Hello, currently, configure scripts are badly detecting whether the build
is done "in place" (pwd == $srcdir). One problem (spotted in RH bugzilla)
is this:
$ PWD=`pwd`/ ./configure
In case of Bash, there we are hitting a bug (or feature? .. ksh also has
this one..):
$ cd /tmp
$ PWD=`pwd`/ sh -c pwd
/tmp/
Note the _trailing slash_. In this case, the $ac_pwd in config.status is
badly set and the comparison with $srcdir (comming from _AC_INIT_DIRCHECK,
comment "# When building in place, set srcdir=.") fails.
That is IMO low prio. But there is still problem with the situation we
have symlinked the directory from somewhere. Consider this:
$ ls /tmp -l | grep source
drwxrwxr-x. 2 praiskup praiskup 40 May 13 15:14 source
lrwxrwxrwx. 1 praiskup praiskup 6 May 13 15:15 source_link -> source
$ cd /tmp/source_link && ./configure
In this case, the detection also fails.
Would there be possible to use something like this? It would pretty
easily work-around the issue:
# When building in place, set srcdir=.
-if test "$ac_abs_confdir" = "$ac_pwd"; then
+if test "`$readlink -f $ac_abs_confdir`" = "`$readlink -f $ac_pwd`"; then
srcdir=.
fi
-------------------
Note that nasty things happen when there is the
'AC_CONFIG_LINKS(TESTFILE:TESTFILE)' construct used and the $srcdir is
badly detected.
Pavel
