[Qemu-devel] error building x86_64-linux-user on i686 host

[Michael S. Tsirkin]

Building target x86_64-linux-user on a 32 bit host gives me
this error:

address@hidden x86_64-linux-user]$ cc -I/scm/qemu/tcg -I/scm/qemu/tcg/i386 
-I/scm/qemu/linux-headers -I. -I/scm/qemu -I/scm/qemu/include 
-I/scm/qemu/linux-user -Ilinux-user -Werror -fPIE -DPIE -m32 -D_GNU_SOURCE 
-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes 
-Wredundant-decls -Wall -Wundef -Wwrite-strings -Wmissing-prototypes 
-fno-strict-aliasing  -Wendif-labels -Wmissing-include-dirs -Wempty-body 
-Wnested-externs -Wformat-security -Wformat-y2k -Winit-self 
-Wignored-qualifiers -Wold-style-declaration -Wold-style-definition 
-Wtype-limits -fstack-protector-all -I/usr/include/p11-kit-1     
-I/usr/include/libpng15   -I/usr/include/libusb-1.0     -I/usr/include/pixman-1 
    -I../linux-headers -I.. -I/scm/qemu/target-i386 -DNEED_CPU_H 
-I/scm/qemu/include -I/scm/qemu/linux-user/i386 -I/scm/qemu/linux-user -pthread 
-I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include   -MMD -MP -MT 
linux-user/syscall.o -MF linux-user/syscall.d -O2 -D_FORTIFY_SOURCE=2 -g  -c -o 
linux-user/syscall.o /scm/qemu/linux-user/syscall.c
/scm/qemu/linux-user/syscall.c: In function ‘do_arch_prctl’:
/scm/qemu/linux-user/syscall.c:4283:10: error: ‘TARGET_ARCH_SET_GS’ undeclared 
(first use in this function)
/scm/qemu/linux-user/syscall.c:4283:10: note: each undeclared identifier is 
reported only once for each function it appears in
/scm/qemu/linux-user/syscall.c:4284:10: error: ‘TARGET_ARCH_SET_FS’ undeclared 
(first use in this function)
/scm/qemu/linux-user/syscall.c:4292:10: error: ‘TARGET_ARCH_GET_GS’ undeclared 
(first use in this function)
/scm/qemu/linux-user/syscall.c:4293:10: error: ‘TARGET_ARCH_GET_FS’ undeclared 
(first use in this function)
/scm/qemu/linux-user/syscall.c: At top level:
/scm/qemu/linux-user/syscall.c:4276:17: error: ‘do_arch_prctl’ defined but not 
used [-Werror=unused-function]
cc1: all warnings being treated as errors

Should x86_64-linux-user be disabled if host is 32 bit?

-- 
MST