共有ライブラリの作成(shared lib)
http://www.linux.or.jp/JF/JFdocs/Program-Library-HOWTO/shared-libraries.html
gcc -fPIC -g -c -Wall src.c
gcc -shared -Wl,-soname,your_soname \
-o library_name file_list library_list
http://www.linux.or.jp/JF/JFdocs/Program-Library-HOWTO/shared-libraries.html
gcc -fPIC -g -c -Wall src.c
gcc -shared -Wl,-soname,your_soname \
-o library_name file_list library_list