e.g from log: gcc -DPACKAGE=\"mpack\" -DVERSION=\"1.6\" -DHAVE_STRCHR=1 -DHAVE_STRCASECMP=1 -DHAVE_GETOPT=1 -I. -I. -march=native -O2 -g0 -c part.c
Fixed by re-creating the stone age configure script. + 01 Jan 2012; Sebastian Pipping <sping@gentoo.org> mpack-1.6-r2.ebuild: + Run autoreconf, use emake (bug #396715, bug #396717) +