X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=INSTALL;h=57a240626e58db146b5df00bd81a542e62c41176;hb=46e600604ce244fa5c844663f341067899dfc20a;hp=99ceeb36937e5c1e80c78eebc4d434957d22121c;hpb=15da5b5fbc23b3a6d95a840f4ca1f5e6bfdab99f;p=lyx.git

diff --git a/INSTALL b/INSTALL
index 99ceeb3693..57a240626e 100644
--- a/INSTALL
+++ b/INSTALL
@@ -55,6 +55,11 @@ developers to request a version for your system.  You can get it from
 In addition, you must have libXpm version 4.7 (or newer; 4.8 rumoured
 to work).
 
+To use the thesaurus, you will need to install libAikSaurus, available
+from :
+
+    http://aiken.clan11.com/aiksaurus/ 
+ 
 You will also probably need GNU m4 (perhaps installed as gm4).
  
 libXpm can be found at:
@@ -133,6 +138,13 @@ flags:
     You can use this feature to install more than one version of LyX on
     the same system. You can optionally specify a "version" of your own,
     by doing something like : ./configure --with-version-suffix=-latestcvs
+
+  o --enable-optimization=VALUE enables you to set optimization to a
+    higher level as the default (-O), for example --enable-optimization=-O3.
+
+  o --disable-optimization - you can use this to disable compiler
+    optimization of LyX. The compile may be much quicker with some
+    compilers, but LyX will run more slowly. 
  
 There are also flags to control the internationalization support in
 LyX:
@@ -190,8 +202,8 @@ this file.
 In particular, the following options could be useful in some
 desperate cases:
 
-  o --with-warnings that make the compiler output more warnings during
-    the compilation of LyX.  Opposite is --without-warnings.  By default,
+  o --enable-warnings that make the compiler output more warnings during
+    the compilation of LyX.  Opposite is --disable-warnings.  By default,
     this flag is on for development versions only.
 
   o --enable-assertions that make the compilier generater run-time