Talk about CFLAGS and CXXFLAGS in doc.

diff --git a/doc/doxygen/install.doc b/doc/doxygen/install.doc
index 63aebcf..b557898 100644 (file)
--- a/doc/doxygen/install.doc
+++ b/doc/doxygen/install.doc
@@ -130,7 +130,7 @@ Note that compile-time options are very different from @ref options
 
 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
 
 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
 compilers by issuing these commands before launching cmake:
 
 @verbatim


@@ -138,6 +138,9 @@ export CC=gcc-4.4
 export CXX=g++-4.4
 @endverbatim
 
 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).
 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).