Support VC6 for compilation.
Support VC6 for compilation.

Abstracted 'dlltool' to be able to generate import
library (.lib) from any compiler (MinGW, cross-platform or
even Visual C).

yoshimoto/sqlite3-ruby,schuyler/sqlite3-ruby,alexdowad/sqlite3-ruby,schuyler/sqlite3-ruby,yoshimoto/sqlite3-ruby,duhlin/sqlite3-ruby,duhlin/sqlite3-ruby,schuyler/sqlite3-ruby,AutogrowSystems/sqlite3-ruby,alexdowad/sqlite3-ruby,simplegeo/sqlite3-ruby,simplegeo/sqlite3-ruby,AutogrowSystems/sqlite3-ruby