On Tue, Nov 13, 2018 at 10:06:39AM +0000, Mark Eggleston wrote: > I've applied this patch and tried it out. > > The following fail to compile:
That is IMHO correct, it fails to compile with ifort as well: https://fortran.godbolt.org/z/Aav6dv The problem is in mixing quotes, " vs. ' If I fix that, it works (changed the testcases to use the include file I had in the patch): ! { dg-do compile } ! { dg-options "-fdec" } subroutine quux implicit none include & &'include_10.inc' i = 1 end subroutine quux subroutine quuz implicit none include & &"include_10.inc" i = 1 end subroutine quuz c { dg-do compile } c { dg-options "-fdec-include" } subroutine quuz implicit none integer include include +"include_10.inc" i = 1 include + = 2 write (*,*) include end subroutine quuz subroutine corge implicit none include +'include_10.inc' i = 1 end subroutine corge both compile. I can include these snippets into the testcases. > Is there any particular reason that include line continuation is isolated in > -fdec-include? Is there a specific restriction regarding include lines in > the Fortran standard such that continuations in free form and fixed form > can't be used with include lines? My reading of the Fortran standard says it is invalid, but I am not a good Fortran language lawyer, so I'm open to be convinced otherwise. The two bullets that I think say it are: "An INCLUDE line is not a Fortran statement." and "An INCLUDE line shall appear on a single source line where a statement may appear; it shall be the only nonblank text on this line other than an optional trailing comment. Thus, a statement label is not allowed." If there are continuations, it is not a single source line anymore, I don't see anywhere a word that all the continuations together with the initial source line are considered a single source line for the purposes of the rest of the standard. And in the DEC manual, it explicitly says that INCLUDE is a statement and that it can be continued. Jakub
