From 5675026e23e454873e5583d859d4b0fe5442a4d6 Mon Sep 17 00:00:00 2001
From: Alvin Huang <alvin@hashicorp.com>
Date: Wed, 20 Mar 2019 15:19:17 -0400
Subject: [PATCH 1/2] add optional parallel flag to gox

---
 build-support/functions/20-build.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/build-support/functions/20-build.sh b/build-support/functions/20-build.sh
index 9dd02bf36c..21dd4ec4c1 100644
--- a/build-support/functions/20-build.sh
+++ b/build-support/functions/20-build.sh
@@ -367,7 +367,8 @@ function build_consul_local {
    #   If the XC_OS or the XC_ARCH environment vars are present then only those platforms/architectures
    #   will be built. Otherwise all supported platform/architectures are built
    #   The NOGOX environment variable will be used if present. This will prevent using gox and instead
-   #   build with go install
+   #   build with go install.
+   #   The GOXPARALLEL environment variable is used if set
 
    if ! test -d "$1"
    then
@@ -427,6 +428,7 @@ function build_consul_local {
          -arch="${build_arch}" \
          -osarch="!darwin/arm !darwin/arm64 !freebsd/arm"  \
          -ldflags="${GOLDFLAGS}" \
+         -parallel="${GOXPARALLEL:-"-1"}" \
          -output "pkg.bin.new/${extra_dir}{{.OS}}_{{.Arch}}/consul" \
          -tags="${GOTAGS}" \
          .

From ee9346f4c30f6647fda68ea6b0545aca07939335 Mon Sep 17 00:00:00 2001
From: Alvin Huang <alvin@hashicorp.com>
Date: Wed, 20 Mar 2019 15:24:17 -0400
Subject: [PATCH 2/2] adding distro builds to circleci

---
 .circleci/config.yml | 46 ++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 42 insertions(+), 4 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 9749f00356..486cea1acd 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -22,6 +22,43 @@ references:
     GIT_COMMITTER_NAME: circleci-consul
 
 jobs:
+  # build all distros
+  build-distros: &build-distros
+    docker:
+      - image: *GOLANG_IMAGE
+    environment: &build-env
+      GOXPARALLEL: 2 # CircleCI containers are 2 CPU x 4GB RAM
+    working_directory: /go/src/github.com/hashicorp/consul
+    steps:
+      - checkout
+      - run: make tools
+      - run: ./build-support/scripts/build-local.sh
+
+      # save dev build to CircleCI
+      - store_artifacts:
+          path: ./pkg/bin
+
+  build-386:
+    <<: *build-distros
+    environment:
+      <<: *build-env
+      XC_OS: "darwin freebsd linux windows"
+      XC_ARCH: "386"
+
+  build-amd64:
+    <<: *build-distros
+    environment:
+      <<: *build-env
+      XC_OS: "darwin freebsd linux solaris windows"
+      XC_ARCH: "amd64"
+
+  build-arm-arm64:
+    <<: *build-distros
+    environment:
+      <<: *build-env
+      XC_OS: linux
+      XC_ARCH: "arm arm64"
+
   dev-build:
     docker:
       - image: *GOLANG_IMAGE
@@ -30,10 +67,6 @@ jobs:
       - checkout
       - run: make dev
 
-      # save dev build to CircleCI
-      - store_artifacts:
-          path: /go/bin/consul
-
       # save dev build to pass to downstream jobs
       - persist_to_workspace:
           root: /go/bin
@@ -178,6 +211,11 @@ jobs:
 
 workflows:
   version: 2
+  build-distros:
+    jobs:
+      - build-386
+      - build-amd64
+      - build-arm-arm64
   test-integrations:
     jobs:
       - dev-build