Get everything building again

.gitignore

@@ -2,3 +2,4 @@ test.c
 test.wasm
 test.js
 
+node_modules/

.gitmodules

@@ -0,0 +1,6 @@
+[submodule "emsdk"]
+	path = emsdk
+	url = https://github.com/emscripten-core/emsdk.git
+[submodule "mruby"]
+	path = mruby
+	url = https://github.com/mruby/mruby.git

Makefile

@@ -3,7 +3,13 @@ PHONY: test.js
 test.c: test.rb
 	mrbc -Btest test.rb
 
-test.js: test.wasm test.c
+mruby-build:
+	cd mruby && make
+
+patch-mruby:
+	cd mruby && cat ../mruby.patch | git apply
+
+test.js: mruby-build test.c
 	emcc -s WASM=1 -I mruby/include main.c mruby/build/emscripten/lib/libmruby.a -o test.js
 
 clean:

mruby.patch

@@ -0,0 +1,114 @@
+diff --git a/build_config.rb b/build_config.rb
+index 751317c7..9d84f761 100644
+--- a/build_config.rb
++++ b/build_config.rb
+@@ -125,6 +125,15 @@ MRuby::Build.new('test') do |conf|
+   conf.gembox 'default'
+ end
+
++MRuby::CrossBuild.new('emscripten') do |conf|
++  toolchain :clang
++  conf.gembox 'wasm'
++  conf.cc.command = 'emcc'
++  conf.cc.flags = %W(-Os)
++  conf.linker.command = 'emcc'
++  conf.archiver.command = 'emar'
++end
++
+ #MRuby::Build.new('bench') do |conf|
+ #  # Gets set by the VS command prompts.
+ #  if ENV['VisualStudioVersion'] || ENV['VSINSTALLDIR']
+diff --git a/mrbgems/wasm.gembox b/mrbgems/wasm.gembox
+new file mode 100644
+index 00000000..4aa8f0d2
+--- /dev/null
++++ b/mrbgems/wasm.gembox
+@@ -0,0 +1,88 @@
++MRuby::GemBox.new do |conf|
++  # Meta-programming features
++  conf.gem :core => "mruby-metaprog"
++
++  # Use standard Array#pack, String#unpack methods
++  conf.gem :core => "mruby-pack"
++
++  # Use standard Kernel#sprintf method
++  conf.gem :core => "mruby-sprintf"
++
++  # Use standard print/puts/p
++  conf.gem :core => "mruby-print"
++
++  # Use standard Math module
++  conf.gem :core => "mruby-math"
++
++  # Use standard Time class
++  conf.gem :core => "mruby-time"
++
++  # Use standard Struct class
++  conf.gem :core => "mruby-struct"
++
++  # Use Comparable module extension
++  conf.gem :core => "mruby-compar-ext"
++
++  # Use Enumerable module extension
++  conf.gem :core => "mruby-enum-ext"
++
++  # Use String class extension
++  conf.gem :core => "mruby-string-ext"
++
++  # Use Numeric class extension
++  conf.gem :core => "mruby-numeric-ext"
++
++  # Use Array class extension
++  conf.gem :core => "mruby-array-ext"
++
++  # Use Hash class extension
++  conf.gem :core => "mruby-hash-ext"
++
++  # Use Range class extension
++  conf.gem :core => "mruby-range-ext"
++
++  # Use Proc class extension
++  conf.gem :core => "mruby-proc-ext"
++
++  # Use Symbol class extension
++  conf.gem :core => "mruby-symbol-ext"
++
++  # Use Random class
++  conf.gem :core => "mruby-random"
++
++  # Use Object class extension
++  conf.gem :core => "mruby-object-ext"
++
++  # Use ObjectSpace class
++  conf.gem :core => "mruby-objectspace"
++
++  # Use Fiber class
++  conf.gem :core => "mruby-fiber"
++
++  # Use Enumerator class (require mruby-fiber)
++  conf.gem :core => "mruby-enumerator"
++
++  # Use Enumerator::Lazy class (require mruby-enumerator)
++  conf.gem :core => "mruby-enum-lazy"
++
++  # Use toplevel object (main) methods extension
++  conf.gem :core => "mruby-toplevel-ext"
++
++  # Generate mirb command
++  conf.gem :core => "mruby-bin-mirb"
++
++  # Generate mruby command
++  conf.gem :core => "mruby-bin-mruby"
++
++  # Generate mruby-strip command
++  conf.gem :core => "mruby-bin-strip"
++
++  # Use Kernel module extension
++  conf.gem :core => "mruby-kernel-ext"
++
++  # Use class/module extension
++  conf.gem :core => "mruby-class-ext"
++
++  # Use mruby-compiler to build other mrbgems
++  conf.gem :core => "mruby-compiler"
++end