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This patch is needed to allow builds with newer versions of
the GNU libc (2.16+).
The upstream fix was:
commit 66712c23388e93e5c518ebc8515140fa0c807348
Author: Eric Blake <eblake@redhat.com>
Date: Thu Mar 29 13:30:41 2012 -0600
stdio: don't assume gets any more
Gnulib intentionally does not have a gets module, and now that C11
and glibc have dropped it, we should be more proactive about warning
any user on a platform that still has a declaration of this dangerous
interface.
* m4/stdio_h.m4 (gl_STDIO_H, gl_STDIO_H_DEFAULTS): Drop gets
support.
* modules/stdio (Makefile.am): Likewise.
* lib/stdio-read.c (gets): Likewise.
* tests/test-stdio-c++.cc: Likewise.
* m4/warn-on-use.m4 (gl_WARN_ON_USE_PREPARE): Fix comment.
* lib/stdio.in.h (gets): Make warning occur in more places.
* doc/posix-functions/gets.texi (gets): Update documentation.
Reported by Christer Solskogen.
Signed-off-by: Eric Blake <eblake@redhat.com>
This patch just gets rid of the offending part.
--- m4-1.4.16/lib/stdio.in.h.orig 2012-09-01 01:05:36.000000000 +0200
+++ m4-1.4.16/lib/stdio.in.h 2012-09-01 01:05:42.000000000 +0200
@@ -158,12 +158,6 @@ _GL_WARN_ON_USE (fflush, "fflush is not
"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)
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