musl - PowerPC bits/user.h defining struct pt

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Message-ID: <5866070D.8080604@adelielinux.org>
Date: Fri, 30 Dec 2016 01:04:45 -0600
From: "A. Wilcox" <awilfox@...lielinux.org>
To: musl@...ts.openwall.com
Subject: PowerPC bits/user.h defining struct pt_regs

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While trying to compile packages on PowerPC that use the ptrace kernel
interface - including gdb, psmisc, strace, systemtap, and other
packages - we are always receiving this error:

make[1]: Leaving directory
'/usr/src/sys-process/psmisc-22.21-r3/work/psmisc-22.21'
cd .. && make  am--refresh
cd .. && make  am--refresh
gcc -DHAVE_CONFIG_H -I. -I..    -Wall
- -DLOCALEDIR=\"/usr/share/locale\"   -DPPC    -O2 -mlong-double-64
- -ggdb -mcpu=G3 -fno-omit-frame-pointer -c -o peekfd.o peekfd.c
In file included from /usr/include/sys/user.h:11:0,
                 from peekfd.c:33:
/usr/include/bits/user.h:1:8: error: redefinition of 'struct pt_regs'
 struct pt_regs {
        ^
In file included from peekfd.c:30:0:
/usr/include/asm/ptrace.h:31:8: note: originally defined here
 struct pt_regs {
        ^

Removing the struct definition from bits/user.h fixes this error, but
I'm not entirely sure when pt_regs should be visible.

Any help solving this issue, especially before 1.1.16 is cut, would be
greatly helpful in getting a viable PowerPC environment for user
enjoyment. :)

Thanks so much and happy holiday,

- --arw

- -- 
A. Wilcox (awilfox)
Project Lead, Adélie Linux
http://adelielinux.org
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