On Tue, May 02, 2017 at 08:52:21PM +0200, Ævar Arnfjörð Bjarmason wrote: > > * Due to the bizarro existing semantics of the configure script noted > upthread if you have a git build script that does --with-libpcre & you > have libpcre1 installed, it'll link to it, but now since > --with-libpcre defaults to libpcre2 it'll silently skip linking to it > if you don't have it installed. > Case in point: The Archlinux git-git aur package[0] (community maintained, latest git version) does run ./configure without --with-libpcre, but requests it from make with USE_LIBPCRE=1. I noticed when trying git grep -P which then failed. [0]: https://aur.archlinux.org/cgit/aur.git/tree/PKGBUILD?h=git-git