X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=includes%2FStg.h;h=35f4eda63141ec0d0950461abf9fcf3534b54220;hb=b0ca990457eaf7991e72b13d0040d937b5759b36;hp=7f37783f4a6573f45b5ca496828042e1658cd002;hpb=4d33815f010cca43af60e921bdc9f5963d09a1ea;p=ghc-hetmet.git

diff --git a/includes/Stg.h b/includes/Stg.h
index 7f37783..35f4eda 100644
--- a/includes/Stg.h
+++ b/includes/Stg.h
@@ -31,6 +31,9 @@
  */
 #ifndef IN_STG_CODE
 # define IN_STG_CODE 1
+# define _ISOC99_SOURCE
+// Turn on C99 for .hc code.  This gives us the INFINITY and NAN
+// constants from math.h, which we occasionally need to use in .hc (#1861)
 #endif
 
 #if IN_STG_CODE == 0