Check for Solaris "any" pseudo-interface on Solaris only.

Other BPF systems either have their own variety of the pseudo-interface
or do not have it in the first place.

Author: infrastation

CMakeLists.txt

@@ -2188,27 +2188,29 @@ else(WIN32)
         endif()
         cmake_pop_check_state()
 
-        #
-        # Check whether there's a inet/ipnet.h header and,
-        # if so, whether it defines IPNET_ANY_LINK - if so,
-        # we assume we have the "any" device (that's a
-        # Solaris header, and later versions of Solaris
-        # have an "any" device).
-        #
-        # Attempting to include it at compile time could
-        # be a pain, as it's a kernel header.
-        #
-        message(STATUS "Checking whether the Solaris \"any\" device is supported")
-        if(EXISTS /usr/include/inet/ipnet.h)
-            file(STRINGS /usr/include/inet/ipnet.h IPNET_ANY_LINK_LINES REGEX IPNET_ANY_LINK)
-            if(NOT IPNET_ANY_LINK_LINES STREQUAL "")
-                set(HAVE_SOLARIS_ANY_DEVICE TRUE)
+        if(CMAKE_SYSTEM_NAME STREQUAL "SunOS")
+            #
+            # Check whether there's a inet/ipnet.h header and,
+            # if so, whether it defines IPNET_ANY_LINK - if so,
+            # we assume we have the "any" device (that's a
+            # Solaris header, and later versions of Solaris
+            # have an "any" device).
+            #
+            # Attempting to include it at compile time could
+            # be a pain, as it's a kernel header.
+            #
+            message(STATUS "Checking whether the Solaris \"any\" device is supported")
+            if(EXISTS /usr/include/inet/ipnet.h)
+                file(STRINGS /usr/include/inet/ipnet.h IPNET_ANY_LINK_LINES REGEX IPNET_ANY_LINK)
+                if(NOT IPNET_ANY_LINK_LINES STREQUAL "")
+                    set(HAVE_SOLARIS_ANY_DEVICE TRUE)
+                endif()
+            endif()
+            if(HAVE_SOLARIS_ANY_DEVICE)
+                message(STATUS "Checking whether the Solaris \"any\" device is supported - supported")
+            else()
+                message(STATUS "Checking whether the Solaris \"any\" device is supported - not supported")
             endif()
-        endif()
-        if(HAVE_SOLARIS_ANY_DEVICE)
-            message(STATUS "Checking whether the Solaris \"any\" device is supported - supported")
-        else()
-            message(STATUS "Checking whether the Solaris \"any\" device is supported - not supported")
         endif()
     elseif(PCAP_TYPE STREQUAL "haiku")
         set(PCAP_SRC pcap-${PCAP_TYPE}.c)

configure.ac

@@ -1128,23 +1128,25 @@ bpf)
 		#include <net/bpf.h>
 	    ])
 
-	#
-	# Check whether there's a net/ipnet.h header and,
-	# if so, whether it defines IPNET_ANY_LINK - if so,
-	# we assume we have the "any" device (that's a
-	# Solaris header, and later versions of Solaris
-	# have an "any" device).
-	#
-	# Attempting to include it at compile time could
-	# be a pain, as it's a kernel header.
-	#
-	AC_MSG_CHECKING(whether the Solaris "any" device is supported)
-	if test -e /usr/include/inet/ipnet.h &&
-	    grep -q IPNET_ANY_LINK /usr/include/inet/ipnet.h; then
-		AC_MSG_RESULT(yes)
-		AC_DEFINE(HAVE_SOLARIS_ANY_DEVICE, 1, [target host supports Solaris "any" device])
-	else
-		AC_MSG_RESULT(no)
+	if expr "$host_os" : solaris >/dev/null; then
+		#
+		# Check whether there's a net/ipnet.h header and,
+		# if so, whether it defines IPNET_ANY_LINK - if so,
+		# we assume we have the "any" device (that's a
+		# Solaris header, and later versions of Solaris
+		# have an "any" device).
+		#
+		# Attempting to include it at compile time could
+		# be a pain, as it's a kernel header.
+		#
+		AC_MSG_CHECKING(whether the Solaris "any" device is supported)
+		if test -e /usr/include/inet/ipnet.h &&
+		    grep -q IPNET_ANY_LINK /usr/include/inet/ipnet.h; then
+			AC_MSG_RESULT(yes)
+			AC_DEFINE(HAVE_SOLARIS_ANY_DEVICE, 1, [target host supports Solaris "any" device])
+		else
+			AC_MSG_RESULT(no)
+		fi
 	fi
 	;;