pkg install, add link if package no have scripts

assets/var/gnu/nss.md

@@ -11,6 +11,37 @@ cp -aL dist/*/lib/* lib/nss
 cp -aL dist/public/nss/* include/nss/
 ```
 
+``` sh *** config ***
+mkdir -p lib/pkgconfig
+cat > lib/pkgconfig/nss.pc <<'EOF'
+prefix=/pkg/gnu/nss
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib/nss
+includedir=${prefix}/include/nss
+
+Name: NSS
+Description: Network Security Services
+Version: 3.126
+Requires: nspr >= 4.8
+Libs: -L${libdir} -lssl3 -lsmime3 -lnss3 -lnssutil3
+Cflags: -I${includedir}
+EOF
+
+cat > lib/pkgconfig/nss-util.pc <<'EOF'
+prefix=/pkg/gnu/nss
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib/nss
+includedir=${prefix}/include/nss
+
+Name: NSS-Util
+Description: Network Security Services Utility Library
+Version: 3.126
+Requires: nspr >= 4.8
+Libs: -L${libdir} -lnssutil3
+Cflags: -I${includedir}
+EOF
+```
+
 ``` cfg *** build deps ***
 nspr
 ```