Fix FindPkgConfig when no minimum version has been set.

* Fix FindPkgConfig when no minimum version has been set.
  - FindPkgConfig_remove_variable_dereference.patch

debian/changelog

@@ -5,6 +5,8 @@ cmake (3.3.2-1) UNRELEASED; urgency=medium
   * Make compiler feature testing more reliable.
     - Fixes testsuite failure on alpha. (Closes: #789807)
     - Features_Extract_strings_from_test_binary_more_reliably.patch
+  * Fix FindPkgConfig when no minimum version has been set.
+    - FindPkgConfig_remove_variable_dereference.patch
 
  -- Felix Geyer <fgeyer@debian.org>  Fri, 04 Sep 2015 17:12:34 +0200
 

debian/patches/FindPkgConfig_remove_variable_dereference.patch

@@ -0,0 +1,39 @@
+From b9ec9392da21a3421e48c6961976060d872faffb Mon Sep 17 00:00:00 2001
+From: Rolf Eike Beer <eike@sf-mail.de>
+Date: Tue, 18 Aug 2015 12:14:43 +0200
+Subject: [PATCH] FindPkgConfig: remove variable dereference
+
+If CMAKE_MINIMUM_REQUIRED_VERSION is not set because no
+cmake_minimum_required() call is present this line can lead to an error as that
+string is empty so too few arguments are passed to if():
+
+See also "/var/tmp/paludis/build/kde-krdc-15.08.0/work/build/CMakeFiles/CMakeOutput.log".
+See also "/var/tmp/paludis/build/kde-krdc-15.08.0/work/build/CMakeFiles/CMakeError.log".
+CMake Error at /usr/share/cmake/Modules/FindPkgConfig.cmake:112 (elseif):
+  given arguments:
+
+    "VERSION_LESS" "3.1"
+
+  Unknown arguments specified
+Call Stack (most recent call first):
+  /usr/share/cmake/Modules/FindPkgConfig.cmake:501 (_pkgconfig_parse_options)
+  /usr/share/cmake/Modules/FindOpenSSL.cmake:43 (pkg_check_modules)
+---
+ Modules/FindPkgConfig.cmake |    2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Modules/FindPkgConfig.cmake b/Modules/FindPkgConfig.cmake
+index 526a62e..ae6903e 100644
+--- a/Modules/FindPkgConfig.cmake
++++ b/Modules/FindPkgConfig.cmake
+@@ -109,7 +109,7 @@ macro(_pkgconfig_parse_options _result _is_req _is_silent _no_cmake_path _no_cma
+       set(${_no_cmake_path} 1)
+       set(${_no_cmake_environment_path} 1)
+     endif()
+-  elseif(${CMAKE_MINIMUM_REQUIRED_VERSION} VERSION_LESS 3.1)
++  elseif(CMAKE_MINIMUM_REQUIRED_VERSION VERSION_LESS 3.1)
+     set(${_no_cmake_path} 1)
+     set(${_no_cmake_environment_path} 1)
+   endif()
+-- 
+1.7.10.4

debian/patches/series

@@ -5,3 +5,4 @@ FindJNI.cmake.mips.patch
 fix-hdf5-hl.patch
 FindJNI-Add-support-for-x32-architecture-on-Linux.patch
 Features_Extract_strings_from_test_binary_more_reliably.patch
+FindPkgConfig_remove_variable_dereference.patch