[Debian-med-packaging] Bug#853656: Help needed with gcc-7 error

[James Cowgill]

Hi,

On 27/08/17 14:40, Andreas Tille wrote:
> Hi,
> 
> when trying to build sga it results in an error:
> 
> ...
> g++ -DHAVE_CONFIG_H -I. -I..  -I../Bigraph -I../Thirdparty -Wdate-time -D_FORTIFY_SOURCE=2 -fopenmp  -I/usr//include -I/usr//include/bamtools -Wall -Wextra  -Wno-unknown-pragmas -std=c++98 -O3 -c -o libutil_a-VariantIndex.o `test -f 'VariantIndex.cpp' || echo './'`VariantIndex.cpp
> VariantIndex.cpp: In member function 'VariantRecordVector VariantIndex::getNearVariants(const string&, int, int) const':
> VariantIndex.cpp:89:46: error: call of overloaded 'abs(long unsigned int)' is ambiguous
>              if(abs(record.position - position) < distance)
>                                               ^

In C++11, you cannot call abs on an unsigned integer (which makes no
sense anyway). Probably "record.position" needs casting to a signed type
(like long).

Thanks,
James

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