[CMake] Escaping equal sign in custom command

[Robert Dailey]

Thanks that was it!

On Thu, Apr 11, 2013 at 9:02 AM, David Cole <dlrdave at aol.com> wrote:
> Try:
>
>     cmake -D "DOXYGEN_TAGFILES:STRING=C:/bar/somevalue=C:/foo/another" -P
> configure_file.cmake
>
> Because of the “:TYPE” parsing, “:” after the = sign can sometimes be
> misinterpreted by the regex code used to parse these out...
>
>
> HTH,
> David
>
>
> From: Robert Dailey
> Sent: Thursday, April 11, 2013 10:02 AM
> To: CMake
>
> Actually I did a bit more testing on this:
>
> C:\Work\rdailey-hp\dpd-cmake\cmake\scripts\cmake>cmake -D
> "DOXYGEN_TAGFILES=C:/bar/somevalue=C:/foo/another" -P configur
> e_file.cmake
> DOXYGEN_TAGFILES:
>
> C:\Work\rdailey-hp\dpd-cmake\cmake\scripts\cmake>cmake -D
> "DOXYGEN_TAGFILES=C/bar/somevalue=C:/foo/another" -P configure
> _file.cmake
> DOXYGEN_TAGFILES: C/bar/somevalue=C:/foo/another
>
> The only difference in both cases is that I have removed the first
> occurance of ":" (colon), which occurs after DOXYGEN_TAGFILES=. Why
> would this cause the variable to not be defined??
>
> On Thu, Apr 11, 2013 at 8:52 AM, Robert Dailey <rcdailey.lists at gmail.com>
> wrote:
>> I'm invoking cmake -P to execute a CMake script in a custom command,
>> and I also pass in variables via -D. Here is the command that gets
>> generated by CMake for the custom command:
>>
>> "C:\Program Files (x86)\CMake 2.8\bin\cmake.exe" -D
>>
>> IN_FILE=C:/Work/rdailey-hp/dpd-cmake/server/gmmserver/domino/server/gwserver/doxygen_config.dox
>> -D
>> OUT_FILE=C:/Work/rdailey-hp/dpd-cmake/build-vc9/output/documentation/gddomconnector/config.dox
>> -D
>> DOXYGEN_OUTPUT_DIRECTORY=\"C:/Work/rdailey-hp/dpd-cmake/build-vc9/output/documentation/gddomconnector\"
>> -D
>> DOXYGEN_GENERATE_TAGFILE=\"C:/Work/rdailey-hp/dpd-cmake/build-vc9/output/documentation/gddomconnector/doxygen.tag\"
>> -D
>> "DOXYGEN_TAGFILES=C:/Work/rdailey-hp/dpd-cmake/build-vc9/output/documentation/gddominoaccess/doxygen.tag\=C:/Work/rdailey-hp/dpd-cmake/build-vc9/output/documentation/gddominoaccess/html
>> " -P C:/Work/rdailey-hp/dpd-cmake/cmake/scripts/cmake/configure_file.cmake
>>
>> The problem is the equal sign for the DOXYGEN_TAGFILES variable I'm
>> defining. If I insert an equal sign (I try to escape it with literal
>> '\' and also without), the variable DOXYGEN_TAGFILES does not get
>> defined inside the script. If I only remove the equal sign, then the
>> variable gets defined.
>>
>> How can I do this properly? I'm running this command inside Visual
>> Studio, but I also paste it directly into a command prompt in Windows
>> to test it, doesn't work there either.
>>
>> For the DOXYGEN_TAGFILES variable, here is how I generate that part of
>> the custom command in my CMake code:
>>
>>                 set( dependency_tagfiles
>>
>> "${dep_output_dir}/doxygen.tag\\=${dep_output_dir}/html "
>>                 )
>>
>> The above variable is passed directly into add_custom_command in the
>> ARGS field, after being appended to literal "DOXYGEN_TAGFILES="...
>>
>> Thanks in advance.
> --
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