X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=adns.git;a=blobdiff_plain;f=configure;h=ff4675cdbdf394f6626ab7f7dca714afd875a27e;hp=da114e90f000f2656a542479bd446d3ef39fc123;hb=be4d66dc60264126ba6b3fbd67609ef0b6c0d266;hpb=239d2e4dfb6fcfc26fe3f740efae8f6944b99799

diff --git a/configure b/configure
index da114e9..ff4675c 100755
--- a/configure
+++ b/configure
@@ -1507,22 +1507,70 @@ EOF
 
 
 
+
+if test "${GCC-no}" = yes; then
+	WARNS="-Wall -Wmissing-prototypes -Wwrite-strings -Wstrict-prototypes -Wcast-qual -Wpointer-arith"
+	saved_cflags="$CFLAGS"
+	CFLAGS="$CFLAGS -Wno-pointer-sign"
+	
+ echo $ac_n "checking -Wno-pointer-sign""... $ac_c" 1>&6
+echo "configure:1518: checking -Wno-pointer-sign" >&5
+ if eval "test \"`echo '$''{'adns_cv_c_wnoptrsign'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  
+  cat > conftest.$ac_ext <<EOF
+#line 1524 "configure"
+#include "confdefs.h"
+
+int main() {
+
+; return 0; }
+EOF
+if { (eval echo configure:1531: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  adns_cv_c_wnoptrsign=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  adns_cv_c_wnoptrsign=no
+fi
+rm -f conftest*
+ 
+fi
+
+ if test "x$adns_cv_c_wnoptrsign" = xyes; then
+  true
+  echo "$ac_t""yes" 1>&6
+	 WARNS="$WARNS -Wno-pointer-sign"
+ else
+  true
+  echo "$ac_t""no" 1>&6
+ fi
+
+	CFLAGS="$saved_cflags"
+else
+	WARNS=
+fi
+
+
  
  echo $ac_n "checking __attribute__((,,))""... $ac_c" 1>&6
-echo "configure:1513: checking __attribute__((,,))" >&5
+echo "configure:1561: checking __attribute__((,,))" >&5
  if eval "test \"`echo '$''{'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"
+#line 1567 "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 $ac_compile) 2>&5; }; then
+if { (eval echo configure:1574: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   adns_cv_c_attribute_supported=yes
 else
@@ -1544,20 +1592,20 @@ EOF
 
    
  echo $ac_n "checking __attribute__((noreturn))""... $ac_c" 1>&6
-echo "configure:1548: checking __attribute__((noreturn))" >&5
+echo "configure:1596: checking __attribute__((noreturn))" >&5
  if eval "test \"`echo '$''{'adns_cv_c_attribute_noreturn'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
   cat > conftest.$ac_ext <<EOF
-#line 1554 "configure"
+#line 1602 "configure"
 #include "confdefs.h"
 
 int main() {
 extern int testfunction(int x) __attribute__((noreturn))
 ; return 0; }
 EOF
-if { (eval echo configure:1561: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1609: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   adns_cv_c_attribute_noreturn=yes
 else
@@ -1584,20 +1632,20 @@ EOF
 
    
  echo $ac_n "checking __attribute__((const))""... $ac_c" 1>&6
-echo "configure:1588: checking __attribute__((const))" >&5
+echo "configure:1636: checking __attribute__((const))" >&5
  if eval "test \"`echo '$''{'adns_cv_c_attribute_const'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
   cat > conftest.$ac_ext <<EOF
-#line 1594 "configure"
+#line 1642 "configure"
 #include "confdefs.h"
 
 int main() {
 extern int testfunction(int x) __attribute__((const))
 ; return 0; }
 EOF
-if { (eval echo configure:1601: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1649: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   adns_cv_c_attribute_const=yes
 else
@@ -1624,20 +1672,20 @@ EOF
 
    
  echo $ac_n "checking __attribute__((format...))""... $ac_c" 1>&6
-echo "configure:1628: checking __attribute__((format...))" >&5
+echo "configure:1676: checking __attribute__((format...))" >&5
  if eval "test \"`echo '$''{'adns_cv_attribute_format'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
   cat > conftest.$ac_ext <<EOF
-#line 1634 "configure"
+#line 1682 "configure"
 #include "confdefs.h"
 
 int main() {
 extern int testfunction(char *y, ...) __attribute__((format(printf,1,2)))
 ; return 0; }
 EOF
-if { (eval echo configure:1641: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1689: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   adns_cv_attribute_format=yes
 else
@@ -1668,54 +1716,6 @@ EOF
  fi
 
 
-for ac_hdr in sys/select.h
-do
-ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
-echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1676: checking for $ac_hdr" >&5
-if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  cat > conftest.$ac_ext <<EOF
-#line 1681 "configure"
-#include "confdefs.h"
-#include <$ac_hdr>
-EOF
-ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1686: \"$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
-    ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
-  cat >> confdefs.h <<EOF
-#define $ac_tr_hdr 1
-EOF
- 
-else
-  echo "$ac_t""no" 1>&6
-fi
-done
-
-
-
-
-if test "${GCC-no}" = yes; then
-	WARNS="-Wall -Wmissing-prototypes -Wwrite-strings -Wstrict-prototypes -Wcast-qual -Wpointer-arith"
-else
-	WARNS=
-fi