You receive this bug because this package does not respect my system's AR ( x86_64-pc-linux-gnu-ar - /usr/bin/x86_64-pc-linux-gnu-ar ) and calls directly ar - /usr/bin/ar The possible solutions to fix this issue are: 1)Fix the buildsystem, if you can 2)inherit toolchain-funcs and use tc-export AR 3)inherit toolchain-funcs and use emake AR="$(tc-getAR)" ar cru libgnu.a progname.o version-etc.o xalloc-die.o xstrndup.o xvasprintf.o xasprintf.o asnprintf.o basename.o dirname.o exitfail.o printf-args.o printf-parse.o stripslash.o vasnprintf.o xmalloc.o
Build system fixed upstream: http://git.savannah.gnu.org/cgit/icoutils.git/commit/?id=83db69dec411800101aab4468084cbcf04a727e1
great. No need to backport the fix here. When you will release the new version, then close this bug as fixed.
Fixed in 0.31.0, waiting stabilization in bug #488338
0.31.0 hits stable on all arches, closing this as fixed