Also install development files

variants/default-install-shared.sh

@@ -5,7 +5,14 @@ package_variant() {
     OUT="$2"
 
     mkdir -p "$OUT"/bin
-    cp "$IN"/bin/* "$OUT"/bin
+    cp "$IN"/bin/*.{exe,dll} "$OUT"/bin
+
+    mkdir -p "$OUT"/lib
+    cp "$IN"/bin/*.lib "$OUT"/lib
+    cp "$IN"/lib/*.{def,dll.a} "$OUT"/lib
+
+    mkdir -p "$OUT"/include
+    cp -r "$IN"/include/* "$OUT"/include
 
     mkdir -p "$OUT/doc"
     cp -r "$IN"/share/doc/ffmpeg/* "$OUT"/doc