Restore Makefile productions needed for CI pipeline.

diff --git a/Makefile b/Makefile
index 961332bb38d9b4b71249813c95658130026e6d37..ac251298be9843196965f29e53f2b27af27aa012 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -58,11 +58,18 @@ check: advent
 .adoc:
        asciidoc $<
 
+html: index.html advent.html history.html hints.html
+
 # README.adoc exists because that filename is magic on GitLab.
 DOCS=COPYING NEWS README.adoc TODO advent.adoc history.adoc hints.adoc advent.6
 
+# Can't use GNU tar's --transform, needs to build under Alpine Linux.
+# This is a requirement for testing dist in GitLab's CI pipeline
 advent-$(VERS).tar.gz: $(SOURCES) $(DOCS)
-       tar --transform='s:^:advent-$(VERS)/:' --show-transformed-names -cvzf advent-$(VERS).tar.gz $(SOURCES) $(DOCS)
+       @ls $(SOURCES) $(DOCS) | sed s:^:advent-$(VERS)/: >MANIFEST
+       @(ln -s . advent-$(VERS))
+       (tar -T MANIFEST -czvf advent-$(VERS).tar.gz)
+       @(rm advent-$(VERS))
 
 release: advent-$(VERS).tar.gz advent.html history.html hints.html
        shipper version=$(VERS) | sh -e -x