Replace obsoleted signal

[lyx.git] / INSTALL

diff --git a/INSTALL b/INSTALL
index ad3acf1175a59d885e0630306b78e26d6b57cab8..f26fba6aa9059566d828eee546905487ba9363b2 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -53,7 +53,7 @@ Requirements
 ------------
 
 First of all, you will need a C++11 standard conforming compiler, like gcc (at
-least 4.8) or clang.
+least 4.9) or clang.
 
 LyX makes great use of the C++ Standard Template Library (STL).
 This means that gcc users will have to install the relevant libstdc++
@@ -84,11 +84,10 @@ compile LyX with up-to-date translations (at least gettext version
 
 The two following programs should be available at configuration time:
 
-  o Python 2.7 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). Python 3 (3.3 or later) support is work in progress.
+  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).
 
 
 Creating the Makefile
@@ -208,6 +207,10 @@ The following options allow you to tweak the generated code more
 precisely (see the description of --enable-build-type for the default
 values):
 
+  o --enable-cxx-mode=VALUE can be used to select a C++ standard, for
+    example --enable-cxx-mode=11. The default is to try C++14, and then
+    C++11.
+
   o --enable-optimization=VALUE enables you to set optimization to a
     higher level than the default, for example --enable-optimization=-O3.
 
@@ -215,11 +218,6 @@ values):
     optimization of LyX. The compile may be much quicker with some
     compilers, but LyX will run more slowly.
 
-  o --disable-std-regex forces the compiler to use boost::regex. The
-    default is to use std::regex for known good C++ libraries, but the
-    test is not robust for clang. --enable-std-regex will force the
-    use of std::regex.
-
   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
     to debug problems in LyX. There is no run-time penalty.
@@ -234,13 +232,9 @@ values):
   o --enable-stdlib-debug adds some debug code in the standard
     library; this slows down the code, but has been helpful in the
     past to find bugs. Note that this is in general incompatible with
-    the system boost library (which is used when
-    --without-included-boost is specified). You may have to use
+    the system hunspell library (as of version 1.5). You may have to use
     --disable-stdlib-debug when linking development versions against
-    your system's boost library.
-    The same problem applies to hunspell (as of hunspell 1.5). So either
-    compile --with-included-hunspell or --disable-stdlib-debug when
-    linking development versions against your system's hunspell library.
+    your system's hunspell library.