Yes. sed in /bin/sed. The problem came from cygwin's sh think "/bin/sed -b" is a single file, instead of sed with -b argument. On Wed, 12 Dec 2018, maya%netbsd.org@localhost wrote:
I suspect this is coming out of pkgsrc/mk/tools/tools.Cygwin.mk:TOOLS_PLATFORM.gsed?= /bin/sed pkgsrc/mk/tools/tools.Cygwin.mk:TOOLS_PLATFORM.sed?= /bin/sed -b Do you have sed? where is it?