add .gitignore

.gitignore

@@ -0,0 +1,46 @@
+*.a
+*.dll
+*.exe
+*.ilk
+*.la
+*.lo
+*.log
+*.o
+*.obj
+*.os
+*.pc
+*.pdb
+*.pyc
+*.pyo
+*.so
+*.so.*
+*.sw[a-z]
+*.tar
+*.tar.bz2
+*.tar.gz
+*.trs
+*.zip
+*~
+depend
+depend.bak
+bin/ltmain.sh
+lib
+lib64
+configure
+configure.lineno
+autom4te.cache
+aclocal.m4
+config.log
+config.status
+cscope*
+.scon*
+config.py
+build
+libtool
+manifest.txt
+.dir-locals.el
+.deps/
+.dirstamp
+.libs/
+Makefile
+Makefile.in