-#!/usr/bin/perl -w
+#!/usr/bin/env perl
+use warnings;
use strict;
use Cwd;
+use File::Path 'rmtree';
+use File::Basename;
my %required_tag;
+my $validate;
+my $curdir;
+
+# See Trac #11530
+$ENV{GREP_OPTIONS} = '';
$required_tag{"-"} = 1;
+$validate = 0;
+
+$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";
}
}
-# Create libraries/*/{ghc.mk,GNUmakefile}
-system("/usr/bin/perl", "-w", "boot-pkgs") == 0
- or die "Running boot-pkgs failed: $?";
+sub sanity_check_line_endings {
+ local $/ = undef;
+ open FILE, "packages" or die "Couldn't open file: $!";
+ binmode FILE;
+ my $string = <FILE>;
+ close FILE;
-my $tag;
-my $dir;
-my $curdir;
+ if ($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;
+ }
+}
-$curdir = &cwd()
- or die "Can't find current directory: $!";
+sub sanity_check_tree {
+ my $tag;
+ my $dir;
+
+ if (-d ".git" &&
+ system("git config remote.origin.url | grep github.com > /dev/null") == 0 &&
+ system("git config --get-regexp '^url.*github.com/.*/packages-.insteadOf' > /dev/null") != 0) {
+ # If we cloned from github, make sure the url rewrites are set.
+ # Otherwise 'git submodule update --init' prints confusing errors.
+ die <<EOF;
+It seems you cloned this repository from GitHub. But your git config files
+don't contain the url rewrites that are needed to make this work (GitHub
+doesn't support '/' in repository names, so we use a different naming scheme
+for the submodule repositories there).
-# Check that we have all boot packages.
-open PACKAGES, "< packages";
-while (<PACKAGES>) {
- if (/^#/) {
- # Comment; do nothing
+Please run the following commands first:
+
+ git config --global url."git://github.com/ghc/packages-".insteadOf git://github.com/ghc/packages/
+ git config --global url."http://github.com/ghc/packages-".insteadOf http://github.com/ghc/packages/
+ git config --global url."https://github.com/ghc/packages-".insteadOf https://github.com/ghc/packages/
+ git config --global url."ssh://git\@github.com/ghc/packages-".insteadOf ssh://git\@github.com/ghc/packages/
+ git config --global url."git\@github.com:/ghc/packages-".insteadOf git\@github.com:/ghc/packages/
+
+And then:
+
+ git submodule update --init
+ ./boot
+
+Or start over, and clone the GHC repository from the haskell server:
+
+ git clone --recursive git://git.haskell.org/ghc.git
+
+For more information, see:
+ * https://ghc.haskell.org/trac/ghc/wiki/Newcomers or
+ * https://ghc.haskell.org/trac/ghc/wiki/Building/GettingTheSources#CloningfromGitHub
+EOF
}
- elsif (/^([a-zA-Z0-9\/.-]+) +([^ ]+) +[^ ]+ +[^ ]+ +[^ ]+$/) {
- $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{$tag})) {
- # We would like to just check for an _darcs directory here,
- # but in an lndir tree we avoid making _darcs directories,
- # so it doesn't exist. We therefore require that every repo
- # has a LICENSE file instead.
- if (! -f "$dir/LICENSE") {
- print STDERR "Error: $dir/LICENSE doesn't exist.\n";
- die "Maybe you haven't done './darcs-all get'?";
+
+ # Check that we have all boot packages.
+ open PACKAGES, "< packages";
+ while (<PACKAGES>) {
+ if (/^#/) {
+ # Comment; do nothing
+ }
+ elsif (/^([a-zA-Z0-9\/.-]+) +([^ ]+) +[^ ]+ +[^ ]+$/) {
+ $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 'git submodule update --init'?";
+ }
}
}
+ else {
+ die "Bad line in packages file: $_";
+ }
}
- else {
- die "Bad line in packages file: $_";
+ close PACKAGES;
+}
+
+# Create libraries/*/{ghc.mk,GNUmakefile}
+sub boot_pkgs {
+ my @library_dirs = ();
+
+ my $package;
+
+ 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("$package/*.cabal.in");
+ if ($#cabals < 0) {
+ @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#.*/##;
+ $pkg =~ s/\.cabal.in$//;
+ $pkg =~ s/\.cabal$//;
+ $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 "\$(if \$(filter ${dir},\$(PACKAGES_STAGE0)),\$(eval \$(call build-package,${package},dist-boot,0)))\n";
+ print GHCMK "\$(if \$(filter ${dir},\$(PACKAGES_STAGE1)),\$(eval \$(call build-package,${package},dist-install,1)))\n";
+ print GHCMK "\$(if \$(filter ${dir},\$(PACKAGES_STAGE2)),\$(eval \$(call build-package,${package},dist-install,2)))\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: $!";
+ }
+ }
}
}
-close PACKAGES;
# autoreconf everything that needs it.
-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 autoreconf {
+ my $dir;
+ my $fail;
+
+ foreach $dir (".", glob("libraries/*/")) {
+ if (-f "$dir/configure.ac") {
+ next if (my $pid = fork);
+ die "fork failed: $!" if (! defined $pid);
+ print "Booting $dir\n";
+ chdir $dir or die "can't change to $dir: $!";
+ exec("autoreconf");
+ exit 1;
+ }
}
+
+ # Wait for all child processes to finish.
+ while (wait() != -1) {
+ $fail = 1 if $?;
+ }
+
+ die "Running autoreconf failed" if $fail;
}
-# Alas, darcs doesn't handle file permissions, so fix a few of them.
-for my $file ("boot", "darcs-all", "validate") {
- if (-f $file) {
- chmod 0755, $file
- or die "Can't chmod 0755 $file: $!";
+sub checkBuildMk {
+ if ($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://ghc.haskell.org/trac/ghc/wiki/Building/Using#Buildconfiguration
+
+EOF
}
}
+
+&sanity_check_line_endings();
+&sanity_check_tree();
+&boot_pkgs();
+&autoreconf();
+&checkBuildMk();
+