[CMake] INSTALL CODE Error Results and Termination

[Jean-Christophe Fillion-Robin]

Hi David,


You could look at the generated file named "cmake_install.cmake" to have a
better idea of what could be wrong ...

As a side note, there is also an issue with command like
"install(CODE|SCRIPT ..." there are always executed first in a given
directory. See [1] (Note that I couldn't find a issue in the tracker
referencing that problem ... will create one if no body find it)

Hth
Jc

[1]
https://github.com/Slicer/Slicer/blob/95f48d89d0806cd30b0cf58b20b7790163cec1c8/CMake/SlicerCPack.cmake#L81-86


On Wed, Nov 13, 2013 at 1:41 PM, David Hauck <davidh at netacquire.com> wrote:

> Hi Kornel,
>
> On Wednesday, November 13, 2013 10:26 AM, cmake-bounces at cmake.org wrote:
> > Am Mittwoch, 13. November 2013 um 18:12:26, schrieb David Hauck
> > <davidh at netacquire.com>
> >> Hello,
> >>
> >> I've been using several "install (CODE "EXECUTE_PROCESS ...")"
> >> constructs
> > in my top-level CMakeLists.txt file. However, I've been unable to
> > capture/operate on any exit status of the embedded command.
> > Unfortunately, documentation/searches haven't turned up any useful
> > pointers. The closest I've come is a pointer in the following thread:
> >> http://www.cmake.org/pipermail/cmake/2011-July/045475.html However,
> >> I've not been able to sufficiently read between the lines to get this
> >> working.
> >>
> >> Does anyone have any thoughts on how to get something like the
> >> following working:
> >>
> >>    install (CODE "EXECUTE_PROCESS (
> >>       COMMAND ant ...
> >>       WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/java
> >>       ERROR_VARIABLE _err
> >
> > Didn't you mean 'RESULT_VARIABLE' here?
>
> No, I really do mean ERROR_VARIABLE (unless, of course, this variable does
> not include the non-zero exit status of the EXECUTE_PROCESS command?).
>
> BTW, I'm still curious about the (dual 'code') construct generally.
> Specifically, if I do the following I never see the fatal error message (so
> I'm wondering if there's still something wrong regarding the scoping of the
> message command)?
>
>    install (CODE "EXECUTE_PROCESS (
>       COMMAND ant ...
>       WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/java
>       ERROR_VARIABLE _err
>    )
>    MESSAGE( FATAL_ERROR \"err: ${_err}\")
>
> BTW, the following doesn't work either (each of the variables is empty):
>
>    install (CODE "EXECUTE_PROCESS (
>       COMMAND ant ...
>       WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/java
>       OUTPUT_VARIABLE _out
>       ERROR_VARIABLE _err
>       RESULT_VARIABLE _res
>    )
>    Install (CODE "MESSAGE( STATUS \"out: ${_out}, err: ${_err}, res:
> ${_res}...\")")
>
> -David
>
> >>    )
> >>    If (${_err})
> >>       MESSAGE( FATAL_ERROR \"err: ${_err}\")
> >>    endif ()")
> >> Thanks!
> >> -David
> >>
> >       Kornel
> --
>
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