[cmake] Add patch to fix FindPythonLibs issues (bug #876118)

[Orion Poplawski]

commit f5ec53abcc5d61a6cc9073911c1e401c7f8b0ff6
Author: Orion Poplawski <orion at nwra.com>
Date:   Wed Aug 28 11:00:53 2013 -0600

    Add patch to fix FindPythonLibs issues (bug #876118)

 cmake-FindPythonLibs.patch |   29 +++++++++++++++++++++++++++++
 cmake.spec                 |   10 +++++++++-
 2 files changed, 38 insertions(+), 1 deletions(-)
---
diff --git a/cmake-FindPythonLibs.patch b/cmake-FindPythonLibs.patch
new file mode 100644
index 0000000..1433d3f
--- /dev/null
+++ b/cmake-FindPythonLibs.patch
@@ -0,0 +1,29 @@
+diff -rupN cmake/Modules/FindPythonLibs.cmake new/Modules/FindPythonLibs.cmake
+--- cmake/Modules/FindPythonLibs.cmake	2013-04-12 14:09:08.470669049 -0500
++++ new/Modules/FindPythonLibs.cmake	2013-04-12 15:41:15.789496153 -0500
+@@ -69,10 +69,21 @@ endif()
+ 
+ # Set up the versions we know about, in the order we will search. Always add
+ # the user supplied additional versions to the front.
+-set(_Python_VERSIONS
+-  ${Python_ADDITIONAL_VERSIONS}
+-  ${_PYTHON_FIND_OTHER_VERSIONS}
+-  )
++# If FindPythonInterp has already found the major and minor version, 
++# insert that version between the user supplied versions and the stock
++# version list. 
++if(DEFINED PYTHON_VERSION_MAJOR AND DEFINED PYTHON_VERSION_MINOR)
++  set(_Python_VERSIONS
++    ${Python_ADDITIONAL_VERSIONS}
++    ${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}
++    ${_PYTHON_FIND_OTHER_VERSIONS}
++    )
++else()
++  set(_Python_VERSIONS
++    ${Python_ADDITIONAL_VERSIONS}
++    ${_PYTHON_FIND_OTHER_VERSIONS}
++    )
++endif()
+ 
+ unset(_PYTHON_FIND_OTHER_VERSIONS)
+ unset(_PYTHON1_VERSIONS)
diff --git a/cmake.spec b/cmake.spec
index f02ed9d..c893958 100644
--- a/cmake.spec
+++ b/cmake.spec
@@ -13,7 +13,7 @@
 
 Name:           cmake
 Version:        2.8.12
-Release:        0.1.rc1%{?dist}
+Release:        0.2.rc1%{?dist}
 Summary:        Cross-platform make system
 
 Group:          Development/Tools
@@ -38,6 +38,10 @@ Patch2:         cmake-findruby.patch
 # https://bugzilla.redhat.com/show_bug.cgi?id=828467
 # http://public.kitware.com/Bug/view.php?id=13378
 Patch3:         cmake-FindPostgreSQL.patch
+# Fix issue with finding consistent python versions
+# http://public.kitware.com/Bug/view.php?id=13794
+# https://bugzilla.redhat.com/show_bug.cgi?id=876118
+Patch4:         cmake-FindPythonLibs.patch
 # Add FindLua52.cmake
 Patch5:		cmake-2.8.11-rc4-lua-5.2.patch
 # Add -fno-strict-aliasing when compiling cm_sha2.c
@@ -98,6 +102,7 @@ The %{name}-gui package contains the Qt based GUI for CMake.
 %patch1 -p1
 %patch2 -p1
 %patch3 -p1
+%patch4 -p1
 %patch5 -p1
 %patch6 -p1
 %patch7 -p1
@@ -197,6 +202,9 @@ update-mime-database %{_datadir}/mime &> /dev/null || :
 
 
 %changelog
+* Wed Aug 28 2013 Orion Poplawski <orion at cora.nwra.com> - 2.8.12-0.2.rc1
+- Add patch to fix FindPythonLibs issues (bug #876118)
+
 * Mon Aug 26 2013 Orion Poplawski <orion at cora.nwra.com> - 2.8.12-0.1.rc1
 - Update to 2.8.12-rc1
 - Drop ImageMagick patch - not needed