xref: /freebsd/contrib/bmake/unit-tests/jobs-empty-commands.mk (revision dba7b0ef928af88caa38728a73657b837aeeac93)
1# $NetBSD: jobs-empty-commands.mk,v 1.2 2021/01/30 12:46:38 rillig Exp $
2#
3# In jobs mode, the shell commands for creating a target are written to a
4# temporary file first, which is then run by the shell.  In chains of
5# dependencies, these files would end up empty.  Since job.c 1.399 from
6# 2021-01-29, these empty files are no longer created.
7#
8# https://mail-index.netbsd.org/current-users/2021/01/26/msg040215.html
9
10.MAKEFLAGS: -j1
11#.MAKEFLAGS: -dn		# to see the created temporary files
12
13all: .PHONY step-1
14.for i i_plus_1 in ${:U:range=100:@i@$i $i@:[2..199]}
15step-$i: .PHONY step-${i_plus_1}
16.endfor
17step-100: .PHONY
18	@echo 'action'
19