Comment 5 for bug 1008136

What do you mean about custom kernel headers?

The kernel headers are from the debian package "linux-libc-dev"

gcc -I/usr/local/src/qemu/qemu-1.1.0/slirp -I. -I/usr/local/src/qemu/qemu-1.1.0 -I/usr/local/src/qemu/qemu-1.1.0/fpu -Werror -fPIE -DPIE -m32 -D_FORTIFY_SOURCE=2 -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes -Wredundant-decls -Wall -Wundef -Wwrite-strings -Wmissing-prototypes -fno-strict-aliasing -fstack-protector-all -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 -I/usr/include/libpng12 -pthread -I/usr/include/glib-2.0 -I/usr/lib/i386-linux-gnu/glib-2.0/include -I/usr/local/src/qemu/qemu-1.1.0/include -MMD -MP -MT fsdev/virtfs-proxy-helper.o -MF fsdev/virtfs-proxy-helper.d -O2 -g -c -o fsdev/virtfs-proxy-helper.o fsdev/virtfs-proxy-helper.c
In file included from /usr/include/i386-linux-gnu/bits/sigcontext.h:28:0,
                 from /usr/include/signal.h:339,
                 from ./qemu-common.h:38,
                 from fsdev/virtfs-proxy-helper.c:23:
/usr/include/i386-linux-gnu/asm/sigcontext.h:28:2: error: unknown type name '__u64'
/usr/include/i386-linux-gnu/asm/sigcontext.h:191:2: error: unknown type name '__u64'
/usr/include/i386-linux-gnu/asm/sigcontext.h:192:2: error: unknown type name '__u64'
/usr/include/i386-linux-gnu/asm/sigcontext.h:193:2: error: unknown type name '__u64'
make: *** [fsdev/virtfs-proxy-helper.o] Error 1
flecha:/usr/local/src/qemu/qemu-1.1.0#