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esp32/boards: Build using newlib nano formatting functions.

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Saves code size, MicroPython doesn't appear to rely on any of the missing
formatters (64-bit integers, c99-style named arguments).

Signed-off-by: Angus Gratton <angus@redyak.com.au>
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Angus Gratton 2024-07-23 11:41:25 +10:00 committed by Damien George
parent 74d04c0262
commit 10601b04ea
1 changed files with 6 additions and 0 deletions
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6
ports/esp32/boards/sdkconfig.base
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@ -121,3 +121,9 @@ CONFIG_ETH_USE_SPI_ETHERNET=y
CONFIG_ETH_SPI_ETHERNET_W5500=y CONFIG_ETH_SPI_ETHERNET_W5500=y
CONFIG_ETH_SPI_ETHERNET_KSZ8851SNL=y CONFIG_ETH_SPI_ETHERNET_KSZ8851SNL=y
CONFIG_ETH_SPI_ETHERNET_DM9051=y CONFIG_ETH_SPI_ETHERNET_DM9051=y
# Using newlib "nano" formatting saves size on SoCs where "nano" formatting
# functions are in ROM. Note some newer chips (c2,c6) have "full" newlib
# formatting in ROM instead and should override this, check
# ESP_ROM_HAS_NEWLIB_NANO_FORMAT.
CONFIG_NEWLIB_NANO_FORMAT=y