https://codereview.appspot.com/551590044/diff/553640043/aclocal.m4 File aclocal.m4 (right):
https://codereview.appspot.com/551590044/diff/553640043/aclocal.m4#newcode1127 aclocal.m4:1127: # pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- can we include this rather than copy & paste? https://codereview.appspot.com/551590044/
