From 3a0c60d3bf8dab326e7dc409632a70ac63e358c1 Mon Sep 17 00:00:00 2001
From: Tom Hughes <tomtheengineer@gmail.com>
Date: Tue, 27 Mar 2012 21:43:35 +0200
Subject: [PATCH] Override topdir from rpm command line seems necessary on
 Amazon linux.

This modification should be harmless on other distro.
Signed-off-by: Eric NOULARD <eric.noulard@gmail.com>
---
 Modules/CPackRPM.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Modules/CPackRPM.cmake b/Modules/CPackRPM.cmake
index 442d7c41d..cba746fc5 100644
--- a/Modules/CPackRPM.cmake
+++ b/Modules/CPackRPM.cmake
@@ -899,6 +899,7 @@ IF(RPMBUILD_EXECUTABLE)
   # Now call rpmbuild using the SPECFILE
   EXECUTE_PROCESS(
     COMMAND "${RPMBUILD_EXECUTABLE}" -bb
+            --define "_topdir ${CPACK_RPM_DIRECTORY}"
             --buildroot "${CPACK_RPM_DIRECTORY}/${CPACK_PACKAGE_FILE_NAME}${CPACK_RPM_PACKAGE_COMPONENT_PART_PATH}"
             "${CPACK_RPM_BINARY_SPECFILE}"
     WORKING_DIRECTORY "${CPACK_TOPLEVEL_DIRECTORY}/${CPACK_PACKAGE_FILE_NAME}${CPACK_RPM_PACKAGE_COMPONENT_PART_PATH}"