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According to Chris Pickett on 2/2/2007 10:58 PM:
Hi,
I'm not subscribed, please reply-all.
I installed m4-1.4.8 locally. However, in order for auto(re)conf find
it, I have to do `export M4=$HOME/$MY_PREFIX/bin/m4'
Otherwise, with an empty $M4, I get this error from /usr/bin/m4:
/usr/bin/m4: `changeword' from frozen file not found in builtin table!
Sounds like you build $HOME/$MY_PREFIX/bin/m4 with changeword support, but
that your installed version of autoconf was built at a time when only an
older m4 version at /usr/bin/m4 was available. The location of M4 is
determined when you run ./configure on the autoconf tarball; if you want
to use your newer m4 installation, but don't have root privileges to
install it in the same places as where the existing autoconf is already
looking, then I would suggest also configuring autoconf and installing it
alongside m4 in $HOME/$MY_PREFIX/bin.
Is this the right behaviour for some reason I don't know? Can the $PATH
be checked for m4 first?
The PATH check occurs at ./configure time for autoconf, not at runtime
during autom4te, as a runtime check would noticeably slow down autoconf
and automake.