Enable various compilation flags to reduce the binary size (#401)
* Add the following compilation flags: * -fno-exceptions and -fno-non-call-exceptions : disable exception handling * -fno-rtti : disable run time type information (needed by dynamic_cast, for example) These flags reduce the binary size by about 100KB! Also, -fstack-usage generate debug info (not in final binary) to allow tools like Puncover to do a stack analysis. * Remove unused CMake variables in CMake_nRF5x.cmake (duplicated in src/CMakeLists.txt). Replace -O0 by -Og in DEBUG builds. This generates a smaller binary (small enough for the internal memory) that is debugger friendly.
This commit is contained in:
JF002
GitHub
parent
c0b0f8cb73
commit
1b6acdedc2
3 changed files with 38 additions and 53 deletions
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@ -74,21 +74,6 @@ macro(nRF5x_setup)
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)
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endif ()
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set(COMMON_FLAGS "-MP -MD -mthumb -mabi=aapcs -Wall -g3 -ffunction-sections -fdata-sections -fno-strict-aliasing -fno-builtin --short-enums ${CPU_FLAGS} -Wreturn-type -Werror=return-type")
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# compiler/assambler/linker flags
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set(CMAKE_C_FLAGS "${COMMON_FLAGS}")
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set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -O0 -g3")
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set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O3")
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set(CMAKE_CXX_FLAGS "${COMMON_FLAGS}")
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -O0 -g3")
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3")
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set(CMAKE_ASM_FLAGS "-MP -MD -x assembler-with-cpp")
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set(CMAKE_EXE_LINKER_FLAGS "-mthumb -mabi=aapcs -L ${NRF5_SDK_PATH}/modules/nrfx/mdk -T${NRF5_LINKER_SCRIPT} ${CPU_FLAGS} -Wl,--gc-sections --specs=nano.specs -lc -lnosys -lm")
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# note: we must override the default cmake linker flags so that CMAKE_C_FLAGS are not added implicitly
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set(CMAKE_C_LINK_EXECUTABLE "${CMAKE_C_COMPILER} <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>")
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set(CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_C_COMPILER} <LINK_FLAGS> <OBJECTS> -lstdc++ -o <TARGET> <LINK_LIBRARIES>")
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# basic board definitions and drivers
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include_directories(
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"${NRF5_SDK_PATH}/components"
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@ -744,7 +744,7 @@ link_directories(
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)
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set(COMMON_FLAGS -MP -MD -mthumb -mabi=aapcs -Wall -Wno-unknown-pragmas -g3 -ffunction-sections -fdata-sections -fno-strict-aliasing -fno-builtin --short-enums -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -Wreturn-type -Werror=return-type)
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set(COMMON_FLAGS -MP -MD -mthumb -mabi=aapcs -Wall -Wno-unknown-pragmas -g3 -ffunction-sections -fdata-sections -fno-strict-aliasing -fno-builtin --short-enums -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -Wreturn-type -Werror=return-type -fstack-usage -fno-exceptions -fno-non-call-exceptions)
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add_definitions(-DCONFIG_GPIO_AS_PINRESET)
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add_definitions(-DNIMBLE_CFG_CONTROLLER)
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add_definitions(-DOS_CPUTIME_FREQ)
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@ -766,10 +766,10 @@ add_library(nrf-sdk STATIC ${SDK_SOURCE_FILES})
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target_include_directories(nrf-sdk SYSTEM PUBLIC . ../)
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target_include_directories(nrf-sdk SYSTEM PUBLIC ${INCLUDES_FROM_LIBS})
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target_compile_options(nrf-sdk PRIVATE
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0 -g3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -fno-rtti>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os -fno-rtti>
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$<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
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)
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@ -778,10 +778,10 @@ add_library(nimble STATIC ${NIMBLE_SRC} ${TINYCRYPT_SRC})
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target_include_directories(nimble SYSTEM PUBLIC . ../)
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target_include_directories(nimble SYSTEM PUBLIC ${INCLUDES_FROM_LIBS})
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target_compile_options(nimble PRIVATE
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0 -g3 -Wno-unused-but-set-variable -Wno-maybe-uninitialized>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3 -Wno-unused-but-set-variable -Wno-maybe-uninitialized>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0 -g3 -Wno-unused-but-set-variable -Wno-maybe-uninitialized>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3 -Wno-unused-but-set-variable -Wno-maybe-uninitialized>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3 -Wno-unused-but-set-variable -Wno-maybe-uninitialized>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os -Wno-unused-but-set-variable -Wno-maybe-uninitialized>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3 -Wno-unused-but-set-variable -Wno-maybe-uninitialized -fno-rtti>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os -Wno-unused-but-set-variable -Wno-maybe-uninitialized -fno-rtti>
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$<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
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)
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@ -790,10 +790,10 @@ add_library(lvgl STATIC ${LVGL_SRC})
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target_include_directories(lvgl SYSTEM PUBLIC . ../)
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target_include_directories(lvgl SYSTEM PUBLIC ${INCLUDES_FROM_LIBS})
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target_compile_options(lvgl PRIVATE
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0 -g3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0 -g3>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3 -fno-rtti>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os -fno-rtti>
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$<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
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)
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@ -805,10 +805,10 @@ add_executable(${EXECUTABLE_NAME} ${SOURCE_FILES})
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set_target_properties(${EXECUTABLE_NAME} PROPERTIES OUTPUT_NAME ${EXECUTABLE_FILE_NAME})
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target_link_libraries(${EXECUTABLE_NAME} nimble nrf-sdk lvgl)
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target_compile_options(${EXECUTABLE_NAME} PUBLIC
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0 -g3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0 -g3>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3 -fno-rtti>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os -fno-rtti>
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$<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
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)
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@ -835,10 +835,10 @@ add_executable(${EXECUTABLE_MCUBOOT_NAME} ${SOURCE_FILES})
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target_link_libraries(${EXECUTABLE_MCUBOOT_NAME} nimble nrf-sdk lvgl)
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set_target_properties(${EXECUTABLE_MCUBOOT_NAME} PROPERTIES OUTPUT_NAME ${EXECUTABLE_MCUBOOT_FILE_NAME})
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target_compile_options(${EXECUTABLE_MCUBOOT_NAME} PUBLIC
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0 -g3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0 -g3>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3 -fno-rtti>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os -fno-rtti>
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$<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
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)
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@ -872,10 +872,10 @@ target_link_libraries(${EXECUTABLE_RECOVERY_NAME} nimble nrf-sdk)
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set_target_properties(${EXECUTABLE_RECOVERY_NAME} PROPERTIES OUTPUT_NAME ${EXECUTABLE_RECOVERY_FILE_NAME})
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target_compile_definitions(${EXECUTABLE_RECOVERY_NAME} PUBLIC "PINETIME_IS_RECOVERY")
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target_compile_options(${EXECUTABLE_RECOVERY_NAME} PUBLIC
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0 -g3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0 -g3>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3 -fno-rtti>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os -fno-rtti>
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$<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
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)
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@ -902,10 +902,10 @@ target_link_libraries(${EXECUTABLE_RECOVERY_MCUBOOT_NAME} nimble nrf-sdk)
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set_target_properties(${EXECUTABLE_RECOVERY_MCUBOOT_NAME} PROPERTIES OUTPUT_NAME ${EXECUTABLE_RECOVERY_MCUBOOT_FILE_NAME})
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target_compile_definitions(${EXECUTABLE_RECOVERY_MCUBOOT_NAME} PUBLIC "PINETIME_IS_RECOVERY")
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target_compile_options(${EXECUTABLE_RECOVERY_MCUBOOT_NAME} PUBLIC
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0 -g3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0 -g3>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3 -fno-rtti>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os -fno-rtti>
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$<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
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)
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@ -939,10 +939,10 @@ add_executable(${EXECUTABLE_RECOVERYLOADER_NAME} ${RECOVERYLOADER_SOURCE_FILES})
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target_link_libraries(${EXECUTABLE_RECOVERYLOADER_NAME} nrf-sdk)
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set_target_properties(${EXECUTABLE_RECOVERYLOADER_NAME} PROPERTIES OUTPUT_NAME ${EXECUTABLE_RECOVERYLOADER_FILE_NAME})
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target_compile_options(${EXECUTABLE_RECOVERYLOADER_NAME} PUBLIC
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0 -g3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0 -g3>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3 -fno-rtti>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os -fno-rtti>
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$<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
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)
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target_include_directories(${EXECUTABLE_RECOVERYLOADER_NAME} PUBLIC
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@ -972,10 +972,10 @@ add_executable(${EXECUTABLE_MCUBOOT_RECOVERYLOADER_NAME} ${RECOVERYLOADER_SOURCE
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target_link_libraries(${EXECUTABLE_MCUBOOT_RECOVERYLOADER_NAME} nrf-sdk)
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set_target_properties(${EXECUTABLE_MCUBOOT_RECOVERYLOADER_NAME} PROPERTIES OUTPUT_NAME ${EXECUTABLE_MCUBOOT_RECOVERYLOADER_FILE_NAME})
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target_compile_options(${EXECUTABLE_MCUBOOT_RECOVERYLOADER_NAME} PUBLIC
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0 -g3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0 -g3>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3>
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$<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3 -fno-rtti>
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$<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os -fno-rtti>
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$<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
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)
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target_include_directories(${EXECUTABLE_MCUBOOT_RECOVERYLOADER_NAME} PUBLIC
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@ -153,7 +153,7 @@ void DisplayApp::Refresh() {
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break;
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case Messages::TimerDone:
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if (currentApp == Apps::Timer) {
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auto *timer = dynamic_cast<Screens::Timer*>(currentScreen.get());
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auto *timer = static_cast<Screens::Timer*>(currentScreen.get());
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timer->setDone();
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} else {
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LoadApp(Apps::Timer, DisplayApp::FullRefreshDirections::Down);
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