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-rw-r--r--Build/source/texk/kpathsea/types.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/Build/source/texk/kpathsea/types.h b/Build/source/texk/kpathsea/types.h
index b2c15a1fdd1..f62906dec0b 100644
--- a/Build/source/texk/kpathsea/types.h
+++ b/Build/source/texk/kpathsea/types.h
@@ -1,6 +1,6 @@
/* types.h: general types for kpathsea.
- Copyright 1993, 1995, 1996, 2005, 2008-2014, 2016 Karl Berry.
+ Copyright 1993, 1995, 1996, 2005, 2008-2014, 2016, 2019 Karl Berry.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
@@ -21,7 +21,10 @@
/* Our string, boolean, etc. */
#include <kpathsea/simpletypes.h>
-/* Required until all programs use the new API, if ever. */
+/* Required forever for any normal build, since we will never want to
+ remove the original interface. But to check that a program
+ only uses the new-style declarations, that is, is thread-safe,
+ could be useful to undefine. */
#define KPSE_COMPAT_API 1
#include <stdio.h> /* for FILE* */