--- a/.gitignore	Wed Aug 14 16:55:33 2019 +0900
+++ b/.gitignore	Thu Feb 13 15:10:13 2020 +0900
@@ -22,7 +22,7 @@
 .DS_store
 
 # Nested build directory
-/build
+/build*
 
 #==============================================================================#
 # Explicit files to ignore (only matches one).
@@ -45,40 +45,12 @@
 /CMakeSettings.json
 # CLion project configuration
 /.idea
-# Qt Creator project configuration
-/CMakeLists.txt.user
 
 #==============================================================================#
 # Directories to ignore (do not add trailing '/'s, they skip symlinks).
 #==============================================================================#
-# External projects that are tracked independently.
-projects/*
-!projects/*.*
-!projects/Makefile
-runtimes/*
-!runtimes/*.*
-# Clang, which is tracked independently.
-tools/clang
-# LLDB, which is tracked independently.
-tools/lldb
-# lld, which is tracked independently.
-tools/lld
-# llgo, which is tracked independently.
-tools/llgo
-# Polly, which is tracked independently.
-tools/polly
-# avrlit, which is tracked independently.
-tools/avrlit
-# Sphinx build tree, if building in-source dir.
-docs/_build
 # VS2017 and VSCode config files.
 .vscode
 .vs
 # clangd index
 .clangd
-
-#==============================================================================#
-# Files created in tree by the Go bindings.
-#==============================================================================#
-bindings/go/llvm/llvm_config.go
-bindings/go/llvm/workdir