From 3b7fe43f564361a5075b8364779cd6f6dede39b1 Mon Sep 17 00:00:00 2001
From: Chandan Singh <csingh43@bloomberg.net>
Date: Mon, 4 Mar 2019 16:23:33 +0000
Subject: requirements/Makefile: Always rebuild requirements files

We always want to update all the requirements files together such that
the versions of the common dependencies do not drift between them. Do so
by adding a dummy phony target `FORCE` and depend on it from all the
`.txt` targets.
---
 requirements/Makefile | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/requirements/Makefile b/requirements/Makefile
index 0f4d885fa..69b6c7432 100644
--- a/requirements/Makefile
+++ b/requirements/Makefile
@@ -9,13 +9,15 @@ VENV := $(PYTHON) -m venv
 VENV_PIP = $(VENVDIR)/bin/pip
 
 
-.PHONY: all
+.PHONY: all FORCE
 
 all: $(REQUIREMENTS_TXT)
 
-%.txt: %.in
+%.txt: %.in FORCE
 	$(eval VENVDIR := $(shell mktemp -d $(CURDIR)/.bst-venv.XXXXXX))
 	$(VENV) $(VENVDIR)
 	$(VENV_PIP) install -r $^
 	$(VENV_PIP) freeze -r $^ | grep -v pkg-resources > $@
 	rm -rf $(VENVDIR)
+
+FORCE:
-- 
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