From 850019de423b4e4bc70474bd17722f34a7e6b2fa Mon Sep 17 00:00:00 2001
From: David Mercer <radix42@gmail.com>
Date: Wed, 19 Oct 2016 15:48:52 -0700
Subject: [PATCH 1/4] explicitly pass HOST and BUILD to ./configure

---
 zcutil/build.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zcutil/build.sh b/zcutil/build.sh
index e259c02cb..968b34889 100755
--- a/zcutil/build.sh
+++ b/zcutil/build.sh
@@ -37,5 +37,5 @@ PREFIX="$(pwd)/depends/x86_64-unknown-linux-gnu/"
 
 make "$@" -C ./depends/ V=1 NO_QT=1
 ./autogen.sh
-./configure --prefix="${PREFIX}" --with-gui=no "$HARDENING_ARG" "$LCOV_ARG" CXXFLAGS='-fwrapv -fno-strict-aliasing -Werror -g'
+./configure --prefix="${PREFIX}" --host=x86_64-unknown-linux-gnu --build=x86_64-unknown-linux-gnu --with-gui=no "$HARDENING_ARG" "$LCOV_ARG" CXXFLAGS='-fwrapv -fno-strict-aliasing -Werror -g'
 make "$@" V=1

From 1ead1bb0b3567f4ced2e29ed7fc09fafce94f48f Mon Sep 17 00:00:00 2001
From: David Mercer <radix42@gmail.com>
Date: Wed, 19 Oct 2016 19:36:52 -0700
Subject: [PATCH 2/4] allow both HOST and BUILD to be passed in from the
 zcutil/build.sh

---
 depends/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/depends/Makefile b/depends/Makefile
index 2b2538f95..3d8dd25ca 100644
--- a/depends/Makefile
+++ b/depends/Makefile
@@ -8,7 +8,7 @@ NO_WALLET ?=
 NO_UPNP ?=
 FALLBACK_DOWNLOAD_PATH ?= https://z.cash/depends-sources
 
-BUILD = $(shell ./config.guess)
+BUILD ?= $(shell ./config.guess)
 HOST ?= $(BUILD)
 PATCHES_PATH = $(BASEDIR)/patches
 BASEDIR = $(CURDIR)

From 33118f63b940c91be64617cee3fef88c58c6d0aa Mon Sep 17 00:00:00 2001
From: David Mercer <radix42@gmail.com>
Date: Wed, 19 Oct 2016 19:37:37 -0700
Subject: [PATCH 3/4] pass in both HOST and BUILD to depends system, needed for
 deterministic builds

---
 zcutil/build.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zcutil/build.sh b/zcutil/build.sh
index 968b34889..0000c6201 100755
--- a/zcutil/build.sh
+++ b/zcutil/build.sh
@@ -35,7 +35,7 @@ fi
 # BUG: parameterize the platform/host directory:
 PREFIX="$(pwd)/depends/x86_64-unknown-linux-gnu/"
 
-make "$@" -C ./depends/ V=1 NO_QT=1
+HOST=x86_64-unknown-linux-gnu BUILD=x86_64-unknown-linux-gnu make "$@" -C ./depends/ V=1 NO_QT=1
 ./autogen.sh
 ./configure --prefix="${PREFIX}" --host=x86_64-unknown-linux-gnu --build=x86_64-unknown-linux-gnu --with-gui=no "$HARDENING_ARG" "$LCOV_ARG" CXXFLAGS='-fwrapv -fno-strict-aliasing -Werror -g'
 make "$@" V=1

From ed928f413ed3d2a15f49c22f7c6962d45651d3c6 Mon Sep 17 00:00:00 2001
From: David Mercer <radix42@gmail.com>
Date: Wed, 19 Oct 2016 20:18:03 -0700
Subject: [PATCH 4/4] explicitly pass HOST and BUILD to libgmp ./configure

---
 depends/packages/libgmp.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/depends/packages/libgmp.mk b/depends/packages/libgmp.mk
index cf3dfc0f7..2e55b05f6 100644
--- a/depends/packages/libgmp.mk
+++ b/depends/packages/libgmp.mk
@@ -7,7 +7,7 @@ $(package)_dependencies=
 $(package)_config_opts=--enable-cxx --disable-shared
 
 define $(package)_config_cmds
-  $($(package)_autoconf)
+  $($(package)_autoconf) --host=$(host) --build=$(build)
 endef
 
 define $(package)_build_cmds