ADDED   build/tcc-patches/0.9.26/tcc-0.9.26-extradefines.diff
Index: build/tcc-patches/0.9.26/tcc-0.9.26-extradefines.diff
==================================================================
--- /dev/null
+++ build/tcc-patches/0.9.26/tcc-0.9.26-extradefines.diff
@@ -0,0 +1,13 @@
+diff -uNr tcc-0.9.26.orig/libtcc.c tcc-0.9.26-1extradefines/libtcc.c
+--- tcc-0.9.26.orig/libtcc.c	2013-02-15 08:24:00.000000000 -0600
++++ tcc-0.9.26-1extradefines/libtcc.c	2014-06-23 15:00:38.479507000 -0500
+@@ -980,6 +980,9 @@
+ #else
+     tcc_define_symbol(s, "__WCHAR_TYPE__", "int");
+ #endif
++#ifdef __LP64__
++    tcc_define_symbol(s, "__LP64__", "1");
++#endif
+ 
+ #ifndef TCC_TARGET_PE
+     /* glibc defines */

Index: test.tcl
==================================================================
--- test.tcl
+++ test.tcl
@@ -115,11 +115,14 @@
 	file delete $tmpfile
 }
 
 # More involved test
 set handle [tcc4tcl::new]
-$handle ccode {#include <curl/curl.h>}
+$handle ccode {
+#include <stdint.h>
+#include <curl/curl.h>
+}
 $handle cwrap curl_version {} vstring
 $handle cproc curl_fetch {char* url} ok {
 	void *handle;
 
 	handle = curl_easy_init();