configure

   1 #!/bin/bash
   2 # This isn't a configure generated by autoconf!
   3
   4 MISSING_DEFS=0
   5 MISSING_NACL=0
   6
   7 [ -z $CC ] && CC=cc
   8
   9 TMPDIR=$(mktemp -d config.XXXXXX)
  10 trap 'status=$?; rm -rf $TMPDIR; exit $status' EXIT HUP INT QUIT TERM
  11
  12 check_nacl()
  13 {
  14         echo -n "[*] Checking nacl ... "
  15
  16         cat > $TMPDIR/nacltest.c << EOF
  17 #include "crypto_hash_sha512.h"
  18 #include "crypto_verify_32.h"
  19 #include "crypto_hash_sha512.h"
  20 #include "crypto_box_curve25519xsalsa20poly1305.h"
  21 #include "crypto_scalarmult_curve25519.h"
  22 #include "crypto_auth_hmacsha512256.h"
  23
  24 int main(void) { }
  25 EOF
  26
  27         if [ -z $NACL_INC_DIR ] ; then
  28                 NACL_INC_DIR="/usr/include/nacl"
  29         fi
  30
  31         if [ -z $NACL_LIB_DIR ] ; then
  32                 NACL_LIB_DIR="/usr/lib"
  33         fi
  34
  35         LDFLAGS="-L $NACL_LIB_DIR"
  36         CFLAGS="-I $NACL_INC_DIR"
  37
  38         $CC $CFLAGS $LDFLAGS -o $TMPDIR/nacltest $TMPDIR/nacltest.c >> $TMPDIR/config.log 2>&1
  39         if [ ! -x $TMPDIR/nacltest ] ; then
  40                 echo "[NO]"
  41                 MISSING_NACL=1
  42         else
  43                 echo "[YES]"
  44                 echo "CONFIG_NACL_INC_DIR:=$NACL_INC_DIR" >> Config
  45                 echo "CONFIG_NACL_LIB_DIR:=$NACL_LIB_DIR" >> Config
  46         fi
  47
  48 }
  49
  50 check_libnl()
  51 {
  52         echo -n "[*] Checking libnl ... "
  53
  54         cat > $TMPDIR/libnltest.c << EOF
  55 #include <libnl3/netlink/genl/genl.h>
  56 #include <libnl3/netlink/genl/family.h>
  57 #include <libnl3/netlink/genl/ctrl.h>
  58 #include <libnl3/netlink/msg.h>
  59 #include <libnl3/netlink/attr.h>
  60 #include <libnl3/netlink/version.h>
  61
  62 #if LIBNL_VER_NUM < LIBNL_VER(3,0)
  63 # error incompatible libnl version
  64 #endif
  65
  66 int main(void) { }
  67 EOF
  68
  69         $CC $(pkg-config --cflags libnl-3.0) -o $TMPDIR/libnltest $TMPDIR/libnltest.c >> $TMPDIR/config.log 2>&1
  70         if [ ! -x $TMPDIR/libnltest ] ; then
  71                 echo "[NO]"
  72                 MISSING_DEFS=1
  73         else
  74                 echo "[YES]"
  75         fi
  76 }
  77
  78 echo "# This file is autogenerated by the configure script" > Config
  79 check_nacl
  80 check_libnl
  81
  82 if [ "$MISSING_DEFS" == "1" ] ; then
  83         echo "[!] Some libraries or header definitions are missing or too old."
  84         echo "    Please refer to the INSTALL file for the libraries needed to"
  85         echo "    build netsniff-ng."
  86         exit 1
  87 fi
  88
  89 if [ "$MISSING_NACL" == "1" ] ; then
  90         echo "[!] The NaCl crypto library is currently not present on your"
  91         echo "    system or could not be found. Either install it from your"
  92         echo "    distro or build it manually using 'make nacl' and make sure"
  93         echo "    that the NACL_INC_DIR and NACL_LIB_DIR variables are set"
  94         echo "    appropriately."
  95         exit 1
  96 fi
  97
  98 exit 0