-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
- if test -f $f
- then
- chmod +x $f
- fi
-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
+}
+