jinliangli opened a new issue, #14426:
URL: https://github.com/apache/nuttx/issues/14426
### Description / Steps to reproduce the issue
Duplicate CFLAGS(e.g. -mcpu=cortex-a7) in linking like the below:
`arm-gnu-toolchain-12.2.rel1-x86_64-arm-none-eabi/bin/arm-none-eabi-g++
--specs=nosys.specs -Wl,--entry=__start -nostdlib -Wl,--gc-sections
-Wl,--cref -Wl,-Map=nuttx.map CMakeFiles/nuttx.dir/empty.cxx.obj
CMakeFiles/final_nuttx.dir/kasan_global_final.c.obj -o final_nuttx
-mcpu=cortex-a7 -mfloat-abi=hard -mfpu=neon-vfpv4 -fno-common -Wall
-Wshadow -Wundef -nostdlib -Os -fno-strict-aliasing -fomit-frame-pointer
-fsanitize=kernel-address --param=asan-globals=1 -ffunction-sections
-fdata-sections -g -Wno-attributes -Wno-unknown-pragmas -Wstrict-prototypes
-Wno-psabi -mcpu=cortex-a7 -mfloat-abi=hard -mfpu=neon-vfpv4 -fno-common
-Wall -Wshadow -Wundef -nostdlib -Os -fno-strict-aliasing
-fomit-frame-pointer -fsanitize=kernel-address --param=asan-globals=1
-ffunction-sections -fdata-sections -g -Wno-attributes -Wno-unknown-pragmas
-Wstrict-prototypes -Wno-psabi -fdiagnostics-color=always -T
dramboot.ld.tmp -Wl,--start-group arch/libarch.a b
infmt/libbinfmt.a drivers/libdrivers.a fs/libfs.a libs/libc/libc.a
mm/libmm.a sched/libsched.a boards/libboard.a libs/libxx/liblibcxxmini.a
apps/libapps.a apps/builtin/libapps_builtin.a apps/system/nsh/libapps_nsh.a
apps/system/nsh/libapps_sh.a apps/testing/getprime/libapps_getprime.a
apps/testing/kasantest/libapps_kasantest.a
apps/testing/ostest/libapps_ostest.a apps/examples/hello/libapps_hello.a`
**Reproduce steps:**
1. cmake -B build -DBOARD_CONFIG=qemu-armv7a:nsh -GNinja
2. cd build
3. ninja -v
There is no such issue when Cmake and makefile backend building.
### On which OS does this issue occur?
[OS: Linux]
### What is the version of your OS?
Ubuntu 20.04.6 LTS
### NuttX Version
master
### Issue Architecture
[Arch: all]
### Issue Area
[Area: Build System]
### Verification
- [X] I have verified before submitting the report.
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