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Viktor Malik edd75c8028 tools/resolve_btfids: Fix setting HOSTCFLAGS

Building BPF selftests with custom HOSTCFLAGS yields an error:

    # make HOSTCFLAGS="-O2"
    [...]
      HOSTCC  ./tools/testing/selftests/bpf/tools/build/resolve_btfids/main.o
    main.c:73:10: fatal error: linux/rbtree.h: No such file or directory
       73 | #include <linux/rbtree.h>
          |          ^~~~~~~~~~~~~~~~

The reason is that tools/bpf/resolve_btfids/Makefile passes header
include paths by extending HOSTCFLAGS which is overridden by setting
HOSTCFLAGS in the make command (because of Makefile rules [1]).

This patch fixes the above problem by passing the include paths via
`HOSTCFLAGS_resolve_btfids` which is used by tools/build/Build.include
and can be combined with overridding HOSTCFLAGS.

[1] https://www.gnu.org/software/make/manual/html_node/Overriding.html

Fixes: 56a2df7615fa ("tools/resolve_btfids: Compile resolve_btfids as host program")
Signed-off-by: Viktor Malik <vmalik@redhat.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/20230530123352.1308488-1-vmalik@redhat.com

2023-06-05 15:44:47 -07:00

bpftool

bpftool: Specify XDP Hints ifname when loading program

2023-05-23 16:55:06 +02:00

resolve_btfids

tools/resolve_btfids: Fix setting HOSTCFLAGS

2023-06-05 15:44:47 -07:00

runqslower

tools: runqslower: Add EXTRA_CFLAGS and EXTRA_LDFLAGS support

2023-02-10 15:21:26 -08:00

.gitignore

.gitignore: add SPDX License Identifier