From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 28 Feb 2011 16:17:04 +0000 (+0000)
Subject: mklibs: properly fix library linking - the relinking in some instances used static... 
X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fstaging%2Fyousong.git;a=commitdiff_plain;h=04e3dae4adbfd5a69595e17d9f437a60c64a7811

mklibs: properly fix library linking - the relinking in some instances used static libraries instead of shared ones with the same name, that led to some nasty symbol conflicts and pic issues. fix this by always using the full path to the libraries and also fix the libc vs libpthread linking order

SVN-Revision: 25793
---

diff --git a/tools/mklibs/patches/009-uclibc_libgcc_link.patch b/tools/mklibs/patches/009-uclibc_libgcc_link.patch
index d5e94068d3..d201821fc6 100644
--- a/tools/mklibs/patches/009-uclibc_libgcc_link.patch
+++ b/tools/mklibs/patches/009-uclibc_libgcc_link.patch
@@ -1,30 +1,38 @@
 --- a/src/mklibs.py
 +++ b/src/mklibs.py
-@@ -560,6 +560,7 @@ while 1:
+@@ -112,11 +112,8 @@ def library_depends_gcc_libnames(obj, so
+     ret = []
+     for i in libs:
+         match = re.match("^(((?P<ld>ld\S*)|(lib(?P<lib>\S+))))\.so.*$", i)
+-        if match and not soname in ("libpthread.so.0"):
+-            if match.group('ld'):
+-                ret.append(find_lib(match.group(0)))
+-            elif match.group('lib'):
+-                ret.append('-l%s' % match.group('lib'))
++        if match:
++            ret.append(find_lib(match.group(0)))
+     return ' '.join(ret)
+ 
+ class Symbol(object):
+@@ -560,6 +557,7 @@ while 1:
              extra_flags = []
              extra_pre_obj = []
              extra_post_obj = []
-+            libgcc_link = "-lgcc"
++            libgcc_link = find_lib("libgcc_s.so.1")
  
              symbols.update(library_symbols_used[library])
  
-@@ -575,6 +576,10 @@ 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"
-+
-+            if soname in ("libm.so.0"):
-+                libgcc_link = "-lgcc_s_pic"
- 
-             map_file = find_pic_map(library)
-             if map_file:
-@@ -590,7 +595,7 @@ while 1:
+@@ -590,9 +588,11 @@ 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))
+-            cmd.append(library_depends_gcc_libnames(so_file, soname))
++            if soname != "libgcc_s.so.1" and soname != "libc.so.0":
++                cmd.append(library_depends_gcc_libnames(so_file, soname))
++            if soname != "libgcc_s.so.1":
++                cmd.append(libgcc_link)
              command(target + "gcc", *cmd)
+ 
+             ## DEBUG