* gnu/packages/base.scm (gcc-4.7): Remove trailing newline when patching
'LIB_SPEC'.
;; RUNPATH to GCC even when `libgcc_s' is not NEEDED.
;; There's not much that can be done to avoid it, though.
(format #f "#define LIB_SPEC \"-L~a/lib %{!static:-rpath=~a/lib \
-%{!static-libgcc:-rpath=~a/lib64 -rpath=~a/lib}} \" ~a~%"
+%{!static-libgcc:-rpath=~a/lib64 -rpath=~a/lib}} \" ~a"
libc libc out out suffix))
(("#define STARTFILE_SPEC.*$" line)
(format #f "#define STANDARD_STARTFILE_PREFIX_1 \"~a/lib\"