Revert "Get rid of use of GNU libtool" and its follow-up

The change causes problems for people on various sad distros. Oh well,
whatever.

This reverts commit bd00d9fd0576b8f249d2145d8570bc395d137dc1.
This reverts commit 054a9cdb045a84c0d779ad47cbec0b11f28a4f06.

Change-Id: Ie439e4c655d02b6f34bdd1a9c1c5b6db6048b653

1 files changed, 13 insertions, 9 deletions

diff --git a/ios/README b/ios/README
index 00f03dbd4..be2f1062f 100644
--- a/ios/README
+++ b/ios/README
@@ -44,17 +44,21 @@ where misan.local is the macOS machine where I build the app, and
 Then back to the Mac:
 
 As you were able to build LibreOffice in step 1, you must already have
-GNU autoconf installed on the Mac. Install also GNU automake.
-Preferrably from sources, to make sure a potential installation of
-brew or similar will not pollute your environment with unknown stuff.
+GNU autoconf installed on the Mac. Install also GNU automake and
+libtool. Preferrably from sources, to make sure a potential
+installation of brew or similar will not pollute your environment with
+unknown stuff.
 
-Installing autoconf and automake in the default /usr/local, which is
-in $PATH, is not really risky. (Unlike some other GNUish tools, like
-libtool and pkg-config, which might mess up your LibreOffice build.)
+As GNU libtool will be needed only for a very minimal part of the
+build (running the autogen.sh script, but not anything else), it's
+safest to install it somewhere that is not in your $PATH. Let's say
+/opt/libtool. (Installing Automake in the default /usr/local, which is
+in $PATH, is less risky.)
 
-Run the autogen.sh script in the app folder:
+Run the autogen.sh script in the app folder, with GNU libtool
+available:
 
-./autogen.sh
+PATH=/opt/libtool/bin:$PATH ./autogen.sh
 
 OR:
 
@@ -62,7 +66,7 @@ OR:
 
    Then:
 
-brew install npm
+brew install libtool npm
 ./autogen.sh
 sudo python -m ensurepip --default-pip
 sudo pip install polib lxml