1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0+ 3# 4# Figure out if we should follow a specific parallelism from the make 5# environment (as exported by scripts/jobserver-exec), or fall back to 6# the "auto" parallelism when "-jN" is not specified at the top-level 7# "make" invocation. 8 9sphinx="$1" 10shift || true 11 12parallel="$PARALLELISM" 13if [ -z "$parallel" ] ; then 14 # If no parallelism is specified at the top-level make, then 15 # fall back to the expected "-jauto" mode that the "htmldocs" 16 # target has had. 17 auto=$(perl -e 'open IN,"'"$sphinx"' --version 2>&1 |"; 18 while (<IN>) { 19 if (m/([\d\.]+)/) { 20 print "auto" if ($1 >= "1.7") 21 } 22 } 23 close IN') 24 if [ -n "$auto" ] ; then 25 parallel="$auto" 26 fi 27fi 28# Only if some parallelism has been determined do we add the -jN option. 29if [ -n "$parallel" ] ; then 30 parallel="-j$parallel" 31fi 32 33exec "$sphinx" $parallel "$@" 34