In Gentoo we install libs to /usr/lib* and let gen_usr_ldscript
handle /lib*.

--- a/include/buildmacros
+++ b/include/buildmacros
@@ -57,9 +57,10 @@ endif
 ifeq ($(ENABLE_SHARED),yes)
 INSTALL_LTLIB = \
 	cd $(TOPDIR)/$(LIBNAME)/.libs; \
-	../$(INSTALL) -m 755 -d $(PKG_ROOT_LIB_DIR); \
-	../$(INSTALL) -m 755 -T so_dot_version $(LIBNAME).lai $(PKG_ROOT_LIB_DIR); \
-	../$(INSTALL) -T so_dot_current $(LIBNAME).lai $(PKG_ROOT_LIB_DIR)
+	../$(INSTALL) -m 755 -d $(PKG_LIB_DIR); \
+	../$(INSTALL) -m 755 -T so_dot_version $(LIBNAME).lai $(PKG_LIB_DIR); \
+	../$(INSTALL) -T so_dot_current $(LIBNAME).lai $(PKG_LIB_DIR); \
+	../$(INSTALL) -T so_base $(LIBNAME).lai $(PKG_LIB_DIR)
 endif
 
 # Libtool thinks the static and shared libs should be in the same dir, so
@@ -68,7 +69,7 @@ endif
 # Other things want the shared libs to appear in /usr/lib, else they'll
 # link with the static libs there.  So, another symlink to get the .so into
 # /usr/lib.
-ifeq ($(ENABLE_SHARED),yes)
+ifeq ($(ENABLE_SHARED_HANDLED_BY_gen_usr_ldscript),yes)
 INSTALL_LTLIB_DEV = \
 	cd $(TOPDIR)/$(LIBNAME)/.libs; \
 	../$(INSTALL) -m 755 -d $(PKG_LIB_DIR); \