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earlephilhowerearlephilhower
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Build LWIP at app compile time, no need for multi
We needed about 6 copies of the LWIP/BT library for each CPU when the lwip library was built as part of the SDK libpico. Remove LWIP from the SDK builds and replace it with the actual LWIP source (linked via `#include`) so we can adjust for IPv4/IPv^/32K/16K at runtime. Shrinks download size of a release significantly. Still need separate LWIP-BT library because the CYW43 driver is different when BT is enabled. Update and clean up the libpico CMakefile and common platform_def.txt Link to config includes, don't copy, where possible
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‎boards.txt

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‎cores/rp2040/lwip/README.md

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‎cores/rp2040/lwip/src/api/api_lib.c

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#include "../../../../../pico-sdk/lib/lwip/src/api/api_lib.c"

‎cores/rp2040/lwip/src/api/api_msg.c

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#include "../../../../../pico-sdk/lib/lwip/src/api/api_msg.c"

‎cores/rp2040/lwip/src/api/err.c

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#include "../../../../../pico-sdk/lib/lwip/src/api/err.c"

‎cores/rp2040/lwip/src/api/if_api.c

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#include "../../../../../pico-sdk/lib/lwip/src/api/if_api.c"

‎cores/rp2040/lwip/src/api/netbuf.c

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#include "../../../../../pico-sdk/lib/lwip/src/api/netbuf.c"

‎cores/rp2040/lwip/src/api/netdb.c

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#include "../../../../../pico-sdk/lib/lwip/src/api/netdb.c"

‎cores/rp2040/lwip/src/api/netifapi.c

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#include "../../../../../pico-sdk/lib/lwip/src/api/netifapi.c"

‎cores/rp2040/lwip/src/api/sockets.c

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#include "../../../../../pico-sdk/lib/lwip/src/api/sockets.c"

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