+ m4_ifdef([gl_FUNC_MEMCHR_OBSOLETE], [
+ dnl These days, we assume memchr is present. But if support for old
+ dnl platforms is desired:
+ AC_CHECK_FUNCS_ONCE([memchr])
+ if test $ac_cv_func_memchr = no; then
+ HAVE_MEMCHR=0
+ fi
+ ])
+ if test $HAVE_MEMCHR = 1; then