diff --git a/batmand/Makefile b/batmand/Makefile
index 90eba50d4..7ed39e2a7 100644
--- a/batmand/Makefile
+++ b/batmand/Makefile
@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=batmand
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://git.open-mesh.org/batmand.git
@@ -37,7 +37,6 @@ B.A.T.M.A.N. layer 3 routing daemon
 endef
 
 MAKE_FLAGS += \
-	EXTRA_CFLAGS='-DDEBUG_MALLOC -DMEMORY_USAGE -DPROFILE_DATA -DREVISION_VERSION=\"\ rv$(PKG_SOURCE_VERSION)\" -D_GNU_SOURCE' \
 	REVISION="$(PKG_SOURCE_VERSION)" \
 	CC="$(TARGET_CC)" \
 	UNAME="Linux" \
diff --git a/batmand/patches/100-allocate-include-string-h.patch b/batmand/patches/100-allocate-include-string-h.patch
new file mode 100644
index 000000000..052bebecf
--- /dev/null
+++ b/batmand/patches/100-allocate-include-string-h.patch
@@ -0,0 +1,27 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Josef Schlehofer <pepe.schlehofer@gmail.com>
+Date: Wed, 6 Aug 2026 12:00:00 +0200
+Subject: [PATCH] allocate: include string.h for memcpy
+
+memcpy() is used in debugRealloc() without including string.h. Since
+GCC 14 treats implicit function declarations as a hard error, the
+build fails:
+
+    allocate.c:349:17: error: implicit declaration of function
+    'memcpy' [-Wimplicit-function-declaration]
+
+Signed-off-by: Josef Schlehofer <pepe.schlehofer@gmail.com>
+---
+ allocate.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+--- a/allocate.c
++++ b/allocate.c
+@@ -23,6 +23,7 @@
+ 
+ #include <stdio.h>
+ #include <stdlib.h>
++#include <string.h>
+ 
+ #include "os.h"
+ #include "allocate.h"
diff --git a/batmand/test-version.sh b/batmand/test-version.sh
new file mode 100644
index 000000000..9644775f5
--- /dev/null
+++ b/batmand/test-version.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# shellcheck shell=busybox
+
+case "$PKG_NAME" in
+batmand)
+	# The version of batmand is derived from the source date and git
+	# hash, which the binary does not report. Check that the binary
+	# starts and prints its version banner instead.
+	batmand -v 2>&1 | grep -F "B.A.T.M.A.N."
+	;;
+
+*)
+	echo "Untested package: $PKG_NAME" >&2
+	exit 1
+	;;
+esac
diff --git a/vis/Makefile b/vis/Makefile
index ff1d608cc..88cc4eb3f 100644
--- a/vis/Makefile
+++ b/vis/Makefile
@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=vis
-PKG_RELEASE:=10
+PKG_RELEASE:=11
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_DATE:=2013-04-07
@@ -37,8 +37,7 @@ visualization server for B.A.T.M.A.N. layer 3
 endef
 
 MAKE_FLAGS += \
-	EXTRA_CFLAGS='-DDEBUG_MALLOC -DMEMORY_USAGE -DPROFILE_DATA -DREVISION_VERSION=\"\ rv$(PKG_REV)\" -D_GNU_SOURCE' \
-	REVISION="$(PKG_REV)" \
+	REVISION="$(PKG_SOURCE_VERSION)" \
 	CC="$(TARGET_CC)" \
 	vis
 
diff --git a/vis/test-version.sh b/vis/test-version.sh
new file mode 100644
index 000000000..e80a1963a
--- /dev/null
+++ b/vis/test-version.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# shellcheck shell=busybox
+
+case "$PKG_NAME" in
+vis)
+	# The version of vis is derived from the source date and git
+	# hash, which the binary does not report. Check that the binary
+	# starts and prints its version banner instead.
+	vis -v 2>&1 | grep -F "B.A.T.M.A.N."
+	;;
+
+*)
+	echo "Untested package: $PKG_NAME" >&2
+	exit 1
+	;;
+esac