dbus-1.4 branch not buildable

[Simon McVittie]

On Thu, 10 Mar 2011 at 03:51:45 +0100, Lennart Poettering wrote:
> 2b5959882a403cddba754b37b58bdc49bff01f90 makes it impossible to build
> anything, and even reverting that doesn't fix the messed up configure.ac
> script, as there's brokeness such as this in the output when running configure:
> 
> ../configure: line 16950: COMPILER_COVERAGE: command not found
> ../configure: line 16951: COMPILER_OPTIMISATIONS: command not found

I think all of this comes from not passing "-I m4" to aclocal in autogen.sh,
probably. I'll get a branch together.

(It works if you autogen'd in maintainer mode before those changes went in.)

> btw, after having a look at configure.ac, the use of  AS_AC_EXPAND is bad.

Pre-existing bug, but yes.

    S