fix #740: better error message

.gitignore

@@ -54,6 +54,7 @@ ocaml/
 man/
 lib/ocaml
 bin/*
+ocaml_src
 
 # for npm publish
 !bin/bsc

jscomp/Makefile

@@ -43,14 +43,11 @@ release:snapshot
 # Carefully check the stored data if it is platform independent
 
 ./bin/bspack: ./bin/bspack.mli ./bin/bspack.ml 
-$(NATIVE) -w -a -I bin -I +compiler-libs ocamlcommon.cmxa unix.cmxa $^ -o $@
+$(NATIVE) -w -a -I bin unix.cmxa $^ -o $@
 
 ./bin/bsppx: ./bin/bs_ppx.mli ./bin/bs_ppx.ml 
 $(NATIVE) -g -inline 1000 -linkall -w -a -I bin -I +compiler-libs ocamlcommon.cmxa $^ -o $@
 
-## order matters
-_build/bspack: _build/ext/ext.cmxa _build/common/common.cmxa _build/depends/depends.cmxa _build/bspack_main.cmx
-$(NATIVE) -I +compiler-libs ocamlcommon.cmxa unix.cmxa $^ -o $@
 
 snapshot: ./bin/bspack snapshotcmj
 $(MAKE) snapshotml
@@ -64,12 +61,13 @@ snapshotcmj:
 ocamlbuild -cflags $(OCAMLBUILD_CFLAGS) -lflags -I,+compiler-libs,ocamlcommon.cmxa js_pack.native --
 
 # git diff bin/bspack.ml
+# bootbspack requires ../ocaml has parser, lexer processed by ocamlyacc and ocamllex
 bootbspack: ./bin/bspack
 @echo "Bootstrap bspack"
-./bin/bspack -I ext -I common -I depends -bs-main bspack_main.ml -o bin/bspack.ml
-$(NATIVE) -w -40 -I +compiler-libs unix.cmxa ocamlcommon.cmxa -I bin bin/bspack.mli bin/bspack.ml -o bin/bspack
+./bin/bspack -bs-log-mllib bin/bspack.mllib -I ../ocaml/parsing/ -I ../ocaml/utils/ -I ext -I common -I depends -bs-main bspack_main.ml -o bin/bspack.ml
+$(NATIVE) -w -40  unix.cmxa -I bin bin/bspack.mli bin/bspack.ml -o bin/bspack
 @echo "Using the bootstrapped bspack to genreate new bspack.ml: `date`"
-./bin/bspack -I ext -I common -I depends -bs-main bspack_main.ml -o bin/bspack.ml
+./bin/bspack -bs-log-mllib bin/bspack.mllib -I ../ocaml/parsing/ -I ../ocaml/utils/ -I ext -I common -I depends -bs-main bspack_main.ml -o bin/bspack.ml
 @echo "Bootstrap seems finished, please check diffs in bspack"
 @echo "Rebuilding bspack"
 make -B ./bin/bspack