[CMake] Adding definitions to compile one file ?

[Vania Joloboff]

Hi

I want to add two definitions to compile one specific files
in addition to the global definitions.
I have the following problem. If I use

set_source_files_properties(source.cpp
PROPERTIES
COMPILE_DEFINITIONS VAR1=${MY_VAR1} VAR2=${MY_VAR2} )

then I get error message incorrect number of arguments for 
set_source_files_properties


If I put
set_source_files_properties(source.cpp
PROPERTIES COMPILE_DEFINITIONS "VAR1=${MY_VAR1} VAR2=${MY_VAR2}" )

then it generates strangely enough the compile command

/usr/bin/c++ -DVAR1="path1 VAR2=path2" ... source.cpp

with the double quotes as above, which gives a weird value to VAR1 and 
no value to VAR2


If I use twice set_source_files_properties
the first one is overwritten by the second
and I only get the definition of VAR2

What am I supposed to do ?

Thankx

PS I am using cmake 3.2.2 on Linux Mint.

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Re: [CMake] Adding definitions to compile one file ?

[Vania Joloboff]

HI Petr

Thanks for the suggestion.
But this will erase the existing compile definitions, won't it ?
So may be I should do a get_property first,
append my new definitions and reset the property ?
I'll try anyway...

Vania

On 01/21/2016 03:21 PM, Petr Kmoch wrote:

Hi Vania.

For your case, it's best to forget about the 
not-as-convenient-as-they-could-be convenience functions 
set_*_properties, and just invoke set_property:


set_property(
  SOURCE source.cpp
  PROPERTY COMPILE_DEFINITIONS
VAR1=${MY_VAR1} VAR2=${MY_VAR2}
)

Petr

On Thu, Jan 21, 2016 at 3:14 PM, Vania Joloboff 
> wrote:


Hi

I want to add two definitions to compile one specific files
in addition to the global definitions.
I have the following problem. If I use

set_source_files_properties(source.cpp
PROPERTIES
COMPILE_DEFINITIONS VAR1=${MY_VAR1} VAR2=${MY_VAR2} )

then I get error message incorrect number of arguments for
set_source_files_properties

If I put
set_source_files_properties(source.cpp
PROPERTIES COMPILE_DEFINITIONS "VAR1=${MY_VAR1} VAR2=${MY_VAR2}" )

then it generates strangely enough the compile command

/usr/bin/c++ -DVAR1="path1 VAR2=path2" ... source.cpp

with the double quotes as above, which gives a weird value to VAR1
and no value to VAR2

If I use twice set_source_files_properties
the first one is overwritten by the second
and I only get the definition of VAR2

What am I supposed to do ?

Thankx

PS I am using cmake 3.2.2 on Linux Mint.

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Re: [CMake] Adding definitions to compile one file ?

[Petr Kmoch]

On Thu, Jan 21, 2016 at 3:26 PM, Vania Joloboff 
wrote:

> HI Petr
>
> Thanks for the suggestion.
> But this will erase the existing compile definitions, won't it ?
> So may be I should do a get_property first,
> append my new definitions and reset the property ?
> I'll try anyway...
>

This would erase the previous value of the property COMPILE_DEFINITIONS
specified on the source file(s), if you've already provided one for it. But
the globally specified compilation definitions, flags etc. do not get
copied into these per-source properties. Instead, the final command line
used for compiling a source is combined from the global, target, and source
file properties (and relevant variables and other things).

If you really need to append to the property, though, you can use APPEND or
APPEND_STRING arguments before the PROPERTY keyword; refer to CMake docs
for more details.

Petr


>
> Vania
>
> On 01/21/2016 03:21 PM, Petr Kmoch wrote:
>
>> Hi Vania.
>>
>> For your case, it's best to forget about the
>> not-as-convenient-as-they-could-be convenience functions set_*_properties,
>> and just invoke set_property:
>>
>> set_property(
>>   SOURCE source.cpp
>>   PROPERTY COMPILE_DEFINITIONS
>> VAR1=${MY_VAR1} VAR2=${MY_VAR2}
>> )
>>
>> Petr
>>
>> On Thu, Jan 21, 2016 at 3:14 PM, Vania Joloboff > > wrote:
>>
>> Hi
>>
>> I want to add two definitions to compile one specific files
>> in addition to the global definitions.
>> I have the following problem. If I use
>>
>> set_source_files_properties(source.cpp
>> PROPERTIES
>> COMPILE_DEFINITIONS VAR1=${MY_VAR1} VAR2=${MY_VAR2} )
>>
>> then I get error message incorrect number of arguments for
>> set_source_files_properties
>>
>> If I put
>> set_source_files_properties(source.cpp
>> PROPERTIES COMPILE_DEFINITIONS "VAR1=${MY_VAR1} VAR2=${MY_VAR2}" )
>>
>> then it generates strangely enough the compile command
>>
>> /usr/bin/c++ -DVAR1="path1 VAR2=path2" ... source.cpp
>>
>> with the double quotes as above, which gives a weird value to VAR1
>> and no value to VAR2
>>
>> If I use twice set_source_files_properties
>> the first one is overwritten by the second
>> and I only get the definition of VAR2
>>
>> What am I supposed to do ?
>>
>> Thankx
>>
>> PS I am using cmake 3.2.2 on Linux Mint.
>>
>> --
>> Powered by www.kitware.com 
>>
>> Please keep messages on-topic and check the CMake FAQ at:
>> http://www.cmake.org/Wiki/CMake_FAQ
>>
>> Kitware offers various services to support the CMake community.
>> For more information on each offering, please visit:
>>
>> CMake Support: http://cmake.org/cmake/help/support.html
>> CMake Consulting: http://cmake.org/cmake/help/consulting.html
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>>
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>>
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>>
>>
>>
>
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Re: [CMake] Adding definitions to compile one file ?

[Eric Noulard]

2016-01-21 15:14 GMT+01:00 Vania Joloboff :

> Hi
>
> I want to add two definitions to compile one specific files
> in addition to the global definitions.
> I have the following problem. If I use
>
> set_source_files_properties(source.cpp
> PROPERTIES
> COMPILE_DEFINITIONS VAR1=${MY_VAR1} VAR2=${MY_VAR2} )
>
> then I get error message incorrect number of arguments for
> set_source_files_properties
>
> If I put
> set_source_files_properties(source.cpp
> PROPERTIES COMPILE_DEFINITIONS "VAR1=${MY_VAR1} VAR2=${MY_VAR2}" )
>
> then it generates strangely enough the compile command
>
> /usr/bin/c++ -DVAR1="path1 VAR2=path2" ... source.cpp
>
> with the double quotes as above, which gives a weird value to VAR1 and no
> value to VAR2
>
> If I use twice set_source_files_properties
> the first one is overwritten by the second
> and I only get the definition of VAR2
>
> What am I supposed to do ?
>

Did you try to separate you VAR1 and VAR2 def suing semicolon as indicated
in the doc:
"The COMPILE_DEFINITIONS property may be set to a semicolon-separated
list of preprocessor definitions using the syntax VAR or VAR=value."

see
cmake --help-property COMPILE_DEFINITIONS

so try:
set_source_files_properties(source.cpp
PROPERTIES COMPILE_DEFINITIONS "VAR1=${MY_VAR1};VAR2=${MY_VAR2}" )


-- 
Eric
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Re: [CMake] Adding definitions to compile one file ?

[CHEVRIER, Marc]

Use APPEND keyword:
set_property(
   SOURCE source.cpp
APPEND PROPERTY COMPILE_DEFINITIONS
 VAR1=${MY_VAR1} VAR2=${MY_VAR2}
)






On 21/01/16 15:26, "CMake on behalf of Vania Joloboff"  wrote:

>HI Petr
>
>Thanks for the suggestion.
>But this will erase the existing compile definitions, won't it ?
>So may be I should do a get_property first,
>append my new definitions and reset the property ?
>I'll try anyway...
>
>Vania
>
>On 01/21/2016 03:21 PM, Petr Kmoch wrote:
>> Hi Vania.
>>
>> For your case, it's best to forget about the 
>> not-as-convenient-as-they-could-be convenience functions 
>> set_*_properties, and just invoke set_property:
>>
>> set_property(
>>   SOURCE source.cpp
>>   PROPERTY COMPILE_DEFINITIONS
>> VAR1=${MY_VAR1} VAR2=${MY_VAR2}
>> )
>>
>> Petr
>>
>> On Thu, Jan 21, 2016 at 3:14 PM, Vania Joloboff 
>> > wrote:
>>
>> Hi
>>
>> I want to add two definitions to compile one specific files
>> in addition to the global definitions.
>> I have the following problem. If I use
>>
>> set_source_files_properties(source.cpp
>> PROPERTIES
>> COMPILE_DEFINITIONS VAR1=${MY_VAR1} VAR2=${MY_VAR2} )
>>
>> then I get error message incorrect number of arguments for
>> set_source_files_properties
>>
>> If I put
>> set_source_files_properties(source.cpp
>> PROPERTIES COMPILE_DEFINITIONS "VAR1=${MY_VAR1} VAR2=${MY_VAR2}" )
>>
>> then it generates strangely enough the compile command
>>
>> /usr/bin/c++ -DVAR1="path1 VAR2=path2" ... source.cpp
>>
>> with the double quotes as above, which gives a weird value to VAR1
>> and no value to VAR2
>>
>> If I use twice set_source_files_properties
>> the first one is overwritten by the second
>> and I only get the definition of VAR2
>>
>> What am I supposed to do ?
>>
>> Thankx
>>
>> PS I am using cmake 3.2.2 on Linux Mint.
>>
>> -- 
>>
>> Powered by www.kitware.com 
>>
>> Please keep messages on-topic and check the CMake FAQ at:
>> http://www.cmake.org/Wiki/CMake_FAQ
>>
>> Kitware offers various services to support the CMake community.
>> For more information on each offering, please visit:
>>
>> CMake Support: http://cmake.org/cmake/help/support.html
>> CMake Consulting: http://cmake.org/cmake/help/consulting.html
>> CMake Training Courses: http://cmake.org/cmake/help/training.html
>>
>> Visit other Kitware open-source projects at
>> http://www.kitware.com/opensource/opensource.html
>>
>> Follow this link to subscribe/unsubscribe:
>> http://public.kitware.com/mailman/listinfo/cmake
>>
>>
>
>-- 
>
>Powered by www.kitware.com
>
>Please keep messages on-topic and check the CMake FAQ at: 
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>
>Kitware offers various services to support the CMake community. For more 
>information on each offering, please visit:
>
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Re: [CMake] Adding definitions to compile one file ?

[Petr Kmoch]

Hi Vania.

For your case, it's best to forget about the
not-as-convenient-as-they-could-be convenience functions set_*_properties,
and just invoke set_property:

set_property(
  SOURCE source.cpp
  PROPERTY COMPILE_DEFINITIONS
VAR1=${MY_VAR1} VAR2=${MY_VAR2}
)

Petr

On Thu, Jan 21, 2016 at 3:14 PM, Vania Joloboff 
wrote:

> Hi
>
> I want to add two definitions to compile one specific files
> in addition to the global definitions.
> I have the following problem. If I use
>
> set_source_files_properties(source.cpp
> PROPERTIES
> COMPILE_DEFINITIONS VAR1=${MY_VAR1} VAR2=${MY_VAR2} )
>
> then I get error message incorrect number of arguments for
> set_source_files_properties
>
> If I put
> set_source_files_properties(source.cpp
> PROPERTIES COMPILE_DEFINITIONS "VAR1=${MY_VAR1} VAR2=${MY_VAR2}" )
>
> then it generates strangely enough the compile command
>
> /usr/bin/c++ -DVAR1="path1 VAR2=path2" ... source.cpp
>
> with the double quotes as above, which gives a weird value to VAR1 and no
> value to VAR2
>
> If I use twice set_source_files_properties
> the first one is overwritten by the second
> and I only get the definition of VAR2
>
> What am I supposed to do ?
>
> Thankx
>
> PS I am using cmake 3.2.2 on Linux Mint.
>
> --
>
> Powered by www.kitware.com
>
> Please keep messages on-topic and check the CMake FAQ at:
> http://www.cmake.org/Wiki/CMake_FAQ
>
> Kitware offers various services to support the CMake community. For more
> information on each offering, please visit:
>
> CMake Support: http://cmake.org/cmake/help/support.html
> CMake Consulting: http://cmake.org/cmake/help/consulting.html
> CMake Training Courses: http://cmake.org/cmake/help/training.html
>
> Visit other Kitware open-source projects at
> http://www.kitware.com/opensource/opensource.html
>
> Follow this link to subscribe/unsubscribe:
> http://public.kitware.com/mailman/listinfo/cmake
>
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Re: [CMake] Adding definitions to compile one file ?

[Gregor Jasny via CMake]

Hi,

On 21/01/16 15:14, Vania Joloboff wrote:

Hi

I want to add two definitions to compile one specific files
in addition to the global definitions.
I have the following problem. If I use

set_source_files_properties(source.cpp
PROPERTIES
COMPILE_DEFINITIONS VAR1=${MY_VAR1} VAR2=${MY_VAR2} )

then I get error message incorrect number of arguments for
set_source_files_properties

If I put
set_source_files_properties(source.cpp
PROPERTIES COMPILE_DEFINITIONS "VAR1=${MY_VAR1} VAR2=${MY_VAR2}" )


Try to delimit the two definitions by a ; to create a list.

Alternatively set property should do the trick:
https://cmake.org/cmake/help/v3.2/command/set_property.html

set_property(SOURCE source.cpp PROPERTY COMPILE_DEFINITIONS 
VAR1=${MY_VAR1} VAR2=${MY_VAR2})


With set_property you also have the option to specify APPEND or 
APPEND_STRING.


Thanks,
Gregor
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