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CSSC uses a gets in a couple of places.  For security reasons, modern gnulib
does not allow this.  This patch allows it again.
--- CSSC-1.3.0/gl/lib/stdio.in.h	2010-05-15 00:15:35.000000000 +0200
+++ CSSC-1.3.0/gl/lib/stdio.in.h	2014-02-03 21:27:10.000000000 +0100
@@ -135,12 +135,6 @@
                  "use gnulib module fflush for portable POSIX compliance");
 #endif
 
-/* It is very rare that the developer ever has full control of stdin,
-   so any use of gets warrants an unconditional warning.  Assume it is
-   always declared, since it is required by C89.  */
-#undef gets
-_GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");
-
 #if @GNULIB_FOPEN@
 # if @REPLACE_FOPEN@
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
='2018-11-20 01:42:43 +0100'>2018-11-20.gitignore: Re-add 'authenticate' script....Marius Bakke 2018-06-14Remove 'guix-register' and its traces....Ludovic Courtès 2018-06-12.gitignore: Add doc/stamp-[0-9].Ludovic Courtès 2018-04-19gnu: doc: Allow documentation to be translated....Julien Lepiller 2018-02-13.gitignore: Add guix-daemon SELinux policy....Efraim Flashner 2017-05-13.gitignore: Ignore Emacs auto-save files....ng0 2017-05-08build: Add doc/guix.html to .gitignore....Clément Lassieur 2017-05-04build: Use Gnulib's 'git-version-gen'....Ludovic Courtès 2017-02-27.gitignore: Remove stale entries....Alex Kost 2017-02-10build: Add build-aux/ar-lib to .gitignore....Clément Lassieur 2017-01-13etc: Support indentation of whole files....Ludovic Courtès 2017-01-12etc: Add 'indent-package.el' script....Ludovic Courtès 2016-11-24Add system start-up files for "guix publish"....Hartmut Goebel 2016-11-16daemon: Add "builtin:download" derivation builder....Ludovic Courtès