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 $EPOLL_MODULE"
  67     EVENT_FOUND=YES
  68 fi
  69
  70
  71 # sendfile()
  72
  73 CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE"
  74 ngx_feature="sendfile()"
  75 ngx_feature_name="NGX_HAVE_SENDFILE"
  76 ngx_feature_run=no
  77 ngx_feature_incs="#include <sys/sendfile.h>
  78                   #include <errno.h>"
  79 ngx_feature_path=
  80 ngx_feature_libs=
  81 ngx_feature_test="int s = 0, fd = 1;
  82                   ssize_t n; off_t off = 0;
  83                   n = sendfile(s, fd, &off, 1);
  84                   if (n == -1 && errno == ENOSYS) return 1"
  85 . auto/feature
  86
  87 if [ $ngx_found = yes ]; then
  88     CORE_SRCS="$CORE_SRCS $LINUX_SENDFILE_SRCS"
  89 fi
  90
  91
  92 # sendfile64()
  93
  94 CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64"
  95 ngx_feature="sendfile64()"
  96 ngx_feature_name="NGX_HAVE_SENDFILE64"
  97 ngx_feature_run=no
  98 ngx_feature_incs="#include <sys/sendfile.h>
  99                   #include <errno.h>"
 100 ngx_feature_path=
 101 ngx_feature_libs=
 102 ngx_feature_test="int s = 0, fd = 1;
 103                   ssize_t n; off_t off = 0;
 104                   n = sendfile(s, fd, &off, 1);
 105                   if (n == -1 && errno == ENOSYS) return 1"
 106 . auto/feature
 107
 108
 109 ngx_include="sys/prctl.h"; . auto/include
 110
 111 # prctl(PR_SET_DUMPABLE)
 112
 113 ngx_feature="prctl(PR_SET_DUMPABLE)"
 114 ngx_feature_name="NGX_HAVE_PR_SET_DUMPABLE"
 115 ngx_feature_run=no
 116 ngx_feature_incs="#include <sys/prctl.h>"
 117 ngx_feature_path=
 118 ngx_feature_libs=
 119 ngx_feature_test="if (prctl(PR_SET_DUMPABLE, 1, 0, 0, 0) == -1) return 1"
 120 . auto/feature
 121
 122
 123 # sched_setaffinity()
 124
 125 ngx_feature="sched_setaffinity()"
 126 ngx_feature_name="NGX_HAVE_SCHED_SETAFFINITY"
 127 ngx_feature_run=no
 128 ngx_feature_incs="#include <sched.h>"
 129 ngx_feature_path=
 130 ngx_feature_libs=
 131 ngx_feature_test="cpu_set_t mask;
 132                   CPU_ZERO(&mask);
 133                   sched_setaffinity(0, sizeof(cpu_set_t), &mask)"
 134 . auto/feature
 135
 136
 137 # crypt_r()
 138
 139 ngx_feature="crypt_r()"
 140 ngx_feature_name="NGX_HAVE_GNU_CRYPT_R"
 141 ngx_feature_run=no
 142 ngx_feature_incs="#include <crypt.h>"
 143 ngx_feature_path=
 144 ngx_feature_libs=-lcrypt
 145 ngx_feature_test="struct crypt_data  cd;
 146                   crypt_r(\"key\", \"salt\", &cd);"
 147 . auto/feature
 148
 149
 150 ngx_include="sys/vfs.h";     . auto/include
 151
 152
 153 CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64"