pkarashchenko commented on code in PR #8903:
URL: https://github.com/apache/nuttx/pull/8903#discussion_r1148561962
##########
arch/arm/src/common/Toolchain.defs:
##########
@@ -267,6 +254,29 @@ endif
ARCHOPTIMIZATION += -fno-common -Wall -Wshadow -Wundef
+ifeq ($(CONFIG_ARM_THUMB),y)
+ ARCHOPTIMIZATION += -mthumb
+
+ # Add assembler options only if GCC LTO is not enabled. Otherwise we get
+ # lto-wrapper: warning: Extra option to '-Xassembler': -mthumb, dropping
+ # all '-Xassembler' and '-Wa' options.
+
+ ifneq ($(LD),$(CC))
Review Comment:
Seems not to be possible because of
```
LDSTARTGROUP ?= -Wl,--start-group
LDENDGROUP ?= -Wl,--end-group
LDFLAGS := $(addprefix -Xlinker ,$(LDFLAGS))
LDFLAGS += $(CFLAGS)
```
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