Ensure INSTALL is packaged.

[cdecl99.git] / bootstrap

diff --git a/bootstrap b/bootstrap
index 460094faeb31f30c414193311508dfc0ba666481..5023d833c0f4e1140ca15afb96f008cf620ccfc5 100755 (executable)
--- a/bootstrap
+++ b/bootstrap
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright © 2011-2012 Nick Bowler
+# Copyright © 2011-2012, 2021 Nick Bowler
 #
 # Simple script to get started from a fresh git checkout.
 #
@@ -11,7 +11,7 @@
 scriptname=$0
 
 err() {
-       printf '%s: %s\n' "$scriptname" "$@" 1>&2
+       printf '%s: %s\n' "$scriptname" "$*" 1>&2
 }
 
 die() {
@@ -20,6 +20,7 @@ die() {
 }
 
 : ${AUTORECONF=autoreconf}
+: ${AUTOMAKE=automake}
 : ${GNULIB=gnulib}
 : ${GIT=git}
 : ${PERL=perl}
@@ -29,7 +30,19 @@ $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 \
@@ -38,4 +51,9 @@ $PERL common/scripts/fix-gnulib.pl -o lib/gnulib.mk -i lib/gnulib.mk.in \
 # Punt some automake-generated files so that Gentoo's wrapper script doesn't
 # try to detect the automake version in use.
 rm -f Makefile.in aclocal.m4
-$AUTORECONF -fis
+$AUTORECONF -fis || exit
+
+amdir=`$AUTOMAKE --print-libdir`
+if test -f "$amdir/INSTALL"; then
+  ln -sf "$amdir/INSTALL" INSTALL
+fi