Most of currently mentioned CFLAGS in arc770/Makefile
are not really required because:
[1] "-Os -pipe" are set by default in include/target.mk
[2] "-fno-caller-saves" gets enabled via menuconfig
as an extra compiler flag for developers
So the only one that makes sense is "-matomic" and
that one is really essential. Without it many software
packges won't build complainin on unresolved atomic ops.
Signed-off-by: Alexey Brodkin <abrod...@synopsys.com>
Cc: Felix Fietkau <n...@openwrt.org>
Cc: Jo-Philipp Wich <j...@openwrt.org>
Cc: Jonas Gorski <j...@openwrt.org>
---
include/target.mk | 1 +
target/linux/arc770/Makefile | 1 -
2 files changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/target.mk b/include/target.mk
index f129298..d8c0212 100644
--- a/include/target.mk
+++ b/include/target.mk
@@ -263,6 +263,7 @@ ifeq ($(DUMP),1)
endif
ifeq ($(ARCH),arc)
CPU_TYPE ?= arc700
+ CPU_CFLAGS += -matomic
CPU_CFLAGS_arc700 = -marc700
endif
DEFAULT_CFLAGS=$(strip $(CPU_CFLAGS) $(CPU_CFLAGS_$(CPU_TYPE))
$(CPU_CFLAGS_$(CPU_SUBTYPE)))
diff --git a/target/linux/arc770/Makefile b/target/linux/arc770/Makefile
index 52c5e00..f917338 100644
--- a/target/linux/arc770/Makefile
+++ b/target/linux/arc770/Makefile
@@ -9,7 +9,6 @@ include $(TOPDIR)/rules.mk
ARCH:=arc
BOARD:=arc770
BOARDNAME:=Synopsys DesignWare ARC 770D
-CFLAGS:=-Os -pipe -fno-caller-saves -matomic
MAINTAINER:=Alexey Brodkin <abrod...@synopsys.com>
SUBTARGETS:=generic
--
2.5.0
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