m4/jm-glibc-io.m4

   1 #serial 7 -*- autoconf -*-
   2
   3 dnl From Jim Meyering.
   4 dnl
   5 dnl See if the glibc *_unlocked I/O macros are available.
   6 dnl Use only those *_unlocked macros that are declared.
   7 dnl
   8
   9 AC_DEFUN([jm_FUNC_GLIBC_UNLOCKED_IO],
  10   [AC_CHECK_DECLS(
  11      [clearerr_unlocked, feof_unlocked, ferror_unlocked,
  12       fflush_unlocked, fgets_unlocked, fputc_unlocked, fputs_unlocked,
  13       fread_unlocked, fwrite_unlocked, getc_unlocked,
  14       getchar_unlocked, putc_unlocked, putchar_unlocked])])