2 dnl Copyright (C) 2003-2006 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
9 AC_REQUIRE([AC_C_INLINE])
10 AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
11 AC_REQUIRE([gl_GETOPT_SUBSTITUTE])
13 AC_CHECK_DECL([program_invocation_name],
14 [AC_DEFINE(HAVE_DECL_PROGRAM_INVOCATION_NAME, 1,
15 [Define if program_invocation_name is declared])],
16 [AC_DEFINE(GNULIB_PROGRAM_INVOCATION_NAME, 1,
17 [Define to 1 to add extern declaration of program_invocation_name to argp-namefrob.h])],
19 AC_CHECK_DECL([program_invocation_short_name],
20 [AC_DEFINE(HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME, 1,
21 [Define if program_invocation_short_name is declared])],
22 [AC_DEFINE(GNULIB_PROGRAM_INVOCATION_SHORT_NAME, 1,
23 [Define to 1 to add extern declaration of program_invocation_short_name to argp-namefrob.h])],
26 # Check if program_invocation_name and program_invocation_short_name
27 # are defined elsewhere. It is improbable that only one of them will
28 # be defined and other not, I prefer to stay on the safe side and to
29 # test each one separately.
30 AC_MSG_CHECKING(whether program_invocation_name is defined)
31 AC_TRY_COMPILE([#include <argp.h>],
32 [ program_invocation_name = "test"; ],
33 [ AC_DEFINE(HAVE_PROGRAM_INVOCATION_NAME,1,
34 [Define if program_invocation_name is defined])
36 [ AC_MSG_RESULT(no)] )
38 AC_MSG_CHECKING(whether program_invocation_short_name is defined)
39 AC_TRY_COMPILE([#include <argp.h>],
40 [ program_invocation_short_name = "test"; ],
41 [ AC_DEFINE(HAVE_PROGRAM_INVOCATION_SHORT_NAME,1,
42 [Define if program_invocation_short_name is defined])
44 [ AC_MSG_RESULT(no)] )
46 AC_CHECK_DECLS_ONCE([clearerr_unlocked])
47 AC_CHECK_DECLS_ONCE([feof_unlocked])
48 AC_CHECK_DECLS_ONCE([ferror_unlocked])
49 AC_CHECK_DECLS_ONCE([fflush_unlocked])
50 AC_CHECK_DECLS_ONCE([fgets_unlocked])
51 AC_CHECK_DECLS_ONCE([fputc_unlocked])
52 AC_CHECK_DECLS_ONCE([fputs_unlocked])
53 AC_CHECK_DECLS_ONCE([fread_unlocked])
54 AC_CHECK_DECLS_ONCE([fwrite_unlocked])
55 AC_CHECK_DECLS_ONCE([getc_unlocked])
56 AC_CHECK_DECLS_ONCE([getchar_unlocked])
57 AC_CHECK_DECLS_ONCE([putc_unlocked])
58 AC_CHECK_DECLS_ONCE([putchar_unlocked])
59 AC_CHECK_FUNCS_ONCE([flockfile funlockfile])
60 AC_CHECK_HEADERS_ONCE([features.h linewrap.h])