-#!/bin/sh
+#!/usr/bin/perl -w
-set -e
+use strict;
-chmod +x rts/gmp/configure
-chmod +x darcs-all
+use Cwd;
+use File::Path 'rmtree';
+use File::Basename;
-./darcs-all ${1+"$@"} get
+my %required_tag;
+my $validate;
+my $curdir;
-autoreconf
+$required_tag{"-"} = 1;
+$validate = 0;
-for lib in libraries/*; do
- if test -e $lib/configure.ac
- then
- cd $lib
- autoreconf
- cd ../..
- fi
-done
+$curdir = &cwd()
+ or die "Can't find current directory: $!";
+
+while ($#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";
+ }
+}
+
+sub sanity_check_line_endings {
+ 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;
+ }
+}
+
+sub sanity_check_tree {
+ my $tag;
+ my $dir;
+
+ # Check that we have all boot packages.
+ open PACKAGES, "< packages";
+ while (<PACKAGES>) {
+ if (/^#/) {
+ # Comment; do nothing
+ }
+ elsif (/^([a-zA-Z0-9\/.-]+) +([^ ]+) +[^ ]+ +[^ ]+ +[^ ]+$/) {
+ $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;
+}
+
+# Create libraries/*/{ghc.mk,GNUmakefile}
+sub boot_pkgs {
+ my @library_dirs = ();
+ my @tarballs = glob("libraries/tarballs/*");
+
+ my $tarball;
+ my $package;
+ my $stamp;
+
+ for $tarball (@tarballs) {
+ $package = $tarball;
+ $package =~ s#^libraries/tarballs/##;
+ $package =~ s/-[0-9.]*(-snapshot)?\.tar\.gz$//;
+
+ # Sanity check, so we don't rmtree the wrong thing below
+ if (($package eq "") || ($package =~ m#[/.\\]#)) {
+ die "Bad package name: $package";
+ }
+
+ if (-d "libraries/$package/_darcs") {
+ print "Ignoring libraries/$package as it looks like a darcs checkout\n"
+ }
+ elsif (-d "libraries/$package/.git") {
+ print "Ignoring libraries/$package as it looks like a git checkout\n"
+ }
+ else {
+ if (! -d "libraries/stamp") {
+ mkdir "libraries/stamp";
+ }
+ $stamp = "libraries/stamp/$package";
+ if ((! -d "libraries/$package") || (! -f "$stamp")
+ || ((-M "libraries/stamp/$package") > (-M $tarball))) {
+ print "Unpacking $package\n";
+ if (-d "libraries/$package") {
+ &rmtree("libraries/$package")
+ or die "Can't remove libraries/$package: $!";
+ }
+ mkdir "libraries/$package"
+ or die "Can't create libraries/$package: $!";
+ system ("sh", "-c", "cd 'libraries/$package' && { cat ../../$tarball | gzip -d | tar xf - ; } && mv */* .") == 0
+ or die "Failed to unpack $package";
+ open STAMP, "> $stamp"
+ or die "Failed to open stamp file: $!";
+ close STAMP
+ or die "Failed to close stamp file: $!";
+ }
+ }
+ }
+
+ for $package (glob "libraries/*/") {
+ $package =~ s/\/$//;
+ my $pkgs = "$package/ghc-packages";
+ if (-f $pkgs) {
+ open PKGS, "< $pkgs"
+ or die "Failed to open $pkgs: $!";
+ while (<PKGS>) {
+ chomp;
+ s/\r//g;
+ if (/.+/) {
+ push @library_dirs, "$package/$_";
+ }
+ }
+ }
+ else {
+ push @library_dirs, $package;
+ }
+ }
+
+ for $package (@library_dirs) {
+ my $dir = &basename($package);
+ my @cabals = glob("$package/*.cabal");
+ if ($#cabals > 0) {
+ die "Too many .cabal file in $package\n";
+ }
+ if ($#cabals eq 0) {
+ my $cabal = $cabals[0];
+ my $pkg;
+ my $top;
+ if (-f $cabal) {
+ $pkg = $cabal;
+ $pkg =~ s#.*/##;
+ $pkg =~ s/\.cabal$//;
+ $top = $package;
+ $top =~ s#[^/]+#..#g;
+ $dir = $package;
+ $dir =~ s#^libraries/##g;
+
+ print "Creating $package/ghc.mk\n";
+ open GHCMK, "> $package/ghc.mk"
+ or die "Opening $package/ghc.mk failed: $!";
+ print GHCMK "${package}_PACKAGE = ${pkg}\n";
+ print GHCMK "${package}_dist-install_GROUP = libraries\n";
+ print GHCMK "\$(eval \$(call build-package,${package},dist-install,\$(if \$(filter ${dir},\$(STAGE2_PACKAGES)),2,1)))\n";
+ close GHCMK
+ or die "Closing $package/ghc.mk failed: $!";
+
+ print "Creating $package/GNUmakefile\n";
+ open GNUMAKEFILE, "> $package/GNUmakefile"
+ or die "Opening $package/GNUmakefile failed: $!";
+ print GNUMAKEFILE "dir = ${package}\n";
+ print GNUMAKEFILE "TOP = ${top}\n";
+ print GNUMAKEFILE "include \$(TOP)/mk/sub-makefile.mk\n";
+ print GNUMAKEFILE "FAST_MAKE_OPTS += stage=0\n";
+ close GNUMAKEFILE
+ or die "Closing $package/GNUmakefile failed: $!";
+ }
+ }
+ }
+}
+
+# autoreconf everything that needs it.
+sub autoreconf {
+ my $dir;
+
+ 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: $!";
+ }
+ }
+}
+
+sub checkBuildMk {
+ if ($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
+ }
+}
+
+&sanity_check_line_endings();
+&sanity_check_tree();
+&boot_pkgs();
+&autoreconf();
+&checkBuildMk();