The CROSS_COMPILE variable may be present during resolve_btfids build if the kernel is being cross-built. Since resolve_btfids is always executed on the host, we set CC to HOSTCC in order to use the host toolchain when cross-building with GCC. But instead of a toolchain prefix, cross-build with clang uses a "-target" parameter, which Makefile.include deduces from the CROSS_COMPILE variable. In order to avoid cross-building libbpf, clear CROSS_COMPILE before building resolve_btfids.
Acked-by: Quentin Monnet quentin@isovalent.com Signed-off-by: Jean-Philippe Brucker jean-philippe@linaro.org --- tools/bpf/resolve_btfids/Makefile | 1 + 1 file changed, 1 insertion(+)
diff --git a/tools/bpf/resolve_btfids/Makefile b/tools/bpf/resolve_btfids/Makefile index 751643f860b2..9ddeca947635 100644 --- a/tools/bpf/resolve_btfids/Makefile +++ b/tools/bpf/resolve_btfids/Makefile @@ -19,6 +19,7 @@ CC = $(HOSTCC) LD = $(HOSTLD) ARCH = $(HOSTARCH) RM ?= rm +CROSS_COMPILE =
OUTPUT ?= $(srctree)/tools/bpf/resolve_btfids/