Don't try to install Qt plugins outside of the install prefix

Even if QMake tells us that would be the right location because
it breaks development setups which use a custom install prefix
and set QT_PLUGIN_PATH accordingly.
sendfile
Martchus 4 years ago
parent fc9e1ff703
commit 869a3b2ae2

@ -382,12 +382,22 @@ if (NOT META_NO_INSTALL_TARGETS AND ENABLE_INSTALL_TARGETS)
query_qmake_variable(QT_INSTALL_PLUGINS)
endif ()
if (QT_INSTALL_PLUGINS)
set(LIBRARY_DESTINATION ${QT_INSTALL_PLUGINS})
else ()
string(FIND "${QT_INSTALL_PLUGINS}" "${CMAKE_INSTALL_PREFIX}"
CMAKE_INSTALL_PREFIX_INDEX_IN_QT_INSTALL_PLUGINS)
if ("${CMAKE_INSTALL_PREFIX_INDEX_IN_QT_INSTALL_PLUGINS}" EQUAL 0)
set(LIBRARY_DESTINATION ${QT_INSTALL_PLUGINS})
else ()
message(
WARNING
"According to qmake the Qt plugin directory is \"${QT_INSTALL_PLUGINS}\". However, that path is not within the install prefix \"${CMAKE_INSTALL_PREFIX}\" and therefore ignored."
)
endif ()
endif ()
if (NOT LIBRARY_DESTINATION)
set(LIBRARY_DESTINATION lib${SELECTED_LIB_SUFFIX}/qt/plugins)
message(
WARNING
"Unable to detect appropriate install directory for Qt plugins (assuming \"${LIBRARY_DESTINATION}\")."
"Unable to detect appropriate install directory for Qt plugins (assuming \"${LIBRARY_DESTINATION}\"). Set QT_PLUGIN_DIR to specify the directory to install Qt plugins to manually."
)
endif ()
endif ()

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