mklibs: fix missing __pack_f symbol in uclibc after relink

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18438 3c298f89-4303-0410-b956-a3cf2f4a3e73

tools/mklibs/patches/009-uclibc_libgcc_link.patch

@@ -0,0 +1,27 @@
+--- a/src/mklibs.py
++++ b/src/mklibs.py
+@@ -560,6 +560,7 @@ while 1:
+             extra_flags = []
+             extra_pre_obj = []
+             extra_post_obj = []
++            libgcc_link = "-lgcc"
+ 
+             symbols.update(library_symbols_used[library])
+ 
+@@ -575,6 +576,7 @@ while 1:
+                 symbols.add(ProvidedSymbol('__uClibc_init', None, None, True))
+                 symbols.add(ProvidedSymbol('__uClibc_fini', None, None, True))
+                 extra_flags.append("-Wl,-init,__uClibc_init")
++                libgcc_link = "-lgcc_s_pic"
+ 
+             map_file = find_pic_map(library)
+             if map_file:
+@@ -590,7 +592,7 @@ while 1:
+             cmd.append(pic_file)
+             cmd.extend(extra_post_obj)
+             cmd.extend(extra_flags)
+-            cmd.append("-lgcc")
++            cmd.append(libgcc_link)
+             cmd.extend(["-L%s" % a for a in [dest_path] + [sysroot + b for b in lib_path if sysroot == "" or b not in ("/" + libdir + "/", "/usr/" + libdir + "/")]])
+             cmd.append(library_depends_gcc_libnames(so_file, soname))
+             command(target + "gcc", *cmd)