From 271e03f089999d01860b6fcac35505f8a539884e Mon Sep 17 00:00:00 2001
From: Alexander Smorkalov <alexander.smorkalov@itseez.com>
Date: Tue, 10 May 2016 14:55:52 +0200
Subject: [PATCH] CPack/Deb per-component package architecture

Allowed to set per-compoment Debian package architecture.
Useful, if you distribute documentation (should have
"all architecture").
---
 Modules/CPackDeb.cmake | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Modules/CPackDeb.cmake b/Modules/CPackDeb.cmake
index 5ceb30bbf..227e1b1b5 100644
--- a/Modules/CPackDeb.cmake
+++ b/Modules/CPackDeb.cmake
@@ -52,6 +52,7 @@
 #
 #
 # .. variable:: CPACK_DEBIAN_PACKAGE_ARCHITECTURE
+#               CPACK_DEBIAN_<COMPONENT>_PACKAGE_ARCHITECTURE
 #
 #  The Debian package architecture
 #
@@ -654,7 +655,9 @@ function(cpack_deb_prepare_package_vars)
   endif()
 
   # Architecture: (mandatory)
-  if(NOT CPACK_DEBIAN_PACKAGE_ARCHITECTURE)
+  if(CPACK_DEB_PACKAGE_COMPONENT AND CPACK_DEBIAN_${_local_component_name}_PACKAGE_ARCHITECTURE)
+    set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE "${CPACK_DEBIAN_${_local_component_name}_PACKAGE_ARCHITECTURE}")
+  elseif(NOT CPACK_DEBIAN_PACKAGE_ARCHITECTURE)
     # There is no such thing as i686 architecture on debian, you should use i386 instead
     # $ dpkg --print-architecture
     find_program(DPKG_CMD dpkg)