Emerging (22 of 31) media-libs/libpng-1.2.26-r1 to / ... >>> Unpacking source... >>> Unpacking libpng-1.2.26.tar.lzma to /var/tmp/portage/media-libs/libpng-1.2.26-r1/work unpack libpng-1.2.26.tar.lzma: file format not recognized. Ignoring. /usr/portage/media-libs/libpng/libpng-1.2.26-r1.ebuild: line 22: cd: /var/tmp/portage/media-libs/libpng-1.2.26-r1/work/libpng-1.2.26: No such file or directory I don`t install lzma. But it need for unpack this package. Who lzma isn`t in DEPEND? Now: DEPEND="${RDEPEND} app-arch/lzma-utils" But this is good:DEPEND="${RDEPEND} app-arch/lzma app-arch/lzma-utils"
You forgot to include emerge --info. Also, you forgot to update your system (or indeed world) target or you would have had app-arch/lzma-utils on board by now.