[PATCH v2] build: Automake fixes (in particular re-enabling 'gnu' strictness)

And make the package bootstrap again with Automake >= 1.14, and require Automake >= 1.12 (see below for a rationale). * Makefile.am: Add a dummy 'ChangeLog' target, so that Automake in 'gnu' strictness won't complain about a missing ChangeLog file; that file has recently switched to be autogenerat

[PATCH] build: Automake fixes (in particular re-enabling 'gnu' strictness)

And make the package bootstrap again with Automake >= 1.14, and require Automake >= 1.12 (see below for a rationale). * Makefile.am: Add a dummy 'ChangeLog' target, so that Automake in 'gnu' strictness won't complain about a missing ChangeLog file; that file has recently switched to be autogenerat