Cmake build: Replace use of deprecated module PythonInterp

Use find_package(Pytnon2 ..) and find_package(Python3 ...) instead

Patch from Patrick (pdvisschere@edpnet.be)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 779d9e932d924aec625621b23d6bae33418f8594..52290e8e36d4c352bcc7363def7fb6fadc81483f 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -792,17 +792,18 @@ unset(LYX_PYTHON_EXECUTABLE CACHE)
 unset(PYTHON_VERSION_MAJOR)
 unset(PYTHON_VERSION_MINOR)
 unset(PYTHON_VERSION_STRING)
-find_package(PythonInterp 3.5 QUIET)
-if(NOT PYTHONINTERP_FOUND)
+find_package(Python3 3.5 QUIET)
+if(NOT Python3_Interpreter_FOUND)
   unset(PYTHON_EXECUTABLE CACHE)
-  find_package(PythonInterp 2.0 REQUIRED)
+  find_package(Python2 2.0 REQUIRED)
   if(NOT PYTHON_VERSION_STRING VERSION_LESS 2.8)
     message(FATAL_ERROR "Python interpreter found, but is not suitable")
   endif()
+  set(LYX_PYTHON_EXECUTABLE ${Python2_EXECUTABLE} CACHE FILEPATH "Python to be used by LyX")
+else()
+  set(LYX_PYTHON_EXECUTABLE ${Python3_EXECUTABLE} CACHE FILEPATH "Python to be used by LyX")
 endif()
 
-set(LYX_PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE} CACHE FILEPATH "Python to be used by LyX")
-
 if(LYX_NLS)
        find_package(LyXGettext)
        if(LYX_PYTHON_EXECUTABLE AND GETTEXT_FOUND)