diff --git a/tools/winebuild/build.h b/tools/winebuild/build.h
index a140d1cea35..a65cf1c235a 100644
--- a/tools/winebuild/build.h
+++ b/tools/winebuild/build.h
@@ -184,6 +184,8 @@ extern unsigned int get_page_size(void);
 extern const char *asm_name( const char *func );
 extern const char *func_declaration( const char *func );
 extern const char *func_size( const char *func );
+extern const char *get_asm_string_keyword(void);
+extern const char *get_asm_short_keyword(void);
 
 extern void add_import_dll( const char *name, const char *filename );
 extern void add_delayed_import( const char *name );
diff --git a/tools/winebuild/spec32.c b/tools/winebuild/spec32.c
index 3bac09a7530..42514b3800f 100644
--- a/tools/winebuild/spec32.c
+++ b/tools/winebuild/spec32.c
@@ -266,12 +266,12 @@ static void output_exports( FILE *outfile, DLLSPEC *spec )
         fprintf( outfile, "    \"__wine_spec_exp_ordinals:\\n\"\n" );
         for (i = 0; i < spec->nb_names; i++)
         {
-            fprintf( outfile, "    \"\\t" __ASM_SHORT " %d\\n\"\n",
-                     spec->names[i]->ordinal - spec->base );
+            fprintf( outfile, "    \"\\t%s %d\\n\"\n",
+                     get_asm_short_keyword(), spec->names[i]->ordinal - spec->base );
         }
         if (spec->nb_names % 2)
         {
-            fprintf( outfile, "    \"\\t" __ASM_SHORT " 0\\n\"\n" );
+            fprintf( outfile, "    \"\\t%s 0\\n\"\n", get_asm_short_keyword() );
         }
     }
 
@@ -284,7 +284,7 @@ static void output_exports( FILE *outfile, DLLSPEC *spec )
         {
             ORDDEF *odp = spec->ordinals[i];
             if (odp && (odp->flags & FLAG_FORWARD))
-                fprintf( outfile, "    \"\\t" __ASM_STRING " \\\"%s\\\"\\n\"\n", odp->link_name );
+                fprintf( outfile, "    \"\\t%s \\\"%s\\\"\\n\"\n", get_asm_string_keyword(), odp->link_name );
         }
         fprintf( outfile, "    \"\\t.align %d\\n\"\n", get_alignment(4) );
     }
@@ -324,7 +324,7 @@ static void output_exports( FILE *outfile, DLLSPEC *spec )
             case TYPE_CDECL:
                 fprintf( outfile, "    \"\\tjmp %s\\n\"\n", asm_name(odp->link_name) );
                 fprintf( outfile, "    \"\\tret\\n\"\n" );
-                fprintf( outfile, "    \"\\t" __ASM_SHORT " %d\\n\"\n", args );
+                fprintf( outfile, "    \"\\t%s %d\\n\"\n", get_asm_short_keyword(), args );
                 fprintf( outfile, "    \"\\t.long %s,0x%08x\\n\"\n", asm_name(odp->link_name), mask );
                 break;
             default:
diff --git a/tools/winebuild/utils.c b/tools/winebuild/utils.c
index f6c9d25b7cd..6164646a816 100644
--- a/tools/winebuild/utils.c
+++ b/tools/winebuild/utils.c
@@ -384,26 +384,72 @@ unsigned int get_page_size(void)
 const char *asm_name( const char *sym )
 {
     static char buffer[256];
-    sprintf( buffer, __ASM_NAME("%s"), sym );
-    return buffer;
+
+    switch (target_platform)
+    {
+    case PLATFORM_APPLE:
+    case PLATFORM_WINDOWS:
+        buffer[0] = '_';
+        strcpy( buffer + 1, sym );
+        return buffer;
+    default:
+        return sym;
+    }
 }
 
 /* return an assembly function declaration for a C function name */
 const char *func_declaration( const char *func )
 {
     static char buffer[256];
-    sprintf( buffer, __ASM_FUNC("%s"), func );
+
+    switch (target_platform)
+    {
+    case PLATFORM_WINDOWS:
+        sprintf( buffer, ".def _%s; .scl 2; .type 32; .endef", func );
+        break;
+    case PLATFORM_APPLE:
+        sprintf( buffer, ".type _%s,@function", func );
+        break;
+    case PLATFORM_SVR4:
+        sprintf( buffer, ".type %s,2", func );
+        break;
+    default:
+        sprintf( buffer, ".type %s,@function", func );
+        break;
+    }
     return buffer;
 }
 
 /* return a size declaration for an assembly function */
 const char *func_size( const char *func )
 {
-#ifdef HAVE_ASM_DOT_SIZE
     static char buffer[256];
-    sprintf( buffer, ".size " __ASM_NAME("%s") ", .-" __ASM_NAME("%s"), func, func );
-    return buffer;
-#else
-    return "";
-#endif
+
+    switch (target_platform)
+    {
+    case PLATFORM_APPLE:
+    case PLATFORM_WINDOWS:
+        return "";
+    default:
+        sprintf( buffer, ".size %s, .-%s", func, func );
+        return buffer;
+    }
+}
+
+const char *get_asm_string_keyword(void)
+{
+    switch (target_platform)
+    {
+    case PLATFORM_SVR4: return ".asciz";
+    default:            return ".string";
+    }
+}
+
+const char *get_asm_short_keyword(void)
+{
+    switch (target_platform)
+    {
+    case PLATFORM_SVR4: return ".half";
+    default:            return ".short";
+    }
 }