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-rw-r--r--INSTALL8
1 files changed, 7 insertions, 1 deletions
diff --git a/INSTALL b/INSTALL
index 0c56fff6d4a..80223850100 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,5 +1,5 @@
GNU Emacs Installation Guide
-Copyright (C) 1992, 1994, 1996-1997, 2000-2018 Free Software Foundation,
+Copyright (C) 1992, 1994, 1996-1997, 2000-2019 Free Software Foundation,
Inc.
See the end of the file for license conditions.
@@ -318,6 +318,12 @@ features enabled, you can combine --without-all with --with-FEATURE.
For example, you can use --without-all --without-x --with-dbus to
build with D-Bus support and nothing more.
+Use --with-gnutls=ifavailable to use GnuTLS if available but go ahead
+and build without it if not available. This overrides Emacs's default
+behavior of refusing to build if GnuTLS is absent. When X11 support
+is enabled, the libraries for gif, jpeg, png, tiff, and xpm are in the
+same strongly-recommended category as GnuTLS, and have similar options.
+
Use --with-wide-int to implement Emacs values with the type 'long long',
even on hosts where a narrower type would do. With this option, on a
typical 32-bit host, Emacs integers have 62 bits instead of 30.