--- a/build_config/android-termux.rb
+++ b/build_config/android-termux.rb
@@ -0,0 +1,13 @@
+MRuby::CrossBuild.new('android-termux') do |conf|
+  params = {
+    :toolchain => :clang,
+  }
+  toolchain :android, params
+
+  conf.cc.command = ENV['CC_FOR_TARGET'] || 'clang'
+  conf.cc.flags << ENV['CFLAGS_FOR_TARGET'] || ''
+  conf.linker.command = conf.cc.command
+  conf.linker.flags << ENV['LDFLAGS_FOR_TARGET'] || ''
+
+  conf.gembox 'default'
+end