Hi Starovoitov,
This one does have the issue you mentioned. [PATCH 2/4] selftests/gpio: fix paths in Makefile
And can be fixed by:
--- a/tools/testing/selftests/gpio/Makefile +++ b/tools/testing/selftests/gpio/Makefile @@ -1,5 +1,6 @@ # SPDX-License-Identifier: GPL-2.0
+OUTPUT ?= $(shell pwd) TEST_PROGS := gpio-mockup.sh TEST_FILES := gpio-mockup-sysfs.sh $(BINARIES) BINARIES := gpio-mockup-chardev @@ -24,7 +25,7 @@ LDLIBS += -lmount -I/usr/include/libmount $(BINARIES): gpio-utils.o ../../../../usr/include/linux/gpio.h
gpio-utils.o: - make ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) -C ../../../gpio + make ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) OUTPUT=$(OUTPUT)/ -C ../../../gpio
../../../../usr/include/linux/gpio.h:
I will update it later.
On Mon, Mar 26, 2018 at 07:55:13AM -0700, Alexei Starovoitov wrote:
On Mon, Mar 26, 2018 at 05:23:28PM +0800, changbin.du@intel.com wrote:
From: Changbin Du changbin.du@intel.com
This patch fixed below errors of missing head files.
tools/testing/selftests$ make ... clang -I. -I./include/uapi -I../../../include/uapi -Wno-compare-distinct-pointer-types \ -O2 -target bpf -emit-llvm -c test_pkt_access.c -o - | \ llc -march=bpf -mcpu=generic -filetype=obj -o /home/changbin/work/linux/tools/testing/selftests/bpf//test_pkt_access.o In file included from test_pkt_access.c:9: In file included from ../../../include/uapi/linux/bpf.h:11: In file included from ./include/uapi/linux/types.h:5: /usr/include/asm-generic/int-ll64.h:11:10: fatal error: 'asm/bitsperlong.h' file not found #include <asm/bitsperlong.h> ^ 1 error generated. clang -I. -I./include/uapi -I../../../include/uapi -Wno-compare-distinct-pointer-types \ -O2 -target bpf -emit-llvm -c test_xdp.c -o - | \ llc -march=bpf -mcpu=generic -filetype=obj -o /home/changbin/work/linux/tools/testing/selftests/bpf//test_xdp.o In file included from test_xdp.c:9: In file included from ../../../include/uapi/linux/bpf.h:11: In file included from ./include/uapi/linux/types.h:5: /usr/include/asm-generic/int-ll64.h:11:10: fatal error: 'asm/bitsperlong.h' file not found #include <asm/bitsperlong.h> ^ 1 error generated. clang -I. -I./include/uapi -I../../../include/uapi -Wno-compare-distinct-pointer-types \ -O2 -target bpf -emit-llvm -c test_l4lb.c -o - | \ llc -march=bpf -mcpu=generic -filetype=obj -o /home/changbin/work/linux/tools/testing/selftests/bpf//test_l4lb.o In file included from test_l4lb.c:10: In file included from /usr/include/linux/pkt_cls.h:4: In file included from ./include/uapi/linux/types.h:5: /usr/include/asm-generic/int-ll64.h:11:10: fatal error: 'asm/bitsperlong.h' file not found #include <asm/bitsperlong.h> ^ 1 error generated. clang -I. -I./include/uapi -I../../../include/uapi -Wno-compare-distinct-pointer-types \ -O2 -target bpf -emit-llvm -c test_tcp_estats.c -o - | \ llc -march=bpf -mcpu=generic -filetype=obj -o /home/changbin/work/linux/tools/testing/selftests/bpf//test_tcp_estats.o In file included from test_tcp_estats.c:35: In file included from ../../../include/uapi/linux/bpf.h:11: In file included from ./include/uapi/linux/types.h:5: /usr/include/asm-generic/int-ll64.h:11:10: fatal error: 'asm/bitsperlong.h' file not found #include <asm/bitsperlong.h> ...
Signed-off-by: Changbin Du changbin.du@intel.com
tools/testing/selftests/bpf/Makefile | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index 5c43c18..dc0fdc8 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -10,7 +10,8 @@ ifneq ($(wildcard $(GENHDR)),) GENFLAGS := -DHAVE_GENHDR endif -CFLAGS += -Wall -O2 -I$(APIDIR) -I$(LIBDIR) -I$(GENDIR) $(GENFLAGS) -I../../../include +CFLAGS += -Wall -O2 -I$(APIDIR) -I$(LIBDIR) -I$(GENDIR) $(GENFLAGS) \
-I../../../include -I../../../../usr/includeLDLIBS += -lcap -lelf -lrt -lpthread # Order correspond to 'make run_tests' order @@ -62,7 +63,7 @@ else CPU ?= generic endif -CLANG_FLAGS = -I. -I./include/uapi -I../../../include/uapi \ +CLANG_FLAGS = -I. -I./include/uapi -I../../../include/uapi -I../../../../usr/include \ -Wno-compare-distinct-pointer-types
Nack. I suspect that will break the build for everyone else who's doing it in the directory itself instead of the outer one.