Signal build failures to GHA but try to upload any existing build logs

.github/workflows/make-sandwich.yml

@@ -11,8 +11,6 @@ on:
 jobs:
   build_toolchain_parts:
     runs-on: ubuntu-latest
-    strategy:
-      fail-fast: true
     steps:
 
       - uses: actions/checkout@v4
@@ -43,7 +41,8 @@ jobs:
           # exports ############################################################
           echo "BUILD_LOGS=${BUILD_LOGS}" >> $GITHUB_ENV
 
-      - uses: actions/upload-artifact@v4
+      - if: '!cancelled()'
+        uses: actions/upload-artifact@v4
         with:
           name: build-logs
           path: ${{ env.BUILD_LOGS }}/

config/build-order.tpl

@@ -8,7 +8,7 @@ for _job in @@_BUILD_ORDER_@@; do
 
 	date
 
-	time scripts/Build-Target -cfg @@_TARGET_CONFIG_@@ -job $_job # || exit 1
+	time scripts/Build-Target -cfg @@_TARGET_CONFIG_@@ -job $_job || touch /BUILD_FAILED
 
 	date
 

tools/workflow.bash

@@ -8,9 +8,9 @@
 #CONFIG_DIR="$PWD/toolchain-autobuilds/config"
 #TOOLS_DIR="$PWD/toolchain-autobuilds/tools"
 #SNAPSHOTS="$PWD/snapshots"
-#PAST_BUILDS="$PWD/past-builds"
+#BUILD_LOGS="$PWD/build-logs"
 #
-#export T2_TEMPLATE_BASE_DIR T2_ROOT CONFIG_DIR TOOLS_DIR SNAPSHOTS PAST_BUILDS
+#export T2_TEMPLATE_BASE_DIR T2_ROOT CONFIG_DIR TOOLS_DIR SNAPSHOTS PAST_BUILDS BUILD_LOGS
 
 # prepare snapshots if any new are available
 NEW_SNAPSHOTS=0
@@ -77,4 +77,11 @@ for _build in ${_build_order}; do
 	cp ${_target_env_log_dir}/${_build}* ${BUILD_LOGS}/
 done
 
-exit
+# check for build failure marker
+if [[ -e ${T2_ROOT}/BUILD_FAILED ]]; then
+
+	echo "E: Build failed for at least one build job. Please examine."
+	exit 1
+else
+	exit 0
+fi