Update the build instructions

INSTALL

@@ -32,22 +32,22 @@ Note that the OS-specific instructions may contain hints on how to install them
    --> Used for saving/loading games
    You can use any XML back-end supported by Arabica (like expat, or libxml2)
 
- - libconfig (optional): http://www.hyperrealm.com/libconfig/
+ - libconfig++ (optional): http://www.hyperrealm.com/libconfig/
    --> Used for saving/loading preferences
 
- - Qt (optional, but recommended): http://qt.nokia.com/
+ - Qt (optional, but strongly recommended): http://qt.nokia.com/
    --> Used for the graphical interface (see below)
 
  - libncursesw (optional): http://www.gnu.org/software/ncurses/
    --> Used for the ncurses interface (see below)
 
 There are in fact several interfaces to Eliot:
- - one in text mode: mostly useful to debug Eliot
- - one using the ncursesw library: nice and almost complete, but not really
-   graphical
  - a Qt interface: the best interface to use, it supports all the features.
    This one is enabled by default if Qt development files are detected, but
    you can force it with --enable-qt
+ - one in text mode: mostly useful to debug Eliot
+ - one using the ncursesw library: nice and almost complete, but not really
+   graphical
 
 These interfaces can be enabled or disabled at configuration time. Example:
     ./configure --disable-text --enable-ncurses --enable-qt
@@ -57,17 +57,24 @@ These interfaces can be enabled or disabled at configuration time. Example:
 2) Linux/Unix build
 ===================
 
+* Install the dependencies
 On Debian-based systems (like Ubuntu), the following command should install
 the needed dependencies (you may need to adjust the version numbers):
+    sudo apt-get install libboost-dev libqt4-dev libconfig++-dev libncursesw5-dev libexpat-dev
+On RPM-based systems, the command should be the following (as root):
+    yum install boost-devel qt-devel expat-devel libconfig-devel
 
-    sudo apt-get install libboost-dev libqt4-core libqt4-gui libconfig++8-dev libncursesw5-dev
+* Download and build libarabica (unless it is packaged for your distribution):
+    a) Download the latest release (see link above) and extract the archive
+    b) Build with the following line:
+       ./configure --enable-static --disable-shared --with-parser=expat && make
+    c) Install it, as root:
+       make install
 
-In addition, you need to download and build libarabica (this is straight-forward).
+* Build Eliot, with the following command:
-
-To build Eliot, you only have to run the following command:
     ./configure && make
 
-Then, as root:
+* Install it, as root:
     make install
 
 
@@ -102,12 +109,11 @@ Here are the steps for the cross-compilation:
     - configure with the following command:
             export INST=`pwd`/extras/contrib/inst && \
             PKG_CONFIG_PATH="${INST}/lib/pkgconfig:${PKG_CONFIG_PATH}" \
-            CPPFLAGS=-I${INST}/include LDFLAGS=-L${INST}/lib \
+            CPPFLAGS=-I${INST}/include LDFLAGS=-L${INST}/lib CXX=i586-mingw32msvc-g++ \
-            CC=i586-mingw32msvc-gcc CXX=i586-mingw32msvc-g++ \
             ./configure --host=i586-mingw32msvc --build=i386-linux \
             --with-boost=${INST} --with-expat=${INST}
 
-    - to compile, run 'make', possibly followed with 'make install'
+    - to compile, run 'make'
 
     - run 'make package-win32-zip' to get everything packed up in a nice .zip
 
@@ -128,9 +134,6 @@ Here are the steps for the cross-compilation:
     LIBS="-lxml2" \
     ./configure --enable-qt --disable-text
 
-* You may need to remove the moc files manually:
-    rm qt/*.moc.cpp
-
 * To compile, run 'make'
 
 * Then, to get a ready to use .dmg file, run 'make package-macosx-dmg'