lib: Generate pkgconfig file

Signed-off-by: Tycho Andersen <tycho.andersen@canonical.com>
Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

.gitignore

@@ -25,3 +25,4 @@ arch/x86/syscalls.S
 pie/pie.lds.S
 include/config.h
 protobuf-desc-gen.h
+criu.pc

Makefile

@@ -266,6 +266,12 @@ install: $(PROGRAM) install-man
 	$(Q) install -m 644 scripts/sd/criu.service $(DESTDIR)$(SYSTEMDUNITDIR)
 	$(Q) mkdir -p $(DESTDIR)$(LOGROTATEDIR)
 	$(Q) install -m 644 scripts/logrotate.d/criu-service $(DESTDIR)$(LOGROTATEDIR)
+	$(Q) sed -e 's,@version@,$(GITID),' \
+		-e 's,@libdir@,$(LIBDIR),' \
+		-e 's,@includedir@,$(dir $(INCLUDEDIR)),' \
+		lib/criu.pc.in > criu.pc
+	$(Q) mkdir -p $(DESTDIR)$(LIBDIR)/pkgconfig
+	$(Q) install -m 644 criu.pc $(DESTDIR)$(LIBDIR)/pkgconfig
 
 install-man:
 	$(Q) $(MAKE) -C Documentation install

lib/criu.pc.in

@@ -0,0 +1,8 @@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: CRIU
+Description: RPC library for userspace checkpoint and restore
+Version: @version@
+Libs: -L${libdir} -lcriu
+Cflags: -I${includedir}