Re: [PATCH] build: Fix errors in "make dist"

[Leo Famulari]

On Tue, Feb 21, 2017 at 09:52:21PM +0100, John Darrington wrote:
> "guix environment guix" will create an environment with everything you need.

I had tried `guix environment --pure guix`, and got this:

  GEN      gen-ChangeLog
./build-aux/gitlog-to-changelog: line 1: exec: perl: not found
  GEN      gen-AUTHORS
In execvp of git: No such file or directory
Backtrace:
In ice-9/boot-9.scm:
 160: 10 [catch #t #<catch-closure 1964e40> ...]
In unknown file:
   ?: 9 [apply-smob/1 #<catch-closure 1964e40>]
In ice-9/boot-9.scm:
  66: 8 [call-with-prompt prompt0 ...]
In ice-9/eval.scm:
 432: 7 [eval # #]
In ice-9/boot-9.scm:
2404: 6 [save-module-excursion #<procedure 1984980 at ice-9/boot-9.scm:4051:3 
()>]
4058: 5 [#<procedure 1984980 at ice-9/boot-9.scm:4051:3 ()>]
In build-aux/generate-authors.scm:
 115: 4 [#<procedure 1a54ba0 ()>]
  80: 3 [generate-authors-file "guix-0.12.0/AUTHORS"]
In unknown file:
   ?: 2 [find #<procedure 1f0e5c0 at build-aux/generate-authors.scm:80:10 
(tag)> #]
In build-aux/generate-authors.scm:
  82: 1 [#<procedure 1f0e5c0 at build-aux/generate-authors.scm:80:10 (tag)> ""]
In unknown file:
   ?: 0 [substring "" 1 #<undefined>]

ERROR: In procedure substring:
ERROR: Value out of range 0 to 0: 1
make[2]: *** [Makefile:5039: gen-AUTHORS] Error 1
make[2]: Leaving directory '/home/leo/work/guix'
make[1]: *** [Makefile:4341: distdir] Error 2
make[1]: Leaving directory '/home/leo/work/guix'
make: *** [Makefile:4439: dist] Error 2

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