Add temporary cmake find module for Avahi and Bonjour in cmake direct…

…ory. (see pocoproject#1)

cmake/FindAvahi.cmake

@@ -0,0 +1,20 @@
+#
+# - Find Avahi
+# Find the native AVAHI includes and library
+#
+#  AVAHI_INCLUDE_DIRS - where to find pcre.h, etc.
+#  AVAHI_LIBRARIES    - List of libraries when using pcre.
+#  AVAHI_FOUND        - True if pcre found.
+
+find_library(AVAHI_LIBRARY-COMMON NAMES avahi-common)
+find_library(AVAHI_LIBRARY-CLIENT NAMES avahi-client)
+
+find_path(AVAHI_INCLUDE_DIR avahi-client/publish.h)
+include(FindPackageHandleStandardArgs)
+
+find_package_handle_standard_args(Avahi DEFAULT_MSG AVAHI_LIBRARY-COMMON AVAHI_LIBRARY-CLIENT AVAHI_INCLUDE_DIR)
+
+if(AVAHI_FOUND)
+	set(AVAHI_LIBRARIES ${AVAHI_LIBRARY-COMMON} ${AVAHI_LIBRARY-CLIENT})
+	set(AVAHI_INCLUDE_DIRS ${AVAHI_INCLUDE_DIR})
+endif()

cmake/FindBonjour.cmake

@@ -0,0 +1,48 @@
+# - Try to find Bonjour 
+# (See http://developer.apple.com/networking/bonjour/index.html)
+# By default available on MacOS X.
+# Check for libdns_sd
+#
+#  BONJOUR_INCLUDE_DIR - where to find dns_sd.h, etc.
+#  BONJOUR_LIBRARIES   - List of libraries when using ....
+#  BONJOUR_FOUND       - True if Bonjour libraries found.
+
+set(BONJOUR_FOUND FALSE)
+set(BONJOUR_LIBRARIES)
+
+message(STATUS "Checking whether Bonjour is supported")
+
+# Bonjour is built-in on MacOS X / iOS (i.e. available in libSystem)
+if(NOT APPLE)
+	IF (WIN32)
+		FIND_PATH(BONJOUR_INCLUDE_DIR dns_sd.h
+			PATHS $ENV{PROGRAMW6432}/Bonjour\ SDK/Include
+			)
+		FIND_LIBRARY(BONJOUR_LIBRARY
+			NAMES dnssd
+			PATHS $ENV{PROGRAMW6432}/Bonjour\ SDK/Lib/x64
+			)
+	ELSE(WIN32)
+		find_path(BONJOUR_INCLUDE_DIR dns_sd.h 
+			PATHS /opt/dnssd/include /usr/include  /usr/local/include
+			)
+		find_library(BONJOUR_LIBRARY 
+			NAMES dns_sd
+			PATHS /opt/dnssd/lib /usr/lib /usr/local/lib
+			)
+	ENDIF(WIN32)
+	if(NOT BONJOUR_INCLUDE_DIR OR NOT BONJOUR_LIBRARY)
+		return()
+	else()
+		set(BONJOUR_LIBRARIES ${BONJOUR_LIBRARY} )
+		set(BONJOUR_FOUND TRUE)
+	endif()
+else()
+	set(BONJOUR_FOUND TRUE)
+endif()
+
+
+mark_as_advanced( FORCE
+	BONJOUR_INCLUDE_DIR
+	BONJOUR_LIBRARY
+	)