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05a318b4fc
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>
53 lines
1.3 KiB
Makefile
53 lines
1.3 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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CC=gcc
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CFLAGS += -std=gnu11 -O2 -W -Wall -Wextra -Wno-unused-parameter -Wshadow \
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-I../lib/ -idirafter $(UAPI_PATH)
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ifeq ("$(DEBUG)","1")
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CFLAGS += -g -fsanitize=address -fsanitize=leak -static-libasan
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endif
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include ../Makefile.deps
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YNL_GEN_ARG_ethtool:=--user-header linux/ethtool_netlink.h \
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--exclude-op stats-get
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TOOL:=../ynl-gen-c.py
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GENS_PATHS=$(shell grep -nrI --files-without-match \
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'protocol: netlink' \
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../../../../Documentation/netlink/specs/)
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GENS=$(patsubst ../../../../Documentation/netlink/specs/%.yaml,%,${GENS_PATHS})
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SRCS=$(patsubst %,%-user.c,${GENS})
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HDRS=$(patsubst %,%-user.h,${GENS})
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OBJS=$(patsubst %,%-user.o,${GENS})
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all: protos.a $(HDRS) $(SRCS) $(KHDRS) $(KSRCS) $(UAPI)
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protos.a: $(OBJS)
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@echo -e "\tAR $@"
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@ar rcs $@ $(OBJS)
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%-user.h: ../../../../Documentation/netlink/specs/%.yaml $(TOOL)
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@echo -e "\tGEN $@"
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@$(TOOL) --mode user --header --spec $< -o $@ $(YNL_GEN_ARG_$*)
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%-user.c: ../../../../Documentation/netlink/specs/%.yaml $(TOOL)
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@echo -e "\tGEN $@"
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@$(TOOL) --mode user --source --spec $< -o $@ $(YNL_GEN_ARG_$*)
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%-user.o: %-user.c %-user.h
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@echo -e "\tCC $@"
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@$(COMPILE.c) $(CFLAGS_$*) -o $@ $<
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clean:
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rm -f *.o
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distclean: clean
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rm -f *.c *.h *.a
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regen:
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@../ynl-regen.sh
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.PHONY: all clean distclean regen
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.DEFAULT_GOAL: all
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