In a clean build with 1.17, autom4te.cache/traces.0 says:
...
But in a build with 1.17.90 that has previously been configured with 1.17:
m4_if([$1], [1.17], [],Ross, do you have a $HOME/.config.site or other config.site file that might somehow be causing the different results? Seems unlikely, but we just had another case where config.site was the culprit, so might as well ask. --thanks, karl.
