explicit error on make dist, since we no longer support it

git-svn-id: svn://tug.org/texlive/trunk/Build/source@71119 c570f23f-e606-0410-a88d-b1316a301751

ChangeLog

@@ -1,3 +1,9 @@
+2024-04-29  Karl Berry  <karl@freefriends.org>
+
+	* Makefile.am (distdir): override default dist generation,
+	since we don't try to keep make dist working any more.
+	https://tug.org/pipermail/tlbuild/2024q2/005547.html
+
 2023-12-31  Karl Berry  <karl@freefriends.org>
 
 	* reautoconf: add -f / --force option to pass to autoreconf.

Makefile.am

@@ -103,3 +103,16 @@ texlinks:
 .PHONY: triptrap
 triptrap:
 	cd texk && $(MAKE) $(AM_MAKEFLAGS) $@
+
+# We aren't trying to keep make dist working. Sorry.
+distdir:
+	@echo "Sorry, we don't try to keep make dist working in TeX Live."
+	@echo
+	@echo "You can retrieve the development and/or released sources"
+	@echo "  in various ways: https://tug.org/texlive/svn"
+	@echo
+	@echo "For info on how to integrate the built binaries into a runnable"
+	@echo "  system, see: https://tug.org/texlive/build.html#deploy"
+	@echo
+	@echo "The result of make install is not usable by itself."
+	@false

Makefile.in

@@ -669,8 +669,6 @@ cscopelist-am: $(am__tagged_files)
 distclean-tags:
 	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
 	-rm -f cscope.out cscope.in.out cscope.po.out cscope.files
-distdir: $(BUILT_SOURCES)
-	$(MAKE) $(AM_MAKEFLAGS) distdir-am
 
 distdir-am: $(DISTFILES)
 	$(am__remove_distdir)
@@ -1084,6 +1082,19 @@ texlinks:
 triptrap:
 	cd texk && $(MAKE) $(AM_MAKEFLAGS) $@
 
+# We aren't trying to keep make dist working. Sorry.
+distdir:
+	@echo "Sorry, we don't try to keep make dist working in TeX Live."
+	@echo
+	@echo "You can retrieve the development and/or released sources"
+	@echo "  in various ways: https://tug.org/texlive/svn"
+	@echo
+	@echo "For info on how to integrate the built binaries into a runnable"
+	@echo "  system, see: https://tug.org/texlive/build.html#deploy"
+	@echo
+	@echo "The result of make install is not usable by itself."
+	@false
+
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
 .NOEXPORT: