| # argp.m4 serial 14 |
| dnl Copyright (C) 2003-2013 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([[#include <argp.h>]], |
| [[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([[#include <argp.h>]], |
| [[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]) |
| ]) |
| |
| dnl argp-parse.c depends on GNU getopt internals, therefore use GNU getopt |
| dnl always. |
| AC_DEFUN([gl_REPLACE_GETOPT_ALWAYS], []) |
