2 files changed, 7 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 04b85284..b614358f 100755
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2018-09-23         Steven Packard        <spackard1@bloomberg.net>
+
+	* awk.h: Add `#if !defined(__SUNPRO_C)' around check for non-ANSI
+	compilers.  Needed for some Solaris systems.
+
 2018-09-21         Arnold D. Robbins     <arnold@skeeve.com>
 
 	* re.c (make_regexp): Handle backslash at end of
diff --git a/awk.h b/awk.h
index 1051036f..4de6cfc8 100644
--- a/awk.h
+++ b/awk.h
@@ -65,9 +65,11 @@
 #endif /* LOCALEDIR */
 #endif
 
+#if !defined(__SUNPRO_C)
 #if !defined(__STDC__) || __STDC__ < 1
 #error "gawk no longer supports non-C89 environments (no __STDC__ or __STDC__ < 1)"
 #endif
+#endif
 
 #if defined(HAVE_STDARG_H)
 #include <stdarg.h>