X-Git-Url: https://git.draconx.ca/gitweb/cdecl99.git/blobdiff_plain/4c0777b31ef7ddba6eb0fa4ca62cf5b9423fe1c9..1b9e87d8cac4e24034cb4d8f5c42824bac507772:/bootstrap

diff --git a/bootstrap b/bootstrap
index 170b5c3..5023d83 100755
--- a/bootstrap
+++ b/bootstrap
@@ -1,23 +1,59 @@
 #!/bin/sh
+#
+# Copyright © 2011-2012, 2021 Nick Bowler
+#
+# Simple script to get started from a fresh git checkout.
+#
+# License WTFPL2: Do What The Fuck You Want To Public License, version 2.
+# This is free software: you are free to do what the fuck you want to.
+# There is NO WARRANTY, to the extent permitted by law.
 
-trap 'exit 1' USR1
-die() { printf '%s\n' "$@" 1>&2; kill -USR1 $$; }
+scriptname=$0
+
+err() {
+	printf '%s: %s\n' "$scriptname" "$*" 1>&2
+}
+
+die() {
+	err "$@"
+	exit 1
+}
 
 : ${AUTORECONF=autoreconf}
+: ${AUTOMAKE=automake}
 : ${GNULIB=gnulib}
 : ${GIT=git}
 : ${PERL=perl}
 
-$GIT submodule update --init \
-	|| echo "Failed to update submodules from git."
+$GIT submodule update --init || err "Failed to update submodules from git."
 
 if test -x $GNULIB/gnulib-tool; then
 	$GNULIB/gnulib-tool --update -S || die "Failed to update Gnulib."
 else
-	die "Gnulib sources are not properly installed in gnulib/."
+  err "Gnulib sources are not properly installed in $GNULIB/"
+  cat >&2 <<'EOF'
+
+To bootstrap this package using an external Gnulib, you can set the GNULIB
+environment variable to indicate the location of the Gnulib sources.
+EOF
+
+  test ! -f configure || cat >&2 <<'EOF'
+
+However, it seems this package is already bootstrapped.  It should not
+normally be necessary to run this script from a release tarball.
+EOF
+  exit 1
 fi
 
 $PERL common/scripts/fix-gnulib.pl -o lib/gnulib.mk -i lib/gnulib.mk.in \
 	|| die "Failed to fixup Gnulib makefile fragment."
 
-$AUTORECONF -fis
+# Punt some automake-generated files so that Gentoo's wrapper script doesn't
+# try to detect the automake version in use.
+rm -f Makefile.in aclocal.m4
+$AUTORECONF -fis || exit
+
+amdir=`$AUTOMAKE --print-libdir`
+if test -f "$amdir/INSTALL"; then
+  ln -sf "$amdir/INSTALL" INSTALL
+fi