diff -ur AfterStep-2.2.11/libAfterBase/asvector.c AfterStep-2.2.11.new/libAfterBase/asvector.c
--- AfterStep-2.2.11/libAfterBase/asvector.c	2008-12-02 23:35:37.000000000 +0100
+++ AfterStep-2.2.11.new/libAfterBase/asvector.c	2016-11-14 03:08:00.612801550 +0100
@@ -126,7 +126,7 @@
 
 /* finds index of the first element in the vector that is exactly matching specifyed
  * data */
-inline size_t vector_find_data( ASVector *v, void *data )
+extern inline size_t vector_find_data( ASVector *v, void *data )
 {
     register int i ;
     /* word copying is usually faster then raw memory copying */
diff -ur AfterStep-2.2.11/libAfterBase/parse.c AfterStep-2.2.11.new/libAfterBase/parse.c
--- AfterStep-2.2.11/libAfterBase/parse.c	2009-02-12 00:32:02.000000000 +0100
+++ AfterStep-2.2.11.new/libAfterBase/parse.c	2016-11-14 03:06:32.054859699 +0100
@@ -1027,7 +1027,7 @@
 
 static char _as_hex_to_char_table[] = "0123456789ABCDEF";
 
-inline int
+extern inline int
 unsigned_int2buffer_end (char *buffer, int buffer_size, unsigned int val)
 {
 	int i = buffer_size-1 ; 
diff -ur AfterStep-2.2.11/libAfterStep/functions.c AfterStep-2.2.11.new/libAfterStep/functions.c
--- AfterStep-2.2.11/libAfterStep/functions.c	2009-12-11 23:38:48.000000000 +0100
+++ AfterStep-2.2.11.new/libAfterStep/functions.c	2016-11-14 03:04:31.641924138 +0100
@@ -314,7 +314,7 @@
     }
 }
 
-inline FunctionData *
+extern inline FunctionData *
 create_named_function( int func, char *name)
 {
     FunctionData *fdata = safecalloc( 1, sizeof(FunctionData) );
diff -ur AfterStep-2.2.11/libAfterStep/mylook.c AfterStep-2.2.11.new/libAfterStep/mylook.c
--- AfterStep-2.2.11/libAfterStep/mylook.c	2008-01-10 00:23:13.000000000 +0100
+++ AfterStep-2.2.11.new/libAfterStep/mylook.c	2016-11-14 03:10:59.618805004 +0100
@@ -861,7 +861,7 @@
     return NULL;
 }
 
-inline MyDesktopConfig *
+extern inline MyDesktopConfig *
 mylook_get_desk_config(MyLook *look, long desk)
 {
     if( look )
@@ -875,7 +875,7 @@
 }
 
 
-inline MyBackground *
+extern inline MyBackground *
 mylook_get_desk_back(MyLook *look, long desk)
 {
 	MyBackground *myback = NULL ;
@@ -902,7 +902,7 @@
 }
 
 
-inline MyBackground *
+extern inline MyBackground *
 mylook_get_back(MyLook *look, char *name)
 {
     ASHashData hdata = {0};
diff -ur AfterStep-2.2.11/src/afterstep/misc.c AfterStep-2.2.11.new/src/afterstep/misc.c
--- AfterStep-2.2.11/src/afterstep/misc.c	2005-04-01 18:36:57.000000000 +0200
+++ AfterStep-2.2.11.new/src/afterstep/misc.c	2016-11-14 03:09:49.125128119 +0100
@@ -32,14 +32,14 @@
 /****************************************************************************/
 /* window management specifics - button ungrabbing convinience functions:   */
 /****************************************************************************/
-inline void
+extern inline void
 ungrab_window_buttons( Window w )
 {
 	LOCAL_DEBUG_OUT( "w = %lX", w );
     XUngrabButton (dpy, AnyButton, AnyModifier, w);
 }
 
-inline void
+extern inline void
 ungrab_window_keys (Window w )
 {
     XUngrabKey (dpy, AnyKey, AnyModifier, w);