Tweak startup scripts way to find python3

data/carla

@@ -1,8 +1,8 @@
 #!/bin/sh
 
-if [ -f /usr/bin/python3 ]; then
-  PYTHON=/usr/bin/python3
-else
+PYTHON=$(which python3 2>/dev/null)
+
+if [ ! -f ${PYTHON} ]; then
   PYTHON=python
 fi
 

data/carla-control

@@ -1,8 +1,8 @@
 #!/bin/sh
 
-if [ -f /usr/bin/python3 ]; then
-  PYTHON=/usr/bin/python3
-else
+PYTHON=$(which python3 2>/dev/null)
+
+if [ ! -f ${PYTHON} ]; then
   PYTHON=python
 fi
 

data/carla-database

@@ -1,11 +1,15 @@
 #!/bin/sh
 
-if [ -f /usr/bin/python3 ]; then
-  PYTHON=/usr/bin/python3
-else
+PYTHON=$(which python3 2>/dev/null)
+
+if [ ! -f ${PYTHON} ]; then
   PYTHON=python
 fi
 
+if [ "$1" = "--gdb" ]; then
+  PYTHON="gdb --args $PYTHON"
+fi
+
 INSTALL_PREFIX="X-PREFIX-X"
 export PATH="$INSTALL_PREFIX"/lib/carla:$PATH
 exec $PYTHON "$INSTALL_PREFIX"/share/carla/carla_database.py --with-libprefix="$INSTALL_PREFIX" "$@"

data/carla-jack-multi

@@ -1,8 +1,8 @@
 #!/bin/sh
 
-if [ -f /usr/bin/python3 ]; then
-  PYTHON=/usr/bin/python3
-else
+PYTHON=$(which python3 2>/dev/null)
+
+if [ ! -f ${PYTHON} ]; then
   PYTHON=python
 fi
 

data/carla-jack-single

@@ -1,8 +1,8 @@
 #!/bin/sh
 
-if [ -f /usr/bin/python3 ]; then
-  PYTHON=/usr/bin/python3
-else
+PYTHON=$(which python3 2>/dev/null)
+
+if [ ! -f ${PYTHON} ]; then
   PYTHON=python
 fi
 

data/carla-patchbay

@@ -1,8 +1,8 @@
 #!/bin/sh
 
-if [ -f /usr/bin/python3 ]; then
-  PYTHON=/usr/bin/python3
-else
+PYTHON=$(which python3 2>/dev/null)
+
+if [ ! -f ${PYTHON} ]; then
   PYTHON=python
 fi
 

data/carla-rack

@@ -1,8 +1,8 @@
 #!/bin/sh
 
-if [ -f /usr/bin/python3 ]; then
-  PYTHON=/usr/bin/python3
-else
+PYTHON=$(which python3 2>/dev/null)
+
+if [ ! -f ${PYTHON} ]; then
   PYTHON=python
 fi
 

data/carla-settings

@@ -1,11 +1,15 @@
 #!/bin/sh
 
-if [ -f /usr/bin/python3 ]; then
-  PYTHON=/usr/bin/python3
-else
+PYTHON=$(which python3 2>/dev/null)
+
+if [ ! -f ${PYTHON} ]; then
   PYTHON=python
 fi
 
+if [ "$1" = "--gdb" ]; then
+  PYTHON="gdb --args $PYTHON"
+fi
+
 INSTALL_PREFIX="X-PREFIX-X"
 export PATH="$INSTALL_PREFIX"/lib/carla:$PATH
 exec $PYTHON "$INSTALL_PREFIX"/share/carla/carla_settings.py --with-libprefix="$INSTALL_PREFIX" "$@"