Why are you trying to do this before the project command? You can set the
target name to be something different from the project name, and you can
even set the output name of the executable/library to be different than what
would be automatically set by default from the target name. (I've done
this, to embed the platform into the code and/or output name)
My guess: you've done a lot of work with makefiles and the C preprocessor.
It looks like you're overthinking it - CMake is a reasonably high-level
scripting language, not a macro language or preprocessor.
Could you share a high-level intended behavior with the list so we might be
able to give you a more satisfying answer?
Ryan
On Thu, Sep 16, 2010 at 6:46 PM, J Decker <d3c...@gmail.com> wrote:
> I want to define a variablle that I can use later to pass the string
> program name or library name so I have something lke...
>
> # have to compare generator because MINGW and CMAKE_COMPILER_IS_GNUCC
> are not defined yet...
> # would also like to use a more general idea like compier is GCC...
> if(CMAKE_GENERATOR MATCHES "MinGW Makefiles")
> SET( DEFINE_STRING_QUOTE_OPEN "\"\\\"" )
> SET( DEFINE_STRING_QUOTE_CLOSE "\\\"\"" )
> endif( CMAKE_GENERATOR MATCHES "MinGW Makefiles")
>
>
> SET( PROGRAM_NAME
>
> ${DEFINE_STRING_QUOTE_OPEN}${PROJECT_NAME}${CMAKE_EXECUTABLE_SUFFIX}${DEFINE_STRING_QUOTE_CLOSE})
> SET( LIBRARY_NAME
>
> ${DEFINE_STRING_QUOTE_OPEN}${CMAKE_LIBRARY_PREFIX}${PROJECT_NAME}${CMAKE_LIBRARY_SUFFIX}${DEFINE_STRING_QUOTE_CLOSE})
>
> but when I use these, the substitution was done at the time the SET
> happened instead of later when it is referenced... can I add \'s to
> escape the dollars or something to delay expansion until it is used?
> Macros can't be used for this sort of thing, right?
>
> later when I do
> SET_TARGET_PROPERTIES(${PROJECT_NAME} PROPERTIES
> COMPILE_FLAGS "-DTARGETNAME=${PROGRAM_NAME}"
> )
>
> TARGETNAME="\"\""
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--
Ryan Pavlik
HCI Graduate Student
Virtual Reality Applications Center
Iowa State University
rpav...@iastate.edu
http://academic.cleardefinition.com
Internal VRAC/HCI Site: http://tinyurl.com/rpavlik
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