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# create the MathFunctions library
add_library(MathFunctions MathFunctions.cxx)
# state that anybody linking to us needs to include the current source dir
# to find MathFunctions.h, while we don't.
target_include_directories(MathFunctions
INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}
)
# should we use our own math functions
option(USE_MYMATH "Use tutorial provided math implementation" ON)
if (USE_MYMATH)
target_compile_definitions(MathFunctions PRIVATE "USE_MYMATH")
# library that just does sqrt
add_library(SqrtLibrary STATIC
mysqrt.cxx
)
# link SqrtLibrary to tutorial_compiler_flags
target_link_libraries(SqrtLibrary PUBLIC tutorial_compiler_flags)
target_link_libraries(MathFunctions PRIVATE SqrtLibrary)
endif()
# link MathFunctions to tutorial_compiler_flags
target_link_libraries(MathFunctions PUBLIC tutorial_compiler_flags)
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