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[v4,bpf-next,10/15] samples/bpf: use target CC environment for HDR_PROBE

Message ID 20191009204134.26960-11-ivan.khoronzhuk@linaro.org
State New
Headers show
Series samples: bpf: improve/fix cross-compilation | expand

Commit Message

Ivan Khoronzhuk Oct. 9, 2019, 8:41 p.m. UTC 
No need in hacking HOSTCC to be cross-compiler any more, so drop
this trick and use target CC for HDR_PROBE.

Acked-by: Andrii Nakryiko <andriin@fb.com>

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>

---
 samples/bpf/Makefile | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

-- 
2.17.1
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Patch

diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
index 57a15ff938a6..a6c33496e8ca 100644
--- a/samples/bpf/Makefile
+++ b/samples/bpf/Makefile
@@ -205,15 +205,14 @@  BTF_PAHOLE ?= pahole
 
 # Detect that we're cross compiling and use the cross compiler
 ifdef CROSS_COMPILE
-HOSTCC = $(CROSS_COMPILE)gcc
 CLANG_ARCH_ARGS = --target=$(notdir $(CROSS_COMPILE:%-=%))
 endif
 
 # Don't evaluate probes and warnings if we need to run make recursively
 ifneq ($(src),)
 HDR_PROBE := $(shell printf "\#include <linux/types.h>\n struct list_head { int a; }; int main() { return 0; }" | \
-	$(HOSTCC) $(KBUILD_HOSTCFLAGS) -x c - -o /dev/null 2>/dev/null && \
-	echo okay)
+	$(CC) $(TPROGS_CFLAGS) $(TPROGS_LDFLAGS) -x c - \
+	-o /dev/null 2>/dev/null && echo okay)
 
 ifeq ($(HDR_PROBE),)
 $(warning WARNING: Detected possible issues with include path.)