gustavonihei commented on pull request #3836:
URL: https://github.com/apache/incubator-nuttx/pull/3836#issuecomment-854926356
> I am currently stuck with quickfeather/nsh config. If anyone knows
anything about this configuration please help.
>
> ```
>
/tools/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/9.2.1/../../../../arm-none-eabi/bin/ld:
error: /github/workspace/sources/nuttx/staging/libsched.a(exit.o) uses VFP
register arguments, /github/workspace/sources/nuttx/nuttx does not
>
/tools/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/9.2.1/../../../../arm-none-eabi/bin/ld:
failed to merge target specific data of file
/github/workspace/sources/nuttx/staging/libsched.a(exit.o)
>
/tools/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/9.2.1/../../../../arm-none-eabi/bin/ld:
error: /github/workspace/sources/nuttx/staging/libsched.a(nx_start.o) uses VFP
register arguments, /github/workspace/sources/nuttx/nuttx does not
>
/tools/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/9.2.1/../../../../arm-none-eabi/bin/ld:
failed to merge target specific data of file
/github/workspace/sources/nuttx/staging/libsched.a(nx_start.o)
> ```
>
> I also tried to change ld to gcc on mips, renesas, x86 and x86-64, but
failed to build. I can completely rewrite makefiles, but i don't know why they
were written as they were written.
It seems that `quickfeather` is missing `-nostartfiles` and
`-nodefaultlibs` flags.
Besides the changes you've already applied, I got to make it build by
applying the following patch:
```patch
diff --git a/boards/arm/eoss3/quickfeather/scripts/Make.defs
b/boards/arm/eoss3/quickfeather/scripts/Make.defs
index 0f9a6105d0..d551850980 100644
--- a/boards/arm/eoss3/quickfeather/scripts/Make.defs
+++ b/boards/arm/eoss3/quickfeather/scripts/Make.defs
@@ -63,6 +63,8 @@ CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS)
CPPFLAGS := $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS)
AFLAGS := $(CFLAGS) -D__ASSEMBLY__
-NXFLATLDFLAGS1 = -r -d -warn-common
+LDFLAGS := -nostartfiles -nodefaultlibs
+
+NXFLATLDFLAGS1 = -r -Wl,-d -Wl,-warn-common
NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1)
-T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-pcrel.ld -no-check-sections
LDNXFLATFLAGS = -e main -s 2048
```
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