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[Bug libc/21053] [SH] Namespace pollution from sys/ucontext.h
- From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Tue, 24 Jan 2017 12:00:18 +0000
- Subject: [Bug libc/21053] [SH] Namespace pollution from sys/ucontext.h
- Auto-submitted: auto-generated
- References: <bug-21053-131@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=21053
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3e1b518550634792de13332edaab0ad722322c2b
commit 3e1b518550634792de13332edaab0ad722322c2b
Author: James Clarke <jrtc27@jrtc27.com>
Date: Tue Jan 24 09:20:06 2017 -0200
Bug 21053: sh: Reduce namespace pollution from sys/ucontext.h
The problem is basically that sys/ucontext.h is defining R0..R15
which happens to conflict with some packages like Firefox when
trying to build on SH.
The very same problem existed on arm back then [1] and it was fixed by
renaming R0..R15 to REG_R0..REG_R15. This patch imploy a similar
strategy for SH.
Checked on sh4-linux-gnu with run-built-tests=no and I also got reports
that it fixes Firefox build on Debian sh4.
* sysdeps/unix/sysv/linux/sh/sh3/ucontext_i.sym: Use new REG_R*
constants instead of the old R* ones.
* sysdeps/unix/sysv/linux/sh/sh4/ucontext_i.sym: Likewise.
* sysdeps/unix/sysv/linux/sh/sys/ucontext.h (NGPREG): Rename...
(NGREG): ... to this, to fit in with other architectures.
(gpregset_t): Use new NGREG macro.
[__USE_GNU]: Remove condition; all architectures other than tile
are unconditional.
(R*): Rename to REG_R*.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 12 ++++
sysdeps/unix/sysv/linux/sh/sh3/ucontext_i.sym | 32 ++++++------
sysdeps/unix/sysv/linux/sh/sh4/ucontext_i.sym | 32 ++++++------
sysdeps/unix/sysv/linux/sh/sys/ucontext.h | 70 ++++++++++++-------------
4 files changed, 78 insertions(+), 68 deletions(-)
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