On 09/25/2015 05:27 AM, Eric Noulard wrote:
2015-09-24 22:42 GMT+02:00 Bruno Barberi Gnecco <[email protected]
<mailto:[email protected]>>:
How is it possible to add some files only to the ARCHIVE
generators with
CMake/CPack? Apparently components do that, but I can't figure how to say
"only add
component X to generator Y". I did something like this:
In CPackConfig.cmake:
set(CPACK_PROJECT_CONFIG_FILE
"${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/CMakeCPackOptions.cmake")
In CMakeCPackOptions.cmake
IF (CPACK_GENERATOR MATCHES "TGZ")
install(FILES myextrafile DESTINATION "." COMPONENT static)
ENDIF()
But I get the following error:
/usr/local/bin/cpack --config ./CPackConfig.cmake
CMake Error at CMakeModules/CMakeCPackOptions.cmake:4 (install):
Unknown CMake command "install".
CPack Error: Cannot initialize the generator TGZ
What am I doing wrong? Any other way to run `install()` only for
certain
generators? Thanks
CMakeCPackOptions.cmake is run when CPack runs a.k.a. "CPack time"
At that time the CMake language interpreter running is in **scripting mode**
(much like
when you run cmake -P yourscript.cmake)
"install" command is not a scriptable command meaning that is cannot be used
in such CMake script. The same is true for add_library or add_executable etc...
This is because those commande are **declarative** they do not act when they
are processed
but they trigger the generation of other commands that will be run when
building/installing.
Those "non-scriptable" commands may only be used at "CMake time" i.e. when
CMake is
running for configuring your project.
Using COMPONENT is a possible solution.
When using COMPONENT the variable CPACK_COMPONENTS_ALL controls which
components are to be
shipped by the CPack generator.
So what you can do in your CPACK_PROJECT_CONFIG_FILE is to selectively set
CPACK_COMPONENTS_ALL
to appropriate value:
if ("${CPACK_GENERATOR}" MATCHES "ZIP")
set(CPACK_COMPONENTS_ALL comp1 com2 extracomp)
else()
set(CPACK_COMPONENTS_ALL comp1 com2)
endif()
And this should work.
More doc references here:
http://cmake.org/Wiki/CMake:Component_Install_With_CPack
http://cmake.org/Wiki/CMake:CPackPackageGenerators#Overall_usage_.28common_to_all_generators.29
http://cmake.org/cmake/help/v3.0/module/CPackComponent.html
http://cmake.org/cmake/help/v3.0/module/CPack.html?highlight=cpack_project#variable:CPACK_PROJECT_CONFIG_FILE
--
Eric
Eric,
I appreciate your detailed reply, but I'm still can't make it work.
Here's what I did:
CPackConfig.cmake:
SET(CPACK_PROJECT_CONFIG_FILE
"${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/CMakeCPackOptions.cmake")
# SET(CPACK_COMPONENTS_ALL "") commented out
....
install(PROGRAMS "something" DESTINATION "." COMPONENT basic)
install(PROGRAMS "otherthing" DESTINATION "." COMPONENT optional)
CMakeCPackOptions.cmake
IF ("${CPACK_GENERATOR}" MATCHES "TGZ")
set(CPACK_COMPONENTS_ALL basic)
ELSEIF ("${CPACK_GENERATOR}" MATCHES "TBZ2")
set(CPACK_COMPONENTS_ALL basic optional)
ELSE()
SET(CPACK_COMPONENTS_ALL basic)
ENDIF()
Result: all files from all components are added to the packages.
What am I doing wrong? Do you know of some example that I could follow?
Thanks.
--
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