From: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
To: ast@kernel.org, daniel@iogearbox.net, yhs@fb.com,
davem@davemloft.net, jakub.kicinski@netronome.com,
hawk@kernel.org, john.fastabend@gmail.com
Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
bpf@vger.kernel.org, clang-built-linux@googlegroups.com,
ilias.apalodimas@linaro.org, sergei.shtylyov@cogentembedded.com,
Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Subject: [PATCH v4 bpf-next 14/15] samples/bpf: add sysroot support
Date: Wed, 9 Oct 2019 23:41:33 +0300 [thread overview]
Message-ID: <20191009204134.26960-15-ivan.khoronzhuk@linaro.org> (raw)
In-Reply-To: <20191009204134.26960-1-ivan.khoronzhuk@linaro.org>
Basically it only enables that was added by previous couple fixes.
Sysroot contains correct libs installed and its headers. Useful when
working with NFC or virtual machine.
Usage example:
clean (on demand)
make ARCH=arm -C samples/bpf clean
make ARCH=arm -C tools clean
make ARCH=arm clean
configure and install headers:
make ARCH=arm defconfig
make ARCH=arm headers_install
build samples/bpf:
make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- samples/bpf/ \
SYSROOT="path/to/sysroot"
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
---
samples/bpf/Makefile | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
index 6b161326ac67..4df11ddb9c75 100644
--- a/samples/bpf/Makefile
+++ b/samples/bpf/Makefile
@@ -187,6 +187,11 @@ TPROGS_CFLAGS += -I$(srctree)/tools/lib/
TPROGS_CFLAGS += -I$(srctree)/tools/include
TPROGS_CFLAGS += -I$(srctree)/tools/perf
+ifdef SYSROOT
+TPROGS_CFLAGS += --sysroot=$(SYSROOT)
+TPROGS_LDFLAGS := -L$(SYSROOT)/usr/lib
+endif
+
TPROGCFLAGS_bpf_load.o += -Wno-unused-variable
TPROGS_LDLIBS += $(LIBBPF) -lelf
--
2.17.1
next prev parent reply other threads:[~2019-10-09 20:42 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-09 20:41 [PATCH v4 bpf-next 00/15] samples: bpf: improve/fix cross-compilation Ivan Khoronzhuk
2019-10-09 20:41 ` [PATCH v4 bpf-next 01/15] samples/bpf: fix HDR_PROBE "echo" Ivan Khoronzhuk
2019-10-09 22:42 ` Andrii Nakryiko
2019-10-09 20:41 ` [PATCH v4 bpf-next 02/15] samples/bpf: fix cookie_uid_helper_example obj build Ivan Khoronzhuk
2019-10-09 20:41 ` [PATCH v4 bpf-next 03/15] samples/bpf: use --target from cross-compile Ivan Khoronzhuk
2019-10-09 20:41 ` [PATCH v4 bpf-next 04/15] samples/bpf: use own EXTRA_CFLAGS for clang commands Ivan Khoronzhuk
2019-10-09 20:41 ` [PATCH v4 bpf-next 05/15] samples/bpf: use __LINUX_ARM_ARCH__ selector for arm Ivan Khoronzhuk
2019-10-09 20:41 ` [PATCH v4 bpf-next 06/15] samples/bpf: drop unnecessarily inclusion for bpf_load Ivan Khoronzhuk
2019-10-09 20:41 ` [PATCH v4 bpf-next 07/15] samples/bpf: add makefile.target for separate CC target build Ivan Khoronzhuk
2019-10-09 20:41 ` [PATCH v4 bpf-next 08/15] samples/bpf: base target programs rules on Makefile.target Ivan Khoronzhuk
2019-10-09 20:41 ` [PATCH v4 bpf-next 09/15] samples/bpf: use own flags but not HOSTCFLAGS Ivan Khoronzhuk
2019-10-09 20:41 ` [PATCH v4 bpf-next 10/15] samples/bpf: use target CC environment for HDR_PROBE Ivan Khoronzhuk
2019-10-09 20:41 ` [PATCH v4 bpf-next 11/15] libbpf: don't use cxx to test_libpf target Ivan Khoronzhuk
2019-10-10 0:26 ` Andrii Nakryiko
2019-10-09 20:41 ` [PATCH v4 bpf-next 12/15] libbpf: add C/LDFLAGS to libbpf.so and test_libpf targets Ivan Khoronzhuk
2019-10-09 20:41 ` [PATCH v4 bpf-next 13/15] samples/bpf: provide C/LDFLAGS to libbpf Ivan Khoronzhuk
2019-10-09 20:41 ` Ivan Khoronzhuk [this message]
2019-10-09 20:41 ` [PATCH v4 bpf-next 15/15] samples/bpf: add preparation steps and sysroot info to readme Ivan Khoronzhuk
2019-10-11 0:00 ` [PATCH v4 bpf-next 00/15] samples: bpf: improve/fix cross-compilation Daniel Borkmann
2019-10-11 0:29 ` Ivan Khoronzhuk
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