| 1 | # argp.m4 serial 7
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| 2 | dnl Copyright (C) 2003-2006 Free Software Foundation, Inc.
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| 3 | dnl This file is free software; the Free Software Foundation
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| 4 | dnl gives unlimited permission to copy and/or distribute it,
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| 5 | dnl with or without modifications, as long as this notice is preserved.
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| 6 |
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| 7 | AC_DEFUN([gl_ARGP],
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| 8 | [
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| 9 | AC_REQUIRE([AC_C_INLINE])
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| 10 | AC_REQUIRE([AC_C_RESTRICT])
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| 11 | AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
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| 12 | AC_REQUIRE([gl_GETOPT_SUBSTITUTE])
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| 13 |
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| 14 | AC_CHECK_DECL([program_invocation_name],
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| 15 | [AC_DEFINE(HAVE_DECL_PROGRAM_INVOCATION_NAME, 1,
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| 16 | [Define if program_invocation_name is declared])],
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| 17 | [AC_DEFINE(GNULIB_PROGRAM_INVOCATION_NAME, 1,
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| 18 | [Define to 1 to add extern declaration of program_invocation_name to argp.h])],
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| 19 | [#include <errno.h>])
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| 20 | AC_CHECK_DECL([program_invocation_short_name],
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| 21 | [AC_DEFINE(HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME, 1,
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| 22 | [Define if program_invocation_short_name is declared])],
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| 23 | [AC_DEFINE(GNULIB_PROGRAM_INVOCATION_SHORT_NAME, 1,
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| 24 | [Define to 1 to add extern declaration of program_invocation_short_name to argp.h])],
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| 25 | [#include <errno.h>])
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| 26 |
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| 27 | # Check if program_invocation_name and program_invocation_short_name
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| 28 | # are defined elsewhere. It is improbable that only one of them will
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| 29 | # be defined and other not, I prefer to stay on the safe side and to
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| 30 | # test each one separately.
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| 31 | AC_MSG_CHECKING(whether program_invocation_name is defined)
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| 32 | AC_TRY_COMPILE([#include <argp.h>],
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| 33 | [ program_invocation_name = "test"; ],
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| 34 | [ AC_DEFINE(HAVE_PROGRAM_INVOCATION_NAME,1,
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| 35 | [Define if program_invocation_name is defined])
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| 36 | AC_MSG_RESULT(yes)],
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| 37 | [ AC_MSG_RESULT(no)] )
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| 38 |
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| 39 | AC_MSG_CHECKING(whether program_invocation_short_name is defined)
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| 40 | AC_TRY_COMPILE([#include <argp.h>],
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| 41 | [ program_invocation_short_name = "test"; ],
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| 42 | [ AC_DEFINE(HAVE_PROGRAM_INVOCATION_SHORT_NAME,1,
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| 43 | [Define if program_invocation_short_name is defined])
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| 44 | AC_MSG_RESULT(yes)],
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| 45 | [ AC_MSG_RESULT(no)] )
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| 46 |
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| 47 | AC_CHECK_DECLS_ONCE([clearerr_unlocked])
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| 48 | AC_CHECK_DECLS_ONCE([feof_unlocked])
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| 49 | AC_CHECK_DECLS_ONCE([ferror_unlocked])
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| 50 | AC_CHECK_DECLS_ONCE([fflush_unlocked])
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| 51 | AC_CHECK_DECLS_ONCE([fgets_unlocked])
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| 52 | AC_CHECK_DECLS_ONCE([fputc_unlocked])
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| 53 | AC_CHECK_DECLS_ONCE([fputs_unlocked])
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| 54 | AC_CHECK_DECLS_ONCE([fread_unlocked])
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| 55 | AC_CHECK_DECLS_ONCE([fwrite_unlocked])
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| 56 | AC_CHECK_DECLS_ONCE([getc_unlocked])
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| 57 | AC_CHECK_DECLS_ONCE([getchar_unlocked])
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| 58 | AC_CHECK_DECLS_ONCE([putc_unlocked])
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| 59 | AC_CHECK_DECLS_ONCE([putchar_unlocked])
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| 60 | AC_CHECK_FUNCS_ONCE([flockfile funlockfile])
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| 61 | AC_CHECK_HEADERS_ONCE([features.h linewrap.h])
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| 62 | ])
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