1# argp.m4 serial 8 2dnl Copyright (C) 2003-2007 Free Software Foundation, Inc. 3dnl This file is free software; the Free Software Foundation 4dnl gives unlimited permission to copy and/or distribute it, 5dnl with or without modifications, as long as this notice is preserved. 6 7AC_DEFUN([gl_ARGP], 8[ 9 AC_REQUIRE([AC_C_INLINE]) 10 AC_REQUIRE([AC_C_RESTRICT]) 11 AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) 12 dnl argp-parse.c depends on GNU getopt internals, therefore use GNU getopt 13 dnl always. 14 gl_GETOPT_SUBSTITUTE 15 dnl Note: gl_GETOPT_SUBSTITUTE does AC_LIBOBJ(getopt), AC_LIBOBJ(getopt1). 16 17 AC_CHECK_DECL([program_invocation_name], 18 [AC_DEFINE(HAVE_DECL_PROGRAM_INVOCATION_NAME, 1, 19 [Define if program_invocation_name is declared])], 20 [AC_DEFINE(GNULIB_PROGRAM_INVOCATION_NAME, 1, 21 [Define to 1 to add extern declaration of program_invocation_name to argp.h])], 22 [#include <errno.h>]) 23 AC_CHECK_DECL([program_invocation_short_name], 24 [AC_DEFINE(HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME, 1, 25 [Define if program_invocation_short_name is declared])], 26 [AC_DEFINE(GNULIB_PROGRAM_INVOCATION_SHORT_NAME, 1, 27 [Define to 1 to add extern declaration of program_invocation_short_name to argp.h])], 28 [#include <errno.h>]) 29 30 # Check if program_invocation_name and program_invocation_short_name 31 # are defined elsewhere. It is improbable that only one of them will 32 # be defined and other not, I prefer to stay on the safe side and to 33 # test each one separately. 34 AC_MSG_CHECKING(whether program_invocation_name is defined) 35 AC_TRY_COMPILE([#include <argp.h>], 36 [ program_invocation_name = "test"; ], 37 [ AC_DEFINE(HAVE_PROGRAM_INVOCATION_NAME,1, 38 [Define if program_invocation_name is defined]) 39 AC_MSG_RESULT(yes)], 40 [ AC_MSG_RESULT(no)] ) 41 42 AC_MSG_CHECKING(whether program_invocation_short_name is defined) 43 AC_TRY_COMPILE([#include <argp.h>], 44 [ program_invocation_short_name = "test"; ], 45 [ AC_DEFINE(HAVE_PROGRAM_INVOCATION_SHORT_NAME,1, 46 [Define if program_invocation_short_name is defined]) 47 AC_MSG_RESULT(yes)], 48 [ AC_MSG_RESULT(no)] ) 49 50 AC_CHECK_DECLS_ONCE([clearerr_unlocked]) 51 AC_CHECK_DECLS_ONCE([feof_unlocked]) 52 AC_CHECK_DECLS_ONCE([ferror_unlocked]) 53 AC_CHECK_DECLS_ONCE([fflush_unlocked]) 54 AC_CHECK_DECLS_ONCE([fgets_unlocked]) 55 AC_CHECK_DECLS_ONCE([fputc_unlocked]) 56 AC_CHECK_DECLS_ONCE([fputs_unlocked]) 57 AC_CHECK_DECLS_ONCE([fread_unlocked]) 58 AC_CHECK_DECLS_ONCE([fwrite_unlocked]) 59 AC_CHECK_DECLS_ONCE([getc_unlocked]) 60 AC_CHECK_DECLS_ONCE([getchar_unlocked]) 61 AC_CHECK_DECLS_ONCE([putc_unlocked]) 62 AC_CHECK_DECLS_ONCE([putchar_unlocked]) 63 AC_CHECK_FUNCS_ONCE([flockfile funlockfile]) 64 AC_CHECK_HEADERS_ONCE([features.h linewrap.h]) 65]) 66