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.
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")