[tlbuild] another round for tl18

[Ken Brown]

On 3/16/2018 5:22 PM, Karl Berry wrote:
> Hi everyone - I think it's time to do another round of builds for TL18.
> New version of dvisvgm and various other fixes have come in.  Still no
> new asy, so don't worry about that.
> 
> Post away if any questions/problem as always ... -k

I needed the following patch to make graphite build on Cygwin:

Index: Build/source/libs/graphite2/graphite2-src/src/inc/Main.h
===================================================================
--- Build/source/libs/graphite2/graphite2-src/src/inc/Main.h    (revision 47000)
+++ Build/source/libs/graphite2/graphite2-src/src/inc/Main.h    (working copy)
@@ -85,7 +85,7 @@
 #elif defined(__GNUC__) && (__GNUC__ >= 5) && !defined(__INTEL_COMPILER)
   #define HAVE_BUILTIN_OVERFLOW
 #endif
-#if defined(__has_include)
+#if defined(__has_include) && !defined(__CYGWIN__)
   #if __has_include(<intsafe.h>)
     #define HAVE_INTSAFE_H
   #endif

I've reported this upstream:

  https://github.com/silnrsi/graphite/issues/32

Ken