show build progress - close #98

build_tests/typical/multiple_environments.rb

@@ -0,0 +1,12 @@
+build do
+  Environment.new do |env|
+    env["CPPPATH"] += glob("src/**")
+    env.Program("^/prog.exe", glob("src/**/*.c"))
+  end
+
+  Environment.new do |env|
+    env["CPPPATH"] += glob("src/**")
+    env["CCFLAGS"] += %w[-Wall -g]
+    env.Program("^/prog-debug.exe", glob("src/**/*.c"))
+  end
+end