-#! /bin/sh
-set -e
+#!/usr/bin/perl -w
+
+use strict;
+
+use Cwd;
+
+my %required_tag;
+my $validate;
+
+$required_tag{"-"} = 1;
+$validate = 0;
+
+while ($#ARGV ne -1) {
+ my $arg = shift @ARGV;
+
+ if ($arg =~ /^--required-tag=(.*)/) {
+ $required_tag{$1} = 1;
+ }
+ elsif ($arg =~ /^--validate$/) {
+ $validate = 1;
+ }
+ else {
+ die "Bad arg: $arg";
+ }
+}
+
+{
+ local $/ = undef;
+ open FILE, "packages" or die "Couldn't open file: $!";
+ binmode FILE;
+ my $string = <FILE>;
+ close FILE;
+
+ if ($string =~ /\r/) {
+ print STDERR <<EOF;
+Found ^M in packages.
+Perhaps you need to run
+ git config --global core.autocrlf false
+and re-check out the tree?
+EOF
+ exit 1;
+ }
+}
+
+# Create libraries/*/{ghc.mk,GNUmakefile}
+system("/usr/bin/perl", "-w", "boot-pkgs") == 0
+ or die "Running boot-pkgs failed: $?";
+
+my $tag;
+my $dir;
+my $curdir;
+
+$curdir = &cwd()
+ or die "Can't find current directory: $!";
# Check that we have all boot packages.
-for dir in `cat libraries/boot-packages`
-do
- if test ! -d libraries/$dir
- then
- echo "Looks like you're missing libraries/$dir." >&2
- echo "Maybe you haven't done './darcs-all get'?" >&2
- exit 1
- fi
-done
+open PACKAGES, "< packages";
+while (<PACKAGES>) {
+ if (/^#/) {
+ # Comment; do nothing
+ }
+ elsif (/^([a-zA-Z0-9\/.-]+) +([^ ]+) +[^ ]+ +[^ ]+ +[^ ]+$/) {
+ $dir = $1;
+ $tag = $2;
+
+ # If $tag is not "-" then it is an optional repository, so its
+ # absence isn't an error.
+ if (defined($required_tag{$tag})) {
+ # We would like to just check for a .git directory here,
+ # but in an lndir tree we avoid making .git directories,
+ # so it doesn't exist. We therefore require that every repo
+ # has a LICENSE file instead.
+ if (! -f "$dir/LICENSE") {
+ print STDERR "Error: $dir/LICENSE doesn't exist.\n";
+ die "Maybe you haven't done './sync-all get'?";
+ }
+ }
+ }
+ else {
+ die "Bad line in packages file: $_";
+ }
+}
+close PACKAGES;
# autoreconf everything that needs it.
-for dir in . libraries/*
-do
- if test -f $dir/configure.ac
- then
- echo "Booting $dir"
- ( cd $dir && autoreconf )
- fi
-done
-
-# Alas, darcs doesn't handle file permissions, so fix a few of them.
-for f in boot darcs-all push-all validate
-do
- test -f $f && chmod +x $f
-done
+foreach $dir (".", glob("libraries/*/")) {
+ if (-f "$dir/configure.ac") {
+ print "Booting $dir\n";
+ chdir $dir or die "can't change to $dir: $!";
+ system("autoreconf") == 0
+ or die "Running autoreconf failed with exitcode $?";
+ chdir $curdir or die "can't change to $curdir: $!";
+ }
+}
+
+if ($validate eq 0 && ! -f "mk/build.mk") {
+ print <<EOF;
+
+WARNING: You don't have a mk/build.mk file.
+
+By default a standard GHC build will be done, which uses optimisation
+and builds the profiling libraries. This will take a long time, so may
+not be what you want if you are developing GHC or the libraries, rather
+than simply building it to use it.
+
+For information on creating a mk/build.mk file, please see:
+ http://hackage.haskell.org/trac/ghc/wiki/Building/Using#Buildconfiguration
+
+EOF
+}