Use and ignore virtualenv on OS X

Makefile

@@ -191,7 +191,7 @@ generate-api-spec: requirements .generate-api-spec
 	echo "# Edit st2common/st2common/openapi.yaml.j2 and then run" >> st2common/st2common/openapi.yaml
 	echo "# make .generate-api-spec" >> st2common/st2common/openapi.yaml
 	echo "# to generate the final spec file" >> st2common/st2common/openapi.yaml
-	. virtualenv/bin/activate; st2common/bin/st2-generate-api-spec --config-file conf/st2.dev.conf >> st2common/st2common/openapi.yaml
+	. $(VIRTUALENV_DIR)/bin/activate; st2common/bin/st2-generate-api-spec --config-file conf/st2.dev.conf >> st2common/st2common/openapi.yaml
 
 .PHONY: circle-lint-api-spec
 circle-lint-api-spec:
@@ -240,13 +240,13 @@ clean: .cleanpycs
 compile:
 	@echo "======================= compile ========================"
 	@echo "------- Compile all .py files (syntax check test - Python 2) ------"
-	@if python -c 'import compileall,re; compileall.compile_dir(".", rx=re.compile(r"/virtualenv|.tox"), quiet=True)' | grep .; then exit 1; else exit 0; fi
+	@if python -c 'import compileall,re; compileall.compile_dir(".", rx=re.compile(r"/virtualenv|virtualenv-osx|.tox"), quiet=True)' | grep .; then exit 1; else exit 0; fi
 
 .PHONY: compilepy3
 compilepy3:
 	@echo "======================= compile ========================"
 	@echo "------- Compile all .py files (syntax check test - Python 3) ------"
-	@if python3 -c 'import compileall,re; compileall.compile_dir(".", rx=re.compile(r"/virtualenv|.tox|./st2tests/st2tests/fixtures/packs/test"), quiet=True)' | grep .; then exit 1; else exit 0; fi
+	@if python3 -c 'import compileall,re; compileall.compile_dir(".", rx=re.compile(r"/virtualenv|virtualenv-osx|.tox|./st2tests/st2tests/fixtures/packs/test"), quiet=True)' | grep .; then exit 1; else exit 0; fi
 
 .PHONY: .cleanpycs
 .cleanpycs:
@@ -325,14 +325,14 @@ requirements: virtualenv .sdist-requirements
 	$(VIRTUALENV_DIR)/bin/pip install --upgrade "virtualenv==15.1.0" # Required for packs.install in dev envs.
 
 	# Generate all requirements to support current CI pipeline.
-	$(VIRTUALENV_DIR)/bin/python scripts/fixate-requirements.py --skip=virtualenv -s st2*/in-requirements.txt contrib/runners/*/in-requirements.txt -f fixed-requirements.txt -o requirements.txt
+	$(VIRTUALENV_DIR)/bin/python scripts/fixate-requirements.py --skip=virtualenv,virtualenv-osx -s st2*/in-requirements.txt contrib/runners/*/in-requirements.txt -f fixed-requirements.txt -o requirements.txt
 
 	# Generate finall requirements.txt file for each component
 	@for component in $(COMPONENTS_WITH_RUNNERS); do\
 		echo "==========================================================="; \
 		echo "Generating requirements.txt for" $$component; \
 		echo "==========================================================="; \
-		$(VIRTUALENV_DIR)/bin/python scripts/fixate-requirements.py --skip=virtualenv -s $$component/in-requirements.txt -f fixed-requirements.txt -o $$component/requirements.txt; \
+		$(VIRTUALENV_DIR)/bin/python scripts/fixate-requirements.py --skip=virtualenv,virtualenv-osx -s $$component/in-requirements.txt -f fixed-requirements.txt -o $$component/requirements.txt; \
 	done
 
 	# Fix for Travis CI race