feat(ci): Build amalgamation in the CI with multithreading enabled

Prevent regression to the recent build fix.

Co-authored-by: kimim <kimi.im@outlook.com>

.github/workflows/build_linux.yml

@@ -73,6 +73,9 @@ jobs:
           - build_name: Amalgamation Build
             cmd_deps: ""
             cmd_action: build_amalgamation
+          - build_name: Amalgamation Build with Multithreading
+            cmd_deps: ""
+            cmd_action: build_amalgamation_mt
           - build_name: "Valgrind Build & Unit Tests with MbedTLS (gcc)"
             cmd_deps: sudo apt-get install -y -qq valgrind libmbedtls-dev
             cmd_action: unit_tests_valgrind MBEDTLS

tools/ci.sh

@@ -99,6 +99,23 @@ function build_amalgamation {
     make ${MAKEOPTS}
 }
 
+function build_amalgamation_mt {
+    mkdir -p build; cd build; rm -rf *
+    cmake -DCMAKE_BUILD_TYPE=Debug \
+          -DUA_ENABLE_AMALGAMATION=ON \
+          -DUA_ENABLE_DISCOVERY=ON \
+          -DUA_ENABLE_SUBSCRIPTIONS_EVENTS=ON \
+          -DUA_ENABLE_JSON_ENCODING=ON \
+          -DUA_ENABLE_PUBSUB=ON \
+          -DUA_ENABLE_PUBSUB_ETH_UADP=ON \
+          -DUA_ENABLE_PUBSUB_DELTAFRAMES=ON \
+          -DUA_ENABLE_PUBSUB_INFORMATIONMODEL=ON \
+          -DUA_ENABLE_PUBSUB_MONITORING=ON \
+          -DUA_MULTITHREADING=100 \
+          ..
+    make ${MAKEOPTS}
+}
+
 ############################
 # Build and Run Unit Tests #
 ############################