On 7/8/20 10:53 AM, Alex Bennée wrote: > The previous code was brittle and missed cases such as the mipn32 > variants which for some reason has the 64 bit syscalls. This leads to > a number of binary targets having deps lines like: > > all.clang-sanitizer/mipsn32el-linux-user/linux-user/signal.d > 140: /home/alex/lsrc/qemu.git/linux-user/mips64/syscall_nr.h \ > 455:/home/alex/lsrc/qemu.git/linux-user/mips64/syscall_nr.h: > > all.clang-sanitizer/mipsn32el-linux-user/linux-user/syscall.d > 146: /home/alex/lsrc/qemu.git/linux-user/mips64/syscall_nr.h \ > 485:/home/alex/lsrc/qemu.git/linux-user/mips64/syscall_nr.h: > > which in turn would trigger the re-generation of syscall_nr.h in the > source tree (thanks to generic %/syscall_nr.h rules). The previous > code attempts to clean it out but misses edge cases but fails. > > After spending a day trying to understand how this was happening I'm > unconvinced that there are not other such breakages possible with this > "caching". As we add more auto-generated code to the build it is likely > to trip up again. Apply a hammer to the problem. > > Fixes: 91e5998f18 (which fixes 5f29856b852d and 4d6a835dea47) > Signed-off-by: Alex Bennée <alex.ben...@linaro.org> > --- > configure | 15 ++++++--------- > 1 file changed, 6 insertions(+), 9 deletions(-)
Reviewed-by: Richard Henderson <richard.hender...@linaro.org> r~
