Em Thu, Mar 21, 2019 at 04:13:53PM +0000, Daniel Thompson escreveu: > Currently the set of available syscalls is generated from the > target compilers default <asm-generic/unistd.h> > (i.e. /usr/include/asm-generic/unistd.h on a self-hosted system).
It shouldn't, Kim? > The numeric values are then generated by the host compiler using > tools/include/uapi/asm/unistd.h . > > This leads to some nasty version skew problems (including failed perf > builds if you are running a bleeding edge distro and want to build an > older version of perf for testing). > > Let's make the target compiler use the local headers too. > > Signed-off-by: Daniel Thompson <[email protected]> > --- > tools/perf/arch/arm64/entry/syscalls/mksyscalltbl | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/tools/perf/arch/arm64/entry/syscalls/mksyscalltbl > b/tools/perf/arch/arm64/entry/syscalls/mksyscalltbl > index c88fd32563eb..1aca6a839e4f 100755 > --- a/tools/perf/arch/arm64/entry/syscalls/mksyscalltbl > +++ b/tools/perf/arch/arm64/entry/syscalls/mksyscalltbl > @@ -56,7 +56,7 @@ create_table() > echo "};" > } > > -$gcc -E -dM -x c $input \ > - |sed -ne 's/^#define __NR_//p' \ > - |sort -t' ' -k2 -nu \ > +$gcc -I $incpath/include/uapi -E -dM -x c $input \ > + |sed -ne 's/^#define __NR_//p' \ > + |sort -t' ' -k2 -nu \ > |create_table > -- > 2.20.1 -- - Arnaldo
