kc3-lang/gnulib/m4/flock.m4

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• Hash : 32a72f45
  Author :
  Date : 2023-01-01T01:14:21
  

  maint: run 'make update-copyright'
  

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• m4/flock.m4

• # flock.m4 serial 4
  dnl Copyright (C) 2008-2023 Free Software Foundation, Inc.
  dnl This file is free software; the Free Software Foundation
  dnl gives unlimited permission to copy and/or distribute it,
  dnl with or without modifications, as long as this notice is preserved.
  
  AC_DEFUN([gl_FUNC_FLOCK],
  [
    AC_REQUIRE([gl_SYS_FILE_H_DEFAULTS])
    AC_CHECK_FUNCS_ONCE([flock])
    if test $ac_cv_func_flock = no; then
      HAVE_FLOCK=0
    fi
  ])
  
  dnl Prerequisites of lib/flock.c.
  AC_DEFUN([gl_PREREQ_FLOCK],
  [
    AC_CHECK_FUNCS_ONCE([fcntl])
    AC_CHECK_HEADERS_ONCE([unistd.h])
  
    dnl Do we have a POSIX fcntl lock implementation?
    AC_CHECK_MEMBERS([struct flock.l_type],[],[],[[#include <fcntl.h>]])
  ])
  

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