linux-kernel - [PATCH] xtensa: boot-redboot: clean up Makefile

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Message-Id: <20230609023200.1694846-1-jcmvbkbc@gmail.com>
Date:   Thu,  8 Jun 2023 19:32:00 -0700
From:   Max Filippov <jcmvbkbc@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Chris Zankel <chris@...kel.net>, Max Filippov <jcmvbkbc@...il.com>
Subject: [PATCH] xtensa: boot-redboot: clean up Makefile

Drop references to external library search directory and compiler libgcc
from the link command. Use KBUILD_LDFLAGS in the link command.

Signed-off-by: Max Filippov <jcmvbkbc@...il.com>
---
 arch/xtensa/boot/boot-redboot/Makefile | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/arch/xtensa/boot/boot-redboot/Makefile b/arch/xtensa/boot/boot-redboot/Makefile
index 1d1d46215b1c..c0eef3f6f32d 100644
--- a/arch/xtensa/boot/boot-redboot/Makefile
+++ b/arch/xtensa/boot/boot-redboot/Makefile
@@ -6,16 +6,12 @@
 
 OBJCOPY_ARGS := -O $(if $(CONFIG_CPU_BIG_ENDIAN),elf32-xtensa-be,elf32-xtensa-le)
 
-LD_ARGS	= -T $(srctree)/$(obj)/boot.ld
-
 boot-y	:= bootstrap.o
 targets	+= $(boot-y)
 
 OBJS	:= $(addprefix $(obj)/,$(boot-y))
 LIBS	:= arch/xtensa/boot/lib/lib.a arch/xtensa/lib/lib.a
 
-LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
-
 $(obj)/zImage.o: $(obj)/../vmlinux.bin.gz $(OBJS)
 	$(Q)$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
 		--add-section image=$< \
@@ -23,7 +19,10 @@ $(obj)/zImage.o: $(obj)/../vmlinux.bin.gz $(OBJS)
 		$(OBJS) $@
 
 $(obj)/zImage.elf: $(obj)/zImage.o $(LIBS)
-	$(Q)$(LD) $(LD_ARGS) -o $@ $^ -L/xtensa-elf/lib $(LIBGCC)
+	$(Q)$(LD) $(KBUILD_LDFLAGS) \
+		-T $(srctree)/$(obj)/boot.ld \
+		--build-id=none \
+		-o $@ $^
 
 $(obj)/../zImage.redboot: $(obj)/zImage.elf
 	$(Q)$(OBJCOPY) -S -O binary $< $@
-- 
2.30.2