adds support for --with-pydebug configure option
diff --git a/configure.in b/configure.in
index 73c8b7a..3af6c3f 100644
--- a/configure.in
+++ b/configure.in
@@ -658,6 +658,16 @@
AC_CHECK_LIB(dl, dlopen) # Dynamic linking for SunOS/Solaris and SYSV
AC_CHECK_LIB(dld, shl_load) # Dynamic linking for HP-UX
+# Check for --with-pydebug
+AC_MSG_CHECKING(for --with-pydebug)
+AC_ARG_WITH(pydebug,
+[ --with-pydebug build with Py_DEBUG defined], [
+if test "$withval" != no
+then AC_DEFINE(Py_DEBUG) AC_MSG_RESULT(yes)
+else AC_MSG_RESULT(no)
+fi],
+[AC_MSG_RESULT(no)])
+
# checks for system dependent C++ extensions support
case "$ac_sys_system" in
AIX*) AC_MSG_CHECKING(for genuine AIX C++ extensions support)