blob: c77bb08c83da568445a226c88d503e7e6fbfb1e3 [file] [log] [blame]
if (NOT TARGET pico_printf)
# library to be depended on - we make this depend on particular implementations using per target generator expressions
pico_add_library(pico_printf)
# no custom implementation; falls thru to compiler
pico_add_library(pico_printf_compiler)
target_include_directories(pico_printf_headers SYSTEM INTERFACE ${CMAKE_CURRENT_LIST_DIR}/include)
# add alias "default" which is just pico.
add_library(pico_printf_default INTERFACE)
target_link_libraries(pico_printf_default INTERFACE pico_printf_pico)
set(PICO_DEFAULT_PRINTF_IMPL pico_printf_default)
target_link_libraries(pico_printf INTERFACE
$<IF:$<BOOL:$<TARGET_PROPERTY:PICO_TARGET_PRINTF_IMPL>>,$<TARGET_PROPERTY:PICO_TARGET_PRINTF_IMPL>,${PICO_DEFAULT_PRINTF_IMPL}>)
pico_add_library(pico_printf_pico)
target_sources(pico_printf_pico INTERFACE
${CMAKE_CURRENT_LIST_DIR}/printf.c
)
target_link_libraries(pico_printf_pico INTERFACE pico_printf_headers)
pico_add_library(pico_printf_none)
target_sources(pico_printf_none INTERFACE
${CMAKE_CURRENT_LIST_DIR}/printf_none.S
)
target_link_libraries(pico_printf_none INTERFACE pico_printf_headers)
function(wrap_printf_functions TARGET)
# note that printf and vprintf are in pico_stdio so we can provide thread safety
pico_wrap_function(${TARGET} sprintf)
pico_wrap_function(${TARGET} snprintf)
pico_wrap_function(${TARGET} vsnprintf)
endfunction()
wrap_printf_functions(pico_printf_pico)
wrap_printf_functions(pico_printf_none)
# always hook printf for printf_none with out weak impl, as it is handled by pico_stdio
# but that library may not be included
pico_wrap_function(pico_printf_none printf)
macro(pico_set_printf_implementation TARGET IMPL)
get_target_property(target_type ${TARGET} TYPE)
if ("EXECUTABLE" STREQUAL "${target_type}")
set_target_properties(${TARGET} PROPERTIES PICO_TARGET_PRINTF_IMPL "pico_printf_${IMPL}")
else()
message(FATAL_ERROR "printf implementation must be set on executable not library")
endif()
endmacro()
endif()