netdev - Re: [PATCH iproute2 1/1] DEBUG: Fix make check when need build generate

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Message-ID: <20181020191516.GA15790@x230>
Date:   Sat, 20 Oct 2018 21:15:16 +0200
From:   Petr Vorel <pvorel@...e.cz>
To:     Stephen Hemminger <stephen@...workplumber.org>
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH iproute2 1/1] DEBUG: Fix make check when need build
 generate_nlmsg

Hi Stephen,

> make check from top level Makefile defines several flags which break
> building generate_nlmsg:

> $ make check
> make -C tools
> gcc  -Wall -Wstrict-prototypes  -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wformat=2 -O2 -I../include -I../include/uapi -DRESOLVE_HOSTNAMES -DLIBDIR=\"/usr/lib\" -DCONFDIR=\"/etc/iproute2\" -DNETNS_RUN_DIR=\"/var/run/netns\" -DNETNS_ETC_DIR=\"/etc/netns\" -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE  -DHAVE_SETNS -DHAVE_SELINUX -DHAVE_ELF -DHAVE_LIBMNL -I/usr/include/libmnl -DNEED_STRLCPY -DHAVE_LIBCAP ../lib/libutil.a ../lib/libnetlink.a -lselinux -lelf -lmnl -lcap  -I../../include -include../../include/uapi/linux/netlink.h -o generate_nlmsg generate_nlmsg.c ../../lib/libnetlink.c -lmnl
> gcc: error: ../lib/libutil.a: No such file or directory
> gcc: error: ../lib/libnetlink.a: No such file or directory
> make[2]: *** [Makefile:5: generate_nlmsg] Error 1
> make[1]: *** [Makefile:40: generate_nlmsg] Error 2

> To fix it reset CFLAGS in sub Makefile and remove LDLIBS entirely (as
> required -lmnl flag was specified in 5dc2204c ("testsuite: add libmnl").

> Fixes: 8804a8c0 ("Makefile: Add check target")

> Signed-off-by: Petr Vorel <pvorel@...e.cz>
> ---
> Hi Stephen,

> I'm sorry for this regression.

> Kind regards,
> Petr
> ---
>  testsuite/tools/Makefile | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

> diff --git a/testsuite/tools/Makefile b/testsuite/tools/Makefile
> index 7d53d226..e1d9bfef 100644
> --- a/testsuite/tools/Makefile
> +++ b/testsuite/tools/Makefile
> @@ -1,8 +1,9 @@
>  # SPDX-License-Identifier: GPL-2.0
> +CFLAGS=
>  include ../../config.mk

>  generate_nlmsg: generate_nlmsg.c ../../lib/libnetlink.c
> -	$(CC) $(CPPFLAGS) $(CFLAGS) $(LDLIBS) $(EXTRA_CFLAGS) -I../../include -include../../include/uapi/linux/netlink.h -o $@ $^ -lmnl
> +	$(CC) $(CPPFLAGS) $(CFLAGS) $(EXTRA_CFLAGS) -I../../include -include../../include/uapi/linux/netlink.h -o $@ $^ -lmnl

>  clean:
>  	rm -f generate_nlmsg

ping, please. Patch is in state "accepted in patchwork [1], but not merged.
Subject should be "testsuite: Fix make check when need build generate_nlmsg".


Kind regards,
Petr

[1] https://patchwork.ozlabs.org/patch/974391/