Fix 2 dependency issues in the Makefile.

1. Debug symbols need to exist in order for the ELF file to link to
them.

2. Bytecode compilation requires the grammar pickle.  Remove manual
workarounds.

Makefile

@@ -134,9 +134,10 @@ _build/%/ovm-opt: _build/%/module_init.c _build/%/main_name.c \
	$(COMPILE_SH) build-opt $@ $(filter-out $(COMPILE_SH),$^)

# NOTE: This gets run on the end user's machine!  It requires binutils for now?
_build/%/ovm-opt.stripped: _build/%/ovm-opt
# NOTE: objcopy fails if the linked files does not exist!
_build/%/ovm-opt.stripped: _build/%/ovm-opt _build/%/ovm-opt.symbols
	#strip -o $@ --strip-debug $^ 
	strip -o $@ $^   # What's the difference with debug symbols?
	strip -o $@ _build/$*/ovm-opt  # What's the difference with debug symbols?
	# We need a relative path since it will be _bin/oil.ovm
	objcopy --add-gnu-debuglink=_build/$*/ovm-opt.symbols $@

opy/smoke.sh

@@ -274,7 +274,6 @@ hash-determinism-loop() {
rebuild-and-md5() {
  cd ..
  make clean-repo
  make _build/opy/py27.grammar.pickle
  make _bin/oil.ovm-dbg
  local out=_tmp/pyc-md5.txt
  build/metrics.sh pyc-md5 | sort -n | tee $out

portable-rules.mk

@@ -64,9 +64,11 @@ _build/%/all-deps-c.txt: build/static-c-modules.txt _build/%/app-deps-c.txt

# NOTE: This should really depend on all the .py files.
# I should make a _build/oil/py.d file and include it?
# This depends on the grammar pickle because it's the first one that calls opy compile.
_build/%/opy-app-deps.txt: \
	_build/py-to-compile.txt _build/%/py-to-compile.txt
	sort $^ | uniq | opy/build.sh compile-manifest _build/$*/bytecode-opy > $@
	_build/opy/py27.grammar.pickle _build/py-to-compile.txt _build/%/py-to-compile.txt 
	# exclude the pickle
	sort $(filter-out $<,$^) | uniq | opy/build.sh compile-manifest _build/$*/bytecode-opy > $@


PY27 := Python-2.7.13

scripts/release.sh

@@ -174,8 +174,6 @@ benchmark-build() {
  _clean
  _dev-build

  make _build/opy/py27.grammar.pickle

  _release-build
}