Add some caching of values which can't be determined when
cross-compiling. This lets us define the values via the site files.

--- clamav-0.88.4/configure.in	2006/09/12 05:49:09	1.1
+++ clamav-0.88.4/configure.in	2006/09/12 06:24:27
@@ -56,19 +56,18 @@
 
 dnl Check for broken snprintf (code by Phil Oleson <oz*nixil.net>)
 if test "x$ac_cv_func_snprintf" = "xyes" ; then
-        AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
-        AC_TRY_RUN(
-                [
+	AC_CACHE_CHECK([whether snprintf correctly terminates long strings],
+		[clamav_av_func_working_snprintf_long], [
+	        AC_TRY_RUN(
+        	        [
 #include <stdio.h>
 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
-                ],
-                [AC_MSG_RESULT(yes)],
-                [
-                        AC_MSG_RESULT(no)
-                        AC_DEFINE(BROKEN_SNPRINTF,1,[Define if your snprintf is busted])
-                        AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
-                ]
-        )
+	                ])
+	])
+	if test "x$clamav_av_func_working_snprintf_long" = "xno"; then
+		AC_DEFINE(BROKEN_SNPRINTF,1,[Define if your snprintf is busted])
+                AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
+	fi
 fi
 
 have_pthreads=no
@@ -331,18 +330,28 @@
 AC_DEFINE_UNQUOTED(CONFDIR,"$cfg_dir",[where to look for the config file])
 
 dnl check for in_port_t definition
-AC_TRY_RUN([
-#include <sys/types.h>
-#include <netinet/in.h>
-int main(int argc, char **argv) { in_port_t pt; pt = 0; return pt; }
-], AC_DEFINE(HAVE_IN_PORT_T,1,[in_port_t is defined]), AC_MSG_RESULT(in_port_t is not defined))
+AC_CACHE_CHECK([for in_port_t], [clamav_av_have_in_port_t], [
+    AC_TRY_RUN([
+	#include <sys/types.h>
+	#include <netinet/in.h>
+	int main(int argc, char **argv) { in_port_t pt; pt = 0; return pt; }
+	])
+    ])
+if test "$clamav_av_have_in_port_t" = "yes"; then
+    AC_DEFINE(HAVE_IN_PORT_T,1,[in_port_t is defined])
+fi
 
 dnl check for in_addr_t definition
-AC_TRY_RUN([
-#include <sys/types.h>
-#include <netinet/in.h>
-int main(int argc, char **argv) { in_addr_t pt; pt = 0; return pt; }
-], AC_DEFINE(HAVE_IN_ADDR_T,1,[in_addr_t is defined]), AC_MSG_RESULT(in_addr_t is not defined))
+AC_CACHE_CHECK([for in_addr_t], [clamav_av_have_in_addr_t], [
+    AC_TRY_RUN([
+	#include <sys/types.h>
+	#include <netinet/in.h>
+	int main(int argc, char **argv) { in_addr_t pt; pt = 0; return pt; }
+	])
+    ])
+if test "$clamav_av_have_in_addr_t" = "yes"; then
+    AC_DEFINE(HAVE_IN_ADDR_T,1,[in_addr_t is defined])
+fi
 
 case "$target_os" in
 linux*)