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| author | Paul Eggert <eggert@cs.ucla.edu> | 2022-10-28 15:19:16 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2022-10-28 15:21:45 -0700 |
| commit | 3cc9b414aa91f0bf83ae0b48bf4d8fe0aecf71dc (patch) | |
| tree | 5bbc2845c1feea934bb853def1dfadb15bc0ab00 | |
| parent | d081ac3ec80d551c3fdd3d74ade368acce3fc4a8 (diff) | |
| download | autoconf-3cc9b414aa91f0bf83ae0b48bf4d8fe0aecf71dc.tar.gz | |
Warn about TMPDIR
* doc/autoconf.texi (Initialization Macros): Warn about
setting TMPDIR, following up on this Paul Smith remark:
https://lists.gnu.org/r/autoconf/2022-10/msg00024.html
| -rw-r--r-- | doc/autoconf.texi | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/autoconf.texi b/doc/autoconf.texi index b6d4f033..ed337fd6 100644 --- a/doc/autoconf.texi +++ b/doc/autoconf.texi @@ -14610,6 +14610,10 @@ leave the temporary directory behind. Hence it is important to use a @var{prefix} that makes it easier to determine if a leftover temporary directory from an interrupted script is safe to delete. +If you set @code{TMPDIR=$tmp} after invoking this macro, you should +reset @code{TMPDIR} before deleting the created directory, to avoid +breaking commands that rely on @code{$TMPDIR}. + The use of the output variable @samp{$tmp} rather than something in the @samp{as_} namespace is historical; it has the unfortunate consequence that reusing this otherwise common name for any other purpose inside |