Mercurial > hg > nginx
annotate auto/os/linux @ 7174:84e53e4735a4
Retain CAP_NET_RAW capability for transparent proxying.
The capability is retained automatically in unprivileged worker processes after
changing UID if transparent proxying is enabled at least once in nginx
configuration.
The feature is only available in Linux.
author | Roman Arutyunyan <arut@nginx.com> |
---|---|
date | Wed, 13 Dec 2017 20:40:53 +0300 |
parents | c1524829af3d |
children | 56923e8e01a5 |
rev | line source |
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444
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1 |
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2 # Copyright (C) Igor Sysoev |
4412 | 3 # Copyright (C) Nginx, Inc. |
444
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5 |
509 | 6 have=NGX_LINUX . auto/have_headers |
455 | 7 |
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8 CORE_INCS="$UNIX_INCS" |
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9 CORE_DEPS="$UNIX_DEPS $LINUX_DEPS" |
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10 CORE_SRCS="$UNIX_SRCS $LINUX_SRCS" |
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11 |
455 | 12 ngx_spacer=' |
13 ' | |
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15 cc_aux_flags="$CC_AUX_FLAGS" |
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16 CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64" |
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17 |
461 | 18 |
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19 # Linux kernel version |
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20 |
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21 version=$((`uname -r \ |
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22 | sed -n -e 's/^\([0-9][0-9]*\)\.\([0-9][0-9]*\)\.\([0-9][0-9]*\).*/ \ |
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23 \1*256*256+\2*256+\3/p' \ |
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24 -e 's/^\([0-9][0-9]*\)\.\([0-9][0-9]*\).*/\1*256*256+\2*256/p'`)) |
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477 | 26 version=${version:-0} |
27 | |
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28 |
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29 # posix_fadvise64() had been implemented in 2.5.60 |
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30 |
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31 if [ $version -lt 132412 ]; then |
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32 have=NGX_HAVE_POSIX_FADVISE . auto/nohave |
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33 fi |
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34 |
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35 # epoll, EPOLLET version |
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36 |
455 | 37 ngx_feature="epoll" |
469 | 38 ngx_feature_name="NGX_HAVE_EPOLL" |
591 | 39 ngx_feature_run=yes |
455 | 40 ngx_feature_incs="#include <sys/epoll.h>" |
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41 ngx_feature_path= |
455 | 42 ngx_feature_libs= |
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43 ngx_feature_test="int efd = 0; |
455 | 44 struct epoll_event ee; |
45 ee.events = EPOLLIN|EPOLLOUT|EPOLLET; | |
46 ee.data.ptr = NULL; | |
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47 (void) ee; |
455 | 48 efd = epoll_create(100); |
49 if (efd == -1) return 1;" | |
50 . auto/feature | |
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51 |
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52 if [ $ngx_found = yes ]; then |
469 | 53 have=NGX_HAVE_CLEAR_EVENT . auto/have |
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54 CORE_SRCS="$CORE_SRCS $EPOLL_SRCS" |
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55 EVENT_MODULES="$EVENT_MODULES $EPOLL_MODULE" |
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56 EVENT_FOUND=YES |
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57 |
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58 |
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59 # EPOLLRDHUP appeared in Linux 2.6.17, glibc 2.8 |
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60 |
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61 ngx_feature="EPOLLRDHUP" |
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62 ngx_feature_name="NGX_HAVE_EPOLLRDHUP" |
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63 ngx_feature_run=no |
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64 ngx_feature_incs="#include <sys/epoll.h>" |
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65 ngx_feature_path= |
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66 ngx_feature_libs= |
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67 ngx_feature_test="int efd = 0, fd = 0; |
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68 struct epoll_event ee; |
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69 ee.events = EPOLLIN|EPOLLRDHUP|EPOLLET; |
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70 ee.data.ptr = NULL; |
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71 epoll_ctl(efd, EPOLL_CTL_ADD, fd, &ee)" |
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72 . auto/feature |
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73 |
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74 |
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75 # EPOLLEXCLUSIVE appeared in Linux 4.5, glibc 2.24 |
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76 |
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77 ngx_feature="EPOLLEXCLUSIVE" |
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78 ngx_feature_name="NGX_HAVE_EPOLLEXCLUSIVE" |
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79 ngx_feature_run=no |
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80 ngx_feature_incs="#include <sys/epoll.h>" |
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81 ngx_feature_path= |
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82 ngx_feature_libs= |
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83 ngx_feature_test="int efd = 0, fd = 0; |
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84 struct epoll_event ee; |
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85 ee.events = EPOLLIN|EPOLLEXCLUSIVE; |
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86 ee.data.ptr = NULL; |
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87 epoll_ctl(efd, EPOLL_CTL_ADD, fd, &ee)" |
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88 . auto/feature |
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89 fi |
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90 |
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91 |
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92 # O_PATH and AT_EMPTY_PATH were introduced in 2.6.39, glibc 2.14 |
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93 |
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94 ngx_feature="O_PATH" |
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95 ngx_feature_name="NGX_HAVE_O_PATH" |
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96 ngx_feature_run=no |
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97 ngx_feature_incs="#include <sys/types.h> |
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98 #include <sys/stat.h> |
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99 #include <fcntl.h>" |
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100 ngx_feature_path= |
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101 ngx_feature_libs= |
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102 ngx_feature_test="int fd; struct stat sb; |
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103 fd = openat(AT_FDCWD, \".\", O_PATH|O_DIRECTORY|O_NOFOLLOW); |
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104 if (fstatat(fd, \"\", &sb, AT_EMPTY_PATH) != 0) return 1" |
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105 . auto/feature |
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106 |
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107 |
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108 # sendfile() |
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109 |
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110 CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE" |
455 | 111 ngx_feature="sendfile()" |
469 | 112 ngx_feature_name="NGX_HAVE_SENDFILE" |
591 | 113 ngx_feature_run=yes |
114 ngx_feature_incs="#include <sys/sendfile.h> | |
2598 | 115 #include <errno.h>" |
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116 ngx_feature_path= |
455 | 117 ngx_feature_libs= |
118 ngx_feature_test="int s = 0, fd = 1; | |
119 ssize_t n; off_t off = 0; | |
591 | 120 n = sendfile(s, fd, &off, 1); |
121 if (n == -1 && errno == ENOSYS) return 1" | |
455 | 122 . auto/feature |
248
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123 |
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124 if [ $ngx_found = yes ]; then |
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125 CORE_SRCS="$CORE_SRCS $LINUX_SENDFILE_SRCS" |
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126 fi |
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127 |
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128 |
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129 # sendfile64() |
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130 |
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fix Linux sendfile32() test broken in 0.3.36
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131 CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64" |
455 | 132 ngx_feature="sendfile64()" |
469 | 133 ngx_feature_name="NGX_HAVE_SENDFILE64" |
591 | 134 ngx_feature_run=yes |
135 ngx_feature_incs="#include <sys/sendfile.h> | |
2598 | 136 #include <errno.h>" |
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137 ngx_feature_path= |
455 | 138 ngx_feature_libs= |
139 ngx_feature_test="int s = 0, fd = 1; | |
140 ssize_t n; off_t off = 0; | |
591 | 141 n = sendfile(s, fd, &off, 1); |
142 if (n == -1 && errno == ENOSYS) return 1" | |
455 | 143 . auto/feature |
196
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144 |
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nginx-0.0.2-2004-02-09-10:46:43 import
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145 |
455 | 146 ngx_include="sys/prctl.h"; . auto/include |
147 | |
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148 # prctl(PR_SET_DUMPABLE) |
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149 |
455 | 150 ngx_feature="prctl(PR_SET_DUMPABLE)" |
469 | 151 ngx_feature_name="NGX_HAVE_PR_SET_DUMPABLE" |
455 | 152 ngx_feature_run=yes |
153 ngx_feature_incs="#include <sys/prctl.h>" | |
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154 ngx_feature_path= |
455 | 155 ngx_feature_libs= |
156 ngx_feature_test="if (prctl(PR_SET_DUMPABLE, 1, 0, 0, 0) == -1) return 1" | |
157 . auto/feature | |
577 | 158 |
159 | |
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160 # prctl(PR_SET_KEEPCAPS) |
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161 |
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162 ngx_feature="prctl(PR_SET_KEEPCAPS)" |
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163 ngx_feature_name="NGX_HAVE_PR_SET_KEEPCAPS" |
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164 ngx_feature_run=yes |
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165 ngx_feature_incs="#include <sys/prctl.h>" |
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166 ngx_feature_path= |
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167 ngx_feature_libs= |
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168 ngx_feature_test="if (prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0) == -1) return 1" |
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169 . auto/feature |
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170 |
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171 |
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172 # capabilities |
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173 |
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174 ngx_feature="capabilities" |
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175 ngx_feature_name="NGX_HAVE_CAPABILITIES" |
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176 ngx_feature_run=no |
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177 ngx_feature_incs="#include <sys/capability.h>" |
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178 ngx_feature_path= |
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179 ngx_feature_libs= |
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180 ngx_feature_test="struct __user_cap_data_struct data; |
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181 struct __user_cap_header_struct header; |
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182 |
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183 header.version = _LINUX_CAPABILITY_VERSION_3; |
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184 data.effective = CAP_TO_MASK(CAP_NET_RAW); |
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185 data.permitted = 0; |
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186 |
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187 (void) capset(&header, &data)" |
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188 . auto/feature |
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189 |
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190 |
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autoconfigure crypt_r(): uclibc has no crypt_r()
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191 # crypt_r() |
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192 |
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193 ngx_feature="crypt_r()" |
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194 ngx_feature_name="NGX_HAVE_GNU_CRYPT_R" |
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195 ngx_feature_run=no |
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196 ngx_feature_incs="#include <crypt.h>" |
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197 ngx_feature_path= |
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198 ngx_feature_libs=-lcrypt |
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199 ngx_feature_test="struct crypt_data cd; |
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Fixed compilation warnings in configuration C tests.
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200 crypt_r(\"key\", \"salt\", &cd);" |
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201 . auto/feature |
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202 |
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203 |
2615 | 204 ngx_include="sys/vfs.h"; . auto/include |
205 | |
206 | |
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fix GNU strerror_r() detection, the bug has been inroduced in r2600
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207 CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64" |