diff --git a/tools/makedep.c b/tools/makedep.c
index bdeae8f65ad..825458156fb 100644
--- a/tools/makedep.c
+++ b/tools/makedep.c
@@ -3349,6 +3349,7 @@ static void output_module( struct makefile *make )
         strarray_add( &make->all_targets, unix_lib );
         add_install_rule( make, make->module, unix_lib, strmake( "p$(dlldir)/%s", unix_lib ));
         output( "%s:", unix_lib );
+        if (spec_file) output_filename( spec_file );
         output_filenames_obj_dir( make, make->unixobj_files );
         output_filenames( unix_deps );
         output_filename( tools_path( make, "winebuild" ));
@@ -3357,6 +3358,7 @@ static void output_module( struct makefile *make )
         output_winegcc_command( make, 0 );
         output_filename( "-munix" );
         output_filename( "-shared" );
+        if (spec_file) output_filename( spec_file );
         if (strarray_exists( &make->extradllflags, "-nodefaultlibs" )) output_filename( "-nodefaultlibs" );
         output_filenames_obj_dir( make, make->unixobj_files );
         output_filenames( unix_libs );
diff --git a/tools/winebuild/import.c b/tools/winebuild/import.c
index 616b9842ce6..125b6132b65 100644
--- a/tools/winebuild/import.c
+++ b/tools/winebuild/import.c
@@ -460,6 +460,9 @@ static void add_undef_import( const char *name, int is_ordinal )
 static int has_stubs( const DLLSPEC *spec )
 {
     int i;
+
+    if (unix_lib) return 0;
+
     for (i = 0; i < spec->nb_entry_points; i++)
     {
         ORDDEF *odp = &spec->entry_points[i];
@@ -503,6 +506,8 @@ static void check_undefined_forwards( DLLSPEC *spec )
     char *link_name, *api_name, *dll_name, *p;
     int i;
 
+    if (unix_lib) return;
+
     for (i = 0; i < spec->nb_entry_points; i++)
     {
         ORDDEF *odp = &spec->entry_points[i];
@@ -533,6 +538,8 @@ static void check_undefined_exports( DLLSPEC *spec )
 {
     int i;
 
+    if (unix_lib) return;
+
     for (i = 0; i < spec->nb_entry_points; i++)
     {
         ORDDEF *odp = &spec->entry_points[i];
@@ -570,6 +577,8 @@ static char *create_undef_symbols_file( DLLSPEC *spec )
     int i;
     unsigned int j;
 
+    if (unix_lib) return NULL;
+
     as_file = open_temp_output_file( ".s" );
     output( "\t.data\n" );
 
diff --git a/tools/winebuild/spec32.c b/tools/winebuild/spec32.c
index 5f74d2f29be..f7eeb785b80 100644
--- a/tools/winebuild/spec32.c
+++ b/tools/winebuild/spec32.c
@@ -96,6 +96,13 @@ static int has_relays( DLLSPEC *spec )
     return 0;
 }
 
+static int get_exports_count( DLLSPEC *spec )
+{
+    if (unix_lib) return 0;
+    if (spec->base > spec->limit) return 0;
+    return spec->limit - spec->base + 1;
+}
+
 static int cmp_func_args( const void *p1, const void *p2 )
 {
     const ORDDEF *odp1 = *(const ORDDEF **)p1;
@@ -384,7 +391,7 @@ void output_exports( DLLSPEC *spec )
     int i, fwd_size = 0;
     int needs_imports = 0;
     int needs_relay = has_relays( spec );
-    int nr_exports = spec->base <= spec->limit ? spec->limit - spec->base + 1 : 0;
+    int nr_exports = get_exports_count( spec );
     const char *func_ptr = (target_platform == PLATFORM_WINDOWS) ? ".rva" : get_asm_ptr_keyword();
     const char *name;
 
@@ -704,7 +711,7 @@ void output_module( DLLSPEC *spec )
     output( "\t.long 0\n" );              /* LoaderFlags */
     output( "\t.long 16\n" );             /* NumberOfRvaAndSizes */
 
-    if (spec->base <= spec->limit)
+    if (get_exports_count( spec ))
         data_dirs[0] = ".L__wine_spec_exports";   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT] */
     if (has_imports())
         data_dirs[1] = ".L__wine_spec_imports";   /* DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT] */