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tools: ynl: Allow cross-compiling ynl and associated tools

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The ynl tool and libraries may be built standalone or through the
drivers/net/hw selftest machinery. This may target a different arch, so
we need to take the CROSS_COMPILE variable into account for LLVM and
gcc.

Let's include the tools/scripts/Makefile.include that deals with the
CC/AR resolution.

Fixup the ynltool CFLAGS handling to use +=, so that we don't override
the ones set in Makefile.include.

Makefile.include also sets the Q variable for verbose mode, so we can
drop it from the ynltool Makefile. This will allow properly selection
the verbosity of ynltool builds with the V=1 make flag.

Reviewed-by: Matthieu Baerts (Netdev Foundation) <matttbe@kernel.org>
Signed-off-by: Maxime Chevallier (Netdev Foundation) <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/20260907161438.755125-2-maxime.chevallier@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Maxime Chevallier (Netdev Foundation) 2026-09-07 18:14:35 +02:00 committed by Jakub Kicinski
parent 58c3d01c66
commit 917f713b4e
5 changed files with 8 additions and 7 deletions
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1
tools/net/ynl/Makefile
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@ -1,5 +1,6 @@
# SPDX-License-Identifier: GPL-2.0 # SPDX-License-Identifier: GPL-2.0
include ../../scripts/Makefile.include
include ../../scripts/Makefile.arch include ../../scripts/Makefile.arch
INSTALL ?= install INSTALL ?= install

3
tools/net/ynl/generated/Makefile
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@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0 # SPDX-License-Identifier: GPL-2.0
CC=gcc include ../../../scripts/Makefile.include
CFLAGS += -std=gnu11 -O2 -W -Wall -Wextra -Wno-unused-parameter -Wshadow \ CFLAGS += -std=gnu11 -O2 -W -Wall -Wextra -Wno-unused-parameter -Wshadow \
-I../lib/ -idirafter $(UAPI_PATH) -I../lib/ -idirafter $(UAPI_PATH)
ifeq ("$(DEBUG)","1") ifeq ("$(DEBUG)","1")

3
tools/net/ynl/lib/Makefile
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@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0 # SPDX-License-Identifier: GPL-2.0
CC=gcc include ../../../scripts/Makefile.include
CFLAGS += -std=gnu11 -O2 -W -Wall -Wextra -Wno-unused-parameter -Wshadow CFLAGS += -std=gnu11 -O2 -W -Wall -Wextra -Wno-unused-parameter -Wshadow
ifeq ("$(DEBUG)","1") ifeq ("$(DEBUG)","1")
CFLAGS += -g -fsanitize=address -fsanitize=leak -static-libasan CFLAGS += -g -fsanitize=address -fsanitize=leak -static-libasan

2
tools/net/ynl/tests/Makefile
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@ -2,8 +2,8 @@
# Makefile for YNL tests # Makefile for YNL tests
include ../Makefile.deps include ../Makefile.deps
include ../../../scripts/Makefile.include
CC=gcc
CFLAGS += -std=gnu11 -O2 -W -Wall -Wextra -Wno-unused-parameter -Wshadow \ CFLAGS += -std=gnu11 -O2 -W -Wall -Wextra -Wno-unused-parameter -Wshadow \
-I../lib/ -I../generated/ -I../../../testing/selftests/ \ -I../lib/ -I../generated/ -I../../../testing/selftests/ \
-idirafter $(UAPI_PATH) -idirafter $(UAPI_PATH)

6
tools/net/ynl/ynltool/Makefile
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@ -1,12 +1,12 @@
# SPDX-License-Identifier: GPL-2.0-only # SPDX-License-Identifier: GPL-2.0-only
include ../Makefile.deps include ../Makefile.deps
include ../../../scripts/Makefile.include
INSTALL ?= install INSTALL ?= install
prefix ?= /usr prefix ?= /usr
CC := gcc CFLAGS += -Wall -Wextra -Werror -O2
CFLAGS := -Wall -Wextra -Werror -O2
ifeq ("$(DEBUG)","1") ifeq ("$(DEBUG)","1")
CFLAGS += -g -fsanitize=address -fsanitize=leak -static-libasan CFLAGS += -g -fsanitize=address -fsanitize=leak -static-libasan
endif endif
@ -27,8 +27,6 @@ include $(wildcard *.d)
all: $(YNLTOOL) all: $(YNLTOOL)
Q = @
$(YNLTOOL): ../libynl.a $(OBJS) $(YNLTOOL): ../libynl.a $(OBJS)
$(Q)echo -e "\tLINK $@" $(Q)echo -e "\tLINK $@"
$(Q)$(CC) $(CFLAGS) -o $@ $(OBJS) ../libynl.a -lm $(Q)$(CC) $(CFLAGS) -o $@ $(OBJS) ../libynl.a -lm