Update README.md

Gromacs/README.md

@@ -38,6 +38,8 @@ For the test, we will use a specific release. To download this release, run:
 Compile:
 --------
 
+Gromacs needs cmake (3.9.1 works) and python (2.7) to be compiled and depends on a version of fftw (mkl 18 works)
+
 Information (if needed) about how to compile the application. 
 
 For instance: