From c6a002096440f2401335cd644dde7f63376f3edc Mon Sep 17 00:00:00 2001
From: maier <maier@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Fri, 16 May 2014 12:02:21 +0000
Subject: [PATCH] CMake: Bugfix: Detect empty variables...

git-svn-id: https://svn.dealii.org/trunk@32922 0785d39b-7218-0410-832d-ea1e28bc413d
---
 deal.II/cmake/macros/macro_deal_ii_package_handle.cmake | 4 ++--
 deal.II/cmake/modules/FindZLIB.cmake                    | 6 ++----
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/deal.II/cmake/macros/macro_deal_ii_package_handle.cmake b/deal.II/cmake/macros/macro_deal_ii_package_handle.cmake
index 3c7a0a5449..0038aa9229 100644
--- a/deal.II/cmake/macros/macro_deal_ii_package_handle.cmake
+++ b/deal.II/cmake/macros/macro_deal_ii_package_handle.cmake
@@ -103,9 +103,9 @@ MACRO(DEAL_II_PACKAGE_HANDLE _feature _var)
           LIST(APPEND _clear ${_arg})
         ENDIF()
       ELSE()
-        IF("${_arg}" STREQUAL "" OR ${_arg} MATCHES "-NOTFOUND")
+        IF("${${_arg}}" MATCHES "^\\s*$" OR "${${_arg}}" MATCHES "-NOTFOUND")
           IF(_required AND _fine)
-            IF("${_arg}" STREQUAL "")
+            IF("${${_arg}}" MATCHES "^\\s*$")
               MESSAGE(STATUS
                 "  ${_feature}_${_variable}: *** Required variable \"${_arg}\" empty ***"
                 )
diff --git a/deal.II/cmake/modules/FindZLIB.cmake b/deal.II/cmake/modules/FindZLIB.cmake
index d9022891b8..a3ecfe357d 100644
--- a/deal.II/cmake/modules/FindZLIB.cmake
+++ b/deal.II/cmake/modules/FindZLIB.cmake
@@ -41,11 +41,9 @@ FIND_PACKAGE(ZLIB)
 LIST(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/modules/)
 
 SET(ZLIB_VERSION ${ZLIB_VERSION_STRING})
-SET(_zlib_libraries ${ZLIB_LIBRARIES})
-SET(_zlib_include_dirs ${ZLIB_INCLUDE_DIRS})
 
 DEAL_II_PACKAGE_HANDLE(ZLIB
-  LIBRARIES REQUIRED _zlib_libraries
-  INCLUDE_DIRS REQUIRED _zlib_include_dirs
+  LIBRARIES REQUIRED ZLIB_LIBRARY
+  INCLUDE_DIRS REQUIRED ZLIB_INCLUDE_DIR
   CLEAR ZLIB_INCLUDE_DIR ZLIB_LIBRARY
   )
-- 
2.39.5