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During the training, we talk about INTERFACE libraries just before Step3 so it makes more sense to do the exercise related to them in Step3
27 lines
922 B
CMake
27 lines
922 B
CMake
# create the MathFunctions library
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add_library(MathFunctions MathFunctions.cxx)
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# state that anybody linking to us needs to include the current source dir
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# to find MathFunctions.h, while we don't.
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target_include_directories(MathFunctions
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INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}
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)
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# should we use our own math functions
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option(USE_MYMATH "Use tutorial provided math implementation" ON)
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if (USE_MYMATH)
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target_compile_definitions(MathFunctions PRIVATE "USE_MYMATH")
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# library that just does sqrt
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add_library(SqrtLibrary STATIC
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mysqrt.cxx
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)
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# link our compiler flags interface library
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target_link_libraries(SqrtLibrary PUBLIC tutorial_compiler_flags)
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target_link_libraries(MathFunctions PUBLIC SqrtLibrary)
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endif()
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# link our compiler flags interface library
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target_link_libraries(MathFunctions PUBLIC tutorial_compiler_flags)
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