[Beignet] [PATCH] utests: define python interpreter via cmake variable

[Boqun Feng]

The reason for this fix is in commit 
5b64170ef5e3e78d038186fb1132b11a8fec308e.

Signed-off-by: Boqun Feng <boqun.feng at gmail.com>
---
 utests/CMakeLists.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/utests/CMakeLists.txt b/utests/CMakeLists.txt
index 0614ee6..b7d6f71 100644
--- a/utests/CMakeLists.txt
+++ b/utests/CMakeLists.txt
@@ -3,7 +3,7 @@ INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}
 
 ##### Math Function Part:
 EXEC_PROGRAM(mkdir ${CMAKE_CURRENT_SOURCE_DIR} ARGS generated -p)
-EXEC_PROGRAM(python ${CMAKE_CURRENT_SOURCE_DIR} ARGS utest_math_gen.py OUTPUT_VARIABLE GEN_MATH_STRING)
+EXEC_PROGRAM(${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR} ARGS utest_math_gen.py OUTPUT_VARIABLE GEN_MATH_STRING)
 string(REGEX REPLACE " " ";" ADDMATHFUNC ${GEN_MATH_STRING})
 string(REGEX REPLACE " " "\n" NAMEMATHLIST ${GEN_MATH_STRING})
 MESSAGE(STATUS "Generated Builtin Math Functions:\n" ${NAMEMATHLIST})
@@ -186,7 +186,7 @@ ADD_CUSTOM_TARGET(kernel_bin.bin
 
 add_custom_command(OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/generated
     COMMAND mkdir ${CMAKE_CURRENT_SOURCE_DIR}/generated -p
-    COMMAND python ${CMAKE_CURRENT_SOURCE_DIR}/utest_math_gen.py > /dev/null 2>&1
+    COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/utest_math_gen.py > /dev/null 2>&1
     COMMAND echo ${KERNEL_GITIGNORE_LIST} |sed 's/ /\\n/g' > ${CMAKE_CURRENT_SOURCE_DIR}/../kernels/.gitignore
     WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
     )
-- 
1.8.5.4