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Add errors on invalid/missing function return type (#8165)

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GCC 10.x seems to have a knack for crashing when a function which is declared
to return a value does not.  Add a warning, present on all builds, when this
is the case.  For more info see https://github.com/esp8266/Arduino/discussions/8160

Thanks to @hreintke and @mcspr for the tips.
This commit is contained in:
Earle F. Philhower, III
2021-06-24 12:44:57 -07:00
committed by GitHub
parent d3136738ad
commit 90b4c6f299
2 changed files with 6 additions and 5 deletions
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tools/platformio-build.py
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@ -62,6 +62,7 @@ env.Append(
"-std=gnu17",
"-Wpointer-arith",
"-Wno-implicit-function-declaration",
"-Werror=return-type",
"-Wl,-EL",
"-fno-inline-functions",
"-nostdlib"