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Use rpath by default not only for building but also installed binaries

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This makes it possible to use the binaries out of the box. This is
particularly relevant for program binaries that link against QtCore
dynamically, when trying to use these binaries during cross-compilation.

Change-Id: I7dee93194be3fff5c6e3bbb9e202e4cf5e19b6d0
Reviewed-by: Volker Krause <volker.krause@kdab.com>
This commit is contained in:
Simon Hausmann 2019-02-11 15:45:56 +01:00
parent d523a642dc
commit 96c0dc07a7
1 changed files with 14 additions and 0 deletions
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14
cmake/QtBuild.cmake
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@ -40,6 +40,20 @@ set(INSTALL_CMAKE_NAMESPACE "Qt${PROJECT_VERSION_MAJOR}" CACHE STRING "CMake nam
set(QT_CMAKE_EXPORT_NAMESPACE "Qt${PROJECT_VERSION_MAJOR}" CACHE STRING "CMake namespace used when exporting targets [Qt${PROJECT_VERSION_MAJOR}]")
# the default RPATH to be used when installing, but only if it's not a system directory
LIST(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES "${CMAKE_INSTALL_PREFIX}/lib" isSystemDir)
IF("${isSystemDir}" STREQUAL "-1")
SET(_default_install_rpath "${CMAKE_INSTALL_PREFIX}/lib")
ENDIF("${isSystemDir}" STREQUAL "-1")
# Default rpath settings: Use rpath for build tree as well as a full path for the installed binaries.
# For origin builds, one needs to override CMAKE_INSTALL_RPATH for example with $ORIGIN/../lib
SET(CMAKE_INSTALL_RPATH "${_default_install_rpath}" CACHE PATH "RPATH for installed binaries")
# add the automatically determined parts of the RPATH
# which point to directories outside the build tree to the install RPATH
SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
# Platform define path, etc.
if(WIN32)
set(QT_DEFAULT_PLATFORM_DEFINITIONS UNICODE _UNICODE WIN32 _ENABLE_EXTENDED_ALIGNED_STORAGE)