py27-matplotlib fails to build with clang (Xcode 4.2)

[rex4539 (Dimitris Apostolou)]

:info:build In file included from src/backend_agg.cpp:9:
:info:build In file included from src/_backend_agg.h:32:
:info:build agg24/include/agg_renderer_outline_aa.h:1368:45: error: binding of reference to type 'agg::line_profile_aa' to a value of type 'const agg::line_profile_aa' drops qualifiers
:info:build         line_profile_aa& profile() { return *m_profile; }
:info:build                                             ^~~~~~~~~~
:info:build 1 error generated.
:info:build error: command '/Developer/usr/bin/clang' failed with exit status 1

[skymoo (Adam Mercer)]

I don't have access to Xcode-4.2, so I doubt I can look into this until it's been released to the public. You could try asking upstream? Patches are welcome.

Sorry for the delay but I've been travelling and then my machine was in for repair.

[skymoo (Adam Mercer)]

As Xcode-4.2 has been released I upgraded and py27-matplotlib built without issue. I noticed that the compiler used was still llvm-gcc-4.2 and not clang. Did you do something specific to select clang?

[rex4539 (Dimitris Apostolou)]

Still fails here and seems to use Clang by default.

Even if I try force to compile with gcc with a command like:

sudo port install py27-matplotlib configure.compiler=gcc-4.2 configure.cc=gcc-4.2 configure.cxx=g++-4.2 configure.objc=cpp-4.2

Attaching new log.

[skymoo (Adam Mercer)]

has duplicate, #31608