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
main(void)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 }
100