From ed36ba540a9bb5c9660faeeca1468a00c9dfbac5 Mon Sep 17 00:00:00 2001
From: Kris Kwiatkowski <kris@amongbytes.com>
Date: Tue, 2 Oct 2018 10:44:47 +0100
Subject: [PATCH] sidh: updates for Makefile

---
 _dev/Makefile | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/_dev/Makefile b/_dev/Makefile
index be78bea..8766080 100644
--- a/_dev/Makefile
+++ b/_dev/Makefile
@@ -8,6 +8,7 @@ BUILD_DIR   ?= $(PRJ_DIR)/_dev/GOROOT
 # Compiler
 GO ?= go
 DOCKER ?= docker
+GIT ?= git
 
 # Build environment
 OS          ?= $(shell $(GO) env GOHOSTOS)
@@ -18,6 +19,7 @@ GOROOT_ENV  := $(shell $(GO) env GOROOT)
 GOROOT_LOCAL = $(BUILD_DIR)/$(OS_ARCH)
 # Flag indicates wheter invoke "go install -race std". Supported only on amd64 with CGO enabled
 INSTALL_RACE:= $(words $(filter $(ARCH)_$(shell go env CGO_ENABLED), amd64_1))
+TMP_DIR		:= $(shell mktemp -d)
 
 # Test targets used for compatibility testing
 TARGET_TEST_COMPAT=boring picotls tstclnt
@@ -26,6 +28,11 @@ TARGET_TEST_COMPAT=boring picotls tstclnt
 BORINGSSL_REVISION=d451453067cd665a5c38830fbbaac9e599234a5e
 BOGO_DOCKER_TRIS_LOCATION=/go/src/github.com/cloudflare/tls-tris
 
+# SIDH repository (TODO: change path)
+SIDH_REPO  ?= https://github.com/cloudflare/sidh.git
+# NOBS repo (SIKE depends on SHA3)
+NOBS_REPO  ?= https://github.com/henrydcase/nobscrypto.git
+
 ###############
 #
 # Build targets
@@ -48,11 +55,22 @@ $(BUILD_DIR)/$(OS_ARCH)/.ok_$(VER_OS_ARCH): clean
 # Apply additional patches
 	for p in $(wildcard $(DEV_DIR)/patches/*); do patch -d "$(GOROOT_LOCAL)" -p1 < "$$p"; done
 
+# Vendor NOBS library
+	$(GIT) clone $(NOBS_REPO) $(TMP_DIR)/nobs
+	cd $(TMP_DIR)/nobs; make vendor-sidh-for-tls
+	cp -rf $(TMP_DIR)/nobs/tls_vendor/* $(GOROOT_LOCAL)/src/vendor/
+
+# Vendor SIDH library
+	$(GIT) clone $(SIDH_REPO) $(TMP_DIR)/sidh
+	cd $(TMP_DIR)/sidh; make vendor
+	cp -rf $(TMP_DIR)/sidh/build/vendor/* $(GOROOT_LOCAL)/src/vendor/
+
 # Create go package
 	GOARCH=$(ARCH) GOROOT="$(GOROOT_LOCAL)" $(GO) install -v std
 ifeq ($(INSTALL_RACE),1)
 	GOARCH=$(ARCH) GOROOT="$(GOROOT_LOCAL)" $(GO) install -race -v std
 endif
+	rm -rf $(TMP_DIR)
 	@touch "$@"
 
 build-test-%: $(BUILD_DIR)/$(OS_ARCH)/.ok_$(VER_OS_ARCH)