pkg download command and patches

assets/var/gnu/libppd.md

@@ -0,0 +1,17 @@
+libppd 2.1.1
+=
+https://github.com/OpenPrinting/libppd/releases/download/2.1.1/libppd-2.1.1.tar.xz
+
+``` env *** env ***
+LTCC=/pkg/gnu/gcc/bin/gcc
+LTCXX=/pkg/gnu/gcc/bin/g++
+```
+
+``` sh *** build ***
+./autogen.sh
+./configure --prefix=$pkgpath
+make -j$(nproc)
+make install
+```
+
+