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-rwxr-xr-xt/buildsystems/buildsystem_tests275
1 files changed, 267 insertions, 8 deletions
diff --git a/t/buildsystems/buildsystem_tests b/t/buildsystems/buildsystem_tests
index 8f7a275..41c0f97 100755
--- a/t/buildsystems/buildsystem_tests
+++ b/t/buildsystems/buildsystem_tests
@@ -1,6 +1,6 @@
#!/usr/bin/perl
-use Test::More tests => 228;
+use Test::More tests => 273;
use strict;
use warnings;
@@ -49,12 +49,32 @@ sub process_stdout {
my ($cmdline, $stdin) = @_;
my ($reader, $writer);
- open2($reader, $writer, $cmdline) or die "Unable to exec $cmdline";
+ my $pid = open2($reader, $writer, $cmdline) or die "Unable to exec $cmdline";
print $writer $stdin if $stdin;
close $writer;
+ waitpid($pid, 0);
+ $? = $? >> 8; # exit status
return readlines($reader);
}
+sub write_debian_rules {
+ my $contents=shift;
+ my $backup;
+
+ if (-f "debian/rules") {
+ (undef, $backup) = tempfile(DIR => ".", OPEN => 0);
+ rename "debian/rules", $backup;
+ }
+ # Write debian/rules if requested
+ if ($contents) {
+ open(my $f, ">", "debian/rules");
+ print $f $contents;;
+ close($f);
+ chmod 0755, "debian/rules";
+ }
+ return $backup;
+}
+
### Test Buildsystem class API methods
is( $BS_CLASS->canonpath("path/to/the/./nowhere/../../somewhere"),
"path/to/somewhere", "canonpath no1" );
@@ -384,17 +404,19 @@ EOF
}
$tmp = Cwd::getcwd();
-is_deeply( process_stdout("$^X -- - --builddirectory='autoconf/bld dir' --sourcedirectory autoconf",
+# NOTE: disabling parallel building explicitly (it might get automatically
+# enabled if run under dpkg-buildpackage -jX) to make output deterministic.
+is_deeply( process_stdout("$^X -- - --builddirectory='autoconf/bld dir' --sourcedirectory autoconf --parallel=1",
get_load_bs_source(undef, "configure")),
- [ 'NAME=autoconf', 'builddir=autoconf/bld dir', "cwd=$tmp", 'makecmd=make', 'sourcedir=autoconf' ],
+ [ 'NAME=autoconf', 'builddir=autoconf/bld dir', "cwd=$tmp", 'makecmd=make', 'parallel=1', 'sourcedir=autoconf' ],
"autoconf autoselection and sourcedir/builddir" );
-is_deeply( process_stdout("$^X -- - -Sautoconf -D autoconf", get_load_bs_source("autoconf", "build")),
- [ 'NAME=autoconf', 'builddir=undef', "cwd=$tmp", 'makecmd=make', 'sourcedir=autoconf' ],
+is_deeply( process_stdout("$^X -- - -Sautoconf -D autoconf --parallel=1", get_load_bs_source("autoconf", "build")),
+ [ 'NAME=autoconf', 'builddir=undef', "cwd=$tmp", 'makecmd=make', 'parallel=1', 'sourcedir=autoconf' ],
"forced autoconf and sourcedir" );
-is_deeply( process_stdout("$^X -- - -B -Sautoconf", get_load_bs_source("autoconf", "build")),
- [ 'NAME=autoconf', "builddir=$default_builddir", "cwd=$tmp", 'makecmd=make', 'sourcedir=.' ],
+is_deeply( process_stdout("$^X -- - -B -Sautoconf --parallel=1", get_load_bs_source("autoconf", "build")),
+ [ 'NAME=autoconf', "builddir=$default_builddir", "cwd=$tmp", 'makecmd=make', 'parallel=1', 'sourcedir=.' ],
"forced autoconf and default build directory" );
# Build the autoconf test package
@@ -459,6 +481,243 @@ dh_auto_do_autoconf('autoconf');
dh_auto_do_autoconf('autoconf', 'bld/dir', configure_args => [ "--extra-autoconf-configure-arg" ]);
ok ( ! -e 'bld', "bld got deleted too" );
+#### Test parallel building and related options / routines
+@tmp = ( $ENV{MAKEFLAGS}, $ENV{DEB_BUILD_OPTIONS} );
+
+# Test get_make_jobserver_status() sub
+
+$ENV{MAKEFLAGS} = "--jobserver-fds=103,104 -j";
+is_deeply( [ get_make_jobserver_status() ], [ "jobserver-unavailable", undef ],
+ "get_make_jobserver_status(): unavailable jobserver, unset makeflags" );
+
+$ENV{MAKEFLAGS} = "-a --jobserver-fds=103,104 -j -b";
+is_deeply( [ get_make_jobserver_status() ], [ "jobserver-unavailable", "-a -b" ],
+ "get_make_jobserver_status(): unavailable jobserver, clean makeflags" );
+
+$ENV{MAKEFLAGS} = " --jobserver-fds=1,2 -j ";
+is_deeply( [ get_make_jobserver_status() ], [ "jobserver", undef ],
+ "get_make_jobserver_status(): jobserver (available), clean makeflags" );
+
+$ENV{MAKEFLAGS} = "-a -j -b";
+is_deeply( [ get_make_jobserver_status() ], [ "jobs-0", "-a -b" ],
+ "get_make_jobserver_status(): -j" );
+
+$ENV{MAKEFLAGS} = "-a --jobs -b";
+is_deeply( [ get_make_jobserver_status() ], [ "jobs-0", "-a -b" ],
+ "get_make_jobserver_status(): --jobs" );
+
+$ENV{MAKEFLAGS} = "-j6";
+is_deeply( [ get_make_jobserver_status() ], [ "jobs-6", undef ],
+ "get_make_jobserver_status(): -j6" );
+
+$ENV{MAKEFLAGS} = "-a -j6 --jobs=7";
+is_deeply( [ get_make_jobserver_status() ], [ "jobs-7", "-a" ],
+ "get_make_jobserver_status(): -j6 --jobs=7" );
+
+$ENV{MAKEFLAGS} = "-j6 --jobserver-fds=5,6 --jobs=8";
+is_deeply( [ get_make_jobserver_status() ], [ "jobserver-unavailable", "-j6 --jobs=8" ],
+ "get_make_jobserver_status(): mixed jobserver and -j/--jobs" );
+
+# Test parallel building with makefile build system.
+$ENV{MAKEFLAGS} = "";
+$ENV{DEB_BUILD_OPTIONS} = "";
+
+sub do_parallel_mk {
+ my $dh_opts=shift || "";
+ my $make_opts=shift || "";
+ return process_stdout(
+ "LANG=C LC_ALL=C LC_MESSAGES=C $TOPDIR/dh_auto_build -Smakefile $dh_opts " .
+ "-- -s -f parallel.mk $make_opts 2>&1 >/dev/null", "");
+}
+
+sub test_isnt_parallel {
+ my ($got, $desc) = @_;
+ my @makemsgs = grep /^make[\d\[\]]*:/, @$got;
+ if (@makemsgs) {
+ like( $makemsgs[0], qr/Error 10/, $desc );
+ }
+ else {
+ ok( scalar(@makemsgs) > 0, $desc );
+ }
+}
+
+sub test_is_parallel {
+ my ($got, $desc) = @_;
+ is_deeply( $got, [] , $desc );
+ is( $?, 0, "(exit status=0) $desc");
+}
+
+test_isnt_parallel( do_parallel_mk(),
+ "No parallel by default" );
+test_isnt_parallel( do_parallel_mk("--parallel"),
+ "No parallel by default with --parallel" );
+
+$ENV{DEB_BUILD_OPTIONS}="parallel=5";
+test_isnt_parallel( do_parallel_mk(),
+ "DEB_BUILD_OPTIONS=parallel=5 without --parallel" );
+test_is_parallel( do_parallel_mk("--parallel"),
+ "DEB_BUILD_OPTIONS=parallel=5 with --parallel" );
+test_is_parallel( do_parallel_mk("--parallel=2"),
+ "DEB_BUILD_OPTIONS=parallel=5 with --parallel=2" );
+test_isnt_parallel( do_parallel_mk("--parallel=1"),
+ "DEB_BUILD_OPTIONS=parallel=5 with --parallel=1 (off)" );
+
+$ENV{MAKEFLAGS} = "--jobserver-fds=105,106 -j";
+$ENV{DEB_BUILD_OPTIONS}="";
+test_isnt_parallel( do_parallel_mk(),
+ "makefile.pm (no parallel): no make warnings about unavailable jobserver" );
+$ENV{DEB_BUILD_OPTIONS}="parallel=5";
+test_is_parallel( do_parallel_mk("--parallel"),
+ "DEB_BUILD_OPTIONS=parallel=5 with --parallel: no make warnings about unavail parent jobserver" );
+
+$ENV{MAKEFLAGS} = "-j2";
+$ENV{DEB_BUILD_OPTIONS}="";
+test_is_parallel( do_parallel_mk(),
+ "MAKEFLAGS=-j2 without --parallel: dh_auto_build honours MAKEFLAGS" );
+test_isnt_parallel( do_parallel_mk("--parallel=1"),
+ "MAKEFLAGS=-j2 with --parallel=1: dh_auto_build enforces -j1" );
+
+# Test dh dpkg-buildpackage -jX detection
+sub do_rules_for_parallel {
+ my $cmdline=shift || "";
+ my $stdin=shift || "";
+ return process_stdout("LANG=C LC_ALL=C LC_MESSAGES=C PATH=$TOPDIR:\$PATH " .
+ "make -f - $cmdline 2>&1 >/dev/null", $stdin);
+}
+
+# Simulate dpkg-buildpackage -j5
+doit("ln", "-s", "parallel.mk", "Makefile");
+
+sub test_dh_parallel {
+ my $extra_dsc=shift || "";
+ my $debian_rules=shift || "";
+ my $rules;
+ my $tmpfile;
+
+ $ENV{MAKEFLAGS} = "-j5";
+ $ENV{DEB_BUILD_OPTIONS} = "parallel=5";
+
+ # Write debian/rules if requested
+ $tmpfile = write_debian_rules($debian_rules);
+
+ $rules = <<'EOF';
+%:
+ @dh_clean > /dev/null 2>&1
+ @dh --buildsystem=makefile --after=dh_auto_configure --until=dh_auto_build $@
+ @dh_clean > /dev/null 2>&1
+EOF
+ test_is_parallel( do_rules_for_parallel("build", $rules),
+ "dh adds --parallel implicitly under dpkg-buildpackage -j5 $extra_dsc");
+
+ $ENV{MAKEFLAGS} = "";
+ test_isnt_parallel( do_rules_for_parallel("build", $rules),
+ "DEB_BUILD_OPTIONS=parallel=5 without MAKEFLAGS=-jX via dh $extra_dsc" );
+
+ $ENV{MAKEFLAGS} = "-j5";
+ $rules = <<'EOF';
+%:
+ @dh_clean > /dev/null 2>&1
+ @dh -j1 --buildsystem=makefile --after=dh_auto_configure --until=dh_auto_build $@
+ @dh_clean > /dev/null 2>&1
+EOF
+ test_isnt_parallel( do_rules_for_parallel("build", $rules),
+ "dh -j1 disables implicit parallel under dpkg-buildpackage -j5 $extra_dsc");
+
+ $rules = <<'EOF';
+%:
+ @dh_clean > /dev/null 2>&1
+ @dh -j --buildsystem=makefile --after=dh_auto_configure --until=dh_auto_build $@
+ @dh_clean > /dev/null 2>&1
+EOF
+ test_is_parallel( do_rules_for_parallel("build", $rules),
+ "dh -j under dpkg-buildpackage -j5 is parallel $extra_dsc");
+ $ENV{MAKEFLAGS} = "";
+ test_is_parallel( do_rules_for_parallel("build", $rules),
+ "dh -j is parallel only with DEB_BUILD_OPTIONS=parallel=5 $extra_dsc");
+
+ if (defined $tmpfile) {
+ rename($tmpfile, "debian/rules");
+ }
+ elsif ($debian_rules) {
+ unlink("debian/rules");
+ }
+}
+
+# dh should pass the same tests with and without overrides
+test_dh_parallel();
+test_dh_parallel("(with overrides)", <<'EOF');
+#!/usr/bin/make -f
+override_dh_auto_build:
+ @dh_auto_build -- -f parallel.mk
+EOF
+
+# Test if legacy punctuation hacks (+) work as before
+$ENV{MAKEFLAGS} = "-j5";
+$ENV{DEB_BUILD_OPTIONS} = "parallel=5";
+$tmp = write_debian_rules(<<'EOF');
+#!/usr/bin/make -f
+%:
+ @dh_clean > /dev/null 2>&1
+ @+dh --buildsystem=makefile --after=dh_auto_configure --until=dh_auto_build $@
+ @dh_clean > /dev/null 2>&1
+EOF
+test_is_parallel( do_rules_for_parallel("build", "include debian/rules"),
+ "legacy punctuation hacks: +dh, no override" );
+unlink "debian/rules";
+
+write_debian_rules(<<'EOF');
+#!/usr/bin/make -f
+override_dh_auto_build:
+ dh_auto_build
+%:
+ @dh_clean > /dev/null 2>&1
+ @+dh --buildsystem=makefile --after=dh_auto_configure --until=dh_auto_build $@
+ @dh_clean > /dev/null 2>&1
+EOF
+test_isnt_parallel( do_rules_for_parallel("build", "include debian/rules"),
+ "legacy punctuation hacks: +dh, override without +, no parallel, no make warnings" );
+unlink "debian/rules";
+
+write_debian_rules(<<'EOF');
+#!/usr/bin/make -f
+override_dh_auto_build:
+ +dh_auto_build
+%:
+ @dh_clean > /dev/null 2>&1
+ @+dh --buildsystem=makefile --after=dh_auto_configure --until=dh_auto_build $@
+ @dh_clean > /dev/null 2>&1
+EOF
+test_is_parallel( do_rules_for_parallel("build", "include debian/rules"),
+ "legacy punctuation hacks: +dh, override with +" );
+unlink "debian/rules";
+
+write_debian_rules(<<'EOF');
+#!/usr/bin/make -f
+override_dh_auto_build:
+ $(MAKE)
+%:
+ @dh_clean > /dev/null 2>&1
+ @+dh --buildsystem=makefile --after=dh_auto_configure --until=dh_auto_build $@
+ @dh_clean > /dev/null 2>&1
+EOF
+test_is_parallel( do_rules_for_parallel("build", "include debian/rules"),
+ "legacy punctuation hacks: +dh, override with \$(MAKE)" );
+unlink "debian/rules";
+
+if (defined $tmp) {
+ rename($tmp, "debian/rules");
+}
+else {
+ unlink("debian/rules");
+}
+
+# Clean up after parallel testing
+END {
+ system("rm", "-f", "Makefile");
+}
+$ENV{MAKEFLAGS} = $tmp[0] if defined $tmp[0];
+$ENV{DEB_BUILD_OPTIONS} = $tmp[1] if defined $tmp[1];
+
END {
system("rm", "-rf", $tmpdir);
system("$TOPDIR/dh_clean");