configure

   1 #! /bin/bash
   2 # This is not an autconf generated configure
   3 #
   4 INCLUDE=${1:-"$PWD/include"}
   5
   6 TABLES=
   7
   8 check_atm()
   9 {
  10 cat >/tmp/atmtest.c <<EOF
  11 #include <atm.h>
  12 int main(int argc, char **argv) {
  13         struct atm_qos qos;
  14         (void) text2qos("aal5,ubr:sdu=9180,rx:none",&qos,0);
  15         return 0;
  16 }
  17 EOF
  18 gcc -I$INCLUDE -o /tmp/atmtest /tmp/atmtest.c -latm >/dev/null 2>&1
  19 if [ $? -eq 0 ]
  20 then
  21     echo "TC_CONFIG_ATM:=y" >>Config
  22     echo yes
  23 else
  24     echo no
  25 fi
  26 rm -f /tmp/atmtest.c /tmp/atmtest
  27 }
  28
  29 check_xt()
  30 {
  31 #check if we have xtables from iptables >= 1.4.5.
  32 cat >/tmp/ipttest.c <<EOF
  33 #include <xtables.h>
  34 #include <linux/netfilter.h>
  35 static struct xtables_globals test_globals = {
  36         .option_offset = 0,
  37         .program_name = "tc-ipt",
  38         .program_version = XTABLES_VERSION,
  39         .orig_opts = NULL,
  40         .opts = NULL,
  41         .exit_err = NULL,
  42 };
  43
  44 int main(int argc, char **argv)
  45 {
  46         xtables_init_all(&test_globals, NFPROTO_IPV4);
  47         return 0;
  48 }
  49
  50 EOF
  51
  52 if gcc -I$INCLUDE $IPTC -o /tmp/ipttest /tmp/ipttest.c $IPTL -ldl -lxtables >/dev/null 2>&1
  53 then
  54         echo "TC_CONFIG_XT:=y" >>Config
  55         echo "using xtables"
  56 fi
  57 rm -f /tmp/ipttest.c /tmp/ipttest
  58 }
  59
  60 check_xt_old()
  61 {
  62 # bail if previous XT checks has already succeded.
  63 if grep TC_CONFIG_XT Config > /dev/null
  64 then
  65         return
  66 fi
  67
  68 #check if we dont need our internal header ..
  69 cat >/tmp/ipttest.c <<EOF
  70 #include <xtables.h>
  71 char *lib_dir;
  72 unsigned int global_option_offset = 0;
  73 const char *program_version = XTABLES_VERSION;
  74 const char *program_name = "tc-ipt";
  75 struct afinfo afinfo = {
  76         .libprefix      = "libxt_",
  77 };
  78
  79 void exit_error(enum exittype status, const char *msg, ...)
  80 {
  81 }
  82
  83 int main(int argc, char **argv) {
  84
  85         return 0;
  86 }
  87
  88 EOF
  89 gcc -I$INCLUDE $IPTC -o /tmp/ipttest /tmp/ipttest.c $IPTL -ldl >/dev/null 2>&1
  90
  91 if [ $? -eq 0 ]
  92 then
  93         echo "TC_CONFIG_XT_OLD:=y" >>Config
  94         echo "using old xtables (no need for xt-internal.h)"
  95 fi
  96 rm -f /tmp/ipttest.c /tmp/ipttest
  97 }
  98
  99 check_xt_old_internal_h()
 100 {
 101 # bail if previous XT checks has already succeded.
 102 if grep TC_CONFIG_XT Config > /dev/null
 103 then
 104         return
 105 fi
 106
 107 #check if we need our own internal.h
 108 cat >/tmp/ipttest.c <<EOF
 109 #include <xtables.h>
 110 #include "xt-internal.h"
 111 char *lib_dir;
 112 unsigned int global_option_offset = 0;
 113 const char *program_version = XTABLES_VERSION;
 114 const char *program_name = "tc-ipt";
 115 struct afinfo afinfo = {
 116         .libprefix      = "libxt_",
 117 };
 118
 119 void exit_error(enum exittype status, const char *msg, ...)
 120 {
 121 }
 122
 123 int main(int argc, char **argv) {
 124
 125         return 0;
 126 }
 127
 128 EOF
 129 gcc -I$INCLUDE $IPTC -o /tmp/ipttest /tmp/ipttest.c $IPTL -ldl >/dev/null 2>&1
 130
 131 if [ $? -eq 0 ]
 132 then
 133         echo "using old xtables with xt-internal.h"
 134         echo "TC_CONFIG_XT_OLD_H:=y" >>Config
 135 fi
 136 rm -f /tmp/ipttest.c /tmp/ipttest
 137 }
 138
 139 check_ipt()
 140 {
 141         if ! grep TC_CONFIG_XT Config > /dev/null
 142         then
 143                 echo "using iptables"
 144                 TABLES="iptables"
 145         else
 146                 TABLES="xtables"
 147         fi
 148 }
 149
 150 check_ipt_lib_dir()
 151 {
 152         IPT_LIB_DIR=""
 153         for dir in /lib /usr/lib /usr/local/lib
 154         do
 155                 for file in $dir/$TABLES/lib*t_*so ; do
 156                         if [ -f $file ]; then
 157                                 echo $dir/$TABLES
 158                                 echo "IPT_LIB_DIR:=$dir/$TABLES" >> Config
 159                                 return
 160                         fi
 161                 done
 162         done
 163         echo "not found!"
 164 }
 165
 166 echo "# Generated config based on" $INCLUDE >Config
 167
 168 echo "TC schedulers"
 169
 170 echo -n " ATM   "
 171 check_atm
 172
 173 echo -n " IPT   "
 174 check_xt
 175 check_xt_old
 176 check_xt_old_internal_h
 177 check_ipt
 178
 179 echo -n "iptables modules directory: "
 180 check_ipt_lib_dir