dnl Checks for header files.
AC_CHECK_HEADERS([sys/wait.h fpu_control.h ieeefp.h fenv.h pwd.h])
+dnl Some systems dont have SIGWINCH
+AC_CHECK_DECLS([SIGWINCH], [], [],
+ [#include <signal.h>
+ /* NetBSD declares sys_siglist in unistd.h. */
+ #ifdef HAVE_UNISTD_H
+ # include <unistd.h>
+ #endif
+ ])
+
+
# For gnulib.
gl_INIT
AC_C_INLINE
-AC_CHECK_SIZEOF(double)
+AC_CHECK_SIZEOF([size_t])
+SIZEOF_SIZE_T=$ac_cv_sizeof_size_t
+AC_SUBST([SIZEOF_SIZE_T])
AC_C_BIGENDIAN