我的CMakeLists有什麼問題嗎？

以下是我的CMakeLists文件。默認情況下，我期望它在agui_allegro5庫中定義符號ALLEGRO_STATICLINK，但它不會，但是當我檢查掉WANT_SHARED時，它定義了它，它不應該這樣定義它，但它並不像它應該那樣定義AGUI_BACKEND_BUILD。我的邏輯是否有缺陷？我的CMakeLists有什麼問題嗎？

cmake_minimum_required(VERSION 2.6) 

project(agui) 

OPTION(WANT_SHARED "Build agui and the backend as a shared library" OFF) 

OPTION(WANT_ALLEGRO5_BACKEND "Build the Allegro 5 backend" ON) 

set(AGUI_SOURCES 
    src/Agui/ActionEvent.cpp 
    src/Agui/ActionListener.cpp 
    src/Agui/BaseTypes.cpp 
    src/Agui/BlinkingEvent.cpp 
    src/Agui/BorderLayout.cpp 
    src/Agui/Color.cpp 
    src/Agui/Dimension.cpp 
    src/Agui/EmptyWidget.cpp 
    src/Agui/EventArgs.cpp 
    src/Agui/FlowLayout.cpp 
    src/Agui/FocusListener.cpp 
    src/Agui/FocusManager.cpp 
    src/Agui/Font.cpp 
    src/Agui/FontLoader.cpp 
    src/Agui/Graphics.cpp 
    src/Agui/GridLayout.cpp 
    src/Agui/Gui.cpp 
    src/Agui/Image.cpp 
    src/Agui/ImageLoader.cpp 
    src/Agui/Input.cpp 
    src/Agui/KeyboardListener.cpp 
    src/Agui/Layout.cpp 
    src/Agui/MouseListener.cpp 
    src/Agui/Point.cpp 
    src/Agui/Rectangle.cpp 
    src/Agui/ResizableText.cpp 
    src/Agui/ResizableBorderLayout.cpp 
    src/Agui/SelectionListener.cpp 
    src/Agui/TopContainer.cpp 
    src/Agui/Widget.cpp 
    src/Agui/WidgetListener.cpp 
    src/Agui/Widgets/Button/Button.cpp 
    src/Agui/Widgets/Button/ButtonListener.cpp 
    src/Agui/Widgets/CheckBox/CheckBox.cpp 
    src/Agui/Widgets/CheckBox/CheckBoxListener.cpp 
    src/Agui/Widgets/DropDown/DropDown.cpp 
    src/Agui/Widgets/DropDown/DropDownListener.cpp 
    src/Agui/Widgets/Frame/Frame.cpp 
    src/Agui/Widgets/Frame/FrameListener.cpp 
    src/Agui/Widgets/Label/Label.cpp 
    src/Agui/Widgets/Label/LabelListener.cpp 
    src/Agui/Widgets/ListBox/ListBox.cpp 
    src/Agui/Widgets/ListBox/ListBoxListener.cpp 
    src/Agui/Widgets/RadioButton/RadioButton.cpp 
    src/Agui/Widgets/RadioButton/RadioButtonListener.cpp 
    src/Agui/Widgets/RadioButton/RadioButtonGroup.cpp 
    src/Agui/Widgets/ScrollBar/HScrollBar.cpp 
    src/Agui/Widgets/ScrollBar/HScrollBarListener.cpp 
    src/Agui/Widgets/ScrollBar/VScrollBar.cpp 
    src/Agui/Widgets/ScrollBar/VScrollBarListener.cpp 
    src/Agui/Widgets/ScrollPane/ScrollPane.cpp 
    src/Agui/Widgets/Slider/Slider.cpp 
    src/Agui/Widgets/Slider/SliderListener.cpp 
    src/Agui/Widgets/Tab/Tab.cpp 
    src/Agui/Widgets/Tab/TabbedPane.cpp 
    src/Agui/Widgets/Tab/TabbedPaneListener.cpp 
    src/Agui/Widgets/TextBox/TextBox.cpp 
    src/Agui/Widgets/TextBox/TextBoxListener.cpp 
    src/Agui/Widgets/TextBox/ExtendedTextBox.cpp 
    src/Agui/Widgets/TextField/TextField.cpp 
    src/Agui/Widgets/TextField/TextFieldListener.cpp 
    ) 

set(ALLEGRO5_BACKEND_SOURCES 
    src/Agui/Backends/Allegro5/Allegro5Font.cpp 
    src/Agui/Backends/Allegro5/Allegro5FontLoader.cpp 
    src/Agui/Backends/Allegro5/Allegro5Graphics.cpp 
    src/Agui/Backends/Allegro5/Allegro5Image.cpp 
    src/Agui/Backends/Allegro5/Allegro5ImageLoader.cpp 
    src/Agui/Backends/Allegro5/Allegro5Input.cpp 
    ) 

    include_directories (./include) 
if(WANT_SHARED) 
    add_library(agui SHARED ${AGUI_SOURCES}) 
    set_target_properties(agui PROPERTIES DEFINE_SYMBOL "AGUI_BUILD") 

    if(WANT_ALLEGRO5_BACKEND) 
    add_library(agui_allegro5 SHARED ${ALLEGRO5_BACKEND_SOURCES}) 
    set_target_properties(agui_allegro5 PROPERTIES DEFINE_SYMBOL "AGUI_BACKEND_BUILD") 
    target_link_libraries (agui_allegro5 agui) 
    endif() 

else() 
    add_library(agui STATIC ${AGUI_SOURCES}) 

    if(WANT_ALLEGRO5_BACKEND) 
    add_library(agui_allegro5 STATIC ${ALLEGRO5_BACKEND_SOURCES}) 
    set_target_properties(agui_allegro5 PROPERTIES DEFINE_SYMBOL "ALLEGRO_STATICLINK") 
    endif() 

endif()

感謝

來源

2011-05-20 jmasterx

'WANT_SHARED' - > * OFF *但'WANT_ALLEGRO5_BACKEND' - > * ON *？你確定你不想保持一致嗎？當我想要什麼時，我通常需要打開一些標誌，而不是關閉。 – karlphillip 2011-05-20 14:24:12

@karlphillip好的我改變了，但仍然爲什麼它只會在某些情況下定義ALLEGRO_STATICLINK？ – jmasterx 2011-05-20 14:28:05

'cmake-standard'BUILD_SHARED_LIBS變量有什麼問題？如果BUILD_SHARED_LIBS爲true/on，則add_library將假定共享，否則爲靜態。 – 2011-05-20 14:55:36

據CMake documentation「DEFINE_SYMBOL設置編譯共享庫中的資源時所定義的預處理器符號的名字」，而你試圖使用它在一個靜態庫，因此沒有影響。你也可以找到this discussion有用。

來源

2011-05-20 14:34:16 vitaut

Cmake文檔說，屬性DEFINE_SYMBOL只出席共享庫，嘗試使用COMPILE_DEFINITIONS屬性。

來源

2011-05-20 14:35:26 gelraen

我的CMakeLists有什麼問題嗎？

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