[at-spi2-core] Update INSTALL

[Mike Gorse <mgorse src gnome org>]

commit 8720a0363aaca22720d5f7b2c65591d845fe7198
Author: Mike Gorse <mgorse alum wpi edu>
Date:   Wed Aug 28 13:52:08 2019 -0500

    Update INSTALL
    
    Fixes https://gitlab.gnome.org/GNOME/at-spi2-core/issues/1

 INSTALL | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)
---
diff --git a/INSTALL b/INSTALL
index 54c3246..c9d569f 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,26 +1,26 @@
 Install procedure
 -----------------
 
-        % gzip -cd at-spi-core-2.0.0.tar.gz | tar xvf -  # unpack the sources
-        % cd at-spi-core-2.0.0                           # change to the toplevel directory
-        % ./configure                                    # run the `configure' script
-        % make                                           # build at-spi-core
+tar -xJf at-spi2-core-2.34.0.tar.xz                      # unpack the sources
+        % cd at-spi2-core-2.34.0                         # change to the toplevel directory
+mkdir build                                              # create a build directory
+meson ..                                                 # configure
+ninja                                                    # build at-spi2-core
 
         [ Become root if necessary ]
-        % make install                                   # install at-spi-core
+ninja install                                            # install at-spi2-core
 
 Requirements
 ------------
 
-        GNU make
-        GNU autotools
-
-        pkg-config
+Packages with local machine architecture:
+meson
+ninja
+pkg-config
+gobject-introspection
+gtk-doc (for generation of documentation)
 
+Packages with target architecture:
         glib
-
         dbus
-        dbus-glib
-
-        X
-        XEVIE (Reccomended)
+libX11, libXtst, libXi (for X11 support)