It recently came to my attention that tzdb tarballs are not generated in standard POSIX ustar format, but instead use a trivially different but nonstandard format. Fix this by switching to the standard format. * Makefile (GNUTARFLAGS): Add --format=ustar. * NEWS: Document the change. --- Makefile | 3 ++- NEWS | 10 ++++++++++ 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/Makefile b/Makefile index c89c1be..fd312d9 100644 --- a/Makefile +++ b/Makefile @@ -466,7 +466,8 @@ OK_LINE= '^'$(OK_CHAR)'*$$' # Flags to give 'tar' when making a distribution. # Try to use flags appropriate for GNU tar. -GNUTARFLAGS= --numeric-owner --owner=0 --group=0 --mode=go+u,go-w --sort=name +GNUTARFLAGS= --format=ustar --numeric-owner --owner=0 --group=0 \ + --mode=go+u,go-w --sort=name TARFLAGS= `if tar $(GNUTARFLAGS) --version >/dev/null 2>&1; \ then echo $(GNUTARFLAGS); \ else :; \ diff --git a/NEWS b/NEWS index 572a161..edb9a1d 100644 --- a/NEWS +++ b/NEWS @@ -20,6 +20,16 @@ Unreleased, experimental changes reader no longer mistakenly attempts to parse a version 1 TZIf file header as a TZ string. + Changes to build procedure + + Distribution tarballs now use standard POSIX.1-1988 ustar format + instead of GNU format. Although the formats are almost identical + for these tarballs, ustar headers' magic fields contain "ustar" + instead of "ustar ", and their version fields contain "00" instead + of " ". For details about ustar format, please see + "pax - portable archive interchange", IEEE Std 1003.1-2017, + <https://pubs.opengroup.org/onlinepubs/9699919799/utilities/pax.html#tag_20_9...>. + Changes affecting documentation and commentary Rename CONTRIBUTING to CONTRIBUTING.md and use Markdown format. -- 2.32.0