2 dnl Copyright (C) 2003-2005 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],
15 [AC_DEFINE(GNULIB_PROGRAM_INVOCATION_NAME, 1,
16 [Define to 1 to add extern declaration of program_invocation_name to argp-namefrob.h])],
18 AC_CHECK_DECL([program_invocation_short_name],
20 [AC_DEFINE(GNULIB_PROGRAM_INVOCATION_SHORT_NAME, 1,
21 [Define to 1 to add extern declaration of program_invocation_short_name to argp-namefrob.h])],
24 # Check if program_invocation_name and program_invocation_short_name
25 # are defined elsewhere. It is improbable that only one of them will
26 # be defined and other not, I prefer to stay on the safe side and to
27 # test each one separately.
28 AC_MSG_CHECKING(whether program_invocation_name is defined)
29 AC_TRY_COMPILE([#include <argp.h>],
30 [ program_invocation_name = "test"; ],
31 [ AC_DEFINE(HAVE_PROGRAM_INVOCATION_NAME,1,
32 [Define if program_invocation_name is defined])
34 [ AC_MSG_RESULT(no)] )
36 AC_MSG_CHECKING(whether program_invocation_short_name is defined)
37 AC_TRY_COMPILE([#include <argp.h>],
38 [ program_invocation_short_name = "test"; ],
39 [ AC_DEFINE(HAVE_PROGRAM_INVOCATION_SHORT_NAME,1,
40 [Define if program_invocation_short_name is defined])
42 [ AC_MSG_RESULT(no)] )
45 [clearerr_unlocked feof_unlocked ferror_unlocked
46 fflush_unlocked fgets_unlocked fputc_unlocked fputs_unlocked
47 fread_unlocked fwrite_unlocked getc_unlocked
48 getchar_unlocked putc_unlocked putchar_unlocked])
49 AC_CHECK_FUNCS_ONCE([flockfile funlockfile])
50 AC_CHECK_HEADERS_ONCE([features.h linewrap.h])