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Allow QT_PLUGIN_PATH to be set as CMake parameter #11

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merged 3 commits into from
Jan 11, 2025
Merged

Allow QT_PLUGIN_PATH to be set as CMake parameter #11

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ad29c68
Allow QT_PLUGIN_PATH to be set as CMake parameter
bjorn Jan 11, 2025
132ae5a
Use qmake -query QT_INSTALL_PLUGINS to find install location
bjorn Jan 11, 2025
f86efff
Allow specifying QT_QMAKE_EXECUTABLE from outside as well
bjorn Jan 11, 2025
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36 changes: 19 additions & 17 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -30,27 +30,29 @@ target_link_libraries(qaseprite
dio-lib
render-lib)

if(DEFINED ENV{QT_PLUGIN_PATH})
set(QT_PLUGIN_PATH $ENV{QT_PLUGIN_PATH})
else()
set(QT_PLUGIN_PATH "" CACHE STRING "Install location for Qt plugins")

if(NOT QT_PLUGIN_PATH)
set(QT_INSTALL_PREFIX ${QT${QT_VERSION_MAJOR}_INSTALL_PREFIX})
set(QT_INSTALL_PLUGINS ${QT${QT_VERSION_MAJOR}_INSTALL_PLUGINS})

# If QT_INSTALL_PREFIX is empty, try to derive it from QT_DIR, cutting off the
# last three components ("lib/cmake/Qt5") from the path
if(NOT QT_INSTALL_PREFIX)
set(QT_INSTALL_PREFIX ${QT_DIR})
get_filename_component(QT_INSTALL_PREFIX ${QT_INSTALL_PREFIX} DIRECTORY)
get_filename_component(QT_INSTALL_PREFIX ${QT_INSTALL_PREFIX} DIRECTORY)
get_filename_component(QT_INSTALL_PREFIX ${QT_INSTALL_PREFIX} DIRECTORY)
endif()

# If QT_INSTALL_PLUGINS is empty, set it to "plugins"
if(NOT QT_INSTALL_PLUGINS)
set(QT_INSTALL_PLUGINS "plugins")
if(DEFINED ENV{QT_PLUGIN_PATH})
set(QT_PLUGIN_PATH $ENV{QT_PLUGIN_PATH})
elseif(QT_INSTALL_PREFIX AND QT_INSTALL_PLUGINS)
set(QT_PLUGIN_PATH "${QT_INSTALL_PREFIX}/${QT_INSTALL_PLUGINS}")
else()
if(NOT QT_QMAKE_EXECUTABLE)
find_program(QT_QMAKE_EXECUTABLE NAMES "qmake" "qmake-qt5" "qmake.exe")
endif()
if(QT_QMAKE_EXECUTABLE)
execute_process(COMMAND "${QT_QMAKE_EXECUTABLE}" "-query" "QT_INSTALL_PLUGINS"
OUTPUT_VARIABLE QT_PLUGIN_PATH
OUTPUT_STRIP_TRAILING_WHITESPACE)
else()
message(FATAL_ERROR "Cannot find qmake executable")
endif()
endif()

set(QT_PLUGIN_PATH "${QT_INSTALL_PREFIX}/${QT_INSTALL_PLUGINS}")
set(QT_PLUGIN_PATH "${QT_PLUGIN_PATH}" CACHE STRING "Install location for Qt plugins" FORCE)
endif()

install(
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