[Even after registering and logging in, I could not figure out how to post a comment to this SR on savannah. If there's an entry in the FAQ or the cookbook, it's not easily found.]
> URL: > <https://savannah.gnu.org/support/?110448> > Summary: AC_CONFIG_AUX_DIRS fails with Windows paths ... > Originator Email: sylv...@haskus.fr ... > Details: > > Updating to autoconf 2.70 broke the build of GHC (Haskell > compiler) on Windows using msys2. I've tracked this to commit > 35a1c64600894ecc3b06b6c4b273952db7c8fc83 ... > This commit changed the way the auxiliary dirs are managed. They > were put in a space separated list and now they are put in a > $PATH_SEPARATOR separated list. ... > But $PATH_SEPARATOR=":" Intuitively, I would expect PATH_SEPARATOR to be ";" on Windows (unless you're using CygWin).