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warning: unknown attribute 'error' ignored: __attribute__((error(""))) #9

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jgfoster opened this issue Feb 15, 2021 · 0 comments
Open

warning: unknown attribute 'error' ignored: __attribute__((error(""))) #9

jgfoster opened this issue Feb 15, 2021 · 0 comments

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@jgfoster
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jgfoster commented Feb 15, 2021 •
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Code appears to compile correctly with the Arduino CLI compiler but not with the arduino_ci compiler. See https://gcc.gnu.org/onlinedocs/gcc-4.7.2/gcc/Function-Attributes.html.

Changing cpp_library.rb:497 from -std=c++0x to -std=c++11 solves this problem. See Arduino-CI/arduino_ci#146.

Furthermore, this is only a warning and if there are no errors then it is silently ignored so we can proceed.
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