[snip] >>> Configuring source in /var/tmp/portage/media-gfx/optipng-0.7.5/work/optipng-0.7.5 ... Checking for clang... Checking for system libpng... Checking for system zlib... >>> Source configured. >>> Compiling source in /var/tmp/portage/media-gfx/optipng-0.7.5/work/optipng-0.7.5 ... make -j3 -C src/optipng make: Entering directory '/var/tmp/portage/media-gfx/optipng-0.7.5/work/optipng-0.7.5/src/optipng' cd ../opngreduc && \ make -f @OPNGREDUC_MK@ libopngreduc.a && \ cd ../optipng cd ../gifread && \ make -f Makefile libgifread.a && \ cd ../optipng cd ../pnmio && \ make -f Makefile libpnmio.a && \ cd ../optipng make[1]: Entering directory '/var/tmp/portage/media-gfx/optipng-0.7.5/work/optipng-0.7.5/src/opngreduc' make[1]: @OPNGREDUC_MK@: No such file or directory [/snip] configure script in optipng package uses regular expressions containing '[A-Z]' ranges which fails under et_EE locale. One solution would be prefixing the sed commands with 'LC_ALL=C'.
Interesting, thanks for bringing this to our attention! Give it some time to sync and try again. please. Your sync is fresh enough, if there's a file files/optipng-0.7.5-estonian.patch . So should be fixed now. Please re-open if needed. + 16 Sep 2014; Sebastian Pipping <sping@gentoo.org> optipng-0.7.5.ebuild, + +files/optipng-0.7.5-estonian.patch: + Fix compilation for et_EE locale (bug #522446) +