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ESP8266 build.opt missing fix #14

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ESP8266 build.opt missing fix #14

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5 changes: 5 additions & 0 deletions Arduino-toolchain.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -94,6 +94,11 @@ set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
# Workaround for CMAKE_TRY_COMPILE_TARGET_TYPE. For later ESP32 cores this file is missing
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/build_opt.h" "")

if (NOT EXISTS "${CMAKE_BINARY_DIR}/core/build.opt")
file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/core)
file(TOUCH ${CMAKE_BINARY_DIR}/core/build.opt)
endif()

# Do not try to link during the configure time, due to the dependency on the
# core, which we do not have a target yet.
set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
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