Replace environment variables in PATH prefix

The PATH prefix modified through the GUI was set without
replacing embedded environment variables. This might have
caused problems on Windows with external python installations.

diff --git a/src/LyXRC.cpp b/src/LyXRC.cpp
index 42dfad3731b7c4b057a9cb50ebafe92cf392b29e..46d23f2f9c00ad11fae48cbe9211dc5a0422c3aa 100644 (file)
--- a/src/LyXRC.cpp
+++ b/src/LyXRC.cpp
@@ -2936,7 +2936,7 @@ void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new)
        case LyXRC::RC_PARAGRAPH_MARKERS:
        case LyXRC::RC_PATH_PREFIX:
                if (lyxrc_orig.path_prefix != lyxrc_new.path_prefix) {
-                       prependEnvPath("PATH", lyxrc_new.path_prefix);
+                       prependEnvPath("PATH", replaceEnvironmentPath(lyxrc_new.path_prefix));
                        // Resets python path
                        support::os::python(true);
                }