[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 
> <vania.joloboff at inria.fr <mailto:vania.joloboff at inria.fr>> 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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