2 # Copyright (C) 2008-2013 Free Software Foundation, Inc.
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2, or (at your option)
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17 # Test parallel automake execution.
19 # There are several hypotheses to be tested: Independently of the number
20 # of threads used by automake,
21 # 0) the generated Makefile.in files must be identical without --add-missing,
22 # 1) the Makefile.in that distributes auxiliary files must be generated
23 # after all other ones, so all installed aux files are caught,
24 # 2) normal automake output should have identical content and be ordered
25 # in the same way, when --add-missing is not passed, or when
26 # --add-missing is passed but there are no concurrent file requirements
27 # (i.e., two Makefile.am files call for the same needed aux file)
28 # 3) normal automake output should be identical and ordered in the same way
29 # with --add-missing, even with concurrent file requirements, and the
30 # installation of aux files should be race-free,
31 # 4) warning and normal error output should be identical, in that duplicate
32 # warnings should be omitted in the same way as without threads,
33 # 5) fatal error and debug messages could be identical. This is not
36 # This test checks (0), (1), and (2). See sister tests for further coverage.
41 cat > configure.ac << 'END'
42 AC_INIT([parallel-am], [1.0])
43 AC_CONFIG_AUX_DIR([build-aux])
48 AC_CONFIG_FILES([Makefile])
51 cat > Makefile.am << 'END'
55 list='1 2 3 4 5 6 7 8 9'
57 echo "AC_CONFIG_FILES([sub$i/Makefile])" >> configure.ac
58 echo "SUBDIRS += sub$i" >> Makefile.am
60 echo > sub$i/Makefile.am
62 # Use an include chain to cause a nontrivial location object to be
63 # serialized through a thread queue.
64 echo 'include foo.am' >> sub7/Makefile.am
65 echo 'include bar.am' > sub7/foo.am
66 echo 'python_PYTHON = foo.py' > sub7/bar.am
67 echo 'lisp_LISP = foo.el' >> sub8/Makefile.am
68 echo 'bin_PROGRAMS = p' >> sub9/Makefile.am
70 rm -f install-sh missing depcomp
75 # This test may have to be run several times in order to expose the
76 # race that, when the last Makefile.in (the toplevel one) is created
77 # before the other ones have finished, not all auxiliary files may
78 # be installed yet, thus some may not be distributed.
80 # Further, automake output should be stable.
82 # Generate expected output using the non-threaded code.
84 AUTOMAKE_run --add-missing
86 Makefile_ins=$(find . -name Makefile.in)
87 for file in $Makefile_ins; do
94 for run in 1 2 3 4 5 6 7; do
95 rm -f build-aux/* sub*/Makefile.in
96 AUTOMAKE_run --add-missing
98 for file in $Makefile_ins; do