linux_dsm_epyc7002/arch/ia64/kernel/Makefile.gate
Nick Desaulniers 861fde3191 ia64: require -Wl,--hash-style=sysv
Towards the goal of removing cc-ldoption, it seems that --hash-style=
was added to binutils 2.17.50.0.2 in 2006. The minimal required version
of binutils for the kernel according to
Documentation/process/changes.rst is 2.20.

Link: https://gcc.gnu.org/ml/gcc/2007-01/msg01141.html
Cc: clang-built-linux@googlegroups.com
Suggested-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-05-18 11:29:01 +09:00

30 lines
934 B
Makefile

# SPDX-License-Identifier: GPL-2.0
# The gate DSO image is built using a special linker script.
targets += gate.so gate.lds gate.o gate-dummy.o
obj-y += gate-syms.o
CPPFLAGS_gate.lds := -P -C -U$(ARCH)
quiet_cmd_gate = GATE $@
cmd_gate = $(CC) -nostdlib $(GATECFLAGS_$(@F)) -Wl,-T,$(filter-out FORCE,$^) -o $@
GATECFLAGS_gate.so = -shared -s -Wl,-soname=linux-gate.so.1 \
-Wl,--hash-style=sysv
$(obj)/gate.so: $(obj)/gate.lds $(obj)/gate.o FORCE
$(call if_changed,gate)
GATECFLAGS_gate-dummy.o = -r
$(obj)/gate-dummy.o: $(obj)/gate.lds $(obj)/gate.o FORCE
$(call if_changed,gate)
LDFLAGS_gate-syms.o := -r -R
$(obj)/gate-syms.o: $(obj)/gate-dummy.o FORCE
$(call if_changed,ld)
# gate-data.o contains the gate DSO image as data in section .data..gate.
# We must build gate.so before we can assemble it.
# Note: kbuild does not track this dependency due to usage of .incbin
$(obj)/gate-data.o: $(obj)/gate.so