revno: 895 make ignores configure "--with-libsasl2-prefix" if "--prefix" set

[Bradley Giesbrecht]

AudioZeus:libmemcached brad$ config/autorun.sh
config/autorun.sh: running `/opt/local/bin/glibtoolize --automake --copy --force'
config/autorun.sh: running `/opt/local/bin/aclocal-1.11 -I m4'
config/autorun.sh: running `/opt/local/bin/autoheader'
config/autorun.sh: running `/opt/local/bin/automake-1.11 --add-missing --copy --force --foreign'
configure.ac:14: installing `config/compile'
configure.ac:14: installing `config/config.guess'
configure.ac:14: installing `config/config.sub'
configure.ac:14: installing `config/install-sh'
configure.ac:14: installing `config/missing'
Makefile.am: installing `config/depcomp'
config/autorun.sh: running `/opt/local/bin/autoconf'
---
Configured with the following tools:
  * libtoolize (GNU libtool) 2.2.10
  * aclocal (GNU automake) 1.11.1
  * autoheader (GNU Autoconf) 2.67
  * automake (GNU automake) 1.11.1
  * autoconf (GNU Autoconf) 2.67
---
AudioZeus:libmemcached brad$ ./configure --prefix=/opt/local --with-libsasl2-prefix=/usr 2>&1 | grep sasl
checking for libsasl... no
checking for libsasl2... yes
checking how to link with libsasl2... /usr/lib/libsasl2.dylib
AudioZeus:libmemcached brad$ make 2>&1 | grep /opt/local/include/sasl/sasl.h
/opt/local/include/sasl/sasl.h:349: warning: function declaration isn't a prototype
AudioZeus:libmemcached brad$