The correct name is in wheezy's version of the Autoconf archive, so I
guess it's not that new really.
dnl Find out whether very long integer types are available.
AC_CHECK_HEADERS([stdint.h])
AC_SUBST([have_stdint_h])
dnl Find out whether very long integer types are available.
AC_CHECK_HEADERS([stdint.h])
AC_SUBST([have_stdint_h])
dnl Some equipment wanted for checking CPU features at runtime.
AC_CHECK_HEADERS([asm/hwcap.h])
dnl Some equipment wanted for checking CPU features at runtime.
AC_CHECK_HEADERS([asm/hwcap.h])