Commit e3f94c71c3792716b89b3b56b7dbb984e1620e34

Carlos Martín Nieto 2015-10-06T13:35:45

CMake: be more explicit with python errors There's been a few reports of users not understanding what the python error means, so spell out the options they have.

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diff --git a/CMakeLists.txt b/CMakeLists.txt
index 713640d..abcc0e4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -575,7 +575,12 @@ INSTALL(FILES include/git2.h DESTINATION ${INCLUDE_INSTALL_DIR} )
 
 # Tests
 IF (BUILD_CLAR)
-	FIND_PACKAGE(PythonInterp REQUIRED)
+	FIND_PACKAGE(PythonInterp)
+
+	IF(NOT PYTHONINTERP_FOUND)
+	  MESSAGE(FATAL_ERROR "Could not find a python interpeter, which is needed to build the tests. "
+	    "Make sure python is available, or pass -DBUILD_CLAR=OFF to skip building the tests")
+	ENDIF()
 
 	SET(CLAR_FIXTURES "${CMAKE_CURRENT_SOURCE_DIR}/tests/resources/")
 	SET(CLAR_PATH "${CMAKE_CURRENT_SOURCE_DIR}/tests")