Test scons multithreaded random build (#29082)

* random build

* name

* 2 pass

* clean after

* fail on this

* fix deps

* format

* var

* try without lfs

Jenkinsfile

@@ -134,6 +134,28 @@ pipeline {
         }
         */
 
+        stage('scons build test') {
+          agent {
+            dockerfile {
+              filename 'Dockerfile.openpilot_base'
+              args '--user=root'
+            }
+          }
+          steps {
+            sh "git config --global --add safe.directory '*'"
+            sh "git submodule update --init --depth=1 --recursive"
+            sh "scons --clean && scons --no-cache -j42"
+            sh "scons --clean && scons --no-cache --random -j42"
+          }
+
+          post {
+            always {
+              sh "rm -rf ${WORKSPACE}/* || true"
+              sh "rm -rf .* || true"
+            }
+          }
+        }
+
         stage('tizi-tests') {
           agent { docker { image 'ghcr.io/commaai/alpine-ssh'; args '--user=root' } }
           steps {

selfdrive/controls/lib/lateral_mpc_lib/SConscript

@@ -57,9 +57,10 @@ source_list = ['lat_mpc.py',
 lenv = env.Clone()
 lenv.Clean(generated_files, Dir(gen))
 
-lenv.Command(generated_files,
+generated_lat = lenv.Command(generated_files,
                              source_list,
                              f"cd {Dir('.').abspath} && python3 lat_mpc.py")
+lenv.Depends(generated_lat, "#common")
 
 lenv["CFLAGS"].append("-DACADOS_WITH_QPOASES")
 lenv["CXXFLAGS"].append("-DACADOS_WITH_QPOASES")

selfdrive/controls/lib/longitudinal_mpc_lib/SConscript

@@ -64,9 +64,10 @@ source_list = ['long_mpc.py',
 lenv = env.Clone()
 lenv.Clean(generated_files, Dir(gen))
 
-lenv.Command(generated_files,
+generated_long = lenv.Command(generated_files,
                               source_list,
                               f"cd {Dir('.').abspath} && python3 long_mpc.py")
+lenv.Depends(generated_long, "#cereal")
 
 lenv["CFLAGS"].append("-DACADOS_WITH_QPOASES")
 lenv["CXXFLAGS"].append("-DACADOS_WITH_QPOASES")

tools/cabana/SConscript

@@ -38,6 +38,7 @@ cabana_env.Program('cabana', ['cabana.cc', cabana_lib, assets], LIBS=cabana_libs
 if GetOption('test'):
   cabana_env.Program('tests/test_cabana', ['tests/test_runner.cc', 'tests/test_cabana.cc', cabana_lib], LIBS=[cabana_libs])
 
-def generate_dbc_json(target, source, env):
-  env.Execute('tools/cabana/dbc/generate_dbc_json.py --out tools/cabana/dbc/car_fingerprint_to_dbc.json')
-cabana_env.Command('generate_dbc_json', [], generate_dbc_json)
+generate_dbc = cabana_env.Command('generate_dbc_json',
+                                   [],
+                                   "python3 tools/cabana/dbc/generate_dbc_json.py --out tools/cabana/dbc/car_fingerprint_to_dbc.json")
+cabana_env.Depends(generate_dbc, ["#common", "#selfdrive/boardd", "#opendbc", "#cereal"])