[CMake] sigil ($) in add custom command

[J Decker]

foreach( file ${files} )
ADD_CUSTOM_COMMAND(
...
COMMAND cpp -P -CC -DDPI_EXTERN ${file} >>
${FILEEXTERN}.tmp \; done'
)




On Mon, Apr 28, 2014 at 9:05 AM, j s <j.s4403 at gmail.com> wrote:

> Through trial and error, I've found that I can do the following to
> escape a variable in a custom command.
>
> ADD_CUSTOM_COMMAND(
> ...
> COMMAND bash -c 'for i in ${FILES}\; do cpp -P -CC -DDPI_EXTERN $$i >>
> ${FILEEXTERN}.tmp \; done'
>
> ...
> )
>
>
> Is this the proper way to escape a variable that needs to make to the
> shell command level?  I'm assuming this would only work through a Unix
> Makefile?  Is there an alternative to iterating over a variable in a
> custom command?
> --
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