PSI_CHECK_STDDEF() {
+ dnl Though, autoconf manual says "This macro is obsolescent, as current systems
+ dnl have conforming header files. New programs need not use this macro.", in fact
+ dnl AC_INCLUDES_DEFAULT still relies on STDC_HEADERS
+ AC_HEADER_STDC
+
AC_CHECK_HEADERS(stddef.h)
+
PSI_TYPE(ptrdiff_t, int)
PSI_CONST(PTRDIFF_MIN, int)
PSI_CONST(PTRDIFF_MAX, int)