[Qemu-devel] Build breakage: error: "ARM_cpsr" redefined

[Christopher Covington]

Hi,

Attempting to build QEMU on aarch64, I got the following error.

===

./configure
--target-list=arm-softmmu,aarch64-softmmu,arm-linux-user,aarch64-linux-user
make
[...]
  CC    arm-linux-user/exec.o
In file included from /root/qemu/linux-user/qemu.h:16:0,
                 from /root/qemu/exec.c:42:
/root/qemu/linux-user/arm/target_syscall.h:11:0: error: "ARM_cpsr"
redefined [-Werror]
 #define ARM_cpsr uregs[16]
 ^
In file included from /usr/include/sys/user.h:25:0,
                 from /usr/include/sys/procfs.h:34,
                 from /usr/include/sys/ucontext.h:26,
                 from /usr/include/signal.h:360,
                 from /root/qemu/include/qemu/osdep.h:79,
                 from /root/qemu/exec.c:19:
/usr/include/asm/ptrace.h:64:0: note: this is the location of the
previous definition
 #define ARM_cpsr pstate
 ^
In file included from /root/qemu/linux-user/qemu.h:16:0,
                 from /root/qemu/exec.c:42:
/root/qemu/linux-user/arm/target_syscall.h:12:0: error: "ARM_pc"
redefined [-Werror]
 #define ARM_pc  uregs[15]
 ^
In file included from /usr/include/sys/user.h:25:0,
                 from /usr/include/sys/procfs.h:34,
                 from /usr/include/sys/ucontext.h:26,
                 from /usr/include/signal.h:360,
                 from /root/qemu/include/qemu/osdep.h:79,
                 from /root/qemu/exec.c:19:
/usr/include/asm/ptrace.h:65:0: note: this is the location of the
previous definition
 #define ARM_pc  pc
 ^
In file included from /root/qemu/linux-user/qemu.h:16:0,
                 from /root/qemu/exec.c:42:
/root/qemu/linux-user/arm/target_syscall.h:14:0: error: "ARM_sp"
redefined [-Werror]
 #define ARM_sp  uregs[13]
 ^
In file included from /usr/include/sys/user.h:25:0,
                 from /usr/include/sys/procfs.h:34,
                 from /usr/include/sys/ucontext.h:26,
                 from /usr/include/signal.h:360,
                 from /root/qemu/include/qemu/osdep.h:79,
                 from /root/qemu/exec.c:19:
/usr/include/asm/ptrace.h:66:0: note: this is the location of the
previous definition
 #define ARM_sp  sp
 ^
cc1: all warnings being treated as errors
make[1]: *** [exec.o] Error 1
make: *** [subdir-arm-linux-user] Error 2

===

git log
commit ed6128ebbdd7cd885d39980659dad4b5c8ae8158
Merge: 9c279be 4ade054
Author: Peter Maydell <address@hidden>
Date:   Tue Mar 1 15:54:03 2016 +0000

===

Thanks,
Christopher Covington

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