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tools: ynl: extend CFLAGS to keep options from environment

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Package build environments like Fedora rpmbuild introduced hardening
options (e.g. -pie -Wl,-z,now) by passing a -spec option to CFLAGS
and LDFLAGS.

ynl Makefiles currently override CFLAGS but not LDFLAGS, which leads
to a mismatch and build failure:
        CC sample devlink
  /usr/bin/ld: devlink.o: relocation R_X86_64_32 against symbol `ynl_devlink_family' can not be used when making a PIE object; recompile with -fPIE
  /usr/bin/ld: failed to set dynamic section sizes: bad value
  collect2: error: ld returned 1 exit status

Extend CFLAGS to support hardening options set by build environment.

Signed-off-by: Jan Stancek <jstancek@redhat.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/265b2d5d3a6d4721a161219f081058ed47dc846a.1731399562.git.jstancek@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jan Stancek 2024-11-12 09:21:33 +01:00 committed by Jakub Kicinski
parent c3b3eb565b
commit 05a318b4fc
3 changed files with 3 additions and 3 deletions
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2
tools/net/ynl/generated/Makefile
View File

@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
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/ -idirafter $(UAPI_PATH)
ifeq ("$(DEBUG)","1")
CFLAGS += -g -fsanitize=address -fsanitize=leak -static-libasan

2
tools/net/ynl/lib/Makefile
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@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
CC=gcc
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")
CFLAGS += -g -fsanitize=address -fsanitize=leak -static-libasan
endif

2
tools/net/ynl/samples/Makefile
View File

@ -3,7 +3,7 @@
include ../Makefile.deps
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/ -idirafter $(UAPI_PATH)
ifeq ("$(DEBUG)","1")
CFLAGS += -g -fsanitize=address -fsanitize=leak -static-libasan