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tools/resolve_btfids: Pass HOSTCFLAGS as EXTRA_CFLAGS to prepare targets
commit 2531ba0 upstream. Thorsten reported build issue with command line that defined extra HOSTCFLAGS that were not passed into 'prepare' targets, but were used to build resolve_btfids objects. This results in build fail when these objects are linked together: /usr/bin/ld: /build.../tools/bpf/resolve_btfids//libbpf/libbpf.a(libbpf-in.o): relocation R_X86_64_32 against `.rodata.str1.1' can not be used when making a PIE \ object; recompile with -fPIE Fixing this by passing HOSTCFLAGS in EXTRA_CFLAGS as part of HOST_OVERRIDES variable for prepare targets. [1] https://lore.kernel.org/bpf/f7922132-6645-6316-5675-0ece4197bfff@leemhuis.info/ Fixes: 56a2df7 ("tools/resolve_btfids: Compile resolve_btfids as host program") Reported-by: Thorsten Leemhuis <linux@leemhuis.info> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Tested-by: Thorsten Leemhuis <linux@leemhuis.info> Acked-by: Ian Rogers <irogers@google.com> Link: https://lore.kernel.org/bpf/20230209143735.4112845-1-jolsa@kernel.org Cc: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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