Run bootstrapping tests on Buildkite

Author: wilzbach

buildkite.sh

@@ -39,6 +39,32 @@ cat << 'EOF'
   - wait
 EOF
 
+################################################################################
+# Test bootstrapping with different compilers
+################################################################################
+
+case "${BUILDKITE_REPO:-x}" in
+    "https://github.com/dlang/dmd.git" | \
+    "https://github.com/dlang/druntime.git" | \
+    "https://github.com/dlang/phobos.git" | \
+    "https://github.com/dlang/ci.git")
+
+for line in dmd-64 gdc-64 ldc-64 ; do
+    # TODO: dmd-32
+    IFS=- read -r compiler model <<< "$line"
+cat << EOF
+  - command: |
+        ${LOAD_CI_FOLDER}
+        DMD=$compiler MODEL=$model ./buildkite/test_bootstrap.sh
+    label: "Bootstrap ($compiler)"
+EOF
+
+done
+    ;;
+    *)
+    ;;
+esac
+
 ################################################################################
 # Style & coverage targets
 # Must run after the 'wait' to avoid blocking the build_distribution step

buildkite/build_distribution.sh

@@ -10,6 +10,11 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 "$DIR/clone_repositories.sh"
 
+for dir in dmd druntime phobos ; do
+    echo "--- Building $dir"
+    make -C $dir -f posix.mak AUTO_BOOTSTRAP=1 --jobs=4
+done
+
 echo "--- Building dub"
 cd dub
 DMD="../dmd/generated/linux/release/64/dmd" ./build.sh

buildkite/clone_repositories.sh

@@ -44,8 +44,3 @@ for dir in "${repositories[@]}" ; do
         git clone -b "${branch:-master}" --depth 1 "https://github.com/dlang/$dir"
     fi
 done
-
-for dir in dmd druntime phobos ; do
-    echo "--- Building $dir"
-    make -C $dir -f posix.mak AUTO_BOOTSTRAP=1 --jobs=4
-done

buildkite/test_bootstrap.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+PS4="~> " # needed to avoid accidentally generating collapsed output
+set -uexo pipefail
+
+echo "--- Setting build variables"
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+"$DIR/clone_repositories.sh"
+
+echo "--- Exporting build variables"
+
+export BRANCH="${BUILDKITE_PULL_REQUEST_BASE_BRANCH:-}"
+export N=2
+export OS_NAME=linux
+export FULL_BUILD="${BUILDKITE_PULL_REQUEST+false}"
+
+echo "--- Go to dmd and source ci.sh"
+
+cd dmd
+source ci.sh
+
+echo "--- Installing $DMD"
+install_d "$DMD" # Source a D compiler
+
+echo "--- Running the testsuite"
+testsuite