kc3-lang/gnulib/m4/flock.m4

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• Hash : e69247d7
  Author :
  Date : 2008-10-03T14:58:14
  

  flock: new module
  
  * MODULES.html.sh: Add to list of modules.
  * lib/flock.c: flock implementation for Windows and Unix systems
  which have fcntl.
  * doc/glibc-functions/flock.texi: Update documentation.
  * lib/sys_file.in.h: <sys/file.h> header file.
  * m4/flock.m4: M4 macros.
  * m4/sys_file_h.m4: M4 macros for replacement sys/file.h.
  * modules/flock: flock module.
  * modules/flock-tests: flock tests module.
  * modules/sys_file: sys/file.h module.
  * tests/test-flock.c: test suite for flock.
  

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• m4/flock.m4

• # flock.m4 serial 1
  dnl Copyright (C) 2008 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_HEADER_SYS_FILE_H_DEFAULTS])
    AC_CHECK_FUNCS_ONCE([flock])
    if test $ac_cv_func_flock = no; then
      HAVE_FLOCK=0
      AC_LIBOBJ([flock])
      gl_PREREQ_FLOCK
    fi
  ])
  
  dnl Prerequisites of lib/flock.c.
  AC_DEFUN([gl_PREREQ_FLOCK],
  [
    AC_CHECK_FUNCS_ONCE([fcntl])
    AC_CHECK_HEADERS_ONCE([unistd.h fcntl.h])
  
    dnl Do we have a POSIX fcntl lock implementation?
    AC_CHECK_MEMBERS([struct flock.l_type],[],[],[[#include <fcntl.h>]])
  ])
  

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