Description:

extra-x86_64-build fails with:

/usr/bin/ld: picture.o: in function `camp::copyTransform3(double*&, double const*, GCPlacement)':
picture.cc:(.text+0x1e9): undefined reference to `GC_throw_bad_alloc()'
/usr/bin/ld: picture.o: in function `camp::picture::shipout(camp::picture*, std::__cxx11::basic_string<char, std::char_traits<char>, gc_allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, gc_allocator<char> > const&, bool, bool)':
picture.cc:(.text+0xb19a): undefined reference to `GC_throw_bad_alloc()'
/usr/bin/ld: picture.cc:(.text+0xb8c1): undefined reference to `GC_throw_bad_alloc()'
/usr/bin/ld: settings.o: in function `settings::build_longopts()':
settings.cc:(.text+0x50a): undefined reference to `GC_throw_bad_alloc()'
/usr/bin/ld: settings.o: in function `settings::stringArray(char const**)':
settings.cc:(.text+0x3e63): undefined reference to `GC_throw_bad_alloc()'
/usr/bin/ld: settings.o:settings.cc:(.text+0x3e72): more undefined references to `GC_throw_bad_alloc()' follow
collect2: error: ld returned 1 exit status
make: *** [Makefile:114: asy] Error 1
==> ERROR: A failure occurred in build().


Additional info:
* package version(s)
asymptote 2.47-1 (git revision ca3825d3dff7485ff27a1aea4b8b4e3db087282d)
* config and/or log files etc.
full log is attached

Steps to reproduce:
> git checkout ca3825d3dff7485ff27a1aea4b8b4e3db087282d
> cd asymptote/repos/extra-x86_64
> extra-x86_64-build