--- /var/abs/community/libpng12/PKGBUILD	2017-01-24 17:29:47.433364780 -0600
+++ PKGBUILD	2017-01-24 21:44:55.635487678 -0600
@@ -45,7 +45,7 @@
   cd libpng-${pkgver}
 
   make DESTDIR="${pkgdir}" install
-  rm -rf "${pkgdir}"/usr/{bin,include,lib/{libpng.{a,so},pkgconfig},share}
+  rm -rf "${pkgdir}"/usr/{bin,include,lib/{libpng.{a,so},pkgconfig/libpng.pc},share}
 
   install -Dm 644 LICENSE -t "${pkgdir}"/usr/share/licenses/libpng12/
 }