add requirements to rules

app/Makefile

@@ -61,13 +61,14 @@ include Makefile.app-config
 	mkdir -p $@
 
 # install the necessary android sdks
-./android-sdk/installed: app-config.sh
+./android-sdk/installed: app-config.sh ./.Makefile.scripts/make--android-sdk.sh
 	./.Makefile.scripts/make--android-sdk.sh
 
 # generate the AndroidManifest.xml
-./AndroidManifest.xml: app-config.sh
+./AndroidManifest.xml: app-config.sh ./.Makefile.scripts/make--AndroidManifest.xml
 	./.Makefile.scripts/make--AndroidManifest.xml
 
+# !!this step (when/if) run will trigger a restart of the "make" as the rules tartget is included
 Makefile.app-config: app-config.sh Makefile
 	source app-config.sh; \
 	tee $@ << MAKEFILE_APP_CONFIG

build-android-app.sh

@@ -36,7 +36,11 @@ RUN <<EOF
 cat > /bin/makefile-bash-wrapper.sh << 'WRAPPER'
 #!/bin/bash
 printf $'\033[0;32m''#----------------------------------------\n'$'\033[0m' >&2
-bash "$@"
+bash -e "$@" || {
+  EXITCODE=$?
+  printf $'\033[0;31m''ERROR EXITCODE='"$EXITCODE"'\n'$'\033[0m' >&2
+  exit $EXITCODE
+}
 printf '\n\n\n\n' >&2
 WRAPPER
 chmod u+x /bin/makefile-bash-wrapper.sh
@@ -44,6 +48,7 @@ EOF
 DOCKERFILEEOF
 }
 
+printf $'\033[0;33m'"$(date -Iseconds) starting build"'$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$\n'$'\033[0m'
 diff Dockerfile <(DockerfileContent) 2>/dev/null > /dev/null || {
     test -f Dockerfile && {
         read -p 'reset/start Dockerfile[Y/n]' YES