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@@ -35,8 +35,17 @@ if(PK_USE_BOX2D)
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add_definitions(-DPK_USE_BOX2D)
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endif()
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-option(PK_BUILD_SHARED_LIB "Build shared library" OFF)
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-option(PK_BUILD_STATIC_LIB "Build static library" OFF)
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+# PK_IS_MAIN determines whether the project is being used from root
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+# or if it is added as a dependency (through add_subdirectory for example).
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+if ("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}")
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+ set(PK_IS_MAIN TRUE)
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+ option(PK_BUILD_SHARED_LIB "Build shared library" OFF)
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+ option(PK_BUILD_STATIC_LIB "Build static library" OFF)
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+else()
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+ set(PK_IS_MAIN FALSE)
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+ option(PK_BUILD_SHARED_LIB "Build shared library" OFF)
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+ option(PK_BUILD_STATIC_LIB "Build static library" ON)
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+endif()
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option(PK_EXPORT_CXX_SYMBOLS "Export C++ symbols" OFF)
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blueloveTH