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42 lines
1.4 KiB
CMake
42 lines
1.4 KiB
CMake
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SET(QT_MISSING True)
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# msvc only; mingw will need different logic
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IF(MSVC)
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# look for user-registry pointing to qtcreator
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GET_FILENAME_COMPONENT(QT_BIN [HKEY_CURRENT_USER\\Software\\Classes\\Applications\\QtProject.QtCreator.cpp\\shell\\Open\\Command] PATH)
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# get root path so we can search for 5.3, 5.4, 5.5, etc
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STRING(REPLACE "/Tools" ";" QT_BIN "${QT_BIN}")
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LIST(GET QT_BIN 0 QT_BIN)
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FILE(GLOB QT_VERSIONS "${QT_BIN}/5.*")
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LIST(SORT QT_VERSIONS)
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# assume the latest version will be last alphabetically
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LIST(REVERSE QT_VERSIONS)
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LIST(GET QT_VERSIONS 0 QT_VERSION)
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# fix any double slashes which seem to be common
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STRING(REPLACE "//" "/" QT_VERSION "${QT_VERSION}")
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# do some math trickery to guess folder
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# - qt uses (e.g.) "msvc2012"
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# - cmake uses (e.g.) "1800"
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# - see also https://cmake.org/cmake/help/v3.0/variable/MSVC_VERSION.html
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MATH(EXPR QT_MSVC "2000 + (${MSVC_VERSION} - 200) / 100")
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# check for 64-bit os
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# may need to be removed for older compilers as it wasn't always offered
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IF(CMAKE_SYSTEM_PROCESSOR MATCHES 64)
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SET(QT_MSVC "${QT_MSVC}_64")
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ENDIF()
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SET(QT_PATH "${QT_VERSION}/msvc${QT_MSVC}")
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SET(QT_MISSING False)
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ENDIF()
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# use Qt_DIR approach so you can find Qt after cmake has been invoked
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IF(NOT QT_MISSING)
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MESSAGE("-- Qt found: ${QT_PATH}")
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SET(Qt5_DIR "${QT_PATH}/lib/cmake/Qt5/")
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SET(Qt5Test_DIR "${QT_PATH}/lib/cmake/Qt5Test")
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ENDIF()
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