From b196ee12c098a6cc069c48bc7b9cb720fa3caf6a Mon Sep 17 00:00:00 2001
From: Dimitri Stolnikov <horiz0n@gmx.net>
Date: Mon, 22 Jul 2013 20:05:24 +0200
Subject: [PATCH] cmake: require Python v2 for build configuration

based on a gnuradio patch by Jiri Pinkava
http://gnuradio.org/cgit/gnuradio.git/commit/?id=8144572532b8bfa37af01e1264a334d2a898ea8d
---
 CMakeLists.txt               | 2 +-
 cmake/Modules/GrPython.cmake | 4 ++--
 cmake/Modules/GrSwig.cmake   | 2 +-
 swig/CMakeLists.txt          | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 644cc88..14b7ffe 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -199,7 +199,7 @@ add_custom_target(uninstall
 ########################################################################
 # Enable python component
 ########################################################################
-find_package(PythonLibs)
+find_package(PythonLibs 2)
 find_package(SWIG)
 
 if(SWIG_FOUND)
diff --git a/cmake/Modules/GrPython.cmake b/cmake/Modules/GrPython.cmake
index 791114e..26a5c94 100644
--- a/cmake/Modules/GrPython.cmake
+++ b/cmake/Modules/GrPython.cmake
@@ -36,11 +36,11 @@ if(PYTHON_EXECUTABLE)
 else(PYTHON_EXECUTABLE)
 
     #use the built-in find script
-    find_package(PythonInterp)
+    find_package(PythonInterp 2)
 
     #and if that fails use the find program routine
     if(NOT PYTHONINTERP_FOUND)
-        find_program(PYTHON_EXECUTABLE NAMES python python2.7 python2.6 python2.5)
+        find_program(PYTHON_EXECUTABLE NAMES python python2 python2.7 python2.6 python2.5)
         if(PYTHON_EXECUTABLE)
             set(PYTHONINTERP_FOUND TRUE)
         endif(PYTHON_EXECUTABLE)
diff --git a/cmake/Modules/GrSwig.cmake b/cmake/Modules/GrSwig.cmake
index 8cf1265..f907a51 100644
--- a/cmake/Modules/GrSwig.cmake
+++ b/cmake/Modules/GrSwig.cmake
@@ -127,7 +127,7 @@ macro(GR_SWIG_MAKE name)
     endif()
 
     #append additional include directories
-    find_package(PythonLibs)
+    find_package(PythonLibs 2)
     list(APPEND GR_SWIG_INCLUDE_DIRS ${PYTHON_INCLUDE_PATH}) #deprecated name (now dirs)
     list(APPEND GR_SWIG_INCLUDE_DIRS ${PYTHON_INCLUDE_DIRS})
 
diff --git a/swig/CMakeLists.txt b/swig/CMakeLists.txt
index e963206..c520ff2 100644
--- a/swig/CMakeLists.txt
+++ b/swig/CMakeLists.txt
@@ -21,7 +21,7 @@
 # Include swig generation macros
 ########################################################################
 find_package(SWIG)
-find_package(PythonLibs)
+find_package(PythonLibs 2)
 if(NOT SWIG_FOUND OR NOT PYTHONLIBS_FOUND)
     return()
 endif()