kc3-lang/gnulib/m4/argp.m4

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

  maint: run 'make update-copyright'
  

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• m4/argp.m4

• # argp.m4 serial 16
  dnl Copyright (C) 2003-2023 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_ARGP],
  [
    AC_REQUIRE([AC_C_INLINE])
    AC_REQUIRE([AC_C_RESTRICT])
    AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
  
    AC_CHECK_DECLS([program_invocation_name],
      [],
      [AC_DEFINE([GNULIB_PROGRAM_INVOCATION_NAME], [1],
         [Define to 1 to add extern declaration of program_invocation_name to argp.h])],
      [[#include <errno.h>]])
    AC_CHECK_DECLS([program_invocation_short_name],
      [],
      [AC_DEFINE([GNULIB_PROGRAM_INVOCATION_SHORT_NAME], [1],
         [Define to 1 to add extern declaration of program_invocation_short_name to argp.h])],
      [[#include <errno.h>]])
  
    # Check if program_invocation_name and program_invocation_short_name
    # are defined elsewhere. It is improbable that only one of them will
    # be defined and other not, I prefer to stay on the safe side and to
    # test each one separately.
    AC_MSG_CHECKING([whether program_invocation_name is defined])
    AC_LINK_IFELSE(
      [AC_LANG_PROGRAM(
         [[extern char *program_invocation_name;]],
         [[program_invocation_name = "test";]])],
      [AC_DEFINE([HAVE_PROGRAM_INVOCATION_NAME], [1],
         [Define if program_invocation_name is defined])
       AC_MSG_RESULT([yes])
      ],
      [AC_MSG_RESULT([no])])
  
    AC_MSG_CHECKING([whether program_invocation_short_name is defined])
    AC_LINK_IFELSE(
      [AC_LANG_PROGRAM(
         [[extern char *program_invocation_short_name;]],
         [[program_invocation_short_name = "test";]])],
      [AC_DEFINE([HAVE_PROGRAM_INVOCATION_SHORT_NAME], [1],
         [Define if program_invocation_short_name is defined])
       AC_MSG_RESULT([yes])
      ],
      [AC_MSG_RESULT([no])])
  
    AC_CHECK_DECLS_ONCE([clearerr_unlocked])
    AC_CHECK_DECLS_ONCE([feof_unlocked])
    AC_CHECK_DECLS_ONCE([ferror_unlocked])
    AC_CHECK_DECLS_ONCE([fflush_unlocked])
    AC_CHECK_DECLS_ONCE([fgets_unlocked])
    AC_CHECK_DECLS_ONCE([fputc_unlocked])
    AC_CHECK_DECLS_ONCE([fputs_unlocked])
    AC_CHECK_DECLS_ONCE([fread_unlocked])
    AC_CHECK_DECLS_ONCE([fwrite_unlocked])
    AC_CHECK_DECLS_ONCE([getc_unlocked])
    AC_CHECK_DECLS_ONCE([getchar_unlocked])
    AC_CHECK_DECLS_ONCE([putc_unlocked])
    AC_CHECK_DECLS_ONCE([putchar_unlocked])
    AC_CHECK_FUNCS_ONCE([flockfile funlockfile])
    AC_CHECK_HEADERS_ONCE([features.h linewrap.h])
    AC_REQUIRE([AC_FUNC_STRERROR_R])
  ])
  
  dnl argp-parse.c depends on GNU getopt internals, therefore use GNU getopt
  dnl always.
  AC_DEFUN([gl_REPLACE_GETOPT_ALWAYS], [])
  

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