X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=adns.git;a=blobdiff_plain;f=configure;h=c985c5a6f9661ba2869c92b6860a82b148848c6e;hp=720ebb63f2a0e2ed69ab4b0bb57b8e54cbf6fec6;hb=33ae0dddfdde95bedb160eae8059ba1a271cf7ea;hpb=eec1d9c837c2b0f0c64d74a3dbf25732c7c475f2

diff --git a/configure b/configure
index 720ebb6..c985c5a 100755
--- a/configure
+++ b/configure
@@ -689,10 +689,71 @@ else
   test "${CFLAGS+set}" = set || CFLAGS="-g"
 fi
 
+echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
+echo "configure:694: checking how to run the C preprocessor" >&5
+# On Suns, sometimes $CPP names a directory.
+if test -n "$CPP" && test -d "$CPP"; then
+  CPP=
+fi
+if test -z "$CPP"; then
+if eval "test \"`echo '$''{'ac_cv_prog_CPP'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+    # This must be in double quotes, not single quotes, because CPP may get
+  # substituted into the Makefile and "${CC-cc}" will confuse make.
+  CPP="${CC-cc} -E"
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp.
+  cat > conftest.$ac_ext <<EOF
+#line 709 "configure"
+#include "confdefs.h"
+#include <assert.h>
+Syntax Error
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:715: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out`
+if test -z "$ac_err"; then
+  :
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  CPP="${CC-cc} -E -traditional-cpp"
+  cat > conftest.$ac_ext <<EOF
+#line 726 "configure"
+#include "confdefs.h"
+#include <assert.h>
+Syntax Error
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:732: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out`
+if test -z "$ac_err"; then
+  :
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  CPP=/lib/cpp
+fi
+rm -f conftest*
+fi
+rm -f conftest*
+  ac_cv_prog_CPP="$CPP"
+fi
+  CPP="$ac_cv_prog_CPP"
+else
+  ac_cv_prog_CPP="$CPP"
+fi
+echo "$ac_t""$CPP" 1>&6
+
 # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:696: checking for $ac_word" >&5
+echo "configure:757: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -718,8 +779,112 @@ else
   echo "$ac_t""no" 1>&6
 fi
 
-echo $ac_n "checking for socket in -lsocket""... $ac_c" 1>&6
-echo "configure:723: checking for socket in -lsocket" >&5
+
+for ac_func in poll
+do
+echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
+echo "configure:787: checking for $ac_func" >&5
+if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 792 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func(); 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 $ac_func();
+
+int main() {
+
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+$ac_func();
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:815: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+  rm -rf conftest*
+  eval "ac_cv_func_$ac_func=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_func_$ac_func=no"
+fi
+rm -f conftest*
+fi
+
+if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_func=HAVE_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_func 1
+EOF
+ 
+else
+  echo "$ac_t""no" 1>&6
+fi
+done
+
+
+ echo $ac_n "checking for socket""... $ac_c" 1>&6
+echo "configure:841: checking for socket" >&5
+if eval "test \"`echo '$''{'ac_cv_func_socket'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 846 "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:869: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+  rm -rf conftest*
+  eval "ac_cv_func_socket=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$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""... $ac_c" 1>&6
+echo "configure:888: checking for socket in -lsocket" >&5
 ac_lib_var=`echo socket'_'socket | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -727,7 +892,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 731 "configure"
+#line 896 "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
@@ -738,7 +903,7 @@ int main() {
 socket()
 ; return 0; }
 EOF
-if { (eval echo configure:742: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:907: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -763,25 +928,313 @@ EOF
 
 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""... $ac_c" 1>&6
+echo "configure:943: checking for inet_ntoa" >&5
+if eval "test \"`echo '$''{'ac_cv_func_inet_ntoa'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 948 "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:971: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+  rm -rf conftest*
+  eval "ac_cv_func_inet_ntoa=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$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""... $ac_c" 1>&6
+echo "configure:990: checking for inet_ntoa in -lnsl" >&5
+ac_lib_var=`echo nsl'_'inet_ntoa | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'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 998 "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:1009: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$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
+
+
+
+echo $ac_n "checking for INADDR_LOOPBACK""... $ac_c" 1>&6
+echo "configure:1045: checking for INADDR_LOOPBACK" >&5
+if eval "test \"`echo '$''{'adns_cv_decl_inaddrloopback'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  
+ cat > conftest.$ac_ext <<EOF
+#line 1051 "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:1064: \"$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""... $ac_c" 1>&6
+echo "configure:1082: checking for rpc/types.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1087 "configure"
+#include "confdefs.h"
+#include <rpc/types.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:1092: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out`
+if test -z "$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""... $ac_c" 1>&6
+echo "configure:1125: checking for inet_aton" >&5
+if eval "test \"`echo '$''{'ac_cv_func_inet_aton'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1130 "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:1153: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+  rm -rf conftest*
+  eval "ac_cv_func_inet_aton=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$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""... $ac_c" 1>&6
+echo "configure:1172: checking for inet_aton in -lresolv" >&5
+ac_lib_var=`echo resolv'_'inet_aton | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'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 1180 "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:1191: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$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 __attribute__((,,))""... $ac_c" 1>&6
-echo "configure:772: checking __attribute__((,,))" >&5
+echo "configure:1225: checking __attribute__((,,))" >&5
  if eval "test \"`echo '$''{'adns_cv_c_attribute_supported'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
   cat > conftest.$ac_ext <<EOF
-#line 778 "configure"
+#line 1231 "configure"
 #include "confdefs.h"
 
 int main() {
 extern int testfunction(int x) __attribute__((,,))
 ; return 0; }
 EOF
-if { (eval echo configure:785: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1238: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   adns_cv_c_attribute_supported=yes
 else
@@ -803,20 +1256,20 @@ EOF
 
    
  echo $ac_n "checking __attribute__((noreturn))""... $ac_c" 1>&6
-echo "configure:807: checking __attribute__((noreturn))" >&5
+echo "configure:1260: checking __attribute__((noreturn))" >&5
  if eval "test \"`echo '$''{'adns_cv_c_attribute_noreturn'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
   cat > conftest.$ac_ext <<EOF
-#line 813 "configure"
+#line 1266 "configure"
 #include "confdefs.h"
 
 int main() {
 extern int testfunction(int x) __attribute__((noreturn))
 ; return 0; }
 EOF
-if { (eval echo configure:820: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1273: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   adns_cv_c_attribute_noreturn=yes
 else
@@ -843,20 +1296,20 @@ EOF
 
    
  echo $ac_n "checking __attribute__((const))""... $ac_c" 1>&6
-echo "configure:847: checking __attribute__((const))" >&5
+echo "configure:1300: checking __attribute__((const))" >&5
  if eval "test \"`echo '$''{'adns_cv_c_attribute_const'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
   cat > conftest.$ac_ext <<EOF
-#line 853 "configure"
+#line 1306 "configure"
 #include "confdefs.h"
 
 int main() {
 extern int testfunction(int x) __attribute__((const))
 ; return 0; }
 EOF
-if { (eval echo configure:860: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1313: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   adns_cv_c_attribute_const=yes
 else
@@ -883,20 +1336,20 @@ EOF
 
    
  echo $ac_n "checking __attribute__((format...))""... $ac_c" 1>&6
-echo "configure:887: checking __attribute__((format...))" >&5
+echo "configure:1340: checking __attribute__((format...))" >&5
  if eval "test \"`echo '$''{'adns_cv_attribute_format'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
   cat > conftest.$ac_ext <<EOF
-#line 893 "configure"
+#line 1346 "configure"
 #include "confdefs.h"
 
 int main() {
 extern int testfunction(char *y, ...) __attribute__((format(printf,1,2)))
 ; return 0; }
 EOF
-if { (eval echo configure:900: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1353: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   adns_cv_attribute_format=yes
 else
@@ -1083,6 +1536,7 @@ s%@oldincludedir@%$oldincludedir%g
 s%@infodir@%$infodir%g
 s%@mandir@%$mandir%g
 s%@CC@%$CC%g
+s%@CPP@%$CPP%g
 s%@RANLIB@%$RANLIB%g
 s%@WARNS@%$WARNS%g
 s%@SHLIBCC@%$SHLIBCC%g