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authorIvan Khoronzhuk <ivan.khoronzhuk@linaro.org>2019-10-11 03:28:02 +0300
committerAlexei Starovoitov <ast@kernel.org>2019-10-13 02:08:59 +0300
commit10cb3d8706dbaa0521e761b96b3be5b7a497ae3f (patch)
tree9120f4cd1814b418624da472725bfa192ad56664 /samples/bpf/Makefile
parent1d97c6c2511f10e19f683a4431e8ee887c1daab6 (diff)
downloadlinux-10cb3d8706dbaa0521e761b96b3be5b7a497ae3f.tar.xz
samples/bpf: Use own flags but not HOSTCFLAGS
While compiling natively, the host's cflags and ldflags are equal to ones used from HOSTCFLAGS and HOSTLDFLAGS. When cross compiling it should have own, used for target arch. While verification, for arm, arm64 and x86_64 the following flags were used always: -Wall -O2 -fomit-frame-pointer -Wmissing-prototypes -Wstrict-prototypes So, add them as they were verified and used before adding Makefile.target and lets omit "-fomit-frame-pointer" as were proposed while review, as no sense in such optimization for samples. Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20191011002808.28206-10-ivan.khoronzhuk@linaro.org
Diffstat (limited to 'samples/bpf/Makefile')
-rw-r--r--samples/bpf/Makefile6
1 files changed, 4 insertions, 2 deletions
diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
index 91bfb421c278..57a15ff938a6 100644
--- a/samples/bpf/Makefile
+++ b/samples/bpf/Makefile
@@ -176,8 +176,10 @@ BPF_EXTRA_CFLAGS := $(ARM_ARCH_SELECTOR)
TPROGS_CFLAGS += $(ARM_ARCH_SELECTOR)
endif
-TPROGS_LDLIBS := $(KBUILD_HOSTLDLIBS)
-TPROGS_CFLAGS += $(KBUILD_HOSTCFLAGS) $(HOST_EXTRACFLAGS)
+TPROGS_CFLAGS += -Wall -O2
+TPROGS_CFLAGS += -Wmissing-prototypes
+TPROGS_CFLAGS += -Wstrict-prototypes
+
TPROGS_CFLAGS += -I$(objtree)/usr/include
TPROGS_CFLAGS += -I$(srctree)/tools/lib/bpf/
TPROGS_CFLAGS += -I$(srctree)/tools/testing/selftests/bpf/