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cmake: Handle ESPPORT environment variable correctly 

Closes https://github.com/espressif/esp-idf/issues/2553
This commit is contained in:
Angus Gratton 2018-10-15 10:25:44 +11:00
parent 1ee2bc46ed
commit 897670b0ab
1 changed files with 3 additions and 2 deletions
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5
components/esptool_py/run_esptool.cmake
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@ -17,10 +17,11 @@ endif()
# Note: we can't expand these environment variables in the main IDF CMake build,
# because we want to expand them at flashing time not at CMake runtime (so they can change
# without needing a CMake re-run)
if(NOT ENV{ESPPORT})
set(ESPPORT $ENV{ESPPORT})
if(NOT ESPPORT)
message("Note: esptool.py will search for a serial port. To specify a port, set the ESPPORT environment variable.")
else()
set(port_arg "-p $ENV{ESPPORT}")
set(port_arg "-p ${ESPPORT}")
endif()
set(ESPBAUD $ENV{ESPBAUD})