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fix(BuildTools): forward --ros2 and --dds-middleware to UE4 editor command line #9665

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Merged
Blyron merged 1 commit into from
Apr 14, 2026
Merged

fix(BuildTools): forward --ros2 and --dds-middleware to UE4 editor command line #9665

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5 changes: 5 additions & 0 deletions Util/BuildTools/BuildCarlaUE4.bat
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Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,11 @@ if not "%1"=="" (
rem remove quotes from arguments
set EDITOR_FLAGS=%EDITOR_FLAGS:"=%

rem Forward ROS2 runtime flags to the UE4 editor command line
if %USE_ROS2% == true (
set EDITOR_FLAGS=%EDITOR_FLAGS% --ros2
)

if %REMOVE_INTERMEDIATE% == false (
if %LAUNCH_UE4_EDITOR% == false (
if %BUILD_UE4_EDITOR% == false (
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16 changes: 15 additions & 1 deletion Util/BuildTools/BuildCarlaUE4.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -19,13 +19,14 @@ USE_PYTORCH=false
USE_UNITY=true
USE_ROS2=false
CHRONO_PATH=""
DDS_MIDDLEWARE=""

EDITOR_FLAGS=""

GDB=
RHI="-vulkan"

OPTS=`getopt -o h --long help,build,rebuild,launch,clean,hard-clean,gdb,opengl,carsim,pytorch,chrono,chrono-path:,ros2,no-simready,no-unity,editor-flags: -n 'parse-options' -- "$@"`
OPTS=`getopt -o h --long help,build,rebuild,launch,clean,hard-clean,gdb,opengl,carsim,pytorch,chrono,chrono-path:,ros2,dds-middleware:,no-simready,no-unity,editor-flags: -n 'parse-options' -- "$@"`

eval set -- "$OPTS"

Expand Down Expand Up @@ -73,6 +74,9 @@ while [[ $# -gt 0 ]]; do
--ros2 )
USE_ROS2=true;
shift ;;
--dds-middleware )
DDS_MIDDLEWARE=$2;
shift 2 ;;
--no-simready )
USE_SIMREADY=false
shift ;;
Expand All @@ -89,6 +93,16 @@ while [[ $# -gt 0 ]]; do
esac
done

# Forward ROS2 runtime flags to the UE4 editor command line.
# --ros2 is consumed above for build-time config (OptionalModules.ini);
# the editor also needs it as a runtime flag for CarlaSettings.
if ${USE_ROS2} ; then
EDITOR_FLAGS="${EDITOR_FLAGS} --ros2"
fi
if [ -n "${DDS_MIDDLEWARE}" ] ; then
EDITOR_FLAGS="${EDITOR_FLAGS} --dds-middleware=${DDS_MIDDLEWARE}"
fi

# ==============================================================================
# -- Set up environment --------------------------------------------------------
# ==============================================================================
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