rebuild sysimg when stdlib files change

Author: vchuravy

Makefile

@@ -199,6 +199,7 @@ CORE_SRCS := $(addprefix $(JULIAHOME)/, \
 		base/reflection.jl \
 		base/tuple.jl)
 BASE_SRCS := $(sort $(shell find $(JULIAHOME)/base -name \*.jl) $(shell find $(BUILDROOT)/base -name \*.jl))
+STDLIB_SRCS := $(sort $(shell find $(JULIAHOME)/stdlib/*/src -name \*.jl))
 
 $(build_private_libdir)/inference.ji: $(CORE_SRCS) | $(build_private_libdir)
 	@$(call PRINT_JULIA, cd $(JULIAHOME)/base && \
@@ -208,7 +209,7 @@ $(build_private_libdir)/inference.ji: $(CORE_SRCS) | $(build_private_libdir)
 RELBUILDROOT := $(shell $(JULIAHOME)/contrib/relative_path.sh "$(JULIAHOME)/base" "$(BUILDROOT)/base/")
 COMMA:=,
 define sysimg_builder
-$$(build_private_libdir)/sys$1.o: $$(build_private_libdir)/inference.ji $$(JULIAHOME)/VERSION $$(BASE_SRCS)
+$$(build_private_libdir)/sys$1.o: $$(build_private_libdir)/inference.ji $$(JULIAHOME)/VERSION $$(BASE_SRCS) $$(STDLIB_SRCS)
 	@$$(call PRINT_JULIA, cd $$(JULIAHOME)/base && \
 	if $$(call spawn,$3) $2 -C "$$(JULIA_CPU_TARGET)" --output-o $$(call cygpath_w,$$@).tmp $$(JULIA_SYSIMG_BUILD_FLAGS) \
 		--startup-file=no --warn-overwrite=yes --sysimage $$(call cygpath_w,$$<) sysimg.jl $$(RELBUILDROOT); then \