Remove PYTHONPATH from the environment on Windows

This make sure to use the the modules distributed with LyX,
avoiding reconfigure failures.

diff --git a/src/support/os_win32.cpp b/src/support/os_win32.cpp
index 145d5065923c7ce80deac55f66a82cf03d539775..e15af13acfbdd0fd0f6f4d241bf712fa6f3d9d66 100644 (file)
--- a/src/support/os_win32.cpp
+++ b/src/support/os_win32.cpp
@@ -158,6 +158,11 @@ void init(int argc, char ** argv[])
         */
 
 
+       // Remove PYTHONPATH from the environment as it may point to an
+       // external python installation and cause reconfigure failures.
+       unsetEnv("PYTHONPATH");
+
+
 #if defined(_MSC_VER) && (_MSC_VER >= 1900)
        // Removing an argument from argv leads to an assertion on Windows
        // when compiling with MSVC 2015 in debug mode (see bug #10440).