| Tristan Matthews | 0a329cc | 2013-07-17 13:20:14 -0400 | [diff] [blame] | 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) 2001-2006 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 |
| 50 | main(void) { |
| 51 | int err_count = 0; |
| 52 | char *str; |
| 53 | |
| 54 | #ifdef WORDS_BIGENDIAN |
| 55 | printf("CPU set to big-endian\t\t\t(WORDS_BIGENDIAN == 1)\n"); |
| 56 | #else |
| 57 | printf("CPU set to little-endian\t\t(WORDS_BIGENDIAN == 0)\n"); |
| 58 | #endif |
| 59 | |
| 60 | #ifdef CPU_RISC |
| 61 | printf("CPU set to RISC\t\t\t\t(CPU_RISC == 1)\n"); |
| 62 | #elif defined(CPU_CISC) |
| 63 | printf("CPU set to CISC\t\t\t\t(CPU_CISC == 1)\n"); |
| 64 | #else |
| 65 | printf("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 | #ifdef DEV_URANDOM |
| 84 | str = DEV_URANDOM; |
| 85 | #else |
| 86 | str = ""; |
| 87 | #endif |
| 88 | printf("using %s as a random source\t(DEV_URANDOM == %s)\n", |
| 89 | str, str); |
| 90 | if (strcmp("", str) == 0) { |
| 91 | err_count++; |
| 92 | } |
| 93 | |
| 94 | if (err_count) |
| 95 | printf("warning: configuration is probably in error " |
| 96 | "(found %d problems)\n", err_count); |
| 97 | |
| 98 | return err_count; |
| 99 | } |