Commit 36969de6 authored by Gerd Moellmann's avatar Gerd Moellmann
Browse files

<making srcdir absolute>: Unset CDPATH in case $PWD

contains a relative path.  Protect against unusable values of
$PWD.
parent aa5b8e15
......@@ -99,17 +99,17 @@ AC_ARG_WITH(xim,
[ --without-xim don't use X11 XIM])
#### Make srcdir absolute, if it isn't already. It's important to
#### avoid running the path through pwd unnecessary, since pwd can
#### avoid running the path through pwd unnecessarily, since pwd can
#### give you automounter prefixes, which can go away. We do all this
#### so Emacs can find its files when run uninstalled.
## Make sure CDPATH doesn't affect cd (in case PWD is relative).
unset CDPATH
case "${srcdir}" in
/* ) ;;
. )
## We may be able to use the $PWD environment variable to make this
## absolute. But sometimes PWD is inaccurate.
## Make sure CDPATH doesn't affect cd (in case PWD is relative).
unset CDPATH
if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`" ;
if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".${PWD}" ;
then
srcdir="$PWD"
else
......
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