example:
\verbatim
-### If f2c is installed compiled source other-whise source is only copy in the dist
-if(SMPI_F2C)
+### If fortran is installed compile source other-whise source is only copied in the dist
+if(SMPI_FORTRAN)
set(SMPI_SRC
${SMPI_SRC}
src/smpi/smpi_f77.c