170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* 270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * ckconfig.c 370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * 470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * Copyright (C) 1991-1994, Thomas G. Lane. 570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * This file is part of the Independent JPEG Group's software. 670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * For conditions of distribution and use, see the accompanying README file. 770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* 1070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * This program is intended to help you determine how to configure the JPEG 1170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * software for installation on a particular system. The idea is to try to 1270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * compile and execute this program. If your compiler fails to compile the 1370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * program, make changes as indicated in the comments below. Once you can 1470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * compile the program, run it, and it will produce a "jconfig.h" file for 1570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * your system. 1670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * 1770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * As a general rule, each time you try to compile this program, 1870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * pay attention only to the *first* error message you get from the compiler. 1970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * Many C compilers will issue lots of spurious error messages once they 2070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * have gotten confused. Go to the line indicated in the first error message, 2170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * and read the comments preceding that line to see what to change. 2270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * 2370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * Almost all of the edits you may need to make to this program consist of 2470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * changing a line that reads "#define SOME_SYMBOL" to "#undef SOME_SYMBOL", 2570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * or vice versa. This is called defining or undefining that symbol. 2670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 2770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 2870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 2970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* First we must see if your system has the include files we need. 3070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * We start out with the assumption that your system has all the ANSI-standard 3170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * include files. If you get any error trying to include one of these files, 3270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * undefine the corresponding HAVE_xxx symbol. 3370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 3470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 3570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define HAVE_STDDEF_H /* replace 'define' by 'undef' if error here */ 3670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_STDDEF_H /* next line will be skipped if you undef... */ 3770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#include <stddef.h> 3870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 3970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 4070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define HAVE_STDLIB_H /* same thing for stdlib.h */ 4170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_STDLIB_H 4270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#include <stdlib.h> 4370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 4470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 4570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#include <stdio.h> /* If you ain't got this, you ain't got C. */ 4670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 4770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* We have to see if your string functions are defined by 4870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * strings.h (old BSD convention) or string.h (everybody else). 4970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * We try the non-BSD convention first; define NEED_BSD_STRINGS 5070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * if the compiler says it can't find string.h. 5170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 5270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 5370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#undef NEED_BSD_STRINGS 5470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 5570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef NEED_BSD_STRINGS 5670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#include <strings.h> 5770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 5870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#include <string.h> 5970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 6070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 6170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* On some systems (especially older Unix machines), type size_t is 6270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * defined only in the include file <sys/types.h>. If you get a failure 6370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * on the size_t test below, try defining NEED_SYS_TYPES_H. 6470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 6570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 6670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#undef NEED_SYS_TYPES_H /* start by assuming we don't need it */ 6770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef NEED_SYS_TYPES_H 6870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#include <sys/types.h> 6970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 7070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 7170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 7270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* Usually type size_t is defined in one of the include files we've included 7370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * above. If not, you'll get an error on the "typedef size_t my_size_t;" line. 7470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * In that case, first try defining NEED_SYS_TYPES_H just above. 7570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * If that doesn't work, you'll have to search through your system library 7670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * to figure out which include file defines "size_t". Look for a line that 7770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * says "typedef something-or-other size_t;". Then, change the line below 7870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * that says "#include <someincludefile.h>" to instead include the file 7970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * you found size_t in, and define NEED_SPECIAL_INCLUDE. If you can't find 8070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * type size_t anywhere, try replacing "#include <someincludefile.h>" with 8170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * "typedef unsigned int size_t;". 8270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 8370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 8470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#undef NEED_SPECIAL_INCLUDE /* assume we DON'T need it, for starters */ 8570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 8670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef NEED_SPECIAL_INCLUDE 8770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#include <someincludefile.h> 8870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 8970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 9070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinetypedef size_t my_size_t; /* The payoff: do we have size_t now? */ 9170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 9270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 9370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* The next question is whether your compiler supports ANSI-style function 9470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * prototypes. You need to know this in order to choose between using 9570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * makefile.ansi and using makefile.unix. 9670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * The #define line below is set to assume you have ANSI function prototypes. 9770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * If you get an error in this group of lines, undefine HAVE_PROTOTYPES. 9870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 9970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 10070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define HAVE_PROTOTYPES 10170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 10270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_PROTOTYPES 10370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkineint testfunction (int arg1, int * arg2); /* check prototypes */ 10470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 10570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinestruct methods_struct { /* check method-pointer declarations */ 10670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine int (*error_exit) (char *msgtext); 10770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine int (*trace_message) (char *msgtext); 10870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine int (*another_method) (void); 10970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine}; 11070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 11170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkineint testfunction (int arg1, int * arg2) /* check definitions */ 11270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine{ 11370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine return arg2[arg1]; 11470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine} 11570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 11670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkineint test2function (void) /* check void arg list */ 11770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine{ 11870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine return 0; 11970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine} 12070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 12170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 12270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 12370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* Now we want to find out if your compiler knows what "unsigned char" means. 12470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * If you get an error on the "unsigned char un_char;" line, 12570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * then undefine HAVE_UNSIGNED_CHAR. 12670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 12770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 12870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define HAVE_UNSIGNED_CHAR 12970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 13070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_UNSIGNED_CHAR 13170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkineunsigned char un_char; 13270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 13370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 13470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 13570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* Now we want to find out if your compiler knows what "unsigned short" means. 13670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * If you get an error on the "unsigned short un_short;" line, 13770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * then undefine HAVE_UNSIGNED_SHORT. 13870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 13970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 14070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define HAVE_UNSIGNED_SHORT 14170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 14270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_UNSIGNED_SHORT 14370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkineunsigned short un_short; 14470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 14570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 14670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 14770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* Now we want to find out if your compiler understands type "void". 14870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * If you get an error anywhere in here, undefine HAVE_VOID. 14970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 15070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 15170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define HAVE_VOID 15270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 15370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_VOID 15470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* Caution: a C++ compiler will insist on complete prototypes */ 15570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinetypedef void * void_ptr; /* check void * */ 15670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_PROTOTYPES /* check ptr to function returning void */ 15770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinetypedef void (*void_func) (int a, int b); 15870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 15970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinetypedef void (*void_func) (); 16070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 16170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 16270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_PROTOTYPES /* check void function result */ 16370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinevoid test3function (void_ptr arg1, void_func arg2) 16470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 16570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinevoid test3function (arg1, arg2) 16670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine void_ptr arg1; 16770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine void_func arg2; 16870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 16970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine{ 17070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine char * locptr = (char *) arg1; /* check casting to and from void * */ 17170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine arg1 = (void *) locptr; 17270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine (*arg2) (1, 2); /* check call of fcn returning void */ 17370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine} 17470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 17570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 17670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 17770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* Now we want to find out if your compiler knows what "const" means. 17870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * If you get an error here, undefine HAVE_CONST. 17970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 18070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 18170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define HAVE_CONST 18270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 18370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_CONST 18470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinestatic const int carray[3] = {1, 2, 3}; 18570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 18670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_PROTOTYPES 18770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkineint test4function (const int arg1) 18870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 18970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkineint test4function (arg1) 19070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine const int arg1; 19170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 19270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine{ 19370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine return carray[arg1]; 19470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine} 19570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 19670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 19770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 19870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* If you get an error or warning about this structure definition, 19970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * define INCOMPLETE_TYPES_BROKEN. 20070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 20170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 20270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#undef INCOMPLETE_TYPES_BROKEN 20370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 20470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifndef INCOMPLETE_TYPES_BROKEN 20570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinetypedef struct undefined_structure * undef_struct_ptr; 20670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 20770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 20870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 20970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* If you get an error about duplicate names, 21070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * define NEED_SHORT_EXTERNAL_NAMES. 21170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 21270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 21370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#undef NEED_SHORT_EXTERNAL_NAMES 21470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 21570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifndef NEED_SHORT_EXTERNAL_NAMES 21670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 21770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkineint possibly_duplicate_function () 21870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine{ 21970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine return 0; 22070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine} 22170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 22270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkineint possibly_dupli_function () 22370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine{ 22470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine return 1; 22570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine} 22670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 22770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 22870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 22970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 23070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 23170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/************************************************************************ 23270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * OK, that's it. You should not have to change anything beyond this 23370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * point in order to compile and execute this program. (You might get 23470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * some warnings, but you can ignore them.) 23570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * When you run the program, it will make a couple more tests that it 23670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * can do automatically, and then it will create jconfig.h and print out 23770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * any additional suggestions it has. 23870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine ************************************************************************ 23970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 24070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 24170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 24270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_PROTOTYPES 24370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkineint is_char_signed (int arg) 24470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 24570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkineint is_char_signed (arg) 24670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine int arg; 24770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 24870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine{ 24970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine if (arg == 189) { /* expected result for unsigned char */ 25070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine return 0; /* type char is unsigned */ 25170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine } 25270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine else if (arg != -67) { /* expected result for signed char */ 25370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine printf("Hmm, it seems 'char' is not eight bits wide on your machine.\n"); 25470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine printf("I fear the JPEG software will not work at all.\n\n"); 25570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine } 25670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine return 1; /* assume char is signed otherwise */ 25770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine} 25870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 25970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 26070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_PROTOTYPES 26170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkineint is_shifting_signed (long arg) 26270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 26370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkineint is_shifting_signed (arg) 26470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine long arg; 26570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 26670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* See whether right-shift on a long is signed or not. */ 26770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine{ 26870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine long res = arg >> 4; 26970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 27070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine if (res == -0x7F7E80CL) { /* expected result for signed shift */ 27170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine return 1; /* right shift is signed */ 27270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine } 27370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine /* see if unsigned-shift hack will fix it. */ 27470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine /* we can't just test exact value since it depends on width of long... */ 27570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine res |= (~0L) << (32-4); 27670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine if (res == -0x7F7E80CL) { /* expected result now? */ 27770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine return 0; /* right shift is unsigned */ 27870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine } 27970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine printf("Right shift isn't acting as I expect it to.\n"); 28070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine printf("I fear the JPEG software will not work at all.\n\n"); 28170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine return 0; /* try it with unsigned anyway */ 28270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine} 28370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 28470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 28570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_PROTOTYPES 28670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkineint main (int argc, char ** argv) 28770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 28870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkineint main (argc, argv) 28970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine int argc; 29070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine char ** argv; 29170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 29270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine{ 29370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine char signed_char_check = (char) (-67); 29470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine FILE *outfile; 29570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 29670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine /* Attempt to write jconfig.h */ 29770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine if ((outfile = fopen("jconfig.h", "w")) == NULL) { 29870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine printf("Failed to write jconfig.h\n"); 29970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine return 1; 30070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine } 30170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 30270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine /* Write out all the info */ 30370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "/* jconfig.h --- generated by ckconfig.c */\n"); 30470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "/* see jconfig.doc for explanations */\n\n"); 30570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_PROTOTYPES 30670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#define HAVE_PROTOTYPES\n"); 30770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 30870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#undef HAVE_PROTOTYPES\n"); 30970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 31070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_UNSIGNED_CHAR 31170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#define HAVE_UNSIGNED_CHAR\n"); 31270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 31370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#undef HAVE_UNSIGNED_CHAR\n"); 31470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 31570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_UNSIGNED_SHORT 31670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#define HAVE_UNSIGNED_SHORT\n"); 31770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 31870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#undef HAVE_UNSIGNED_SHORT\n"); 31970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 32070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_VOID 32170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "/* #define void char */\n"); 32270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 32370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#define void char\n"); 32470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 32570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_CONST 32670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "/* #define const */\n"); 32770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 32870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#define const\n"); 32970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 33070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine if (is_char_signed((int) signed_char_check)) 33170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#undef CHAR_IS_UNSIGNED\n"); 33270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine else 33370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#define CHAR_IS_UNSIGNED\n"); 33470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_STDDEF_H 33570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#define HAVE_STDDEF_H\n"); 33670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 33770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#undef HAVE_STDDEF_H\n"); 33870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 33970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_STDLIB_H 34070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#define HAVE_STDLIB_H\n"); 34170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 34270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#undef HAVE_STDLIB_H\n"); 34370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 34470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef NEED_BSD_STRINGS 34570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#define NEED_BSD_STRINGS\n"); 34670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 34770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#undef NEED_BSD_STRINGS\n"); 34870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 34970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef NEED_SYS_TYPES_H 35070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#define NEED_SYS_TYPES_H\n"); 35170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 35270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#undef NEED_SYS_TYPES_H\n"); 35370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 35470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#undef NEED_FAR_POINTERS\n"); 35570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef NEED_SHORT_EXTERNAL_NAMES 35670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#define NEED_SHORT_EXTERNAL_NAMES\n"); 35770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 35870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#undef NEED_SHORT_EXTERNAL_NAMES\n"); 35970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 36070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef INCOMPLETE_TYPES_BROKEN 36170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#define INCOMPLETE_TYPES_BROKEN\n"); 36270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 36370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#undef INCOMPLETE_TYPES_BROKEN\n"); 36470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 36570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "\n#ifdef JPEG_INTERNALS\n\n"); 36670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine if (is_shifting_signed(-0x7F7E80B1L)) 36770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#undef RIGHT_SHIFT_IS_UNSIGNED\n"); 36870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine else 36970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#define RIGHT_SHIFT_IS_UNSIGNED\n"); 37070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "\n#endif /* JPEG_INTERNALS */\n"); 37170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "\n#ifdef JPEG_CJPEG_DJPEG\n\n"); 37270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#define BMP_SUPPORTED /* BMP image file format */\n"); 37370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#define GIF_SUPPORTED /* GIF image file format */\n"); 37470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#define PPM_SUPPORTED /* PBMPLUS PPM/PGM image file format */\n"); 37570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#undef RLE_SUPPORTED /* Utah RLE image file format */\n"); 37670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#define TARGA_SUPPORTED /* Targa image file format */\n\n"); 37770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#undef TWO_FILE_COMMANDLINE /* You may need this on non-Unix systems */\n"); 37870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#undef NEED_SIGNAL_CATCHER /* Define this if you use jmemname.c */\n"); 37970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "#undef DONT_USE_B_MODE\n"); 38070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "/* #define PROGRESS_REPORT */ /* optional */\n"); 38170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fprintf(outfile, "\n#endif /* JPEG_CJPEG_DJPEG */\n"); 38270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 38370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine /* Close the jconfig.h file */ 38470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine fclose(outfile); 38570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 38670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine /* User report */ 38770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine printf("Configuration check for Independent JPEG Group's software done.\n"); 38870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine printf("\nI have written the jconfig.h file for you.\n\n"); 38970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_PROTOTYPES 39070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine printf("You should use makefile.ansi as the starting point for your Makefile.\n"); 39170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 39270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine printf("You should use makefile.unix as the starting point for your Makefile.\n"); 39370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 39470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 39570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef NEED_SPECIAL_INCLUDE 39670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine printf("\nYou'll need to change jconfig.h to include the system include file\n"); 39770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine printf("that you found type size_t in, or add a direct definition of type\n"); 39870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine printf("size_t if that's what you used. Just add it to the end.\n"); 39970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 40070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 40170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine return 0; 40270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine} 403