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51e46c7a KC |
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 | ||
9 | sphinx="$1" | |
10 | shift || true | |
11 | ||
12 | parallel="$PARALLELISM" | |
13 | if [ -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="$auto" | |
26 | fi | |
27 | fi | |
28 | # Only if some parallelism has been determined do we add the -jN option. | |
29 | if [ -n "$parallel" ] ; then | |
30 | parallel="-j$parallel" | |
31 | fi | |
32 | ||
adc10f5b | 33 | exec "$sphinx" $parallel "$@" |