Build: Use shared webp/zstd/zlib

scripts/build-dependencies.sh

@@ -2,7 +2,12 @@
 
 set -e
 
-INSTALLDIR="$HOME/deps"
+if [ "$#" -ne 1 ]; then
+    echo "Syntax: $0 <output directory>"
+    exit 1
+fi
+
+INSTALLDIR="$1"
 NPROCS="$(getconf _NPROCESSORS_ONLN)"
 SDL=SDL2-2.30.0
 QT=6.6.1
@@ -45,7 +50,7 @@ cd ..
 echo "Building libbacktrace..."
 unzip "$LIBBACKTRACE.zip"
 cd "libbacktrace-$LIBBACKTRACE"
-./configure --prefix="$HOME/deps"
+./configure --prefix="$INSTALLDIR"
 make
 make install
 cd ..