release/src/router/nginx/auto/os/linux

   1
   2 # Copyright (C) Igor Sysoev
   3 # Copyright (C) Nginx, Inc.
   4
   5
   6 have=NGX_LINUX . auto/have_headers
   7
   8 CORE_INCS="$UNIX_INCS"
   9 CORE_DEPS="$UNIX_DEPS $LINUX_DEPS"
  10 CORE_SRCS="$UNIX_SRCS $LINUX_SRCS"
  11
  12 ngx_spacer='
  13 '
  14
  15 cc_aux_flags="$CC_AUX_FLAGS"
  16 CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64"
  17
  18
  19 # Linux kernel version
  20
  21 version=$((`uname -r \
  22     | sed -n -e 's/^\([0-9][0-9]*\)\.\([0-9][0-9]*\)\.\([0-9][0-9]*\).*/ \
  23                                                  \1*256*256+\2*256+\3/p' \
  24              -e 's/^\([0-9][0-9]*\)\.\([0-9][0-9]*\).*/\1*256*256+\2*256/p'`))
  25
  26 version=${version:-0}
  27
  28
  29 # enable the rt signals on Linux between 2.2.19 and 2.6.17
  30
  31 if [ \( $version -ge 131603 -a $version -lt 132626 \) -o $EVENT_RTSIG = YES ]
  32 then
  33     echo " + rt signals found"
  34     have=NGX_HAVE_RTSIG . auto/have
  35     EVENT_MODULES="$EVENT_MODULES $RTSIG_MODULE"
  36     CORE_SRCS="$CORE_SRCS $RTSIG_SRCS"
  37     EVENT_FOUND=YES
  38 fi
  39
  40
  41 # posix_fadvise64() had been implemented in 2.5.60
  42
  43 if [ $version -lt 132412 ]; then
  44     have=NGX_HAVE_POSIX_FADVISE . auto/nohave
  45 fi
  46
  47 # epoll, EPOLLET version
  48
  49 ngx_feature="epoll"
  50 ngx_feature_name="NGX_HAVE_EPOLL"
  51 ngx_feature_run=no
  52 ngx_feature_incs="#include <sys/epoll.h>"
  53 ngx_feature_path=
  54 ngx_feature_libs=
  55 ngx_feature_test="int efd = 0;
  56                   struct epoll_event ee;
  57                   ee.events = EPOLLIN|EPOLLOUT|EPOLLET;
  58                   ee.data.ptr = NULL;
  59                   efd = epoll_create(100);
  60                   if (efd == -1) return 1;"
  61 . auto/feature
  62
  63 if [ $ngx_found = yes ]; then
  64     have=NGX_HAVE_CLEAR_EVENT . auto/have
  65     CORE_SRCS="$CORE_SRCS $EPOLL_SRCS"
  66     EVENT_MODULES="$EVENT_MODULES $EPOLL_MODULE"
  67     EVENT_FOUND=YES
  68
  69
  70     # EPOLLRDHUP appeared in Linux 2.6.17, glibc 2.8
  71
  72     ngx_feature="EPOLLRDHUP"
  73     ngx_feature_name="NGX_HAVE_EPOLLRDHUP"
  74     ngx_feature_run=no
  75     ngx_feature_incs="#include <sys/epoll.h>"
  76     ngx_feature_path=
  77     ngx_feature_libs=
  78     ngx_feature_test="int efd = 0, fd = 0;
  79                       struct epoll_event ee;
  80                       ee.events = EPOLLIN|EPOLLRDHUP|EPOLLET;
  81                       ee.data.ptr = NULL;
  82                       epoll_ctl(efd, EPOLL_CTL_ADD, fd, &ee)"
  83     . auto/feature
  84 fi
  85
  86
  87 # O_PATH and AT_EMPTY_PATH were introduced in 2.6.39, glibc 2.14
  88
  89 ngx_feature="O_PATH"
  90 ngx_feature_name="NGX_HAVE_O_PATH"
  91 ngx_feature_run=no
  92 ngx_feature_incs="#include <sys/types.h>
  93                   #include <sys/stat.h>
  94                   #include <fcntl.h>"
  95 ngx_feature_path=
  96 ngx_feature_libs=
  97 ngx_feature_test="int fd; struct stat sb;
  98                   fd = openat(AT_FDCWD, \".\", O_PATH|O_DIRECTORY|O_NOFOLLOW);
  99                   if (fstatat(fd, \"\", &sb, AT_EMPTY_PATH) != 0) return 1"
 100 . auto/feature
 101
 102
 103 # sendfile()
 104
 105 CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE"
 106 ngx_feature="sendfile()"
 107 ngx_feature_name="NGX_HAVE_SENDFILE"
 108 ngx_feature_run=no
 109 ngx_feature_incs="#include <sys/sendfile.h>
 110                   #include <errno.h>"
 111 ngx_feature_path=
 112 ngx_feature_libs=
 113 ngx_feature_test="int s = 0, fd = 1;
 114                   ssize_t n; off_t off = 0;
 115                   n = sendfile(s, fd, &off, 1);
 116                   if (n == -1 && errno == ENOSYS) return 1"
 117 . auto/feature
 118
 119 if [ $ngx_found = yes ]; then
 120     CORE_SRCS="$CORE_SRCS $LINUX_SENDFILE_SRCS"
 121 fi
 122
 123
 124 # sendfile64()
 125
 126 CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64"
 127 ngx_feature="sendfile64()"
 128 ngx_feature_name="NGX_HAVE_SENDFILE64"
 129 ngx_feature_run=no
 130 ngx_feature_incs="#include <sys/sendfile.h>
 131                   #include <errno.h>"
 132 ngx_feature_path=
 133 ngx_feature_libs=
 134 ngx_feature_test="int s = 0, fd = 1;
 135                   ssize_t n; off_t off = 0;
 136                   n = sendfile(s, fd, &off, 1);
 137                   if (n == -1 && errno == ENOSYS) return 1"
 138 . auto/feature
 139
 140
 141 ngx_include="sys/prctl.h"; . auto/include
 142
 143 # prctl(PR_SET_DUMPABLE)
 144
 145 ngx_feature="prctl(PR_SET_DUMPABLE)"
 146 ngx_feature_name="NGX_HAVE_PR_SET_DUMPABLE"
 147 ngx_feature_run=no
 148 ngx_feature_incs="#include <sys/prctl.h>"
 149 ngx_feature_path=
 150 ngx_feature_libs=
 151 ngx_feature_test="if (prctl(PR_SET_DUMPABLE, 1, 0, 0, 0) == -1) return 1"
 152 . auto/feature
 153
 154
 155 # sched_setaffinity()
 156
 157 ngx_feature="sched_setaffinity()"
 158 ngx_feature_name="NGX_HAVE_SCHED_SETAFFINITY"
 159 ngx_feature_run=no
 160 ngx_feature_incs="#include <sched.h>"
 161 ngx_feature_path=
 162 ngx_feature_libs=
 163 ngx_feature_test="cpu_set_t mask;
 164                   CPU_ZERO(&mask);
 165                   sched_setaffinity(0, sizeof(cpu_set_t), &mask)"
 166 . auto/feature
 167
 168
 169 # crypt_r()
 170
 171 ngx_feature="crypt_r()"
 172 ngx_feature_name="NGX_HAVE_GNU_CRYPT_R"
 173 ngx_feature_run=no
 174 ngx_feature_incs="#include <crypt.h>"
 175 ngx_feature_path=
 176 ngx_feature_libs=-lcrypt
 177 ngx_feature_test="struct crypt_data  cd;
 178                   crypt_r(\"key\", \"salt\", &cd);"
 179 . auto/feature
 180
 181
 182 ngx_include="sys/vfs.h";     . auto/include
 183
 184
 185 CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64"