2 files changed, 7 insertions, 4 deletions
diff --git a/Makefile b/Makefile
index fb47d21a..7d56a18e 100644
--- a/Makefile
+++ b/Makefile
@@ -32,7 +32,7 @@ evaluate.o: $(LIB_H)
 expression.o: $(LIB_H)
 lib.o: $(LIB_H)
 parse.o: $(LIB_H)
-pre-process.o: $(LIB_H)
+pre-process.o: $(LIB_H) pre-process.h
 scope.o: $(LIB_H)
 show-parse.o: $(LIB_H)
 symbol.o: $(LIB_H)
@@ -40,5 +40,8 @@ test-lexing.o: $(LIB_H)
 test-parsing.o: $(LIB_H)
 tokenize.o: $(LIB_H)
 
+pre-process.h:
+	echo "#define GCC_INTERNAL_INCLUDE \"`gcc -print-file-name=include`\"" > pre-process.h
+
 clean:
-	rm -f *.[oasi] core core.[0-9]* $(PROGRAMS)
+	rm -f *.[oasi] core core.[0-9]* $(PROGRAMS) pre-process.h
diff --git a/pre-process.c b/pre-process.c
index ce00a869..173904d8 100644
--- a/pre-process.c
+++ b/pre-process.c
@@ -18,6 +18,7 @@
 #include <fcntl.h>
 #include <limits.h>
 
+#include "pre-process.h"
 #include "lib.h"
 #include "parse.h"
 #include "token.h"
@@ -45,8 +46,7 @@ const char *sys_includepath[] = {
 };
 
 const char *gcc_includepath[] = {
-	"/usr/lib/gcc-lib/i386-redhat-linux/3.2.1/include",
-	"/usr/lib/gcc-lib/i386-redhat-linux/3.2.2/include",
+	GCC_INTERNAL_INCLUDE,
 	NULL
 };