mklibs: import missing symbol workaround from Freetz project (#7590)
[lede-git/.git] / tools / mklibs / patches / 009-uclibc_libgcc_link.patch
1 --- a/src/mklibs.py
2 +++ b/src/mklibs.py
3 @@ -560,6 +560,7 @@ while 1:
4              extra_flags = []
5              extra_pre_obj = []
6              extra_post_obj = []
7 +            libgcc_link = "-lgcc"
8  
9              symbols.update(library_symbols_used[library])
10  
11 @@ -575,6 +576,10 @@ while 1:
12                  symbols.add(ProvidedSymbol('__uClibc_init', None, None, True))
13                  symbols.add(ProvidedSymbol('__uClibc_fini', None, None, True))
14                  extra_flags.append("-Wl,-init,__uClibc_init")
15 +                libgcc_link = "-lgcc_s_pic"
16 +
17 +            if soname in ("libm.so.0"):
18 +                libgcc_link = "-lgcc_s_pic"
19  
20              map_file = find_pic_map(library)
21              if map_file:
22 @@ -590,7 +595,7 @@ while 1:
23              cmd.append(pic_file)
24              cmd.extend(extra_post_obj)
25              cmd.extend(extra_flags)
26 -            cmd.append("-lgcc")
27 +            cmd.append(libgcc_link)
28              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 + "/")]])
29              cmd.append(library_depends_gcc_libnames(so_file, soname))
30              command(target + "gcc", *cmd)