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dnl Checks for getrandom support (glibc 2.25+, musl 1.1.20+)
dnl
AC_DEFUN([AC_GETRANDOM], [
AC_MSG_CHECKING(for getrandom())
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[
#include <stdlib.h> /* for NULL */
#include <sys/random.h>
]],
[[ return getrandom(NULL, 0U, 0U); ]] )],
[AC_DEFINE([HAVE_GETRANDOM], [1], [Define to 1 if you have the `getrandom' function.])
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
AC_SUBST(HAVE_GETRANDOM)
])
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