configure:
- replace the complex TOOLS_TO_CHECK infrastructure
with a more versatile has_or_abort function
- allows for more explicit error messages

-------- diffstat follows --------
/trunk/configure | 301 146 155 0 ++++++++++++++++++++++++++++++--------------------------------
1 file changed, 146 insertions(+), 155 deletions(-)

 reporter_name="YEM"

 reporter_url="http://ymorin.is-a-geek.org/"

 reporter_comment="Sample i586 configuration tweaked to generate code for the geode."