dnl--------------------------------------------------------------------------
dnl C programming environment.
+CATACOMB_LIBS=
+
dnl Find out if we're cross-compiling.
AM_CONDITIONAL([CROSS_COMPILING], [test "$cross_compiling" = yes])
dnl Functions used for noise-gathering.
AC_CHECK_FUNCS([setgroups])
+AC_CHECK_HEADERS([linux/random.h])
+mdw_ORIG_LIBS=$LIBS LIBS=$CATACOMB_LIBS
+AC_SEARCH_LIBS([clock_gettime], [rt])
+CATACOMB_LIBS=$LIBS LIBS=$mdw_ORIG_LIBS
+if test $ac_cv_search_clock_gettime != no; then
+ AC_DEFINE([HAVE_CLOCK_GETTIME], [1],
+ [Define if you have the \`clock_gettime' function.])
+fi
+AC_CHECK_FUNCS([getentropy])
AC_CACHE_CHECK([whether the freewheel noise generator will work],
[catacomb_cv_freewheel],
[AC_TRY_LINK(
dnl Memory locking support.
AC_CHECK_FUNCS([mlock])
+dnl Set the master libraries we need.
+AC_SUBST([CATACOMB_LIBS])
+
dnl Necessary support libraries.
PKG_CHECK_MODULES([mLib], [mLib >= 2.2.2.1])
AM_CFLAGS="$AM_CFLAGS $mLib_CFLAGS"