fix precompilepkgs to be strict

Author: IanButterworth

pkgimage.mk

@@ -27,7 +27,7 @@ print-depot-path:
 
 $(BUILDDIR)/stdlib/%.image: $(JULIAHOME)/stdlib/Project.toml $(JULIAHOME)/stdlib/Manifest.toml $(INDEPENDENT_STDLIBS_SRCS) $(DEPOTDIR)/compiled
 	@$(call PRINT_JULIA, JULIA_CPU_TARGET="sysimage" $(call spawn,$(JULIA_EXECUTABLE)) --startup-file=no -e \
-		'Base.Precompilation.precompilepkgs(configs=[``=>Base.CacheFlags(debug_level=2, opt_level=3), ``=>Base.CacheFlags(check_bounds=1, debug_level=2, opt_level=3)])')
+		'Base.Precompilation.precompilepkgs(configs=[``=>Base.CacheFlags(debug_level=2, opt_level=3), ``=>Base.CacheFlags(check_bounds=1, debug_level=2, opt_level=3)]; strict=true)')
 	touch $@
 
 $(BUILDDIR)/stdlib/release.image: $(build_private_libdir)/sys.$(SHLIB_EXT)