[Buildroot] Problems building for ucLinux/ARM with elf2flt enabled

Anna Fischer (novero/Bochum) Anna.Fischer at novero.com
Wed Jul 24 10:02:23 UTC 2013

I'm trying to build a ucLinux system for an ARM platform (no-MMU), but when trying to enabled elf2flt in the menuconfig I get the following error:

/home/buildroot-2013.05/output/build/host-binutils-2.21.1/bfd/libbfd.a(compress.o): In function `bfd_compress_section_contents':
compress.c:(.text+0x25): undefined reference to `compressBound'
/home//buildroot-2013.05/output/build/host-binutils-2.21.1/bfd/libbfd.a(compress.o): In function `bfd_get_full_section_contents':
compress.c:(.text+0x226): undefined reference to `inflateEnd'
compress.c:(.text+0x37a): undefined reference to `inflateInit_'
compress.c:(.text+0x3b0): undefined reference to `inflate'
compress.c:(.text+0x3bf): undefined reference to `inflateReset'
collect2: ld returned 1 exit status
make[1]: *** [elf2flt] Error 1
make[1]: Leaving directory `/home/buildroot-2013.05/output/toolchain/elf2flt'
make: *** [/home/buildroot-2013.05/output/toolchain/elf2flt/elf2flt] Error 2

It seems like it is missing libz? But I don't quite understand why, because I definitely have it installed on the system. Anyone ever seen this before?

I'm using the buildroot internal toolchain, uClibc-, gcc-4.7.3, linux-3.8, and this is buildroot-2013.05. I have attached my .config as well. My build host is Ubuntu 64-bit.

Thanks for any pointers.
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