xiaoxiang781216 commented on a change in pull request #5282:
URL: https://github.com/apache/incubator-nuttx/pull/5282#discussion_r788777548
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File path: boards/risc-v/bl602/bl602evb/scripts/Make.defs
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@@ -45,8 +45,8 @@ ifneq ($(CONFIG_DEBUG_NOOPT),y)
endif
ARCHCPUFLAGS += -mno-relax
-ARCHCFLAGS = -fno-builtin -ffunction-sections -fdata-sections
-fstrict-volatile-bitfields -fshort-enums -fno-omit-frame-pointer
-ARCHCXXFLAGS = -fno-builtin -ffunction-sections -fdata-sections
-fstrict-volatile-bitfields -fshort-enums -fno-omit-frame-pointer
-fno-exceptions -fcheck-new -std=c++17 -D__NuttX__ -pipe -nostdinc++
+ARCHCFLAGS = -fno-builtin -ffunction-sections -fdata-sections
Review comment:
> General question on `-fshort-enums`. Shouldn't this give better code
size?
Since the prebuilt library(e.g. libgcc, libm, libsupc++) from toolchain
never add -fshort-enums, it's wrong to enable this option unless we build the
toolchain by self.
> Do we have a Kconfig options to specify extra options like this? It might
be needed if code is linked to third party pre-compiled libraries that are
compiled with `-fshort-enums` and have pointers to enums or arrays of enums
passed as parameters to functions.
No.
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