From 107e030723552cf272dc8da01bb682032a457a3d Mon Sep 17 00:00:00 2001
From: fanquake <fanquake@gmail.com>
Date: Sat, 14 Sep 2019 11:03:56 +0800
Subject: build: make protobuf optional in depends

Those that want to build it can now pass PROTOBUF=1.
---
 ci/test/00_setup_env_i686.sh | 1 +
 depends/Makefile             | 8 ++++++--
 depends/README.md            | 1 +
 depends/config.site.in       | 4 ++++
 depends/packages/packages.mk | 6 ++++--
 5 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/ci/test/00_setup_env_i686.sh b/ci/test/00_setup_env_i686.sh
index c5541eaf23..63068dc95d 100644
--- a/ci/test/00_setup_env_i686.sh
+++ b/ci/test/00_setup_env_i686.sh
@@ -7,6 +7,7 @@
 export LC_ALL=C.UTF-8
 
 export HOST=i686-pc-linux-gnu
+export DEP_OPTS="PROTOBUF=1"
 export PACKAGES="g++-multilib python3-zmq"
 export GOAL="install"
 export BITCOIN_CONFIG="--enable-zmq --with-gui=qt5 --enable-bip70 --enable-glibc-back-compat --enable-reduce-exports LDFLAGS=-static-libstdc++"
diff --git a/depends/Makefile b/depends/Makefile
index 70af875189..b7e9a9213e 100644
--- a/depends/Makefile
+++ b/depends/Makefile
@@ -5,6 +5,7 @@ WORK_PATH = $(BASEDIR)/work
 BASE_CACHE ?= $(BASEDIR)/built
 SDK_PATH ?= $(BASEDIR)/SDKs
 NO_QT ?=
+PROTOBUF ?=
 RAPIDCHECK ?=
 NO_WALLET ?=
 NO_ZMQ ?=
@@ -96,13 +97,15 @@ wallet_packages_$(NO_WALLET) = $(wallet_packages)
 upnp_packages_$(NO_UPNP) = $(upnp_packages)
 zmq_packages_$(NO_ZMQ) = $(zmq_packages)
 
+protobuf_packages_$(PROTOBUF) = $(protobuf_packages)
 rapidcheck_packages_$(RAPIDCHECK) = $(rapidcheck_packages)
 
 packages += $($(host_arch)_$(host_os)_packages) $($(host_os)_packages) $(qt_packages_) $(wallet_packages_) $(upnp_packages_)
 native_packages += $($(host_arch)_$(host_os)_native_packages) $($(host_os)_native_packages)
 
-ifneq ($(qt_packages_),)
-native_packages += $(qt_native_packages)
+ifeq ($(protobuf_packages_),)
+native_packages += $(protobuf_native_packages)
+packages += $(protobuf_packages)
 endif
 
 ifneq ($(zmq_packages_),)
@@ -150,6 +153,7 @@ $(host_prefix)/share/config.site : config.site.in $(host_prefix)/.stamp_$(final_
             -e 's|@allow_host_packages@|$(ALLOW_HOST_PACKAGES)|' \
             -e 's|@no_qt@|$(NO_QT)|' \
             -e 's|@no_zmq@|$(NO_ZMQ)|' \
+            -e 's|@enable_bip70@|$(PROTOBUF)|' \
             -e 's|@no_wallet@|$(NO_WALLET)|' \
             -e 's|@no_upnp@|$(NO_UPNP)|' \
             -e 's|@debug@|$(DEBUG)|' \
diff --git a/depends/README.md b/depends/README.md
index ca542be13f..cfb9bbfeb0 100644
--- a/depends/README.md
+++ b/depends/README.md
@@ -77,6 +77,7 @@ The following can be set when running make: make FOO=bar
     NO_UPNP: Don't download/build/cache packages needed for enabling upnp
     DEBUG: disable some optimizations and enable more runtime checking
     RAPIDCHECK: build rapidcheck (experimental, requires cmake)
+    PROTOBUF: build protobuf (used for deprecated BIP70 support)
     HOST_ID_SALT: Optional salt to use when generating host package ids
     BUILD_ID_SALT: Optional salt to use when generating build package ids
 
diff --git a/depends/config.site.in b/depends/config.site.in
index e633752066..d0d36641c4 100644
--- a/depends/config.site.in
+++ b/depends/config.site.in
@@ -37,6 +37,10 @@ if test -z $enable_zmq && test -n "@no_zmq@"; then
   enable_zmq=no
 fi
 
+if test -n $enable_bip70 && test -n "@enable_bip70@"; then
+  enable_bip70=yes
+fi
+
 if test x@host_os@ = xdarwin; then
   BREW=no
   PORT=no
diff --git a/depends/packages/packages.mk b/depends/packages/packages.mk
index 9edcd1eb38..667fde5271 100644
--- a/depends/packages/packages.mk
+++ b/depends/packages/packages.mk
@@ -1,7 +1,9 @@
 packages:=boost openssl libevent
 
-qt_native_packages = native_protobuf
-qt_packages = qrencode protobuf zlib
+protobuf_native_packages = native_protobuf
+protobuf_packages = protobuf
+
+qt_packages = qrencode zlib
 
 qt_linux_packages:=qt expat libxcb xcb_proto libXau xproto freetype fontconfig
 
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