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### SPAR <http://www.cpan.org/scripts/>
### 1 755 1067749983 1210350510 is_relevant.pl
is_windows < 1 # ActiveState doesn't separate STDOUTs and stumbles over mpp -j
### 10 755 1067451877 1184533865 makepp_test_script.pl
# This is a test of parallel make. In order to test that make is actually
# executing jobs in parallel, we rely on timing to synchronize jobs, which
# isn't 100% reliable.
#
# This script is designed to be run with -j 2, so we know that at most 2
# jobs are running.
eval { makepp '-kj2' } and die;
1;
### 55 644 1164352976 1184534747 Makeppfile
perl {
unlink 'b', 'c';
sub c_waitfor {
my $hires = eval { require Time::HiRes };
while( ! (stat $_[0])[7] ) {
if( $hires ) {
Time::HiRes::sleep( .1 );
} else {
select undef, undef, undef, .1;
}
}
}
}
$(phony all): a z
a: b c
&cat $^ -o $@
#
# Commands to execute b and c should run in parallel, but commands to execute
# a should wait for them. The final contents of b and c will differ depending
# on whether the build commands were executed in parallel or in serial.
# This is because we've lied to makepp about which files are modified.
#
b:
@&echo building b
&echo b -o>>b
&waitfor c
@&echo b is modifying c
&echo b -o>>c
c:
@&echo building c
&echo c -o>>c
&waitfor b
@&echo c is modifying b
&echo c -o>>b
# Before 07-07-15 two files were enough to make this fail, as long as the 2nd
# dependency succeeded. The order of execution being somewhat random, lets
# have 6 deps, just to be sure. Failure meant trying to build z, despite
# failed deps.
y z: $( u v w x y z).out
&echo Must not get here -o y
&cat $(inputs) -o z
%.out: %.in
&cp -l $(input) $(output)
v.out x.out: %.out: %.in
&expr 0
### 0 644 1184533342 1184533342 u.in
### 0 644 1184533342 1184533342 v.in
### 0 644 1184533342 1184533342 w.in
### 0 644 1184533342 1184533342 x.in
### 0 644 1184533342 1184533342 y.in
### 0 644 1184533342 1184533342 z.in
### D 755 1067451877 971218421 answers
### 4 644 1067451877 971218395 answers/a
b
c
c
b
### 2 644 1067451877 971218393 answers/b
b
c
### 2 644 1067451877 971218393 answers/c
c
b
### 1 644 1067451877 1190051786 answers/n_files
7 0 2
|
