Add a little build system.

This commit is contained in:
Brad Fitzpatrick 2011-01-04 15:04:08 -08:00
parent 3688b24274
commit 176cf7d0aa
3 changed files with 207 additions and 6 deletions

205
build.pl Executable file
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@ -0,0 +1,205 @@
#!/usr/bin/perl
use strict;
use Getopt::Long;
my $opt_list;
my $opt_eachclean;
my $opt_verbose;
GetOptions("list" => \$opt_list,
"eachclean" => \$opt_eachclean,
"verbose" => \$opt_verbose,
) or usage();
sub usage {
die <<EOM
Usage:
build.pl all # build all
build.pl clean # clean all
build.pl REGEXP # builds specific target, if it matches any targets
build.pl --list
build.pl --eachclean # builds each target with a full clean before it
# (for testing that dependencies are correct)
Other options:
--verbose|-v Verbose
EOM
;
}
my %built; # target -> bool (was it already built?)
my %targets; # dir -> { deps => [ ... ], }
read_targets();
if ($opt_list) {
print "Available targets:\n";
foreach my $target (sort keys %targets) {
print " * $target\n";
}
exit;
}
if ($opt_eachclean) {
my $target = shift;
die "--eachclean doesn't take a target\n" if $target;
foreach my $target (sort keys %targets) {
clean();
%built = ();
build($target);
}
exit;
}
my $target = shift or usage();
if ($target eq "clean") {
clean();
exit;
}
if ($target eq "all") {
foreach my $target (sort keys %targets) {
build($target);
}
exit;
}
my @matches = grep { /$target/ } sort keys %targets;
unless (@matches) {
die "No build targets patching pattern /$target/\n";
}
if (@matches > 1) {
die "Build pattern is ambiguous, matches multiple targets:\n * " . join("\n * ", @matches) . "\n";
}
build($matches[0]);
sub v {
return unless $opt_verbose;
my $msg = shift;
chomp $msg;
print STDERR "# $msg\n";
}
sub clean {
for my $root ("$ENV{GOROOT}/pkg/linux_amd64",
"$ENV{GOROOT}/pkg/linux_386") {
for my $pkg ("camli", "crypto/openpgp") {
my $dir = "$root/$pkg";
next unless -d $dir;
system("rm", "-rfv", $dir);
}
}
foreach my $target (sort keys %targets) {
print STDERR "Cleaning $target\n";
system("make", "-C", $target, "clean");
}
}
sub build {
my @history = @_;
my $target = $history[0];
my $already_built = $built{$target} || 0;
v("Building '$target' (already_built=$already_built; via @history)");
return if $already_built;
$built{$target} = 1;
my $t = $targets{$target} or die "Bogus build target: $target\n";
# Dependencies first.
my @deps = @{ $t->{deps} };
if (@deps) {
v("Deps of '$target' are @deps");
foreach my $dep (@deps) {
build($dep, @history);
}
v("built deps for $target, now can build");
}
my @quiet = ("--silent");
@quiet = () if $opt_verbose;
if (system("make", @quiet, "-C", $target, "install") != 0) {
my $chain = "";
if (@history > 1) {
$chain = "(via chain @history)";
}
die "Error building $target $chain\n";
}
v("Built '$target'");
}
sub read_targets {
my $last;
for (<DATA>) {
if (m!^\./(.+)/Makefile\s*$!) {
my $target = $1;
$last = $target;
$targets{$target} ||= { deps => [] };
next;
}
if (m!^\s+\-\s(\S+)\s*$!) {
my $dep = $1;
my $t = $targets{$last} or die "Unexpected dependency line: $_";
push @{$t->{deps}}, $dep;
}
}
#use Data::Dumper;
#print Dumper(\%targets);
}
__DATA__
./server/go/httputil/Makefile
# (no deps)
./server/go/auth/Makefile
# (no deps)
./server/go/webserver/Makefile
# (no deps)
./server/go/blobserver/Makefile
- server/go/httputil
- lib/go/blobref
- server/go/auth
- server/go/webserver
./server/go/sigserver/Makefile
- server/go/webserver
- lib/go/blobref
- server/go/auth
- server/go/httputil
- lib/go/jsonsign
- lib/go/ext/openpgp/packet
- lib/go/ext/openpgp/error
- lib/go/ext/openpgp/armor
./website/Makefile
# (no deps, yet)
./clients/go/camput/Makefile
- lib/go/client
- lib/go/blobref
- lib/go/schema
./clients/go/camget/Makefile
- lib/go/client
- lib/go/blobref
- lib/go/schema
./lib/go/http/Makefile
# (no deps, fork of Go's http library)
./lib/go/ext/openpgp/error/Makefile
# (no deps)
./lib/go/ext/openpgp/packet/Makefile
- lib/go/ext/openpgp/error
./lib/go/ext/openpgp/armor/Makefile
- lib/go/ext/openpgp/error
- lib/go/ext/openpgp/packet
./lib/go/schema/Makefile
- lib/go/blobref
./lib/go/client/Makefile
- lib/go/http
- lib/go/blobref
./lib/go/jsonsign/Makefile
- lib/go/blobref
- lib/go/ext/openpgp/packet
- lib/go/ext/openpgp/armor
- lib/go/ext/openpgp/error
./lib/go/blobref/Makefile
# (on deps)

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#!/bin/sh
make -C lib/go/schema/ install && \
make -C lib/go/client install && \
make -C clients/go/camget/ && \
./build.pl camget && \
clients/go/camget/camget --verbose --blobserver=localhost:3179 --password=foo $@

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@ -1,6 +1,4 @@
#!/bin/sh
make -C lib/go/schema/ install && \
make -C lib/go/client install && \
make -C clients/go/camput/ && \
./build.pl camput && \
clients/go/camput/camput --verbose --blobserver=localhost:3179 --password=foo --file $@