--- Csound5.10.1/Top/csmodule.c.orig 2009-03-31 00:09:56.000000000 +0100
+++ Csound5.10.1/Top/csmodule.c 2009-03-31 00:21:59.000000000 +0100
@@ -126,17 +126,20 @@
#else
#if !(defined(_CSOUND_RELEASE_) && (defined(LINUX) || defined(__MACH__)))
# define ENABLE_OPCODEDIR_WARNINGS 1
-# ifdef CS_DEFAULT_PLUGINDIR
-# undef CS_DEFAULT_PLUGINDIR
+# ifndef CS_DEFAULT_PLUGINDIR
+# ifndef USE_DOUBLE
+# define CS_DEFAULT_PLUGINDIR "/usr/lib/csound/plugins"
+# else
+# define CS_DEFAULT_PLUGINDIR "/usr/lib64/csound/plugins"
+# endif
# endif
-# define CS_DEFAULT_PLUGINDIR "."
#else
# define ENABLE_OPCODEDIR_WARNINGS 0
# ifndef CS_DEFAULT_PLUGINDIR
# ifndef USE_DOUBLE
-# define CS_DEFAULT_PLUGINDIR "/usr/local/lib/csound/plugins"
-# Else
-# define CS_DEFAULT_PLUGINDIR "/usr/local/lib/csound/plugins64"
+# define CS_DEFAULT_PLUGINDIR "/usr/lib/csound/plugins"
+# else
+# define CS_DEFAULT_PLUGINDIR "/usr/lib64/csound/plugins"
# endif
# endif
#endif