diff -Nurd pth-2.0.7.orig/Makefile.in pth-2.0.7/Makefile.in
--- pth-2.0.7.orig/Makefile.in	2006-06-08 13:54:01.000000000 -0400
+++ pth-2.0.7/Makefile.in	2024-06-13 12:50:17.000000000 -0400
@@ -53,7 +53,7 @@
 
 SHELL       = /bin/sh
 CC          = @CC@
-CPPFLAGS    = @CPPFLAGS@ -I.
+CPPFLAGS    = -I. @CPPFLAGS@
 CFLAGS      = @CFLAGS@
 LDFLAGS     = @LDFLAGS@
 MKFLAGS     = $(MFLAGS) DESTDIR=$(DESTDIR)
diff -Nurd pth-2.0.7.orig/configure pth-2.0.7/configure
--- pth-2.0.7.orig/configure	2006-06-08 14:14:48.000000000 -0400
+++ pth-2.0.7/configure	2024-06-13 12:37:42.000000000 -0400
@@ -4633,6 +4633,7 @@
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
+#include <stdlib.h>
 #include <ctype.h>
 #if ((' ' & 0x0FF) == 0x020)
 # define ISLOWER(c) ('a' <= (c) && (c) <= 'z')