configure

larbin是一种开源的网络爬虫/网络蜘蛛

  cat > conftest.$ac_ext <<EOF
#line 1036 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char socket(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char socket();

int main() {

/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub_socket) || defined (__stub___socket)
choke me
#else
socket();
#endif

; return 0; }
EOF
if { (eval echo configure:1059: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_socket=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_socket=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'socket`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  :
else
  echo "$ac_t""no" 1>&6

  echo $ac_n "checking for socket in -lsocket""... $ac_c" 1>&6
echo "configure:1078: checking for socket in -lsocket" >&5
ac_lib_var=`echo socket'_'socket | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lsocket  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 1086 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char socket();

int main() {
socket()
; return 0; }
EOF
if { (eval echo configure:1097: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  echo "$ac_t""yes" 1>&6
    ac_tr_lib=HAVE_LIB`echo socket | sed -e 's/[^a-zA-Z0-9_]/_/g' \
    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
  cat >> confdefs.h <<EOF
#define $ac_tr_lib 1
EOF

  LIBS="-lsocket $LIBS"

else
  echo "$ac_t""no" 1>&6

    { echo "configure: error: cannot find library function socket" 1>&2; exit 1; }
  
fi

 
fi



 echo $ac_n "checking for inet_ntoa""... $ac_c" 1>&6
echo "configure:1133: checking for inet_ntoa" >&5
if eval "test \"`echo '$''{'ac_cv_func_inet_ntoa'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1138 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char inet_ntoa(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char inet_ntoa();

int main() {

/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub_inet_ntoa) || defined (__stub___inet_ntoa)
choke me
#else
inet_ntoa();
#endif

; return 0; }
EOF
if { (eval echo configure:1161: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_inet_ntoa=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_inet_ntoa=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'inet_ntoa`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  :
else
  echo "$ac_t""no" 1>&6

  echo $ac_n "checking for inet_ntoa in -lnsl""... $ac_c" 1>&6
echo "configure:1180: checking for inet_ntoa in -lnsl" >&5
ac_lib_var=`echo nsl'_'inet_ntoa | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lnsl  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 1188 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char inet_ntoa();

int main() {
inet_ntoa()
; return 0; }
EOF
if { (eval echo configure:1199: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  echo "$ac_t""yes" 1>&6
    ac_tr_lib=HAVE_LIB`echo nsl | sed -e 's/[^a-zA-Z0-9_]/_/g' \
    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
  cat >> confdefs.h <<EOF
#define $ac_tr_lib 1
EOF

  LIBS="-lnsl $LIBS"

else
  echo "$ac_t""no" 1>&6

    { echo "configure: error: cannot find library function inet_ntoa" 1>&2; exit 1; }
  
fi

 
fi



PROGS_IF_TSEARCH=adnsresfilter

echo $ac_n "checking for tsearch""... $ac_c" 1>&6
echo "configure:1237: checking for tsearch" >&5
if eval "test \"`echo '$''{'ac_cv_func_tsearch'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1242 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char tsearch(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char tsearch();

int main() {

/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub_tsearch) || defined (__stub___tsearch)
choke me
#else
tsearch();
#endif

; return 0; }
EOF
if { (eval echo configure:1265: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_tsearch=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_tsearch=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'tsearch`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  
 PROGS_HAVE_TSEARCH=$PROGS_IF_TSEARCH

else
  echo "$ac_t""no" 1>&6

 PROGS_HAVE_TSEARCH='';
 echo "configure: warning: tsearch missing - not building client program(s) $PROGS_IF_TSEARCH" 1>&2

fi


echo $ac_n "checking for INADDR_LOOPBACK""... $ac_c" 1>&6
echo "configure:1292: checking for INADDR_LOOPBACK" >&5
if eval "test \"`echo '$''{'adns_cv_decl_inaddrloopback'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
 cat > conftest.$ac_ext <<EOF
#line 1298 "configure"
#include "confdefs.h"

#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
 
int main() {

  INADDR_LOOPBACK;
 
; return 0; }
EOF
if { (eval echo configure:1311: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  adns_cv_decl_inaddrloopback=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  adns_cv_decl_inaddrloopback=no
fi
rm -f conftest*
fi

if test "$adns_cv_decl_inaddrloopback" = yes; then
 echo "$ac_t""found" 1>&6
else
 echo "$ac_t""not in standard headers, urgh..." 1>&6
 ac_safe=`echo "rpc/types.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for rpc/types.h""... $ac_c" 1>&6
echo "configure:1329: checking for rpc/types.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1334 "configure"
#include "confdefs.h"
#include <rpc/types.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1339: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  
  cat >> confdefs.h <<\EOF
#define HAVEUSE_RPCTYPES_H 1
EOF

 
else
  echo "$ac_t""no" 1>&6

  { echo "configure: error: cannot find INADDR_LOOPBACK or rpc/types.h" 1>&2; exit 1; }
 
fi

fi


 echo $ac_n "checking for inet_aton""... $ac_c" 1>&6
echo "configure:1372: checking for inet_aton" >&5
if eval "test \"`echo '$''{'ac_cv_func_inet_aton'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1377 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char inet_aton(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char inet_aton();

int main() {

/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub_inet_aton) || defined (__stub___inet_aton)
choke me
#else
inet_aton();
#endif

; return 0; }
EOF
if { (eval echo configure:1400: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_inet_aton=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_inet_aton=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'inet_aton`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  :
else
  echo "$ac_t""no" 1>&6

  echo $ac_n "checking for inet_aton in -lresolv""... $ac_c" 1>&6
echo "configure:1419: checking for inet_aton in -lresolv" >&5
ac_lib_var=`echo resolv'_'inet_aton | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lresolv  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 1427 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char inet_aton();

int main() {
inet_aton()
; return 0; }
EOF
if { (eval echo configure:1438: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  
 LIBS="-lresolv $LIBS";
 echo "configure: warning: inet_aton is in libresolv, urgh.  Must use -lresolv." 1>&2

else
  echo "$ac_t""no" 1>&6

    { echo "configure: error: cannot find library function inet_aton" 1>&2; exit 1; }
  
fi

 
fi




 echo $ac_n "checking inlines""... $ac_c" 1>&6
echo "configure:1471: checking inlines" >&5
 if eval "test \"`echo '$''{'dpkg_cv_c_inline'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
  cat > conftest.$ac_ext <<EOF
#line 1477 "configure"
#include "confdefs.h"

int main() {
} inline int foo (int x) {
; return 0; }
EOF
if { (eval echo configure:1484: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  dpkg_cv_c_inline=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  dpkg_cv_c_inline=no
fi
rm -f conftest*
 
fi

 if test "x$dpkg_cv_c_inline" = xyes; then
  true
  echo "$ac_t""yes" 1>&6
 cat >> confdefs.h <<\EOF
#define HAVE_INLINE 1
EOF

 else
  true
  echo "$ac_t""no" 1>&6
 fi



 
 echo $ac_n "checking __attribute__((,,))""... $ac_c" 1>&6
echo "configure:1513: checking __attribute__((,,))" >&5
 if eval "test \"`echo '$''{'adns_cv_c_attribute_supported'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  
  cat > conftest.$ac_ext <<EOF
#line 1519 "configure"
#include "confdefs.h"

int main() {
extern int testfunction(int x) __attribute__((,,))
; return 0; }
EOF
if { (eval echo configure:1526: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  adns_cv_c_attribute_supported=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  adns_cv_c_attribute_supported=no
fi
rm -f conftest*
 
fi

 if test "x$adns_cv_c_attribute_supported" = xyes; then
  true
  echo "$ac_t""yes" 1>&6
  cat >> confdefs.h <<\EOF
#define HAVE_GNUC25_ATTRIB 1
EOF