env.c (2840B)
1 /* 2 * env.c 3 * 4 * prints out a brief report on the build environment 5 * 6 * David McGrew 7 * Cisco Systems, Inc. 8 */ 9 /* 10 * 11 * Copyright (c) 2001-2017 Cisco Systems, Inc. 12 * All rights reserved. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions 16 * are met: 17 * 18 * Redistributions of source code must retain the above copyright 19 * notice, this list of conditions and the following disclaimer. 20 * 21 * Redistributions in binary form must reproduce the above 22 * copyright notice, this list of conditions and the following 23 * disclaimer in the documentation and/or other materials provided 24 * with the distribution. 25 * 26 * Neither the name of the Cisco Systems, Inc. nor the names of its 27 * contributors may be used to endorse or promote products derived 28 * from this software without specific prior written permission. 29 * 30 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 31 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 32 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 33 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 34 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 35 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 36 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 37 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 40 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 41 * OF THE POSSIBILITY OF SUCH DAMAGE. 42 * 43 */ 44 45 #include <stdio.h> 46 #include <string.h> /* for srtcmp() */ 47 #include "config.h" 48 49 int main(void) 50 { 51 int err_count = 0; 52 53 #ifdef WORDS_BIGENDIAN 54 printf("CPU set to big-endian\t\t\t(WORDS_BIGENDIAN == 1)\n"); 55 #else 56 printf("CPU set to little-endian\t\t(WORDS_BIGENDIAN == 0)\n"); 57 #endif 58 59 #ifdef CPU_RISC 60 printf("CPU set to RISC\t\t\t\t(CPU_RISC == 1)\n"); 61 #elif defined(CPU_CISC) 62 printf("CPU set to CISC\t\t\t\t(CPU_CISC == 1)\n"); 63 #else 64 printf( 65 "CPU set to an unknown type, probably due to a configuration error\n"); 66 err_count++; 67 #endif 68 69 #ifdef CPU_ALTIVEC 70 printf("CPU set to ALTIVEC\t\t\t\t(CPU_ALTIVEC == 0)\n"); 71 #endif 72 73 #ifndef NO_64BIT_MATH 74 printf("using native 64-bit type\t\t(NO_64_BIT_MATH == 0)\n"); 75 #else 76 printf("using built-in 64-bit math\t\t(NO_64_BIT_MATH == 1)\n"); 77 #endif 78 79 #ifdef ERR_REPORTING_STDOUT 80 printf("using stdout for error reporting\t(ERR_REPORTING_STDOUT == 1)\n"); 81 #endif 82 83 if (err_count) 84 printf("warning: configuration is probably in error " 85 "(found %d problems)\n", 86 err_count); 87 88 return err_count; 89 }