From 9dd036f35c9a825c30aecc9eb3a3f6266481cfe3 Mon Sep 17 00:00:00 2001 From: Ludovic Courtès Date: Sat, 1 Sep 2012 11:52:52 +0200 Subject: distro: m4: Add patch to allow builds with glibc 2.16+. * distro/base.scm (m4): Use `m4-gets-undeclared.patch'. * distro/patches/m4-gets-undeclared.patch: New file. * Makefile.am (dist_patch_DATA): Add it. --- Makefile.am | 1 + distro/base.scm | 9 ++++--- distro/patches/m4-gets-undeclared.patch | 45 +++++++++++++++++++++++++++++++++ 3 files changed, 52 insertions(+), 3 deletions(-) create mode 100644 distro/patches/m4-gets-undeclared.patch diff --git a/Makefile.am b/Makefile.am index fb22bef2a7..bdcb90a701 100644 --- a/Makefile.am +++ b/Makefile.am @@ -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 \ diff --git a/distro/base.scm b/distro/base.scm index 949cb571b1..c3a6846581 100644 --- a/distro/base.scm +++ b/distro/base.scm @@ -389,14 +389,17 @@ are expected to exist on every operating system.") "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 diff --git a/distro/patches/m4-gets-undeclared.patch b/distro/patches/m4-gets-undeclared.patch new file mode 100644 index 0000000000..d28f0cdcc4 --- /dev/null +++ b/distro/patches/m4-gets-undeclared.patch @@ -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 + 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 + +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) -- cgit v1.2.3