This is on core-updates: http://hydra.gnu.org/build/196225/nixlog/4/tail-reload
--8<---------------cut here---------------start------------->8--- mips64el-linux-gnuabi64-gcc -mabi=64 -nostdlib -nostartfiles -r -o /tmp/nix-build-glibc-cross-mips64el-linux-gnuabi64-2.20.drv-0/build/libc_pic.os \ -Wl,-d -Wl,--whole-archive /tmp/nix-build-glibc-cross-mips64el-linux-gnuabi64-2.20.drv-0/build/libc_pic.a -o /tmp/nix-build-glibc-cross-mips64el-linux-gnuabi64-2.20.drv-0/build/libc_pic.os mips64el-linux-gnuabi64-gcc -mabi=64 -nostdlib -nostartfiles -r -o /tmp/nix-build-glibc-cross-mips64el-linux-gnuabi64-2.20.drv-0/build/elf/librtld.map.o '-Wl,-(' /tmp/nix-build-glibc-cross-mips64el-linux-gnuabi64-2.20.drv-0/build/elf/dl-allobjs.os /tmp/nix-build-glibc-cross-mips64el-linux-gnuabi64-2.20.drv-0/build/libc_pic.a -lgcc '-Wl,-)' -Wl,-Map,/tmp/nix-build-glibc-cross-mips64el-linux-gnuabi64-2.20.drv-0/build/elf/librtld.mapT /tmp/nix-build-glibc-cross-mips64el-linux-gnuabi64-2.20.drv-0/build/libc_pic.a: error adding symbols: Archive has no index; run ranlib to add one collect2: error: ld returned 1 exit status Makefile:307: recipe for target '/tmp/nix-build-glibc-cross-mips64el-linux-gnuabi64-2.20.drv-0/build/elf/librtld.map' failed make[2]: *** [/tmp/nix-build-glibc-cross-mips64el-linux-gnuabi64-2.20.drv-0/build/elf/librtld.map] Error 1 make[2]: *** Waiting for unfinished jobs.... make[2]: Leaving directory '/tmp/nix-build-glibc-cross-mips64el-linux-gnuabi64-2.20.drv-0/glibc-2.20/elf' Makefile:213: recipe for target 'elf/subdir_lib' failed make[1]: *** [elf/subdir_lib] Error 2 make[1]: Leaving directory '/tmp/nix-build-glibc-cross-mips64el-linux-gnuabi64-2.20.drv-0/glibc-2.20' Makefile:9: recipe for target 'all' failed make: *** [all] Error 2 phase `build' failed after 280 seconds builder for `/gnu/store/xgsf19y65nlsfdgblskxqh60wr5jma60-glibc-cross-mips64el-linux-gnuabi64-2.20.drv' failed with exit code 1 --8<---------------cut here---------------end--------------->8--- Mark