The default configuration should be ok for most usages, but if you
need to change something, there is several ways to do so. First, you
-can use environment variable. For example, you can change the used
+can use environment variables. For example, you can change the used
compilers by issuing these commands before launching cmake:
@verbatim
export CXX=g++-4.4
@endverbatim
+Note that other variables are available, such as CFLAGS and CXXFLAGS to add
+options for respectively the C compiler and the C++ compiler.
+
Another way to do so is to use the -D argument of cmake as follows.
Note that the terminating dot is mandatory (see @ref
install_cmake_outsrc to understand its meaning).
