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distro: m4: Add patch to allow builds with glibc 2.16+.

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* distro/base.scm (m4): Use `m4-gets-undeclared.patch'.

* distro/patches/m4-gets-undeclared.patch: New file.
* Makefile.am (dist_patch_DATA): Add it.
This commit is contained in:
Ludovic Courtès 2012-09-01 11:52:52 +02:00
parent 6dd7787c39
commit 9dd036f35c
3 changed files with 52 additions and 3 deletions
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1
Makefile.am
View file

@ -41,6 +41,7 @@ patchdir = $(pkgdatadir)/patches
dist_patch_DATA = \
distro/patches/binutils-ld-new-dtags.patch \
distro/patches/guile-1.8-cpp-4.5.patch \
distro/patches/m4-gets-undeclared.patch \
distro/patches/m4-readlink-EINVAL.patch \
distro/patches/m4-s_isdir.patch \
distro/patches/make-impure-dirs.patch \

9
distro/base.scm
View file

@ -389,14 +389,17 @@ (define-public m4
"i686-sunos")))
#:patches (list (assoc-ref %build-inputs "patch/s_isdir")
(assoc-ref %build-inputs
"patch/readlink-EINVAL"))))
"patch/readlink-EINVAL")
(assoc-ref %build-inputs "patch/gets"))))
((system cross-system)
`(#:patches (list (assoc-ref %build-inputs "patch/s_isdir")
(assoc-ref %build-inputs
"patch/readlink-EINVAL"))))))
"patch/readlink-EINVAL")
(assoc-ref %build-inputs "patch/gets"))))))
(inputs `(("patch/s_isdir" ,(search-patch "m4-s_isdir.patch"))
("patch/readlink-EINVAL"
,(search-patch "m4-readlink-EINVAL.patch"))))
,(search-patch "m4-readlink-EINVAL.patch"))
("patch/gets" ,(search-patch "m4-gets-undeclared.patch"))))
(description "GNU M4, a macro processor")
(long-description
"GNU M4 is an implementation of the traditional Unix macro processor. It

45
distro/patches/m4-gets-undeclared.patch Normal file
View file

@ -0,0 +1,45 @@
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)