From be0b4ef66576d66fb41c34552192e627b9dd3b86 Mon Sep 17 00:00:00 2001
From: Mark Wooding <mdw@distorted.org.uk>
Date: Sun, 13 Aug 2017 18:36:04 +0100
Subject: [PATCH] bin/mdw-sbuild-server: Keep track of the target CPU
 architectures.

Nothing needs this yet, but it'll be handy soon.
---
 bin/mdw-sbuild-server | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/bin/mdw-sbuild-server b/bin/mdw-sbuild-server
index d04f5a2..1ac507f 100755
--- a/bin/mdw-sbuild-server
+++ b/bin/mdw-sbuild-server
@@ -171,6 +171,7 @@ case "$#,$1" in
     unset first rest; anyp=nil depp=nil allp=nil
     wantarchs=$(sed -n '/^[Aa]rchitecture:/ s/^[^:]*: *//p' "$dsc")
     : ${wantarchs:=any}
+    unset buildarchs buildarchs_seen=:
 
     ## Work through the available targets assigning builds to them.  This is
     ## actually a little tricky.
@@ -182,6 +183,14 @@ case "$#,$1" in
 	*/*) target=${archs%/*} host=${archs#*/} ;;
 	*) target=$archs host=$archs; t=$suite-$target/$host ;;
       esac
+      case $buildarchs_seen in
+	*:$target:*)
+	  ;;
+	*)
+	  buildarchs=${buildarchs+$buildarchs }$target
+	  buildarchs_seen=$buildarchs_seen$target:
+	  ;;
+      esac
 
       ## Work through the architectures which we can build.
       for arch in $wantarchs; do
-- 
2.11.0