diff --git a/ChangeLog b/ChangeLog
index e57a43a87..4db1eeb80 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2003-07-17 Stefan Jones <stefan.jones@multigig.com>
+
+	* configure.in src/xspice/xspice.c :
+	Fix compile problems with garbage collector
+
 2003-07-17 Steven Borley <sjb@salix.demon.co.uk>
 
 	* src/frontend/resource.c src/frontend/parser/complete.c
diff --git a/configure.in b/configure.in
index b3881c9f1..3e4b6c469 100644
--- a/configure.in
+++ b/configure.in
@@ -292,9 +292,12 @@ AC_CHECK_HEADERS(float.h limits.h values.h)
 dnl Check for a few mathematical functions:
 AC_CHECK_FUNCS(erfc logb scalb scalbn asinh acosh atanh)
 
+if test "$TCL_PACKAGE_PATH" = ""
+then
 AC_MSG_RESULT(Checking for the presence of the Garbage Collector:)
 dnl Check for the garbage collector:
 AC_CHECK_LIB(gc,GC_malloc,AC_DEFINE(HAVE_LIBGC) LIBS="$LIBS -lgc")
+fi
 
 dnl Check for the asprintf function:
 AC_CHECK_FUNCS(asprintf)
diff --git a/src/xspice/xspice.c b/src/xspice/xspice.c
index 4839e967d..3c89f0097 100755
--- a/src/xspice/xspice.c
+++ b/src/xspice/xspice.c
@@ -8,8 +8,9 @@
 void *tcalloc(size_t a, size_t b){
   return tmalloc(a*b);
 }
-int MIFunsetup(GENmodel *model, CKTcircuit *ckt){
-  return 0;
+
+static void *empty(void){
+  return NULL;
 }
 
 struct coreInfo_t  coreInfo =
@@ -18,7 +19,7 @@ struct coreInfo_t  coreInfo =
   MIFgetMod,
   MIFgetValue,
   MIFsetup,
-  MIFunsetup,
+  (int (*)(GENmodel *, CKTcircuit *))empty,
   MIFload,
   MIFmParam,
   MIFask,
@@ -57,14 +58,24 @@ struct coreInfo_t  coreInfo =
   cm_complex_subtract,
   cm_complex_multiply,
   cm_complex_divide,
-  NULL,
-  NULL,
-  NULL,
+  (FILE *(*)(void))empty,
+  (FILE *(*)(void))empty,
+  (FILE *(*)(void))empty,
+#ifndef HAVE_LIBGC
   tmalloc,
   tcalloc,
   trealloc,
   txfree,
-  tmalloc,
-  trealloc,
-  txfree
+  (char *(*)(int))tmalloc,
+  (char *(*)(char *,int))trealloc,
+  (void (*)(char *))txfree
+#else
+  GC_malloc,
+  tcalloc,
+  GC_realloc,
+  (void (*)(void *))empty,
+  (char *(*)(int))GC_malloc,
+  (char *(*)(char *,int))GC_realloc,
+  (void (*)(char *))empty      
+#endif
 };