Index: SConstruct
===================================================================
--- SConstruct	(revision 78)
+++ SConstruct	(working copy)
@@ -335,11 +335,17 @@
     envRelease.Install(".", ["#/ExtLibs/mpg123/"+my_build_dir_rel+"/mpg123.dll"]);
     envRelease.Install(".", ["#/ExtLibs/openal-win/OpenAL32.dll", "#/ExtLibs/openal-win/wrap_oal.dll"]);
 elif sys.platform=="linux2":
-    envRelease.Install(".", ["#/ExtLibs/freealut/"+my_build_dir_rel+"/libalut.so"]);
+    if "d" in BVs: envRelease.Install(".", ["#/ExtLibs/freealut/"+my_build_dir_dbg+"/libalut.so"]);
+    if "r" in BVs: envRelease.Install(".", ["#/ExtLibs/freealut/"+my_build_dir_rel+"/libalut.so"]);
+    if "p" in BVs: envRelease.Install(".", ["#/ExtLibs/freealut/"+my_build_dir_prf+"/libalut.so"]);
     envRelease.Install(".", ["#/ExtLibs/Cg/lib/libCg.so", "#/ExtLibs/Cg/lib/libCgGL.so"]);
     envRelease.Install(".", ["#/ExtLibs/fmod/api/libfmod-3.75.so"]);
-    envRelease.Install(".", ["#/ExtLibs/mpg123/"+my_build_dir_rel+"/libmpg123.so"]);
-    envRelease.Install(".", ["#/ExtLibs/openal-soft/"+my_build_dir_rel+"/libopenal.so"]);
+    if "d" in BVs: envRelease.Install(".", ["#/ExtLibs/mpg123/"+my_build_dir_dbg+"/libmpg123.so"]);
+    if "r" in BVs: envRelease.Install(".", ["#/ExtLibs/mpg123/"+my_build_dir_rel+"/libmpg123.so"]);
+    if "p" in BVs: envRelease.Install(".", ["#/ExtLibs/mpg123/"+my_build_dir_prf+"/libmpg123.so"]);
+    if "d" in BVs: envRelease.Install(".", ["#/ExtLibs/openal-soft/"+my_build_dir_dbg+"/libopenal.so"]);
+    if "r" in BVs: envRelease.Install(".", ["#/ExtLibs/openal-soft/"+my_build_dir_rel+"/libopenal.so"]);
+    if "p" in BVs: envRelease.Install(".", ["#/ExtLibs/openal-soft/"+my_build_dir_prf+"/libopenal.so"]);
 
 
 ############################################