[CMake] 1 tricky question, 1 bug report
brad.king at kitware.com
Fri Mar 13 11:51:33 EDT 2009
Bill Hoffman wrote:
>> The following Fortran code cannot be compiled with CMake, because
>> CMake looks for module called "name", which of course, does not exist.
Actually it thinks the source is defining a module called "name".
>> If I replace "Module" with "_Module_" the code compiles.
>> C Line 1 (Output) ; Module name
Use '!' for comments to work around the bug.
> Try CMake 2.6.3, I am pretty sure we fixed the fortran comment module
The issue we fixed is when "USE" appears in a comment, not "MODULE":
If the '!' form of comment is used then the lexer can fully discard
comments because they are comments in both fixed-form and free-form.
(BTW, more fortran compilers support '!' than 'C' ... I had to fix
our test for this to use '!' or it broke on some compilers.)
Actually, I cannot tell from a quick glance at the code how it ignores
'USE' keywords that appear after a ';' separator. It does not ignore
'MODULE' after ';'. Maik?
The full fix is of course to discard 'C'-prefixed comments completely,
but that can only be done in fixed-form sources. Currently our lexer
has code to support fixed-form files but it is never enabled. CMake
does not know whether a source file is fixed-form or free-form. We
may have to create a source file property to specify it, much like
some compilers require a flag. Other suggestions?
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