Hello,

when reinstalling from scratch the current core-updates branch and trying 
to build hello, there is a problem with libsigsegv; the last lines of 
output are:

make[1]: Leaving directory `/tmp/nix-build-
libsigsegv-2.10.drv-0/libsigsegv-2.10'
phase `install' succeeded after 0 seconds
starting phase `patch-shebangs'
phase `patch-shebangs' succeeded after 0 seconds
starting phase `strip'
stripping binaries in "/nix/store/m9hlgg7lymg671n1r38n2sigxpp7rr3x-
libsigsegv-2.10-lib/lib" with flags ("--strip-debug")
strip:/nix/store/m9hlgg7lymg671n1r38n2sigxpp7rr3x-libsigsegv-2.10-
lib/lib/libsigsegv.la: File format not recognized
phase `strip' succeeded after 0 seconds
builder for `/nix/store/35m3y7rnqg1sylsvsnkfvc2bh6yr48fq-
libsigsegv-2.10.drv' failed to produce output path 
`/nix/store/3rzprcbjnb4ncbsrkp04ccakfwyn849c-libsigsegv-2.10'
@ build-failed /nix/store/35m3y7rnqg1sylsvsnkfvc2bh6yr48fq-
libsigsegv-2.10.drv /nix/store/3rzprcbjnb4ncbsrkp04ccakfwyn849c-
libsigsegv-2.10 1 builder for `/nix/store/35m3y7rnqg1sylsvsnkfvc2bh6yr48fq-
libsigsegv-2.10.drv' failed to produce output path 
`/nix/store/3rzprcbjnb4ncbsrkp04ccakfwyn849c-libsigsegv-2.10'

Andreas