"Fossies" - the Fresh Open Source Software Archive

Member "udns-0.4/configure" (18 Jan 2014, 3324 Bytes) of package /linux/misc/dns/udns-0.4.tar.gz:

    1 #! /bin/sh
    2 # autoconf-style configuration script
    3 #
    4 
    5 set -e
    6 
    7 name=udns
    8 
    9 if [ -f udns.h -a -f udns_resolver.c ] ; then :
   10 else
   11   echo "configure: error: sources not found at `pwd`" >&2
   12   exit 1
   13 fi
   14 
   15 options="ipv6"
   16 
   17 for opt in $options; do
   18   eval enable_$opt=
   19 done
   20 
   21 if [ -f config.status ]; then
   22   . ./config.status
   23 fi
   24 
   25 enable() {
   26   opt=`echo "$1" | sed 's/^--[^-]*-//'`
   27   case "$opt" in
   28     ipv6) ;;
   29     *) echo "configure: unrecognized option \`$1'" >&2; exit 1;;
   30   esac
   31   eval enable_$opt=$2
   32 }
   33 
   34 while [ $# -gt 0 ]; do
   35   case "$1" in
   36     --disable-*|--without-*|--no-*) enable "$1" n;;
   37     --enable-*|--with-*) enable "$1" y;;
   38     --help | --hel | --he | --h | -help | -hel | -he | -h )
   39       cat <<EOF
   40 configure: configure $name package.
   41 Usage: ./configure [options]
   42 where options are:
   43  --enable-option, --with-option --
   44    enable the named option/feature
   45  --disable-option, --without-option, --no-option --
   46    disable the named option/feature
   47  --help - print this help and exit
   48 Optional features (all enabled by default if system supports a feature):
   49   ipv6 - enable/disable IP version 6 (IPv6) support
   50 EOF
   51       exit 0
   52       ;;
   53     *) echo "configure: unknown option \`$1'" >&2; exit 1 ;;
   54   esac
   55   shift
   56 done
   57 
   58 . ./configure.lib
   59 
   60 ac_msg "configure"
   61 ac_result "$name package"
   62 
   63 ac_prog_c_compiler_v
   64 ac_prog_ranlib_v
   65 
   66 ac_ign ac_yesno "for getopt()" ac_have GETOPT ac_link <<EOF
   67 #include <stdio.h>
   68 extern int optind;
   69 extern char *optarg;
   70 extern int getopt(int, char **, char *);
   71 int main(int argc, char **argv) {
   72   getopt(argc, argv, "abc");
   73   return optarg ? optind : 0;
   74 }
   75 EOF
   76 
   77 if ac_library_find_v 'socket and connect' "" "-lsocket -lnsl" <<EOF
   78 int main() { socket(); connect(); return 0; }
   79 EOF
   80 then :
   81 else
   82   ac_fatal "cannot find libraries needed for sockets"
   83 fi
   84 
   85 ac_ign \
   86  ac_yesno "for inet_pton() && inet_ntop()" \
   87  ac_have INET_PTON_NTOP \
   88  ac_link <<EOF
   89 #include <sys/types.h>
   90 #include <sys/socket.h>
   91 #include <arpa/inet.h>
   92 int main() {
   93   char buf[64];
   94   long x = 0;
   95   inet_pton(AF_INET, &x, buf);
   96   return inet_ntop(AF_INET, &x, buf, sizeof(buf));
   97 } 
   98 EOF
   99 
  100 if ac_yesno "for socklen_t" ac_compile <<EOF
  101 #include <sys/types.h>
  102 #include <sys/socket.h>
  103 int foo() { socklen_t len; len = 0; return len; }
  104 EOF
  105 then :
  106 else
  107   ac_define socklen_t int
  108 fi
  109 
  110 if [ n != "$enable_ipv6" ]; then
  111 if ac_yesno "for IPv6" ac_have IPv6 ac_compile <<EOF
  112 #include <sys/types.h>
  113 #include <sys/socket.h>
  114 #include <netinet/in.h>
  115 int main() {
  116   struct sockaddr_in6 sa;
  117   sa.sin6_family = AF_INET6;
  118   return 0;
  119 }
  120 EOF
  121 then :
  122 elif [ "$enable_ipv6" ]; then
  123   ac_fatal "IPv6 is requested but not available"
  124 fi
  125 fi # !disable_ipv6?
  126 
  127 if ac_yesno "for poll()" ac_have POLL ac_link <<EOF
  128 #include <sys/types.h>
  129 #include <sys/poll.h>
  130 int main() {
  131   struct pollfd pfd[2];
  132   return poll(pfd, 2, 10);
  133 }
  134 EOF
  135 then :
  136 else
  137   ac_ign ac_yesno "for sys/select.h" ac_have SYS_SELECT_H ac_cpp <<EOF
  138 #include <sys/types.h>
  139 #include <sys/select.h>
  140 EOF
  141 fi
  142 
  143 ac_config_h
  144 ac_output Makefile
  145 ac_msg "creating config.status"
  146 rm -f config.status
  147 {
  148 echo "# automatically generated by configure to hold command-line options"
  149 echo
  150 found=
  151 for opt in $options; do
  152   eval val=\$enable_$opt
  153   if [ -n "$val" ]; then
  154     echo enable_$opt=$val
  155     found=y
  156   fi
  157 done
  158 if [ ! "$found" ]; then
  159   echo "# (no options encountered)"
  160 fi
  161 } > config.status
  162 ac_result ok
  163 
  164 ac_result "all done."
  165 exit 0