diff -r 218d28dbcf0b tcc.c
--- a/tcc.c	Fri Nov 16 12:16:14 2007 +0800
+++ b/tcc.c	Sat Nov 24 00:02:41 2007 +0100
@@ -9339,8 +9339,8 @@ void help(void)
 {
     printf("tcc version " TCC_VERSION " - Tiny C Compiler - Copyright (C) 2001-2006 Fabrice Bellard\n"
            "usage: tcc [-v] [-c] [-o outfile] [-Bdir] [-bench] [-Idir] [-Dsym[=val]] [-Usym]\n"
-           "           [-Wwarn] [-g] [-b] [-bt N] [-Ldir] [-llib] [-shared] [-static]\n"
-           "           [infile1 infile2...] [-run infile args...]\n"
+           "           [-Wwarn] [-g] [-b] [-bt N] [-Ldir] [-llib] [-shared] [-soname name]\n"
+           "           [-static] [infile1 infile2...] [-run infile args...]\n"
            "\n"
            "General options:\n"
            "  -v          display current version\n"
@@ -9361,6 +9361,7 @@ void help(void)
            "  -Ldir       add library path 'dir'\n"
            "  -llib       link with dynamic or static library 'lib'\n"
            "  -shared     generate a shared library\n"
+           "  -soname     set the inernal DT_SONAME field to the specified name\n"
            "  -static     static linking\n"
            "  -rdynamic   export all global symbols to dynamic linker\n"
            "  -r          output relocatable .o file\n"
@@ -9398,6 +9399,7 @@ enum {
     TCC_OPTION_c,
     TCC_OPTION_static,
     TCC_OPTION_shared,
+    TCC_OPTION_soname,
     TCC_OPTION_o,
     TCC_OPTION_r,
     TCC_OPTION_Wl,
@@ -9434,6 +9436,7 @@ static const TCCOption tcc_options[] = {
     { "c", TCC_OPTION_c, 0 },
     { "static", TCC_OPTION_static, 0 },
     { "shared", TCC_OPTION_shared, 0 },
+    { "soname", TCC_OPTION_soname, TCC_OPTION_HAS_ARG },
     { "o", TCC_OPTION_o, TCC_OPTION_HAS_ARG },
     { "run", TCC_OPTION_run, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
     { "rdynamic", TCC_OPTION_rdynamic, 0 },
@@ -9607,6 +9610,9 @@ int parse_args(TCCState *s, int argc, ch
             case TCC_OPTION_shared:
                 output_type = TCC_OUTPUT_DLL;
                 break;
+            case TCC_OPTION_soname:
+                s->soname = optarg; 
+                break;
             case TCC_OPTION_o:
                 multiple_files = 1;
                 outfile = optarg;
diff -r 218d28dbcf0b tcc.h
--- a/tcc.h	Fri Nov 16 12:16:14 2007 +0800
+++ b/tcc.h	Sat Nov 24 00:02:41 2007 +0100
@@ -367,6 +367,9 @@ struct TCCState {
 
     /* if true, static linking is performed */
     int static_link;
+
+    /* soname as specified on the command line (-soname) */
+    char *soname;
 
     /* if true, all symbols are exported */
     int rdynamic;
diff -r 218d28dbcf0b tccelf.c
--- a/tccelf.c	Fri Nov 16 12:16:14 2007 +0800
+++ b/tccelf.c	Sat Nov 24 00:02:41 2007 +0100
@@ -1312,8 +1312,11 @@ int tcc_output_file(TCCState *s1, const 
             }
             /* XXX: currently, since we do not handle PIC code, we
                must relocate the readonly segments */
-            if (file_type == TCC_OUTPUT_DLL)
+            if (file_type == TCC_OUTPUT_DLL) {
+                if (s1->soname)
+                    put_dt(dynamic, DT_SONAME, put_elf_str(dynstr, s1->soname));
                 put_dt(dynamic, DT_TEXTREL, 0);
+            }
 
             /* add necessary space for other entries */
             saved_dynamic_data_offset = dynamic->data_offset;