diff -ru rules.orig/autoconf.bkl rules/autoconf.bkl
--- rules.orig/autoconf.bkl	2011-02-02 14:04:25.000000000 -0800
+++ rules/autoconf.bkl	2016-02-13 16:51:17.000000000 -0800
@@ -200,82 +200,19 @@
 
         <set var="__linkname1">$(__linkname)</set>
 
-        <set var="__targetsuf2">
-            <if cond="USE_SOVERSION=='1' and PLATFORM_MACOSX=='0'">
-                $(DLLEXT).$(__soversion1)
-            </if>
-            <if cond="USE_SOVERSION=='1' and PLATFORM_MACOSX=='1'">
-                .$(__soversion1)$(DLLEXT)
-            </if>
-            <if cond="USE_SOVERSION=='0'">$(DLLEXT)</if>
-        </set>
+        <set var="__targetsuf2">$(DLLEXT)</set>
         <set var="__linkname2" eval="0">
             $(DLLPREFIX)$(__dllname)$(__targetsuf2)
         </set>
 
-        <set var="__targetsuf3">
-            <if cond="USE_SOVERSION=='1' and PLATFORM_MACOSX=='0' and USE_SOVERCYGWIN=='0'">
-                $(DLLEXT).$(__soversion1).$(__soversion2).$(__soversion3)
-            </if>
-            <if cond="USE_SOVERSION=='1' and PLATFORM_MACOSX=='1'">
-                .$(__soversion1).$(__soversion2).$(__soversion3)$(DLLEXT)
-            </if>
-            <if cond="USE_SOVERSION=='1' and USE_SOVERSOLARIS=='1'">
-                $(DLLEXT).$(__soversion1)
-            </if>
-            <if cond="USE_SOVERSION=='1' and USE_SOVERCYGWIN=='1'">
-                -$(__soversion1)$(DLLEXT)
-            </if>
-            <if cond="USE_SOVERSION=='0'">$(DLLEXT)</if>
-        </set>
+        <set var="__targetsuf3">$(DLLEXT)</set>
         <set var="__targetname" eval="0">
             $(DLLPREFIX)$(__dllname)$(__targetsuf3)
         </set>
 
-        <set var="__soname_flags">
-            <if cond="USE_SOVERLINUX=='1'"> <!-- Linux -->
-                $(SONAME_FLAG)$(__linkname2)
-            </if>
-            <if cond="USE_SOVERSOLARIS=='1'"> <!-- Solaris -->
-                $(SONAME_FLAG)$(__targetname)
-            </if>
-        </set>
+        <set var="__soname_flags">-version-number $(__soversion1):$(__soversion2):$(__soversion3)</set>
         <ldflags>$(__soname_flags)</ldflags>
 
-        <set var="__so_symlinks_cmd">
-            <if cond="USE_SOTWOSYMLINKS=='1'">
-                (cd $(pathPrefixToPath(__targetdir));
-                $(RM) $(__linkname1) $(__linkname2);
-                $(LN_S) $(__targetname) $(__linkname2);
-                $(LN_S) $(__linkname2) $(__linkname1))
-            </if>
-            <if cond="USE_SOVERSOLARIS=='1'">
-                (cd $(pathPrefixToPath(__targetdir));
-                $(RM) $(__linkname1);
-                $(LN_S) $(__targetname) $(__linkname1))
-            </if>
-        </set>
-        <set var="__so_symlinks_inst_cmd">
-            <if cond="USE_SOTWOSYMLINKS=='1'">
-                $(RM) $(__linkname1) $(__linkname2);
-                $(LN_S) $(__targetname) $(__linkname2);
-                $(LN_S) $(__linkname2) $(__linkname1)
-            </if>
-            <if cond="USE_SOVERSOLARIS=='1'">
-                $(RM) $(__linkname1);
-                $(LN_S) $(__targetname) $(__linkname1);
-            </if>
-        </set>
-        <set var="__so_symlinks_uninst_cmd">
-            <if cond="USE_SOTWOSYMLINKS=='1'">
-                $(RM) $(__linkname2) $(__linkname1)
-            </if>
-            <if cond="USE_SOVERSOLARIS=='1'">
-                $(RM) $(__linkname1)
-            </if>
-        </set>
-        <__command>$(LF)$(__so_symlinks_cmd)</__command>
-
         <set var="__mac_instname">$(__linkname2)</set>
 
         <clean-files>
@@ -298,12 +235,6 @@
         <set var="__macinstname" eval="0">
             $(ifthenelse(__mac_instname=='',ref('__targetname',id),ref('__mac_instname',id)))
         </set>
-        <set var="__macinstnamecmd">
-            <if cond="PLATFORM_MACOSX=='1'">
-                -install_name $(value)/$(__macinstname)
-            </if>
-        </set>
-        <ldflags>$(__macinstnamecmd)</ldflags>
 
         <modify-target target="install_$(id)">
             <command>(cd $(DESTDIR)$(value) ; $(ref('__so_symlinks_inst_cmd',id)))</command>
diff -ru rules.orig/makefile.bkl rules/makefile.bkl
--- rules.orig/makefile.bkl	2011-02-02 14:04:25.000000000 -0800
+++ rules/makefile.bkl	2016-02-13 16:51:17.000000000 -0800
@@ -749,7 +749,7 @@
         <define-tag name="install-to" rules="exe">
             <modify-target target="install_$(id)">
                 <command>
-                    $(INSTALL_PROGRAM) $(ref('__targetdir',id))$(ref('__targetname',id)) $(DESTDIR)$(nativePaths(value))
+                    ${LIBTOOL} --mode=install $(INSTALL_PROGRAM) $(ref('__targetdir',id))$(ref('__targetname',id)) $(DESTDIR)$(nativePaths(value))
                 </command>
             </modify-target>
             <modify-target target="uninstall_$(id)">
@@ -762,8 +762,7 @@
         <define-tag name="install-to" rules="dll">
             <modify-target target="install_$(id)">
                 <command>
-                    $(INSTALL_DATA) $(ref('__targetdir',id))$(ref('__linkname',id)) $(DESTDIR)$(nativePaths(value))
-                    $(INSTALL_PROGRAM) $(ref('__targetdir',id))$(ref('__targetname',id)) $(DESTDIR)$(nativePaths(value))
+                    ${LIBTOOL} --mode=install ${BSD_INSTALL_LIB} $(ref('__targetdir',id))$(ref('__targetname',id)) $(DESTDIR)$(nativePaths(value))
                 </command>
             </modify-target>
             <modify-target target="uninstall_$(id)">
@@ -777,7 +776,7 @@
         <define-tag name="install-to" rules="module">
             <modify-target target="install_$(id)">
                 <command>
-                    $(INSTALL_PROGRAM) $(ref('__targetdir',id))$(ref('__targetname',id)) $(DESTDIR)$(nativePaths(value))
+                    ${LIBTOOL} --mode=install ${BSD_INSTALL_LIB} $(ref('__targetdir',id))$(ref('__targetname',id)) $(DESTDIR)$(nativePaths(value))
                 </command>
             </modify-target>
             <modify-target target="uninstall_$(id)">
diff -ru rules.orig/makefile_defs_gnu.bkl rules/makefile_defs_gnu.bkl
--- rules.orig/makefile_defs_gnu.bkl	2011-02-02 14:04:25.000000000 -0800
+++ rules/makefile_defs_gnu.bkl	2016-02-13 16:51:17.000000000 -0800
@@ -62,12 +62,12 @@
 
             <template id="__commands_templ_C">
                 <set var="__COMPILE_C_CMD" eval="0">
-                    $(CCC) -c -o $@ $(__cflags) $(CPPDEPS) $&lt;
+                    ${LIBTOOL} --mode=compile --tag=CC $(CCC) -c -o $@ $(__cflags) $(CPPDEPS) $&lt;
                 </set>
             </template>
             <template id="__commands_templ_CXX">
                 <set var="__COMPILE_CXX_CMD" eval="0">
-                    $(CXXC) -c -o $@ $(__cxxflags) $(CPPDEPS) $&lt;
+                    ${LIBTOOL} --mode=compile --tag=CXX $(CXXC) -c -o $@ $(__cxxflags) $(CPPDEPS) $&lt;
                 </set>
             </template>
 
diff -ru rules.orig/makefile_defs_unix.bkl rules/makefile_defs_unix.bkl
--- rules.orig/makefile_defs_unix.bkl	2011-02-02 14:04:25.000000000 -0800
+++ rules/makefile_defs_unix.bkl	2016-02-13 18:27:40.000000000 -0800
@@ -39,22 +39,23 @@
 
     <set var="DIRSEP">/</set>
 
-    <set var="OBJEXT">.o</set>
+    <set var="LIBTOOL">${LIBTOOL}</set>
+    <set var="OBJEXT">.lo</set>
     <set var="LIBEXT" overwrite="0">.a</set>
     <set var="LIBPREFIX" overwrite="0">lib</set>
     <set var="EXEEXT" overwrite="0"></set>
-    <set var="DLLEXT" overwrite="0">.so</set>
+    <set var="DLLEXT" overwrite="1">.la</set>
     <set var="DLLEXT_MODULE" overwrite="0">$(DLLEXT)</set>
     <set var="DLLIMPEXT" overwrite="0">$(DLLEXT)</set>
     <set var="DLLPREFIX" overwrite="0">$(LIBPREFIX)</set>
     <set var="DLLPREFIX_MODULE" overwrite="0">$(DLLPREFIX)</set>
-    <set var="PIC_CFLAGS" overwrite="0">-fPIC -DPIC</set>
+    <set var="PIC_CFLAGS" overwrite="0"></set>
 
    <set var="RM">rm -f</set>
 
-    <set var="INSTALL_PROGRAM" overwrite="0">install -c</set>
-    <set var="INSTALL_DATA" overwrite="0">$(INSTALL) -m 644</set>
-    <set var="INSTALL_DIR" overwrite="0">$(INSTALL) -d</set>
+    <set var="INSTALL_PROGRAM" overwrite="1">${BSD_INSTALL_PROGRAM}</set>
+    <set var="INSTALL_DATA" overwrite="1">${BSD_INSTALL_DATA}</set>
+    <set var="INSTALL_DIR" overwrite="1">${BSD_INSTALL_DATA_DIR}</set>
 
     <set var="UNINSTALL_PROGRAM" overwrite="0">$(RM)</set>
     <set var="UNINSTALL_DATA" overwrite="0">$(RM)</set>
@@ -122,24 +123,24 @@
     <if cond="FORMAT not in ['gnu','suncc']">
         <template id="__commands_templ_C">
             <set var="__COMPILE_C_CMD" eval="0">
-                $(CCC) -c -o $@ $(__cflags) $(src)
+                $(LIBTOOL) --mode=compile --tag=CC $(CCC) -c -o $@ $(__cflags) $(src)
             </set>
         </template>
         <template id="__commands_templ_CXX">
             <set var="__COMPILE_CXX_CMD" eval="0">
-                $(CXXC) -c -o $@ $(__cxxflags) $(src)
+                $(LIBTOOL) --mode=compile --tag=CXX $(CXXC) -c -o $@ $(__cxxflags) $(src)
             </set>
         </template>
         <!-- FIXME: We should allow for a different Objective-C compiler -->
         <template id="__commands_templ_OBJC">
             <set var="__COMPILE_OBJC_CMD" eval="0">
-                $(CCC) -c -o $@ $(__objcflags) $(src)
+                $(LIBTOOL) --mode=compile --tag=CC $(CCC) -c -o $@ $(__objcflags) $(src)
             </set>
         </template>
         <!-- FIXME: We should allow for a different Objective-C++ compiler -->
         <template id="__commands_templ_OBJCXX">
             <set var="__COMPILE_OBJCXX_CMD" eval="0">
-                $(CXXC) -c -o $@ $(__objcxxflags) $(src)
+                $(LIBTOOL) --mode=compile --tag=CXX $(CXXC) -c -o $@ $(__objcxxflags) $(src)
             </set>
         </template>
     </if>
@@ -154,18 +155,16 @@
         </set>
 
         <set var="__LINK_EXE_CMD" eval="0">
-            $(__linker) -o $@ $(__objects_var) $(__ldargs)
+            $(LIBTOOL) --mode=link --tag=CC $(__linker) -o $@ $(__objects_var) $(__ldargs)
         </set>        
         <set var="__LINK_LIB_CMD" eval="0">
-            $(RM) $@
-            $(AR) $(AROPTIONS) $@ $(__objects_var)
-            $(RANLIB) $@
+	    $(LIBTOOL) --mode=link --tag=CC $(__linker) -o $@ $(__objects_var) $(__ldflags) $(__ldlibs)
         </set>
         <set var="__LINK_DLL_CMD" eval="0">
-            $(__dll_linker) $@ $(__objects_var) $(__ldargs)
+	    $(LIBTOOL) --mode=link --tag=CC $(__linker) -rpath $(libdir) -shared -o $@ $(__objects_var) $(__ldflags) $(__ldlibs)
         </set>
         <set var="__LINK_MODULE_CMD" eval="0">
-            $(__module_linker) $@ $(__objects_var) $(__ldargs)
+	    $(LIBTOOL)--mode=link --tag=CC $(__linker) -rpath $(libdir) -module -o $@ $(__objects_var) $(__ldflags) $(__ldlibs)
         </set>
     </template>
     
Only in rules: makefile_defs_unix.bkl.~1~
Only in rules: makefile_defs_unix.bkl.~2~