From: Nobuyoshi Nakada Date: 2007-09-06T10:52:35+09:00 Subject: Re: Ruby C extension problems mingw, missing symbols? Hi, At Thu, 6 Sep 2007 08:39:25 +0900, Conan Rubymanjaro wrote in [ruby-talk:267817]: > ./alignment.so: 127: The specified procedure could not be found. - > Init_alignment.so > g++ alignment.cpp -shared -o alignment.so You use C++ compiler. Symbols in C++ object files are mangled unless they are marked extern "C". Try `nm --extern-only --defined-only alignment.so | grep Init_alignment'. -- Nobu Nakada