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bug#20713: [PATCH] m4: handle id failures when checking ustar support
From: |
Mike Frysinger |
Subject: |
bug#20713: [PATCH] m4: handle id failures when checking ustar support |
Date: |
Thu, 24 Feb 2022 22:23:34 -0500 |
Fixes automake bug https://bugs.gnu.org/20713.
If `id` fails, display a specific warning message to the user.
* m4/tar.m4: Check $am_uid & $am_gid if they're unknown.
---
m4/tar.m4 | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/m4/tar.m4 b/m4/tar.m4
index 7e3df4f98e1c..8f4d2f21394b 100644
--- a/m4/tar.m4
+++ b/m4/tar.m4
@@ -46,15 +46,19 @@ m4_if([$1], [v7],
am_uid=`id -u || echo unknown`
am_gid=`id -g || echo unknown`
AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
- if test $am_uid -le $am_max_uid; then
- AC_MSG_RESULT([yes])
+ if test x$am_uid = xunknown; then
+ AC_MSG_WARN([ancient id detected; assuming current UID is ok, but
dist-ustar might not work])
+ elif test $am_uid -le $am_max_uid; then
+ AC_MSG_RESULT([yes])
else
- AC_MSG_RESULT([no])
- _am_tools=none
+ AC_MSG_RESULT([no])
+ _am_tools=none
fi
AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
- if test $am_gid -le $am_max_gid; then
- AC_MSG_RESULT([yes])
+ if test x$gm_gid = xunknown; then
+ AC_MSG_WARN([ancient id detected; assuming current GID is ok, but
dist-ustar might not work])
+ elif test $am_gid -le $am_max_gid; then
+ AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
_am_tools=none
--
2.34.1
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