Hi Mauro, Added Peter's updated address to Cc. Mauro Carvalho Chehab writes: > Em Wed, 11 Jul 2018 10:22:51 -0300 > Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx> escreveu: > >> From: Peter Korsgaard <jacmet@xxxxxxxxxx> >> >> Ensure that the lfs variants are not transparently used instead of the !lfs >> ones so both can be wrapped, independently of any custom CFLAGS/CPPFLAGS. >> >> Without this patch, the following assembler errors appear >> during cross-compiling with Buildroot: >> >> /tmp/ccc3gdJg.s: Assembler messages: >> /tmp/ccc3gdJg.s:67: Error: symbol `open64' is already defined >> /tmp/ccc3gdJg.s:130: Error: symbol `mmap64' is already defined >> >> Signed-off-by: Peter Korsgaard <jacmet@xxxxxxxxxx> >> Signed-off-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx> >> --- >> lib/libv4l1/v4l1compat.c | 3 +++ >> lib/libv4l2/v4l2convert.c | 3 +++ >> 2 files changed, 6 insertions(+) >> >> diff --git a/lib/libv4l1/v4l1compat.c b/lib/libv4l1/v4l1compat.c >> index cb79629ff88f..e5c9e56261e2 100644 >> --- a/lib/libv4l1/v4l1compat.c >> +++ b/lib/libv4l1/v4l1compat.c >> @@ -19,6 +19,9 @@ >> # Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA >> */ >> >> +/* ensure we see *64 variants and they aren't transparently used */ >> +#undef _LARGEFILE_SOURCE >> +#undef _FILE_OFFSET_BITS > > Hmm... shouldn't this be autodetected? I didn't check anything, > but I would be expecting that different distros (and BSD) may be > doing different things here, specially if they use different gcc > versions or even different libc implementations. See Peter's explanation here: http://lists.busybox.net/pipermail/buildroot/2017-December/210067.html baruch >> #define _LARGEFILE64_SOURCE 1 >> >> #include <config.h> >> diff --git a/lib/libv4l2/v4l2convert.c b/lib/libv4l2/v4l2convert.c >> index 7c9a04c086ed..13ca4cfb1b08 100644 >> --- a/lib/libv4l2/v4l2convert.c >> +++ b/lib/libv4l2/v4l2convert.c >> @@ -23,6 +23,9 @@ >> /* prevent GCC 4.7 inlining error */ >> #undef _FORTIFY_SOURCE >> >> +/* ensure we see *64 variants and they aren't transparently used */ >> +#undef _LARGEFILE_SOURCE >> +#undef _FILE_OFFSET_BITS >> #define _LARGEFILE64_SOURCE 1 >> >> #ifdef ANDROID -- http://baruch.siach.name/blog/ ~. .~ Tk Open Systems =}------------------------------------------------ooO--U--Ooo------------{= - baruch@xxxxxxxxxx - tel: +972.52.368.4656, http://www.tkos.co.il -
