[CMake] How to invoke a separate build with CMAKE_CUSTOM_TARGET?

[Heine, Christian (EXTERN: VWGEDS)]

Hmm, this is strange. I've followed your instructions, but those take no effect.
When i try to run the executable I got the failure message box that my libbrOpenGL.dll 
of the acutal build result is missing. Here is what I do on demo build:

INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR} 
		        ${CMAKE_CURRENT_SOURCE_DIR}
                    ${CMAKE_SOURCE_DIR}/include
                    ${COMPILER_ROOT}/include/binrev
)

# Find OpenGL library using default CMake find script
FIND_PACKAGE(OpenGL REQUIRED)

# create output directory
SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/bin)

# Make sure the linker can find our libraries once they are built.
LINK_DIRECTORIES(${CMAKE_SOURCE_DIR}/lib)  

# Find our cmake utils with different reusable macros
FIND_PACKAGE(OpenGL REQUIRED)

# create exectuable
SET(EXECUTABLE_OUTPUT_PATH ${CMAKE_SOURCE_DIR}/bin)
ADD_EXECUTABLE(mydemo demo_win32Camera.cpp)

#link test libraries for unit tests
TARGET_LINK_LIBRARIES( mydemo
       	           brOpenGL  # this is the library of the actual build
       	           brCore brMath brGraphics # this are other required libs
)

>Mit freundlichen Grüßen
>
Christian Heine

T-Systems on site services GmbH
Procurement Systems

>Telefon/phone: +49-5361-9-78564
>E-Mail: extern.christian.heine at volkswagen.de
>
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+49-5361-464 78-10 (Fax)
E-Mail: christian.heine at t-systems.com
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-----Ursprüngliche Nachricht-----
Von: cmake-bounces at cmake.org [mailto:cmake-bounces at cmake.org] Im Auftrag von Rolf Eike Beer
Gesendet: Donnerstag, 12. Mai 2011 13:39
An: cmake at cmake.org
Betreff: Re: [CMake] How to invoke a separate build with CMAKE_CUSTOM_TARGET?

Am Donnerstag, 12. Mai 2011, 12:40:54 schrieb Heine, Christian:
> Thanks Eike for this hint! This works, but I couldn't use it.
> 
> One reason is, that any module is loosely coupled. It doesn't know where the
> other modules it's depends on are located. By this reason I need a place
> where any final library is archived and could be linked by the executable
> at runtime like the /usr/local/lib folder on Linux, so I think the system32
> folder is the right place on windows platforms ...
> 
> The second reason is, that I've to perform an installation before I could
> start the demo files. But normally I would start them before I install the
> module, i.e. to test implementation details. By this reason the demo
> executable must be able to link the actual library after a simple build...

SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)

This will create a lib and bin folder inside your build tree where all things 
will be located so it should be possible to run things just from the build 
tree. BTDT. MT.

Eike