--- sqlite-2.8.17.old/Makefile.in
+++ sqlite-2.8.17/Makefile.in
@@ -269,6 +269,7 @@
 #
 config.h:	
 	echo '#include <stdio.h>' >temp.c
+	echo '#include <stdlib.h>' >>temp.c
 	echo 'int main(){printf(' >>temp.c
 	echo '"#define SQLITE_PTR_SZ %d",sizeof(char*));' >>temp.c
 	echo 'exit(0);}' >>temp.c
--- sqlite-2.8.17.old/main.mk
+++ sqlite-2.8.17/main.mk
@@ -240,6 +240,7 @@
 #
 config.h:	
 	echo '#include <stdio.h>' >temp.c
+	echo '#include <stdlib.h>' >>temp.c
 	echo 'int main(){printf(' >>temp.c
 	echo '"#define SQLITE_PTR_SZ %d",sizeof(char*));' >>temp.c
 	echo 'exit(0);}' >>temp.c
--- sqlite-2.8.17.old/tool/lemon.c
+++ sqlite-2.8.17/tool/lemon.c
@@ -11,6 +11,7 @@
 #include <string.h>
 #include <ctype.h>
 #include <stdlib.h>
+#include <unistd.h>
 
 #ifndef __WIN32__
 #   if defined(_WIN32) || defined(WIN32)