1 files changed, 135 insertions, 0 deletions
diff --git a/build/mozconfig.cache b/build/mozconfig.cache
new file mode 100644
index 000000000..be740e293
--- /dev/null
+++ b/build/mozconfig.cache
@@ -0,0 +1,135 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Setup for build cache
+
+# Avoid duplication if the file happens to be included twice.
+if test -z "$bucket" -a -z "$NO_CACHE"; then
+
+# buildbot (or builders that use buildprops.json):
+if [ -f $topsrcdir/../buildprops.json ]; then
+read branch platform master <<EOF
+$(python2.7 -c 'import json; p = json.loads(open("'"$topsrcdir"'/../buildprops.json").read())["properties"]; print p["branch"], p["platform"], p["master"]' 2> /dev/null)
+EOF
+
+bucket=
+if test -z "$SCCACHE_DISABLE" -a -z "$no_sccache" -a -z "$MOZ_PGO_IS_SET" -a -z "$MOZ_PGO"; then
+    case "${branch}" in
+    try)
+        case "${master}" in
+        *scl1.mozilla.com*|*.scl3.mozilla.com*)
+            bucket=mozilla-releng-s3-cache-us-west-1-try
+            ;;
+        *use1.mozilla.com*)
+            bucket=mozilla-releng-s3-cache-us-east-1-try
+            ;;
+        *usw2.mozilla.com*)
+            bucket=mozilla-releng-s3-cache-us-west-2-try
+            ;;
+        esac
+        ;;
+    autoland|mozilla-inbound)
+        case "${master}" in
+        *use1.mozilla.com*)
+            bucket=mozilla-releng-s3-cache-us-east-1-prod
+            ;;
+        *usw2.mozilla.com*)
+            bucket=mozilla-releng-s3-cache-us-west-2-prod
+            ;;
+        esac
+        ;;
+    esac
+fi
+
+# builds without buildprops (eg: taskcluster or non-buildbot) and without ccache env config and without sccache disabled:
+elif test -z "$CCACHE_DIR" -a -z "$SCCACHE_DISABLE" -a -z "$no_sccache" -a -z "$MOZ_PGO_IS_SET" -a -z "$MOZ_PGO"; then
+
+    # prevent rerun if az is set, or wget is not available
+    if test -z "$availability_zone" -a -x "$(command -v wget)"; then
+        # timeout after 1 second, and don't retry (failure indicates instance is not in ec2 or network issue)
+        # availability_zone is of the form <region><letter> where region is e.g. us-west-2, and az is us-west-2a
+        availability_zone=$(wget -T 1 -t 1 -q -O - http://169.254.169.254/latest/meta-data/placement/availability-zone || true)
+        if test -z "$availability_zone" -o "$availability_zone" = "not-ec2"; then
+            availability_zone=not-ec2
+        else
+            # region is az with last letter trimmed
+            region=${availability_zone%?}
+            # set S3 bucket according to tree (level)
+            case "${GECKO_HEAD_REPOSITORY}" in
+            *hg.mozilla.org/try*)
+                bucket=taskcluster-level-1-sccache-${region}
+                ;;
+            *hg.mozilla.org/integration/autoland*|*hg.mozilla.org/integration/mozilla-inbound*)
+                bucket=taskcluster-level-3-sccache-${region}
+                ;;
+            esac
+
+            # set a dummy master
+            case "${region}" in
+            eu-central-1)
+                master=dummy.euc1.mozilla.com
+                ;;
+            us-east-1)
+                master=dummy.use1.mozilla.com
+                ;;
+            us-west-1)
+                master=dummy.usw1.mozilla.com
+                ;;
+            us-west-2)
+                master=dummy.usw2.mozilla.com
+                ;;
+            esac
+        fi
+    fi
+fi
+
+# if platform hasn't been determined from buildprops, and we're on windows,
+# it must be set to prevent adding ac_add_options --with-ccache below
+if test -z "$platform"; then
+    # set platform based on the SYSTEMROOT env var
+    case "${SYSTEMROOT}" in
+    *Windows)
+        platform=windows
+        ;;
+    esac
+fi
+
+if test -z "$bucket"; then
+    case "$platform" in
+    win*) : ;;
+    *)
+        ac_add_options --with-ccache
+    esac
+else
+    if ! test -e $topsrcdir/sccache/sccache.py; then
+        echo "Sccache missing in the tooltool manifest" >&2
+        exit 1
+    fi
+    mk_add_options "export SCCACHE_BUCKET=$bucket"
+    case "$master" in
+    *us[ew][12].mozilla.com*|*euc1.mozilla.com*)
+        mk_add_options "export SCCACHE_NAMESERVER=169.254.169.253"
+        ;;
+    esac
+    ac_add_options "--with-compiler-wrapper=python2.7 $topsrcdir/sccache/sccache.py"
+    mk_add_options MOZ_PREFLIGHT_ALL+=build/sccache.mk
+    mk_add_options MOZ_POSTFLIGHT_ALL+=build/sccache.mk
+    mk_add_options "UPLOAD_EXTRA_FILES+=sccache.log.gz"
+    case "$platform" in
+    win*)
+        # sccache supports a special flag to create depfiles.
+        export _DEPEND_CFLAGS='-deps$(MDDEPDIR)/$(@F).pp'
+        # Windows builds have a default wrapper that needs to be overridden
+        mk_add_options "export CC_WRAPPER="
+        mk_add_options "export CXX_WRAPPER="
+        # For now, sccache doesn't support separate PDBs so force debug info to be
+        # in object files.
+        mk_add_options "export COMPILE_PDB_FLAG="
+        mk_add_options "export HOST_PDB_FLAG="
+        mk_add_options "export MOZ_DEBUG_FLAGS=-Z7"
+        ;;
+    esac
+fi
+
+fi