From 3e214d57e4836e683b94127ede9eb8ad2ed3dfc9 Mon Sep 17 00:00:00 2001
From: Jonathan Lambrechts <jonathan.lambrechts@uclouvain.be>
Date: Thu, 11 Sep 2014 07:47:05 +0000
Subject: [PATCH] python : fix cmake petsc4py

---
 CMakeLists.txt | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1a68e818d9..7450dd2bad 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1123,10 +1123,13 @@ if(HAVE_PYTHON)
   endif(ENABLE_NUMPY)
   if(HAVE_PETSC)
     if(ENABLE_PETSC4PY)
-      EXEC_PROGRAM (${PYTHON_EXECUTABLE}
-        ARGS "-c \"import petsc4py; print(petsc4py.get_include())\""
+      EXECUTE_PROCESS(
+        COMMAND ${PYTHON_EXECUTABLE} -c "import petsc4py; print(petsc4py.get_include())"
         OUTPUT_VARIABLE PETSC4PY_INC
-        RETURN_VALUE PETSC4PY_NOT_FOUND)
+        RESULT_VARIABLE PETSC4PY_NOT_FOUND
+        ERROR_QUIET
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+      )
       if(PETSC4PY_INC)
         list(APPEND EXTERNAL_INCLUDES ${PETSC4PY_INC})
         set_config_option(HAVE_PETSC4PY "PETSc4py")
-- 
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