On Mon, Jul 25, 2016 at 08:49:42PM +0800, Yun-Chih Chen wrote: > Try to build strace on mips and mipsel on qemu-system-mips, > qemu-system-mips64el in the following configuration: > > Qemu version: 2.3 > Architecture: mips, mipsel > Kernel: both 3.2.0-4-kc-malta > gcc: both 4.6.3 > > failed to build with --enable-gcc-Werror on.
According to http://www.einval.com/debian/strace/build-logs/mips/2016-07-25-020504-log-minkus-SUCCESS.txt and http://www.einval.com/debian/strace/build-logs/mipsel/2016-07-25-020436-log-etler-SUCCESS.txt there are no compilation warnings on these architectures. Looks like either gcc or kernel headers (or both) is not recent enough to build strace without warnings. > Logs as attached. You didn't have to attach the whole log when the relevant part is relatively small: > netlink_inet_diag.c: In function 'check_responses': > netlink_inet_diag.c:102:7: error: comparison between signed and unsigned > integer expressions [-Werror=sign-compare] > netlink_netlink_diag.c: In function 'check_responses': > netlink_netlink_diag.c:107:7: error: comparison between signed and unsigned > integer expressions [-Werror=sign-compare] > netlink_unix_diag.c: In function 'check_responses': > netlink_unix_diag.c:110:7: error: comparison between signed and unsigned > integer expressions [-Werror=sign-compare] > socketutils.c: In function 'receive_responses': > socketutils.c:220:8: error: comparison between signed and unsigned integer > expressions [-Werror=sign-compare] > socketutils.c:222:10: error: comparison between signed and unsigned integer > expressions [-Werror=sign-compare] This is a known issue, gcc used to complain about NLMSG_OK macro, which is indeed poorly defined. > v4l2.c: In function 'print_v4l2_format_fmt': > v4l2.c:207:2: error: enumeration value 'V4L2_BUF_TYPE_VIDEO_OVERLAY' not > handled in switch [-Werror=switch] > v4l2.c:207:2: error: enumeration value 'V4L2_BUF_TYPE_VBI_CAPTURE' not > handled in switch [-Werror=switch] > v4l2.c:207:2: error: enumeration value 'V4L2_BUF_TYPE_VBI_OUTPUT' not handled > in switch [-Werror=switch] > v4l2.c:207:2: error: enumeration value 'V4L2_BUF_TYPE_SLICED_VBI_CAPTURE' not > handled in switch [-Werror=switch] > v4l2.c:207:2: error: enumeration value 'V4L2_BUF_TYPE_SLICED_VBI_OUTPUT' not > handled in switch [-Werror=switch] > v4l2.c:207:2: error: enumeration value 'V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY' > not handled in switch [-Werror=switch] > v4l2.c:207:2: error: enumeration value 'V4L2_BUF_TYPE_PRIVATE' not handled in > switch [-Werror=switch] Newer versions of gcc no longer complain about this. -- ldv
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------------------------------------------------------------------------------ What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic patterns at an interface-level. Reveals which users, apps, and protocols are consuming the most bandwidth. Provides multi-vendor support for NetFlow, J-Flow, sFlow and other flows. Make informed decisions using capacity planning reports.http://sdm.link/zohodev2dev
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