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| author | Alexander Lobakin <alexandr.lobakin@intel.com> | 2022-04-04 13:54:51 +0200 |
|---|---|---|
| committer | Andrii Nakryiko <andrii@kernel.org> | 2022-04-04 23:45:06 +0200 |
| commit | fc843ccd8e4c084fa5d605a876db2d3a3c38be88 (patch) | |
| tree | e3727a32e93f0f94c1a41a234e59527fefe42018 /samples | |
| parent | sample: bpf: syscall_tp_user: Print result of verify_map (diff) | |
| download | linux-fc843ccd8e4c084fa5d605a876db2d3a3c38be88.tar.xz linux-fc843ccd8e4c084fa5d605a876db2d3a3c38be88.zip | |
samples: bpf: Fix linking xdp_router_ipv4 after migration
Users of the xdp_sample_user infra should be explicitly linked
with the standard math library (`-lm`). Otherwise, the following
happens:
/usr/bin/ld: xdp_sample_user.c:(.text+0x59fc): undefined reference to `ceil'
/usr/bin/ld: xdp_sample_user.c:(.text+0x5a0d): undefined reference to `ceil'
/usr/bin/ld: xdp_sample_user.c:(.text+0x5adc): undefined reference to `floor'
/usr/bin/ld: xdp_sample_user.c:(.text+0x5b01): undefined reference to `ceil'
/usr/bin/ld: xdp_sample_user.c:(.text+0x5c1e): undefined reference to `floor'
/usr/bin/ld: xdp_sample_user.c:(.text+0x5c43): undefined reference to `ceil
[...]
That happened previously, so there's a block of linkage flags in the
Makefile. xdp_router_ipv4 has been transferred to this infra quite
recently, but hasn't been added to it. Fix.
Fixes: 85bf1f51691c ("samples: bpf: Convert xdp_router_ipv4 to XDP samples helper")
Signed-off-by: Alexander Lobakin <alexandr.lobakin@intel.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220404115451.1116478-1-alexandr.lobakin@intel.com
Diffstat (limited to 'samples')
| -rw-r--r-- | samples/bpf/Makefile | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile index b4fa0e69aa14..342a41a10356 100644 --- a/samples/bpf/Makefile +++ b/samples/bpf/Makefile @@ -219,6 +219,7 @@ TPROGLDLIBS_xdp_redirect += -lm TPROGLDLIBS_xdp_redirect_cpu += -lm TPROGLDLIBS_xdp_redirect_map += -lm TPROGLDLIBS_xdp_redirect_map_multi += -lm +TPROGLDLIBS_xdp_router_ipv4 += -lm TPROGLDLIBS_tracex4 += -lrt TPROGLDLIBS_trace_output += -lrt TPROGLDLIBS_map_perf_test += -lrt |