Re: Strange build error

[Gary Thomas <gary@mlbassoc.com>]

On 2014-04-13 13:56, Khem Raj wrote:
> On Sun, Apr 13, 2014 at 6:59 AM, Gary Thomas <gary@mlbassoc.com> wrote:
>> I'm getting a strange build error when developing with some new packages:
>> | arm-amltd-linux-gnueabi-gcc  -march=armv6 -mthumb-interwork -mfloat-abi=softfp  -mfpu=vfp --sysroot=/local/rpi_2014-04-10/tmp/sysroots/raspberrypi  -O2 -pipe -g
>> -feliminate-unused-debug-types -I3rdparty/sparsehash -I3rdparty/utfcpp  -O2 -pipe -g -feliminate-unused-debug-types -fvisibility-inlines-hidden   -Wl,-O1 -Wl,--hash-style=gnu
>> -Wl,--as-needed Arpa2Fst.o util.o phonetisaurus-arpa2fst.cpp -o ../phonetisaurus-arpa2fst -lfst -ldl -lm -lrt
>> | /local/rpi_2014-04-10/tmp/sysroots/x86_64-linux/usr/libexec/armv6-vfp-amltd-linux-gnueabi/gcc/arm-amltd-linux-gnueabi/4.8.2/ld: util.o: undefined reference to symbol
>> '_ZSt20__throw_out_of_rangePKc@@GLIBCXX_3.4'
>> | /local/rpi_2014-04-10/tmp/sysroots/raspberrypi/usr/lib/libstdc++.so.6: error adding symbols: DSO missing from command line
>>
>> I tried building the same package(s) on my desktop but I don't
>> get this error.  It also doesn't seem to be target specific - I
>> tried building (using Yocto) for ARM and PowerPC - same thing.
>>
>> Since the error seems to be coming from the stdc++ library,
>> I'm at a loss of where to look for it or how to fix this.
>>
>> Any ideas?
> 
>  it seems your program is using exceptions for which you would require
> to link with
> C++ runtime.  one way is to use g++ to do the linking other option
> would be to add -lstdc++ to linker codlin
> but that may not be sufficient.

That was it - their makefile was using $(CC) when it should have
been using $(CXX)

Thanks

-- 
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Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
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