Error in instalation - gflags.h

[Rogerio Atem de Carvalho]

Hi,

I am installing on Ubuntu 10.04, and first I've got an error related to the hash library, solved after installing sparsehash-2.0.2.
Now I am getting the "gflags.h error" below. How can I proceed?
(I know that that people posted the same error on the project page, but I couldn't get any solution)

Thanks on advance.

In file included from src/base/logging.h:20,
                 from src/constraint_solver/alldiff_cst.cc:22:
src/base/commandlineflags.h:17:27: error: gflags/gflags.h: Arquivo ou diretório não encontrado
In file included from src/constraint_solver/alldiff_cst.cc:22:
src/base/logging.h:23: error: expected constructor, destructor, or type conversion before ‘(’ token
src/base/logging.h:24: error: expected constructor, destructor, or type conversion before ‘(’ token
src/base/logging.h: In constructor ‘LogMessage::LogMessage(const char*, int)’:
src/base/logging.h:88: error: ‘FLAGS_log_prefix’ was not declared in this scope
make: ** [objs/alldiff_cst.o] Erro 1

[Laurent Perron]

Did you run the make third_party command as described in the getting started?

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[Rogerio Atem de Carvalho]

Oh, shame on me, I thought it was only for Mac users, I am doing it right now.
Thanks!

[Laurent Perron]

Don't forget to delete Makefile.local. it should be recreated automatically.

Thanks

[Rogerio Atem de Carvalho]

Hi again,
everything went fine, but when I make all:
src/constraint_solver/routing.cc:2236: error: ‘atan2’ is not a member of ‘std’
Any hint?

Thanks in advance

[Laurent Perron]

Old version of GCC maybe.
Can you upgrade tout ubuntu 12.04?

[Rogerio Atem de Carvalho]

Uh, I see, I will upgrade.
Thanks one more time.