Can CPP preprocessing statement in Fortran be indented?

Question

I am fairly new to use Fortran preprocessing statement and have a question which is probably pretty native. Can Fortran preprocessing statement be indented? I tested using G

Answer 1

you could use the C preprocessor to do the processing and then compile the processed file, i.e., assuming that your program is in main.f90, then something like:

cpp -nostdinc -C -P -w main.f90 > _main.f90
gfortran -o main _main.f90

In this connection, this question is quite useful: Indenting #defines