From 2d3e973d67e79f3d7518241e59f0894c6e33b453 Mon Sep 17 00:00:00 2001
From: Tony Cook <tony@develop-help.com>
Date: Thu, 2 Nov 2023 15:20:33 +1100
Subject: [PATCH] sun/oracle workshop c99: allow for trailing zero size arrays

Encountered while testing -O1 with the workshop compiler on
Oracle Linux, follows the same test and workaround done in
hints/solaris_2.sh
---
 hints/linux.sh | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/hints/linux.sh b/hints/linux.sh
index b3cd322dc805..a3e476e4f6a9 100644
--- a/hints/linux.sh
+++ b/hints/linux.sh
@@ -125,6 +125,15 @@ case "`${cc:-cc} -V 2>&1`" in
     d_attribute_pure='undef'
     d_attribute_unused='undef'
     d_attribute_warn_unused_result='undef'
+    case "$cc" in
+    *c99)   # Without -Xa c99 errors on some Linux system headers
+            # in particular zero sized arrays at the end of structs
+	    case "$ccflags" in
+		*-Xa*)	;;
+		*) ccflags="$ccflags -Xa" ;;
+	    esac
+	    ;;
+    esac
     ;;
 esac