }
diff --git a/meta-multimedia/recipes-multimedia/pipewire/pipewire_1.6.0.bb b/meta-multimedia/recipes-multimedia/pipewire/pipewire_1.6.0.bb
index dea1a169d0..444b3bd633 100644
--- a/meta-multimedia/recipes-multimedia/pipewire/pipewire_1.6.0.bb
+++ b/meta-multimedia/recipes-multimedia/pipewire/pipewire_1.6.0.bb
@@ -14,8 +14,9 @@ DEPENDS = "dbus ncurses"
 
 SRCREV = "700cea78dbe7564131d51b21a7795e2567ee048a"
 BRANCH = "${@oe.utils.trim_version('${PV}', 2)}"
-SRC_URI = "git://gitlab.freedesktop.org/pipewire/pipewire.git;branch=${BRANCH};protocol=https;tag=${PV}"
-
+SRC_URI = "git://gitlab.freedesktop.org/pipewire/pipewire.git;branch=${BRANCH};protocol=https;tag=${PV} \
+    file://0001-treewide-fix-some-Wdiscarded-qualifiers.patch \
+"
 
 inherit meson pkgconfig systemd gettext useradd