Description: Use Python 3 for build scripts

Author: Rebecca N. Palmer <rebecca_palmer@zoho.com>
Bug-Debian: https://bugs.debian.org/936870
Forwarded: no

--- a/Makefile
+++ b/Makefile
@@ -54,4 +54,4 @@ install-relc: relc
 	(cd Release && ${SUDO} make install)
 
 py: Makefile.conf
-	python setup.py build_ext --inplace
+	python3 setup.py build_ext --inplace
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -10,13 +10,13 @@ include_directories("${CMAKE_CURRENT_SOU
 add_custom_command(
   OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/gpuarray_types.c
          ${CMAKE_CURRENT_SOURCE_DIR}/gpuarray/types.h
-  COMMAND python gen_types.py
+  COMMAND python3 gen_types.py
   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
   DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/gen_types.py)
 
 add_custom_command(
   OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/cluda_cuda.h.c
-  COMMAND python head.py cluda_cuda.h
+  COMMAND python3 head.py cluda_cuda.h
   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
   DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/head.py
           ${CMAKE_CURRENT_SOURCE_DIR}/cluda_cuda.h
@@ -24,7 +24,7 @@ add_custom_command(
 
 add_custom_command(
   OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/cluda_opencl.h.c
-  COMMAND python head.py cluda_opencl.h
+  COMMAND python3 head.py cluda_opencl.h
   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
   DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/head.py
           ${CMAKE_CURRENT_SOURCE_DIR}/cluda_opencl.h