nuttx: nxflat build and run-time errors

Hello, Unfortunately, I can not build eagle100:nxflat and eagle100:thttpd configurations. As I’ve understood from README files and history files in NuttX repo, there are some not yet resolved issues with new gcc versions, and gcc 4.3.3 was the last version that still worked for NXFLAT mode. I tried to build NXFLAT Toolchain based on gcc 4.3.3 and binutils 2.19.1, however I’m still experiencing NuttX build errors.

Steps to reproduce:

$ mkdir TEST_ROOT
$ git clone https://github.com/apache/incubator-nuttx.git TEST_ROOT/nuttx
$ git clone https://github.com/apache/incubator-nuttx-apps TEST_ROOT/apps
$ cd TEST_ROOT/nuttx
$ ./tools/configure.sh -l eagle100:nxflat

Build NXFLAT Toolchain:

$ git clone https://bitbucket.org/nuttx/buildroot.git TEST_ROOT/buildroot/buildroot
$ cd TEST_ROOT/buildroot/buildroot
$ cp configs/cortexm3-defconfig-nxflat .config
$ make oldconfig
$ make menuconfig
activate the following options:
Toolchain Options -> Build GCC cross-compiler
Toolchain Options -> Build C++ compiler
$ make

Build NuttX:

$ cd TEST_ROOT/nuttx
$ make CROSSDEV=TEST_ROOT/buildroot/buildroot/build_arm_nofpu/staging_dir/bin/arm-nuttx-elf- \
       MKNXFLAT=TEST_ROOT/buildroot/buildroot/build_arm_nofpu/staging_dir/bin/mknxflat \
       LDNXFLAT=TEST_ROOT/buildroot/buildroot/build_arm_nofpu/staging_dir/bin/ldnxflat

There are multiple build errors. The first portion is as follows:

make[5]: Entering directory '.../TEST_ROOT/apps/examples/nxflat/tests/errno'
CC: errno.c
LD: errno.o
MK: errno.r1
AS: errno-thunk.S
LD: errno-thunk.o
LD: errno.r2
INPUT SECTIONS:
SECT LOW      HIGH     SIZE
TEXT 00000000 0000018a 0000018a
DATA 00000000 00000028 00000028
BSS  00000028 00000028 00000000
ERROR -- Symbol in GOT32 relocation is in TEXT
ERROR --   At addr 00000064 to sym '.LC0' [0000010c]
ERROR -- Symbol in GOT32 relocation is in TEXT
ERROR --   At addr 00000068 to sym '.LC1' [00000124]
ERROR -- Symbol in GOT32 relocation is in TEXT
ERROR --   At addr 0000006c to sym 'g_nonexistent' [000000fc]
ERROR -- Symbol in GOT32 relocation is in TEXT
ERROR --   At addr 00000070 to sym '.LC2' [0000013c]
ERROR -- Symbol in GOT32 relocation is in TEXT
ERROR --   At addr 00000074 to sym '.LC3' [0000013e]
ERROR -- Symbol in GOT32 relocation is in TEXT
ERROR --   At addr 00000078 to sym '.LC4' [00000165]
Entry symbol "main": 00000024 in section ".text"

Could you please tell me if I’m doing something wrong or what https://bitbucket.org/nuttx/buildroot.git SHA-1 (including what gcc and binutils version) and NuttX SHA-1 are compatible to each other to make NuttX with enabled NXFLAT working?