commit https://github.com/vim/vim/commit/136f29a91dbafce424e31a4af133155f997e8f78 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 27 20:14:15 2016 +0100 patch 7.4.1437 Problem: Old system doesn't have isinf() and NAN. (Ben Fritz) Solution: Adjust #ifdefs. Detect isnan() and isinf() functions with configure. Use a replacement when missing. (Kazunobu Kuriyama)

#! /bin/sh
#
# pathdef.sh: adjust pathdef.c for auto/link.sed, if it exists
#
if test -s auto/link.sed; then
  cp auto/pathdef.c auto/pathdef.tmp
  sed -f auto/link.sed <auto/pathdef.tmp >auto/pathdef.c
  rm -f auto/pathdef.tmp
fi

# vim:set sw=2 et: