Update GCC flag detection macros.

Monotone-Parent: 87ff1ebaf67dc2bff7f47939ead2a5bbf735e9ff
Monotone-Revision: 2380d20f57c79b08855202837a1d70699c447a2a
Fix linker flag handling.

Monotone-Parent: 2380d20f57c79b08855202837a1d70699c447a2a
Monotone-Revision: 8a1e564476d4bcf4985ee6137f490fc1508f0c49
Update Boost detection.

Monotone-Parent: 8a1e564476d4bcf4985ee6137f490fc1508f0c49
Monotone-Revision: b155eebe7940d5296404fb6c05241c1ec1313e1f
Update to new Boost Filesystem API.

Monotone-Parent: b155eebe7940d5296404fb6c05241c1ec1313e1f
Monotone-Revision: 08b2c0051f5df168f31df061568ee11340e9f98f
Fix argument-dependent lookup bug in ITL.

Monotone-Parent: 08b2c0051f5df168f31df061568ee11340e9f98f
Monotone-Revision: 2b5c1f43d6f328d52894c4f5f7ec1f8ff80f7a26
Fix argument-dependent lookup issues in Matrix and Vector classes.

Monotone-Parent: 2b5c1f43d6f328d52894c4f5f7ec1f8ff80f7a26
Monotone-Revision: d4349837ae469c1e63e543a15498fe9c96060f62
Update Autotools files.

Monotone-Parent: d4349837ae469c1e63e543a15498fe9c96060f62
Monotone-Revision: f9524475881cb1881885a18e19dacb6bacb637b1
Fix helper function ordering issue.

Monotone-Parent: f9524475881cb1881885a18e19dacb6bacb637b1
Monotone-Revision: 87465418e746a4dfe4862234333b4bed013a8e14
Link against Boost system library.

Monotone-Parent: 87465418e746a4dfe4862234333b4bed013a8e14
Monotone-Revision: 9bb72d626aaedc065313de8585d8340a041d7361
Fix more ADL issues in ITL.

Monotone-Parent: 9bb72d626aaedc065313de8585d8340a041d7361
Monotone-Revision: 25998a2c4e61d05a1cc394f7a6a4cf4482b99f21