Use pip-sync tool by default.

.gitignore

@@ -22,7 +22,7 @@
 .gitconfig
 .hash
 .idea
-.install-cython
+.install-pip-tools
 .install-deps
 .installed.cfg
 .mypy_cache

CHANGES/5470.bugfix

@@ -0,0 +1 @@
+Use the same command for dependencies installation in Makefile. Use pip-sync tool by default.

Makefile

@@ -46,25 +46,24 @@ endif
 .SECONDARY: $(call to-hash,$(ALLS))
 
 
-.install-cython: $(call to-hash,requirements/cython.txt)
-	pip install -r requirements/cython.txt
-	@touch .install-cython
-
 aiohttp/_find_header.c: $(call to-hash,aiohttp/hdrs.py ./tools/gen.py)
 	./tools/gen.py
 
 # _find_headers generator creates _headers.pyi as well
 aiohttp/%.c: aiohttp/%.pyx $(call to-hash,$(CYS)) aiohttp/_find_header.c
 	cython -3 -o $@ $< -I aiohttp
 
+.install-pip-tools:
+	@pip install pip-tools
+	@touch .install-pip-tools
 
-.PHONY: cythonize
-cythonize: .install-cython $(PYXS:.pyx=.c)
-
-.install-deps: .install-cython $(PYXS:.pyx=.c) $(call to-hash,$(CYS) $(REQS))
-	pip install -r requirements/dev.txt
+.install-deps: .install-pip-tools $(call to-hash,$(REQS))
+	@pip-sync requirements/dev.txt requirements/cython.txt
 	@touch .install-deps
 
+.PHONY: cythonize
+cythonize: .install-deps $(PYXS:.pyx=.c) $(call to-hash,$(CYS))
+
 .PHONY: lint
 lint: fmt mypy
 
@@ -77,7 +76,7 @@ mypy:
 	mypy
 
 .develop: .install-deps $(call to-hash,$(PYS) $(CYS) $(CS))
-	pip install -e .
+	@pip install -e .
 	@touch .develop
 
 .PHONY: test
@@ -124,7 +123,7 @@ clean:
 	@rm -f .flake
 	@rm -rf aiohttp.egg-info
 	@rm -f .install-deps
-	@rm -f .install-cython
+	@rm -f .install-pip-tools
 
 .PHONY: doc
 doc:
@@ -139,13 +138,12 @@ doc-spelling:
 	@pip install -U 'pip'
 
 .PHONY: compile-deps
-compile-deps: .update-pip
-	@pip install pip-tools
+compile-deps: .update-pip .install-pip-tools
 	@pip-compile --allow-unsafe -q requirements/dev.in
 
 .PHONY: install
 install: .update-pip
-	@pip install -r requirements/dev.in -c requirements/dev.txt
+	@pip-sync requirements/dev.txt
 
 .PHONY: install-dev
 install-dev: .develop

requirements/cython.txt

@@ -1,3 +1,2 @@
--r multidict.txt
+-c dev.txt
 cython==0.29.21
-typing_extensions==3.7.4.3  # required for parsing aiohttp/hdrs.py by tools/gen.py

requirements/dev.txt

@@ -190,7 +190,7 @@ six==1.15.0
     #   virtualenv
 snowballstemmer==2.0.0
     # via sphinx
-sphinx==3.5.0
+sphinx==3.5.1
     # via
     #   -r requirements/doc.txt
     #   sphinxcontrib-asyncio