>>>>> "Joost" == Joost Verburg <[EMAIL PROTECTED]> writes:

Joost> Python is available and has been added to path_prefix in
Joost> lyxrc.dist. What is the difference between path_prefix and
Joost> extra_path?

I meant path_prefix. The problem was that reconfiguration was done
before readong lyxrc.dist.

Try the following (I did not test it).

JMarc

Index: src/lyx_main.C
===================================================================
--- src/lyx_main.C	(revision 13791)
+++ src/lyx_main.C	(working copy)
@@ -401,16 +401,6 @@ void LyX::init(bool gui)
 	signal(SIGTERM, error_handler);
 	// SIGPIPE can be safely ignored.
 
-	// Check that user LyX directory is ok. We don't do that if
-	// running in batch mode.
-	bool reconfigure = false;
-	if (gui) {
-		reconfigure =
-			queryUserLyXDir(package().explicit_user_support());
-	} else {
-		first_start = false;
-	}
-
 	// Disable gui when easyparse says so
 	lyx_gui::use_gui = gui;
 
@@ -439,6 +429,23 @@ void LyX::init(bool gui)
 
 	// This one may have been distributed along with LyX.
 	readRcFile("lyxrc.dist");
+
+#if !defined (USE_POSIX_PACKAGING)
+	// Add the directory containing the LyX executable to the path
+	// so that LyX can find things like tex2lyx.
+	if (package().build_support().empty())
+		prependEnvPath("PATH", package().binary_dir());
+#endif
+
+	// Check that user LyX directory is ok. We don't do that if
+	// running in batch mode.
+	if (gui) {
+		if (queryUserLyXDir(package().explicit_user_support()))
+			reconfigureUserLyXDir();
+	} else {
+		first_start = false;
+	}
+
 	// This one is generated in user_support directory by lib/configure.py.
 	readRcFile("lyxrc.defaults");
 
@@ -475,18 +482,6 @@ void LyX::init(bool gui)
 	if (!lyxrc.path_prefix.empty())
 		prependEnvPath("PATH", lyxrc.path_prefix);
 
-#if !defined (USE_POSIX_PACKAGING)
-	// Add the directory containing the LyX executable to the path
-	// so that LyX can find things like tex2lyx.
-	if (package().build_support().empty())
-		prependEnvPath("PATH", package().binary_dir());
-#endif
-
-	// Having reset the PATH we're now in a position to run configure
-	// if necessary.
-	if (reconfigure)
-		reconfigureUserLyXDir();
-
 	if (fs::exists(lyxrc.document_path) &&
 	    fs::is_directory(lyxrc.document_path))
 		package().document_dir() = lyxrc.document_path;
@@ -609,25 +604,43 @@ void LyX::deadKeyBindings(kb_keymap * kb
 }
 
 
-bool LyX::queryUserLyXDir(bool explicit_userdir)
+namespace {
+
+// return true if file does not exist or is older than configure.py.
+bool needsUpdate(string const & file)
 {
-	bool reconfigure = false;
+	static string const configure_script =
+		AddName(package().system_support(), "configure.py");
+	string const absfile =
+		AddName(package().user_support(), file);
+
+	lyxerr << "absfile=" << absfile << ", exists=" << fs::exists(absfile);
+	if (fs::exists(absfile))
+		lyxerr << ", write(conf)=" << fs::last_write_time(configure_script) 
+		       << ", write(file)=" << fs::last_write_time(absfile) 
+		       << ", result=" << ((! fs::exists(absfile))
+					  || (fs::last_write_time(configure_script) 
+					      > fs::last_write_time(absfile)));
+	lyxerr << endl;
+		
+	return (! fs::exists(absfile))
+		|| (fs::last_write_time(configure_script) 
+		    > fs::last_write_time(absfile));
+}
+
+}
+
 
+bool LyX::queryUserLyXDir(bool explicit_userdir)
+{
 	// Does user directory exist?
 	if (fs::exists(package().user_support()) &&
 	    fs::is_directory(package().user_support())) {
 		first_start = false;
-		string const configure_script =
-			AddName(package().system_support(), "configure.py");
-		string const userDefaults =
-			AddName(package().user_support(), "lyxrc.defaults");
-		if (fs::exists(configure_script) &&
-		    fs::exists(userDefaults) &&
-		    fs::last_write_time(configure_script)
-		    > fs::last_write_time(userDefaults)) {
-			reconfigure = true;
-		}
-		return reconfigure;
+		
+		return needsUpdate("lyxrc.defaults") 
+			|| needsUpdate("textclass.lst") 
+			|| needsUpdate("packages.lst");
 	}
 
 	first_start = !explicit_userdir;
@@ -651,7 +664,6 @@ bool LyX::queryUserLyXDir(bool explicit_
 	lyxerr << bformat(_("LyX: Creating directory %1$s"),
 			  package().user_support())
 	       << endl;
-	reconfigure = true;
 
 	if (!createDirectory(package().user_support(), 0755)) {
 		// Failed, so let's exit.
@@ -660,7 +672,7 @@ bool LyX::queryUserLyXDir(bool explicit_
 		exit(1);
 	}
 
-	return reconfigure;
+	return true;
 }
 
 

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