Add Introspection support

https://bugzilla.gnome.org/show_bug.cgi?id=630915

lib/Makefile.am

@@ -20,3 +20,36 @@ EXTRA_DIST			= lib.pl libgtop.sym
 
 CLEANFILES			= lib.c
 
+-include $(INTROSPECTION_MAKEFILE)
+INTROSPECTION_GIRS =
+INTROSPECTION_SCANNER_ARGS = --accept-unprefixed
+INTROSPECTION_COMPILER_ARGS =
+
+if HAVE_INTROSPECTION
+introspection_sources = $(libgtop_2_0_la_SOURCES) lib.c ../glibtop.h \
+			../include/glibtop/close.h ../include/glibtop/loadavg.h ../include/glibtop/prockernel.h ../include/glibtop/procstate.h \
+			../include/glibtop/sem_limits.h ../include/glibtop/uptime.h ../include/glibtop/command.h ../include/glibtop/mem.h ../include/glibtop/proclist.h \
+			../include/glibtop/proctime.h ../include/glibtop/shm_limits.h ../include/glibtop/version.h ../include/glibtop/cpu.h ../include/glibtop/msg_limits.h \
+			../include/glibtop/procmem.h ../include/glibtop/procuid.h ../include/glibtop/swap.h \
+			../include/glibtop/procsegment.h ../include/glibtop/sysdeps.h ../include/glibtop/global.h \
+			../include/glibtop/procsignal.h ../include/glibtop/union.h ../include/glibtop/gnuserv.h \
+			../include/glibtop/parameter.h ../include/glibtop/mountlist.h ../include/glibtop/fsusage.h ../include/glibtop/procmap.h ../include/glibtop/signal.h \
+			../include/glibtop/sysinfo.h ../include/glibtop/ppp.h ../include/glibtop/procargs.h ../include/glibtop/netload.h \
+			../include/glibtop/procwd.h ../include/glibtop/procaffinity.h \
+			../include/glibtop/netlist.h ../include/glibtop/procopenfiles.h ../include/glibtop/open.h
+
+GTop-2.0.gir: libgtop-2.0.la
+GTop_2_0_gir_INCLUDES = GObject-2.0
+GTop_2_0_gir_CFLAGS = $(INCLUDES)
+GTop_2_0_gir_LIBS = libgtop-2.0.la
+GTop_2_0_gir_FILES = $(introspection_sources)
+INTROSPECTION_GIRS += GTop-2.0.gir
+
+girdir = $(datadir)/gir-1.0
+gir_DATA = $(INTROSPECTION_GIRS)
+
+typelibdir = $(libdir)/girepository-1.0
+typelib_DATA = $(INTROSPECTION_GIRS:.gir=.typelib)
+
+CLEANFILES += $(gir_DATA) $(typelib_DATA)
+endif