michael@0: /*
michael@0:  * env.c
michael@0:  *
michael@0:  * prints out a brief report on the build environment
michael@0:  *
michael@0:  * David McGrew
michael@0:  * Cisco Systems, Inc.
michael@0:  */
michael@0: /*
michael@0:  *	
michael@0:  * Copyright (c) 2001-2006 Cisco Systems, Inc.
michael@0:  * All rights reserved.
michael@0:  * 
michael@0:  * Redistribution and use in source and binary forms, with or without
michael@0:  * modification, are permitted provided that the following conditions
michael@0:  * are met:
michael@0:  * 
michael@0:  *   Redistributions of source code must retain the above copyright
michael@0:  *   notice, this list of conditions and the following disclaimer.
michael@0:  * 
michael@0:  *   Redistributions in binary form must reproduce the above
michael@0:  *   copyright notice, this list of conditions and the following
michael@0:  *   disclaimer in the documentation and/or other materials provided
michael@0:  *   with the distribution.
michael@0:  * 
michael@0:  *   Neither the name of the Cisco Systems, Inc. nor the names of its
michael@0:  *   contributors may be used to endorse or promote products derived
michael@0:  *   from this software without specific prior written permission.
michael@0:  * 
michael@0:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0:  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0:  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
michael@0:  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
michael@0:  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
michael@0:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
michael@0:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
michael@0:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
michael@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
michael@0:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
michael@0:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
michael@0:  * OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0:  *
michael@0:  */
michael@0: 
michael@0: #include <stdio.h>
michael@0: #include <string.h>     /* for srtcmp() */
michael@0: #include "config.h"
michael@0: 
michael@0: int 
michael@0: main(void) {
michael@0:   int err_count = 0;
michael@0:   char *str;
michael@0: 
michael@0: #ifdef WORDS_BIGENDIAN
michael@0:   printf("CPU set to big-endian\t\t\t(WORDS_BIGENDIAN == 1)\n");
michael@0: #else
michael@0:   printf("CPU set to little-endian\t\t(WORDS_BIGENDIAN == 0)\n");
michael@0: #endif
michael@0: 
michael@0: #ifdef CPU_RISC
michael@0:   printf("CPU set to RISC\t\t\t\t(CPU_RISC == 1)\n");
michael@0: #elif defined(CPU_CISC)
michael@0:   printf("CPU set to CISC\t\t\t\t(CPU_CISC == 1)\n");
michael@0: #else
michael@0:   printf("CPU set to an unknown type, probably due to a configuration error\n");
michael@0:   err_count++;
michael@0: #endif
michael@0: 
michael@0: #ifdef CPU_ALTIVEC
michael@0:   printf("CPU set to ALTIVEC\t\t\t\t(CPU_ALTIVEC == 0)\n");
michael@0: #endif
michael@0: 
michael@0: #ifndef NO_64BIT_MATH
michael@0:   printf("using native 64-bit type\t\t(NO_64_BIT_MATH == 0)\n");
michael@0: #else
michael@0:   printf("using built-in 64-bit math\t\t(NO_64_BIT_MATH == 1)\n");
michael@0: #endif
michael@0: 
michael@0: #ifdef ERR_REPORTING_STDOUT
michael@0:   printf("using stdout for error reporting\t(ERR_REPORTING_STDOUT == 1)\n");
michael@0: #endif
michael@0: 
michael@0: #ifdef DEV_URANDOM
michael@0:   str = DEV_URANDOM;
michael@0: #else
michael@0:   str = "";
michael@0: #endif
michael@0:   printf("using %s as a random source\t(DEV_URANDOM == %s)\n",
michael@0: 	 str, str);
michael@0:   if (strcmp("", str) == 0) {
michael@0:     err_count++;
michael@0:   }
michael@0:   
michael@0:   if (err_count)
michael@0:     printf("warning: configuration is probably in error "
michael@0: 	   "(found %d problems)\n", err_count);
michael@0: 
michael@0:   return err_count;
michael@0: }