fix comment

[lyx.git] / INSTALL

diff --git a/INSTALL b/INSTALL
index ec959ff6a82b7b4ff9f54702400352d0ebcb4e50..63c79198b90c6c0bf18d4495d06a57e27be2ff46 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -71,6 +71,10 @@ libraries. See the RELEASE-NOTES for details.
 Users of debian-based distributions are well advised to run
 'apt-get build-dep lyx' before compiling to install proper dependencies.
 
 Users of debian-based distributions are well advised to run
 'apt-get build-dep lyx' before compiling to install proper dependencies.
 

+Python 3.8 (or newer) must be installed. Python is used for many simple
+tasks that are executed by external scripts, such as the automatic
+configuration step and the import of older LyX documents with the
+lyx2lyx script (this script is called automatically when opening a file).

 
 * Other things to note
 
 
 * Other things to note
 


@@ -79,14 +83,7 @@ translations or you change the translation files themselves (po/*.po)
 files, you will need to have the GNU gettext package installed to
 compile LyX with up-to-date translations (at least gettext version
 0.16.1 is needed). You can get the latest version from:
 files, you will need to have the GNU gettext package installed to
 compile LyX with up-to-date translations (at least gettext version
 0.16.1 is needed). You can get the latest version from:

-       ftp://ftp.gnu.org/gnu/gettext/
-
-The two following programs should be available at configuration time:
-
-  o Python (2.7 or 3.5 and newer) must be installed. Python is used for many
-    simple tasks that are executed by external scripts, such as the automatic
-    configuration step and the import of older LyX documents with the lyx2lyx
-    script (this script is called automatically when opening a file).
+       https://ftp.gnu.org/gnu/gettext/

 
 
 Creating the Makefile
 
 
 Creating the Makefile


@@ -107,7 +104,7 @@ flags:
     the settings in terms of various options that are described later
 
                       release   prerelease  development profiling gprof
     the settings in terms of various options that are described later
 
                       release   prerelease  development profiling gprof

-    optimization        -O2         -O2         -O         -O2     -O2
+    optimization        -O2         -O2         -Og        -O2     -O2

     assertions                       X           X
     stdlib-assertions                            X
     stdlib-debug
     assertions                       X           X
     stdlib-assertions                            X
     stdlib-debug


@@ -213,10 +210,11 @@ values):
 
   o --enable-optimization=VALUE enables you to set optimization to a
     higher level than the default, for example --enable-optimization=-O3.
 
   o --enable-optimization=VALUE enables you to set optimization to a
     higher level than the default, for example --enable-optimization=-O3.

+    Default is -Og when debugging is enabled, -O2 otherwise.

 
   o --disable-optimization - you can use this to disable compiler
     optimization of LyX. The compile may be much quicker with some
 
   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.
+    compilers, but LyX will be slower.

 
   o --enable-debug will add debug information to your binary. This
     requires a lot more disk space, but is a must if you want to try
 
   o --enable-debug will add debug information to your binary. This
     requires a lot more disk space, but is a must if you want to try


@@ -285,4 +283,3 @@ variable, you have to compile LyX for one architecture at a time in
 the source code directory.  After you have installed LyX for one
 architecture, use `make distclean' before reconfiguring for another
 architecture.
 the source code directory.  After you have installed LyX for one
 architecture, use `make distclean' before reconfiguring for another
 architecture.

-