diff --git a/.gitattributes b/.gitattributes
index 1c2546c2d338130e686ea7a386bbdaba7b3f5e0e..6406b1d10234fdbdd0e6659c579a05a7024c2882 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -122,6 +122,7 @@ testfont binary
 /src/build_modlist_h foreign_ident
 /src/builtin_functions.c foreign_ident
 /src/builtin_functions.h foreign_ident
+/src/builtin_functions_t.c foreign_ident
 /src/callback.c foreign_ident
 /src/callback.h foreign_ident
 /src/compilation.h foreign_ident
@@ -164,6 +165,7 @@ testfont binary
 /src/language.yacc foreign_ident
 /src/las.c foreign_ident
 /src/las.h foreign_ident
+/src/las_t.c foreign_ident
 /src/lex.c foreign_ident
 /src/lex.h foreign_ident
 /src/lexer.h foreign_ident
@@ -450,6 +452,7 @@ testfont binary
 /src/peep.c foreign_ident
 /src/peep.h foreign_ident
 /src/peep.in foreign_ident
+/src/peep_t.c foreign_ident
 /src/pike_macros.h foreign_ident
 /src/pike_memory.c foreign_ident
 /src/pike_memory.h foreign_ident
diff --git a/src/builtin_functions_t.c b/src/builtin_functions_t.c
new file mode 100644
index 0000000000000000000000000000000000000000..f12f8125bf7b922d0e691c37c9bee7127f90a5d3
--- /dev/null
+++ b/src/builtin_functions_t.c
@@ -0,0 +1,12 @@
+/*
+ * $Id: builtin_functions_t.c,v 1.1 1999/11/08 20:49:57 grubba Exp $
+ *
+ * Used to strap pike.
+ *
+ * upper_case() & lower_case() are castrated in this file.
+ *
+ * Henrik Grubbström 1999-11-08
+ */
+
+#define IN_TPIKE
+#include "builtin_functions.c"
diff --git a/src/las_t.c b/src/las_t.c
new file mode 100644
index 0000000000000000000000000000000000000000..adb2d2f17e0b45a40b02a1057a6b0e2f2a0b9c51
--- /dev/null
+++ b/src/las_t.c
@@ -0,0 +1,12 @@
+/*
+ * $Id: las_t.c,v 1.1 1999/11/08 20:49:57 grubba Exp $
+ *
+ * Used to strap pike.
+ *
+ * Optimizer is castrated in this file.
+ *
+ * Henrik Grubbström 1999-11-08
+ */
+
+#define IN_TPIKE
+#include "las.c"
diff --git a/src/peep_t.c b/src/peep_t.c
new file mode 100644
index 0000000000000000000000000000000000000000..7a2c6403362262fd46ac0650d9d08ceb3a2cc7b9
--- /dev/null
+++ b/src/peep_t.c
@@ -0,0 +1,12 @@
+/*
+ * $Id: peep_t.c,v 1.1 1999/11/08 20:49:57 grubba Exp $
+ *
+ * Used to strap pike.
+ *
+ * Optimizer is castrated in this file.
+ *
+ * Henrik Grubbström 1999-11-08
+ */
+
+#define IN_TPIKE
+#include "peep.c"