About CONFIG_SPIRAM_CACHE_WORKAROUND

[xiruilin]

Hi, There is an error here. When CONFIG_SPIRAM_CACHE_WORKAROUND is defined, the libc-psram-workaround.a and libm-psram-workaround.a libraries should be connected. However, libc.a and libm.a are now connected, which results in reading and writing errors in ESP32 of Revision 1 when using PSRAM (MBEDTLS_ERR_SSL_INVALID_MAC errors in the use of mbedtls). Can you imitate esp-idf/components/newlib/CMakeLists.txt:

if(CONFIG_SPIRAM_CACHE_WORKAROUND)
set(LIBC c-psram-workaround)
set(LIBM m-psram-workaround)
else()
if(CONFIG_NEWLIB_NANO_FORMAT)
set(LIBC c_nano)
else()
set(LIBC c)
endif()
set(LIBM m)
endif()

Thanks!

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