[yocto] SDK install w/ CMake

[Bach, Pascal]

Hi Eric

I don't think your issue has something do to with CMake.

> -----Original Message-----
> From: yocto-bounces at yoctoproject.org <yocto-bounces at yoctoproject.org>
> On Behalf Of Eric Schwarz
> Sent: Freitag, 1. Februar 2019 09:51
> To: yocto at yoctoproject.org
> Subject: [yocto] SDK install w/ CMake
> 
> Hello,
> 
> we have got the problem that w/ the Yocto recipe and CMake install targets
> as below always everything (headers and library or binary
> respectively) is installed in the SDK.
> The binary also goes into the SDK even though we just add it to
> IMAGE_INSTALL based on a XILINX yocto build (rel-v2018.3).

I'm not sure I understand what you are trying to do. If you add something to IMAGE_INSTALL it gets installed to the target.
That usually includes binaries and libraries.

If you only want libraries but not binaries it's probably best to split them into multiple packages as described in https://www.yoctoproject.org/docs/latest/mega-manual/mega-manual.html#package-splitting-dev-environment

This way you can have the binaries in a different package like ${PN}-tools.

Pascal

> For sure we only want headers to be installed when "<library_name>-dev"
> is added to TOOLCHAIN_TARGET_TASK_append and the binary should not
> be installed at all when it is just added to IMAGE_INSTALL.
> 
> For sure we studied Yocto and CMake recipes from other libraries where it
> works like pugixml but weren't able to figure out what's going wrong.
> 
> 
> Yocto recipe
> ============
> 
> DESCRIPTION = "C++ reflection library"
> SECTION = "libs"
> LICENSE = "CLOSED"
> 
> SRCREV = "${AUTOREV}"
> SRCBRANCH = "next"
> SRC_URI =
> "git://gitlab.company.de/psg/${PN}.git;branch=${SRCBRANCH};protocol=ssh
> "
> 
> DEPENDS = "catch2"
> 
> inherit cmake
> S = "${WORKDIR}/git"
> FILES_${PN}-dev += "${libdir}/cmake"
> 
> # The following are needed because the library is unversioned.
> # See
> https://wiki.yoctoproject.org/wiki/TipsAndTricks/Packaging_Prebuilt_Librari
> es#Non-versioned_Libraries
> SOLIBS = ".so"
> FILES_SOLIBSDEV = ""
> 
> 
> CMake library install part
> ==========================
> 
> # Shared client library target.
> add_library(shared SHARED $<TARGET_OBJECTS:objects>)
> target_include_directories(shared PUBLIC
>                  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
>                  $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
> )
> 
> set_target_properties(shared
>                  PROPERTIES
>                  ARCHIVE_OUTPUT_DIRECTORY lib/shared
>                  LIBRARY_OUTPUT_DIRECTORY lib/shared
>                  RUNTIME_OUTPUT_DIRECTORY lib/shared
>                  OUTPUT_NAME ${LIBRARY_NAME}
> )
> 
> # Install target.
> install(TARGETS shared static
>          EXPORT ${LIBRARY_NAME}-config
>          DESTINATION ${CMAKE_INSTALL_LIBDIR})
> install(DIRECTORY include/reflect DESTINATION
> ${CMAKE_INSTALL_INCLUDEDIR})
> install(EXPORT ${LIBRARY_NAME}-config
>          NAMESPACE ${LIBRARY_NAME}-
>          DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${LIBRARY_NAME})
> 
> 
> CMake binary install part
> =========================
> 
> install(TARGETS ${EXECUTABLE_NAME} DESTINATION
> ${CMAKE_INSTALL_BINDIR})
> 
> 
> Many thanks for any hints
> Eric
> --
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