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# first we add the executable that generates the table
add_executable(MakeTable MakeTable.cxx)
# add the command to generate the source code
add_custom_command(
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/Table.h
COMMAND MakeTable ${CMAKE_CURRENT_BINARY_DIR}/Table.h
DEPENDS MakeTable
)
# add the main library
add_library(MathFunctions
mysqrt.cxx
${CMAKE_CURRENT_BINARY_DIR}/Table.h
)
# state that anybody linking to us needs to include the current source dir
# to find MathFunctions.h, while we don't.
# state that we depend on our binary dir to find Table.h
target_include_directories(MathFunctions
INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}
PRIVATE ${CMAKE_CURRENT_BINARY_DIR}
)
# use compile definitions to state if we have enabled USE_MYMATH
# and that anything that links to use will get this define
target_compile_definitions(MathFunctions INTERFACE "USE_MYMATH")
if(HAVE_LOG AND HAVE_EXP)
target_compile_definitions(MathFunctions
PRIVATE "HAVE_LOG" "HAVE_EXP")
endif()
# install rules
install(TARGETS MathFunctions DESTINATION lib)
install(FILES MathFunctions.h DESTINATION include)
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