1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
# 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], [])
|
