no1wudi commented on pull request #5637:
URL: https://github.com/apache/incubator-nuttx/pull/5637#issuecomment-1056052568
@pkarashchenko Yes, I got compiling flags like:
```
arm-none-eabi-gcc -c -fno-common -fno-builtin -Wall -Wstrict-prototypes
-Wshadow -Wundef -Os -fomit-frame-pointer -fno-strict-aliasing -mcpu=cortex-a8
-mfloat-abi=hard -mfpu=vfpv3-d16 -isystem "/home/huang/Work/nx/nuttx/include"
-D__NuttX__ -DNDEBUG -D__KERNEL__ -pipe binfmt_dumpmodule.c -o
binfmt_dumpmodule.o
CC: binfmt_coredump.c
arm-none-eabi-gcc -c -fno-common -fno-builtin -Wall -Wstrict-prototypes
-Wshadow -Wundef -Os -fomit-frame-pointer -fno-strict-aliasing -mcpu=cortex-a8
-mfloat-abi=hard -mfpu=vfpv3-d16 -isystem "/home/huang/Work/nx/nuttx/include"
-D__NuttX__ -DNDEBUG -D__KERNEL__ -pipe binfmt_coredump.c -o
binfmt_coredump.o
```
And link and print libgcc.a:
```
arm-none-eabi-ld --entry=__start
-T/home/huang/Work/nx/nuttx/boards/arm/am335x/beaglebone-black/scripts/sdram.ld
-L /home/huang/Work/nx/nuttx/staging -L
/home/huang/Work/nx/nuttx/arch/arm/src/board \
-o /home/huang/Work/nx/nuttx/nuttx arm_vectortab.o \
--start-group -lsched -ldrivers -lboards -lc -lmm -larch -lxx -lapps
-lfs -lbinfmt -lboard
/usr/lib/gcc/arm-none-eabi/10.3.1/thumb/v7-a+fp/hard/libgcc.a
/usr/lib/gcc/arm-none-eabi/10.3.1/../../../arm-none-eabi/lib/thumb/v7-a+fp/hard/libm.a
--end-group
➜ nuttx git:(rv) arm-none-eabi-gcc -mcpu=cortex-a8 -mfloat-abi=hard
-mfpu=vfpv3-d16 --print-libgcc-file-name
/usr/lib/gcc/arm-none-eabi/10.3.1/thumb/v7-a+fp/hard/libgcc.a
```
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