--- lib/GL/mesa/src/OSmesa/Imakefile.orig	Thu Jul 27 16:09:32 2000
+++ lib/GL/mesa/src/OSmesa/Imakefile	Thu Jul 27 16:10:11 2000
@@ -243,7 +243,8 @@
 /*InstallLibrary($(LIBNAME),$(USRLIBDIR))*/
 
 SharedDepLibraryTarget($(LIBNAME),$(SOREV), $(DONES), $(OBJS), ., .)
+#if !defined(LibInstall) || LibInstall
 InstallSharedLibrary($(LIBNAME),$(SOREV),$(SHLIBDIR))
-
+#endif
 
 DependTarget()
