* top/GNUmakefile (TAR_OPTIONS): Add --sort=name. Suggested by
Tzvetelin Katchov <katchov@gnu.org>.
* DEPENDENCIES: Mention tar 1.28 dependency.
+2022-09-06 Simon Josefsson <simon@josefsson.org>
+
+ gnumakefile: Improve tarball reproducibility.
+ * top/GNUmakefile (TAR_OPTIONS): Add --sort=name. Suggested by
+ Tzvetelin Katchov <katchov@gnu.org>.
+ * DEPENDENCIES: Mention tar 1.28 dependency.
+
2022-09-05 Bruno Haible <bruno@clisp.org>
pthread-h: Fix compilation error on mingw with --enable-threads=windows.
https://www.gnu.org/software/libtool/
+ Download:
https://ftp.gnu.org/gnu/libtool/
+
+* GNU tar 1.28 or newer.
+ + Recommended.
+ Needed if you use the 'gnumakefile' module, which sets TAR_OPTIONS
+ to --sort=names (added in version 1.28) in GNUmakefile for 'make dist'.
+ + Homepage:
+ https://www.gnu.org/software/tar/
+ + Download:
+ https://ftp.gnu.org/gnu/tar/
ifneq ($(_gl-Makefile),)
# Make tar archive easier to reproduce.
-export TAR_OPTIONS = --owner=0 --group=0 --numeric-owner
+export TAR_OPTIONS = --owner=0 --group=0 --numeric-owner --sort=name
# Allow the user to add to this in the Makefile.
ALL_RECURSIVE_TARGETS =