Current File : //glibc-2.29/build/make-4.2.1/tests/scripts/features/jobserver
# -*-perl-*-
$description = "Test jobserver.";
$details = "These tests are ones that specifically are different when the
jobserver feature is available. Most -j tests are the same whether or not
jobserver is available, and those appear in the 'parallelism' test suite.";
exists $FEATURES{'jobserver'} or return -1;
if (!$parallel_jobs) {
return -1;
}
# Shorthand
my $np = '--no-print-directory';
# Simple test of MAKEFLAGS settings
run_make_test(q!
SHOW = $(patsubst --jobserver-auth=%,--jobserver-auth=<auth>,$(MAKEFLAGS))
recurse: ; @echo $@: "/$(SHOW)/"; $(MAKE) -f #MAKEFILE# all
all:;@echo $@: "/$(SHOW)/"
!,
"-j2 $np", "recurse: /-j2 --jobserver-auth=<auth> $np/\nall: /-j2 --jobserver-auth=<auth> $np/\n");
# Setting parallelism with the environment
# Command line should take precedence over the environment
$extraENV{MAKEFLAGS} = "-j2 $np";
run_make_test(q!
SHOW = $(patsubst --jobserver-auth=%,--jobserver-auth=<auth>,$(MAKEFLAGS))
recurse: ; @echo $@: "/$(SHOW)/"; $(MAKE) -f #MAKEFILE# all
all:;@echo $@: "/$(SHOW)/"
!,
'', "recurse: /-j2 --jobserver-auth=<auth> $np/\nall: /-j2 --jobserver-auth=<auth> $np/\n");
delete $extraENV{MAKEFLAGS};
# Test override of -jN
$extraENV{MAKEFLAGS} = "-j9 $np";
run_make_test(q!
SHOW = $(patsubst --jobserver-auth=%,--jobserver-auth=<auth>,$(MAKEFLAGS))
recurse: ; @echo $@: "/$(SHOW)/"; $(MAKE) -j3 -f #MAKEFILE# recurse2
recurse2: ; @echo $@: "/$(SHOW)/"; $(MAKE) -f #MAKEFILE# all
all:;@echo $@: "/$(SHOW)/"
!,
"-j2 $np", "recurse: /-j2 --jobserver-auth=<auth> $np/\n#MAKE#[1]: warning: -jN forced in submake: disabling jobserver mode.\nrecurse2: /-j3 --jobserver-auth=<auth> $np/\nall: /-j3 --jobserver-auth=<auth> $np/\n");
delete $extraENV{MAKEFLAGS};
# Test override of -jN with -j
run_make_test(q!
SHOW = $(patsubst --jobserver-auth=%,--jobserver-auth=<auth>,$(MAKEFLAGS))
recurse: ; @echo $@: "/$(SHOW)/"; $(MAKE) -j -f #MAKEFILE# recurse2
recurse2: ; @echo $@: "/$(SHOW)/"; $(MAKE) -f #MAKEFILE# all
all:;@echo $@: "/$(SHOW)/"
!,
"-j2 $np", "recurse: /-j2 --jobserver-auth=<auth> $np/\n#MAKE#[1]: warning: -jN forced in submake: disabling jobserver mode.\nrecurse2: /-j $np/\nall: /-j $np/\n");
# Don't put --jobserver-auth into a re-exec'd MAKEFLAGS.
# We can't test this directly because there's no way a makefile can
# show the value of MAKEFLAGS we were re-exec'd with. We can intuit it
# by looking for "disabling jobserver mode" warnings; we should only
# get one from the original invocation and none from the re-exec.
# See Savannah bug #18124
unlink('inc.mk');
run_make_test(q!
-include inc.mk
recur:
# @echo 'MAKEFLAGS = $(MAKEFLAGS)'
@rm -f inc.mk
@$(MAKE) -j2 -f #MAKEFILE# all
all:
# @echo 'MAKEFLAGS = $(MAKEFLAGS)'
@echo $@
inc.mk:
# @echo 'MAKEFLAGS = $(MAKEFLAGS)'
@echo 'FOO = bar' > $@
!,
"$np -j2", "#MAKE#[1]: warning: -jN forced in submake: disabling jobserver mode.\nall\n");
unlink('inc.mk');
# Test recursion when make doesn't think it exists.
# See Savannah bug #39934
# Or Red Hat bug https://bugzilla.redhat.com/show_bug.cgi?id=885474
open(MAKEFILE,"> Makefile2");
print MAKEFILE '
vpath %.c ../
foo:
';
close(MAKEFILE);
run_make_test(q!
default: ; @ #MAKEPATH# -f Makefile2
!,
"-j2 $np",
"#MAKE#[1]: warning: jobserver unavailable: using -j1. Add '+' to parent make rule.
#MAKE#[1]: Nothing to be done for 'foo'.");
rmfiles('Makefile2');
1;
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