Makefile: Add variable "VENV" to control virtualenv

* The variable "VENV" (default: "venv") defines the virtualenv name and
  can be override by the environment.
* Add "devbuild" target to menu.
* Remove the "--user" argument to fix the pip install problem.

1 files changed, 18 insertions, 8 deletions

diff --git a/Makefile b/Makefile
index c0b35ef..90fe952 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,12 @@
+# Copyright (c) 2016 Weitian LI <liweitianux@live.com>
+# MIT license
+#
 # Makefile for "fg21sim"
+#
+
+# The name (also the directory) of the virtualenv
+VENV ?= "venv"
+
 
 default:
 	@echo "+-------------------------------------------------------------+"
@@ -6,21 +14,23 @@ default:
 	@echo "+-------------------------------------------------------------+"
 	@echo "Available targets:"
 	@echo "  + venv"
-	@echo "        create virtualenv 'venv' and install the dependencies"
+	@echo "        create virtualenv '${VENV}' and install the dependencies"
+	@echo "  + devbuild"
+	@echo "        (build and) install the package to the virtualenv"
 	@echo "  + test"
 	@echo "        run the test cases"
 
 # Create virtualenv and install/update the dependencies
-venv: venv/bin/activate
-venv/bin/activate: requirements.txt
-	test -d "venv" || virtualenv -p python3 venv
-	./venv/bin/pip3 install --user -r requirements.txt
-	touch venv/bin/activate
+venv: ${VENV}/bin/activate
+${VENV}/bin/activate: requirements.txt
+	test -d "${VENV}" || virtualenv --python=python3 ${VENV}
+	./${VENV}/bin/pip3 install -r requirements.txt
+	touch ${VENV}/bin/activate
 
 # Install this package to the virtualenv
 devbuild: venv
-	./venv/bin/python3 setup.py install
+	./${VENV}/bin/python3 setup.py install
 
 # Run the test cases
 test: devbuild
-	./venv/bin/python3 tests/runtests.py
+	./${VENV}/bin/python3 tests/runtests.py