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Re: [Libunwind-devel] compile error on ARM
From: |
Sven Neumann |
Subject: |
Re: [Libunwind-devel] compile error on ARM |
Date: |
Thu, 30 Jun 2011 11:54:31 +0200 |
On Thu, 2011-06-30 at 11:37 +0200, Sven Neumann wrote:
> Now the compilation breaks in the 'tests' directory:
>
> Making all in tests
> make[2]: Entering directory
> `/home/sven/git/buildroot/output/build/libunwind-e09f970/tests'
> /bin/bash ../libtool --tag=CC --mode=link
> /home/sven/git/buildroot/output/host/usr/bin/arm-unknown-linux-uclibcgnueabi-gcc
> -O2 -pipe -O2 -g1 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
> -D_FILE_OFFSET_BITS=64 -fexceptions -Wall -Wsign-compare -o test-varargs
> test-varargs.o
> /bin/bash ../libtool --tag=CC --mode=link
> /home/sven/git/buildroot/output/host/usr/bin/arm-unknown-linux-uclibcgnueabi-gcc
> -O2 -pipe -O2 -g1 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
> -D_FILE_OFFSET_BITS=64 -fexceptions -Wall -Wsign-compare -o Lperf-trace
> Lperf-trace.o ../src/libunwind.la
> libtool: link:
> /home/sven/git/buildroot/output/host/usr/bin/arm-unknown-linux-uclibcgnueabi-gcc
> -O2 -pipe -O2 -g1 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
> -D_FILE_OFFSET_BITS=64 -fexceptions -Wall -Wsign-compare -o test-varargs
> test-varargs.o
> test-varargs.o: In function `a':
> test-varargs.c:(.text+0x60): undefined reference to `backtrace'
> collect2: ld returned 1 exit status
OK, that's because our copy of uCLibC did not include support for the
backtrace function. Not sure if you might want to check for that in the
configure script or not...
Sven