From 2abdeea4e78a28886e0cac38252b76016f069ca6 Mon Sep 17 00:00:00 2001
From: Rashad Kanavath <rashad.kanavath@c-s.fr>
Date: Fri, 29 Apr 2016 17:45:47 +0200
Subject: [PATCH] PKG: friendly error message in case PKG_STAGE_DIR is empty

---
 SuperBuild/Packaging/PackageHelper.cmake | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/SuperBuild/Packaging/PackageHelper.cmake b/SuperBuild/Packaging/PackageHelper.cmake
index fc8bda5206..d3785f9288 100644
--- a/SuperBuild/Packaging/PackageHelper.cmake
+++ b/SuperBuild/Packaging/PackageHelper.cmake
@@ -1,6 +1,10 @@
 macro(super_package)
   cmake_parse_arguments(PKG  "" "STAGE_DIR" "SEARCHDIRS" ${ARGN} )
 
+  if(${PKG_STAGE_DIR} STREQUAL "")
+    message(FATAL_ERROR "PKG_STAGE_DIR is emtpy. Just can't continue.")
+  endif()
+
   set(loader_program_PATHS)
   if(WIN32 OR CMAKE_CROSSCOMPILING)
       set(loader_program_names      "${MXE_ARCH}-w64-mingw32.shared-objdump")
-- 
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