* added support for library (API-)versioning and private system libraries to

build system
* declared ICU-libs as private system libraries, which causes them to no longer
  be available for building software (they no longer are linked from the 
  development lib folder, so the linker won't find them)


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@35323 a95241bf-73f2-0310-859d-f6bbb57e9c96

build/jam/HaikuImage

@@ -99,7 +99,10 @@ SYSTEM_LIBS =
 	libscreensaver.so
 	libtextencoding.so libtracker.so libtranslation.so
 	libz.so
-	$(HAIKU_SHARED_LIBSTDC++) $(HAIKU_SHARED_LIBSUPC++) $(ICU_LIBS)
+	$(HAIKU_SHARED_LIBSTDC++) $(HAIKU_SHARED_LIBSUPC++)
+;
+PRIVATE_SYSTEM_LIBS =
+	$(ICU_LIBS)
 ;
 SYSTEM_SERVERS = app_server cddb_daemon debug_server input_server mail_daemon
 	media_addon_server media_server midi_server mount_server net_server
@@ -251,7 +254,8 @@ AddDriversToHaikuImage net			: $(SYSTEM_ADD_ONS_DRIVERS_NET) ;
 AddFilesToHaikuImage system : <revisioned>kernel_$(TARGET_ARCH) ;
 
 # libs
-AddFilesToHaikuHybridImage system lib : $(SYSTEM_LIBS) : : true ;
+AddLibrariesToHaikuHybridImage system lib
+	: $(SYSTEM_LIBS) $(PRIVATE_SYSTEM_LIBS) ;
 
 # libnetwork.so replaces quite a few libraries
 SYSTEM_LIBS_LIBNETWORK_ALIASES