[OE-core] [PATCH] cmake: fix configure error if system Qt installation is broken

[Martin Jansa]

On Thu, Jul 04, 2013 at 12:26:04PM +0100, Paul Eggleton wrote:
> If the host Qt installation exists but is incomplete or the installed
> qmake architecture doesn't match that of the Qt libraries, cmake was
> failing at do_configure. cmake 2.8.10 failed silently here so we should
> make 2.8.11 do the same.

FWIW: I was seeing this issue in my jenkins builds once and then before
I've included this patch to test it, it was gone and I haven't seen it
anymore. I believe this patch is correct, just saying that building some
recipe (maybe qt4-native) before cmake-native also "hides" this issue.

> Fixes [YOCTO #4565].
> 
> Signed-off-by: Paul Eggleton <paul.eggleton at linux.intel.com>
> ---
>  meta/recipes-devtools/cmake/cmake.inc              |  1 +
>  .../cmake/cmake/qt4-fail-silent.patch              | 55 ++++++++++++++++++++++
>  2 files changed, 56 insertions(+)
>  create mode 100644 meta/recipes-devtools/cmake/cmake/qt4-fail-silent.patch
> 
> diff --git a/meta/recipes-devtools/cmake/cmake.inc b/meta/recipes-devtools/cmake/cmake.inc
> index 6144d51..014ff5a 100644
> --- a/meta/recipes-devtools/cmake/cmake.inc
> +++ b/meta/recipes-devtools/cmake/cmake.inc
> @@ -15,6 +15,7 @@ SRC_URI = "http://www.cmake.org/files/v${CMAKE_MAJOR_VERSION}/cmake-${PV}.tar.gz
>             file://support-oe-qt4-tools-names.patch \
>             file://aarch64-cmake.patch \
>             file://aarch64-kwsys.patch \
> +           file://qt4-fail-silent.patch \
>             "
>  
>  inherit autotools
> diff --git a/meta/recipes-devtools/cmake/cmake/qt4-fail-silent.patch b/meta/recipes-devtools/cmake/cmake/qt4-fail-silent.patch
> new file mode 100644
> index 0000000..fd39f3f
> --- /dev/null
> +++ b/meta/recipes-devtools/cmake/cmake/qt4-fail-silent.patch
> @@ -0,0 +1,55 @@
> +Fail silently if system Qt installation is broken
> +
> +Fixes a regression in behaviour from 2.8.10 to 2.8.11 resulting in the
> +following error if the system Qt installation is broken:
> +
> +CMake Error at Modules/FindQt4.cmake:1028 (set_property):
> +  set_property could not find TARGET Qt4::QtCore.  Perhaps it has not yet
> +  been created.
> +Call Stack (most recent call first):
> +  Tests/RunCMake/CMakeLists.txt:79 (find_package)
> +
> +Upstream-Status: Pending
> +
> +Signed-off-by: Paul Eggleton <paul.eggleton at linux.intel.com>
> +
> +--- cmake-2.8.11/Modules/FindQt4.cmake	2013-07-04 10:20:42.092848274 +0100
> ++++ cmake-2.8.11/Modules/FindQt4.cmake	2013-07-04 10:52:15.693380555 +0100
> +@@ -1025,21 +1025,22 @@
> +     set(_configs)
> +   endmacro()
> + 
> +-
> +-  # Set QT_xyz_LIBRARY variable and add
> +-  # library include path to QT_INCLUDES
> +-  _QT4_ADJUST_LIB_VARS(QtCore)
> +-  set_property(TARGET Qt4::QtCore APPEND PROPERTY
> +-    INTERFACE_INCLUDE_DIRECTORIES
> +-      "${QT_MKSPECS_DIR}/default"
> +-      ${QT_INCLUDE_DIR}
> +-  )
> +-  set_property(TARGET Qt4::QtCore PROPERTY
> +-    INTERFACE_QT_MAJOR_VERSION 4
> +-  )
> +-  set_property(TARGET Qt4::QtCore APPEND PROPERTY
> +-    COMPATIBLE_INTERFACE_STRING QT_MAJOR_VERSION
> +-  )
> ++  if(QT_QTCORE_FOUND)
> ++    # Set QT_xyz_LIBRARY variable and add
> ++    # library include path to QT_INCLUDES
> ++    _QT4_ADJUST_LIB_VARS(QtCore)
> ++    set_property(TARGET Qt4::QtCore APPEND PROPERTY
> ++      INTERFACE_INCLUDE_DIRECTORIES
> ++        "${QT_MKSPECS_DIR}/default"
> ++        ${QT_INCLUDE_DIR}
> ++    )
> ++    set_property(TARGET Qt4::QtCore PROPERTY
> ++      INTERFACE_QT_MAJOR_VERSION 4
> ++    )
> ++    set_property(TARGET Qt4::QtCore APPEND PROPERTY
> ++      COMPATIBLE_INTERFACE_STRING QT_MAJOR_VERSION
> ++    )
> ++  endif()
> + 
> +   foreach(QT_MODULE ${QT_MODULES})
> +     _QT4_ADJUST_LIB_VARS(${QT_MODULE})
> -- 
> 1.8.1.2
> 
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-- 
Martin 'JaMa' Jansa     jabber: Martin.Jansa at gmail.com
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