Use termux_error_exit

disabled-packages/nodejs-current/build.sh

@@ -39,8 +39,7 @@ termux_step_configure () {
 	elif [ $TERMUX_ARCH = "x86_64" ]; then
 		DEST_CPU="x64"
 	else
-		echo "Unsupported arch: $TERMUX_ARCH"
-		exit 1
+		termux_error_exit "Unsupported arch '$TERMUX_ARCH'"
 	fi
 
 	export GYP_DEFINES="host_os=linux"

packages/nodejs/build.sh

@@ -37,8 +37,7 @@ termux_step_configure () {
 	elif [ $TERMUX_ARCH = "x86_64" ]; then
 		DEST_CPU="x64"
 	else
-		echo "Unsupported arch: $TERMUX_ARCH"
-		exit 1
+		termux_error_exit "Unsupported arch '$TERMUX_ARCH'"
 	fi
 
 	# See note above TERMUX_PKG_DEPENDS why we do not use a shared libuv.

packages/python2/build.sh

@@ -70,7 +70,7 @@ termux_step_post_massage () {
 	# Verify that desired modules have been included:
 	for module in _ssl bz2 zlib _curses _sqlite3; do
 		if [ ! -f lib/python${_MAJOR_VERSION}/lib-dynload/${module}.so ]; then
-			termux_error_exit "ERROR: Python module library $module not built"
+			termux_error_exit "Python module library $module not built"
 		fi
 	done
 }