This is the same as https://golang.org/cl/154120043 Since the file textflag.h is not available on Go 1.3, the macros defined in textflag.h are replaced with their respective value. Fixes golang/go#11448 Change-Id: I0d4aed67b7afe50d8e4e88915edd2cefeac4cc96 Reviewed-on: https://go-review.googlesource.com/12033 Reviewed-by: Ian Lance Taylor <iant@golang.org>