Created attachment 896115 [details] build.log and emerge --info Does NOT fail on little-endian. subprocess.CalledProcessError: Command '['compare', '-metric', 'AE', '-alpha', 'off', '/var/tmp/portage/media-gfx/img2pdf-0.5.1/temp/pytest-of-portage/pytest-0/popen-gw4/normal16_png0/normal16.png', '/var/tmp/portage/media-gfx/img2pdf-0.5.1/temp/pytest-of-portage/pytest-0/popen-gw4/png_rgb160/gs-1.tiff', 'null:']' returned non-zero exit status 1.