kc3-lang/gnulib/m4/unlink-busy.m4

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• Hash : bde2cf6e
  Author :
  Date : 2006-04-24T17:50:05
  

  * unlink-busy.m4 (gl_FUNC_UNLINK_BUSY_TEXT): Use prototype
  to define main with arguments, for C++.  Reported by Eric Blake.
  * c-stack.m4 (AC_SYS_XSI_STACK_OVERFLOW_HEURISTIC):
  Prefer 'int main ()' to 'int main (void)', for C++.
  * getcwd-path-max.m4 (gl_FUNC_GETCWD_PATH_MAX): Likewise.
  * fsusage.m4 (gl_FILE_SYSTEM_USAGE): Specify a return type
  for 'main', for C99 and C++.
  

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• m4/unlink-busy.m4

• #serial 10
  
  dnl From J. David Anglin.
  
  dnl HPUX and other systems can't unlink shared text that is being executed.
  
  # Copyright (C) 2000, 2001, 2004, 2006 Free Software Foundation, Inc.
  # This file is free software; the Free Software Foundation
  # gives unlimited permission to copy and/or distribute it,
  # with or without modifications, as long as this notice is preserved.
  
  AC_DEFUN([gl_FUNC_UNLINK_BUSY_TEXT],
  [dnl
    AC_CACHE_CHECK([whether a running program can be unlinked],
      jm_cv_func_unlink_busy_text,
      [
        AC_RUN_IFELSE(
          [AC_LANG_SOURCE(
             [AC_INCLUDES_DEFAULT
  	    int
  	    main (int argc, char **argv)
  	    {
  	      return !argc || unlink (argv[0]) != 0;
  	    }])],
        jm_cv_func_unlink_busy_text=yes,
        jm_cv_func_unlink_busy_text=no,
        jm_cv_func_unlink_busy_text=no
        )
      ]
    )
  
    if test $jm_cv_func_unlink_busy_text = no; then
      INSTALL=$ac_install_sh
    fi
  ])
  

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