| 1 | # argp.m4 serial 14 |
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| 2 | dnl Copyright (C) 2003-2013 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 | |
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| 13 | AC_CHECK_DECLS([program_invocation_name], [], |
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| 14 | [AC_DEFINE([GNULIB_PROGRAM_INVOCATION_NAME], [1], |
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| 15 | [Define to 1 to add extern declaration of program_invocation_name to argp.h])], |
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| 16 | [[#include <errno.h>]]) |
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| 17 | AC_CHECK_DECLS([program_invocation_short_name], [], |
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| 18 | [AC_DEFINE([GNULIB_PROGRAM_INVOCATION_SHORT_NAME], [1], |
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| 19 | [Define to 1 to add extern declaration of program_invocation_short_name to argp.h])], |
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| 20 | [[#include <errno.h>]]) |
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| 21 | |
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| 22 | # Check if program_invocation_name and program_invocation_short_name |
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| 23 | # are defined elsewhere. It is improbable that only one of them will |
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| 24 | # be defined and other not, I prefer to stay on the safe side and to |
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| 25 | # test each one separately. |
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| 26 | AC_MSG_CHECKING([whether program_invocation_name is defined]) |
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| 27 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <argp.h>]], |
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| 28 | [[program_invocation_name = "test";]])], |
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| 29 | [AC_DEFINE([HAVE_PROGRAM_INVOCATION_NAME], [1], |
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| 30 | [Define if program_invocation_name is defined]) |
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| 31 | AC_MSG_RESULT([yes])], |
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| 32 | [AC_MSG_RESULT([no])]) |
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| 33 | |
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| 34 | AC_MSG_CHECKING([whether program_invocation_short_name is defined]) |
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| 35 | AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <argp.h>]], |
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| 36 | [[program_invocation_short_name = "test";]])], |
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| 37 | [AC_DEFINE([HAVE_PROGRAM_INVOCATION_SHORT_NAME], [1], |
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| 38 | [Define if program_invocation_short_name is defined]) |
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| 39 | AC_MSG_RESULT([yes])], |
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| 40 | [AC_MSG_RESULT([no])]) |
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| 41 | |
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| 42 | AC_CHECK_DECLS_ONCE([clearerr_unlocked]) |
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| 43 | AC_CHECK_DECLS_ONCE([feof_unlocked]) |
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| 44 | AC_CHECK_DECLS_ONCE([ferror_unlocked]) |
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| 45 | AC_CHECK_DECLS_ONCE([fflush_unlocked]) |
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| 46 | AC_CHECK_DECLS_ONCE([fgets_unlocked]) |
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| 47 | AC_CHECK_DECLS_ONCE([fputc_unlocked]) |
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| 48 | AC_CHECK_DECLS_ONCE([fputs_unlocked]) |
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| 49 | AC_CHECK_DECLS_ONCE([fread_unlocked]) |
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| 50 | AC_CHECK_DECLS_ONCE([fwrite_unlocked]) |
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| 51 | AC_CHECK_DECLS_ONCE([getc_unlocked]) |
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| 52 | AC_CHECK_DECLS_ONCE([getchar_unlocked]) |
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| 53 | AC_CHECK_DECLS_ONCE([putc_unlocked]) |
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| 54 | AC_CHECK_DECLS_ONCE([putchar_unlocked]) |
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| 55 | AC_CHECK_FUNCS_ONCE([flockfile funlockfile]) |
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| 56 | AC_CHECK_HEADERS_ONCE([features.h linewrap.h]) |
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| 57 | ]) |
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| 58 | |
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| 59 | dnl argp-parse.c depends on GNU getopt internals, therefore use GNU getopt |
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| 60 | dnl always. |
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| 61 | AC_DEFUN([gl_REPLACE_GETOPT_ALWAYS], []) |
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