[Bug gdb/18957] New: Error: static declaration of setns follows non-static declaration

["dcollinsn at gmail dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=18957

            Bug ID: 18957
           Summary: Error: static declaration of setns follows non-static
                    declaration
           Product: gdb
           Version: unknown
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: dcollinsn at gmail dot com
  Target Milestone: ---

Greetings,

While compiling GDB 7.10 on the following system:

dcollins@****~$ uname -a
Linux **** 2.6.32-5-686 #1 SMP Tue May 13 16:33:32 UTC 2014 i686 GNU/Linux

With toolchain versions:
GCC 5.2.0
glibc 2.22
binutils 2.25

by executing the following commands:
./Configure && make

I received the following error:

gcc -g -O2   -I. -I. -I./common -I./config
-DLOCALEDIR="\"/usr/local/share/locale\"" -DHAVE_CONFIG_H -I./../include/opcode
-I./../opcodes/.. -I./../readline/.. -I./../zlib -I../bfd -I./../bfd
-I./../include -I../libdecnumber -I./../libdecnumber  -I./gnulib/import
-Ibuild-gnulib/import    -Wall -Wpointer-arith -Wno-unused -Wunused-value
-Wunused-function -Wno-switch -Wno-char-subscripts -Wempty-body -Wpointer-sign
-Wmissing-prototypes -Wdeclaration-after-statement -Wmissing-parameter-type
-Wold-style-declaration -Wold-style-definition -Wformat-nonliteral  -c -o
linux-namespaces.o -MT linux-namespaces.o -MMD -MP -MF
.deps/linux-namespaces.Tpo ./nat/linux-namespaces.c
./nat/linux-namespaces.c:39:1: error: static declaration of ‘setns’ follows
non-static declaration
 setns (int fd, int nstype)
 ^
In file included from /usr/include/sched.h:43:0,
                 from ./nat/linux-namespaces.c:30:
/usr/include/bits/sched.h:91:12: note: previous declaration of ‘setns’ was here
 extern int setns (int __fd, int __nstype) __THROW;
            ^
make[2]: *** [linux-namespaces.o] Error 1
make[2]: Leaving directory `/home/dcollins/gdb-7.10/gdb'
make[1]: *** [all-gdb] Error 2
make[1]: Leaving directory `/home/dcollins/gdb-7.10'
make: *** [all] Error 2

Modifying line 38 of gdb/nat/linux-namespaces.c to remove the static
declaration allowed compilation to continue without error. GDB Configure should
determine whether the preexisting setns is declared with or without static and
should follow that convention to prevent this compile error.

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>From gdb-prs-return-18580-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Sep 14 08:28:22 2015
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From: "qiyao at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/18947] [aarch64]Step into shared library is very slow.
Date: Mon, 14 Sep 2015 08:28:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id\x18947

Yao Qi <qiyao at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |qiyao at gcc dot gnu.org
         Resolution|---                         |FIXED
   Target Milestone|---                         |8.0

--- Comment #3 from Yao Qi <qiyao at gcc dot gnu.org> ---
Patch is pushed in.  Close it.

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