2021-01-20 16:44:27 +00:00
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if (NOT TARGET pico_printf)
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# library to be depended on - we make this depend on particular implementations using per target generator expressions
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2021-05-04 13:00:17 +00:00
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pico_add_impl_library(pico_printf)
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2021-01-20 16:44:27 +00:00
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# no custom implementation; falls thru to compiler
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2021-05-04 13:00:17 +00:00
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pico_add_impl_library(pico_printf_compiler)
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2021-01-20 16:44:27 +00:00
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add_library(pico_printf_headers INTERFACE)
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target_include_directories(pico_printf_headers INTERFACE ${CMAKE_CURRENT_LIST_DIR}/include)
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# add alias "default" which is just pico.
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add_library(pico_printf_default INTERFACE)
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target_link_libraries(pico_printf_default INTERFACE pico_printf_pico)
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set(PICO_DEFAULT_PRINTF_IMPL pico_printf_default)
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target_link_libraries(pico_printf INTERFACE
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$<IF:$<BOOL:$<TARGET_PROPERTY:PICO_TARGET_PRINTF_IMPL>>,$<TARGET_PROPERTY:PICO_TARGET_PRINTF_IMPL>,${PICO_DEFAULT_PRINTF_IMPL}>)
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2021-05-04 13:00:17 +00:00
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pico_add_impl_library(pico_printf_pico)
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2021-01-20 16:44:27 +00:00
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target_sources(pico_printf_pico INTERFACE
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${CMAKE_CURRENT_LIST_DIR}/printf.c
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)
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target_link_libraries(pico_printf_pico INTERFACE pico_printf_headers)
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2021-05-04 13:00:17 +00:00
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pico_add_impl_library(pico_printf_none)
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2021-01-20 16:44:27 +00:00
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target_sources(pico_printf_none INTERFACE
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${CMAKE_CURRENT_LIST_DIR}/printf_none.S
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)
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target_link_libraries(pico_printf_none INTERFACE pico_printf_headers)
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function(wrap_printf_functions TARGET)
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# note that printf and vprintf are in pico_stdio so we can provide thread safety
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pico_wrap_function(${TARGET} sprintf)
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pico_wrap_function(${TARGET} snprintf)
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pico_wrap_function(${TARGET} vsnprintf)
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endfunction()
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wrap_printf_functions(pico_printf_pico)
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wrap_printf_functions(pico_printf_none)
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macro(pico_set_printf_implementation TARGET IMPL)
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get_target_property(target_type ${TARGET} TYPE)
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if ("EXECUTABLE" STREQUAL "${target_type}")
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set_target_properties(${TARGET} PROPERTIES PICO_TARGET_PRINTF_IMPL "pico_printf_${IMPL}")
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else()
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message(FATAL_ERROR "printf implementation must be set on executable not library")
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endif()
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endmacro()
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endif()
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