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avr: link with the GCC runtime library

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This allows the use of some compiler-generated builtins that are
hopefully compatible with LLVM. Example: println(uint8(foo))

Code size is unchanged normally but of course compiler builtins will
increase code size when actually used (for example with division).
This commit is contained in:
Ayke van Laethem
2018-09-16 14:50:56 +02:00
parent a25e598463
commit 0d8a7e1666
1 changed files with 1 additions and 1 deletions
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targets/arduino.json
+1 -1
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@@ -2,7 +2,7 @@
"llvm-target": "avr-atmel-none",
"build-tags": ["avr", "avr8", "atmega", "atmega328p", "js", "wasm"],
"linker": "avr-gcc",
"pre-link-args": ["-nostdlib", "-T", "targets/avr.ld", "-Wl,--gc-sections", "targets/avr.S"],
"pre-link-args": ["-nostartfiles", "-T", "targets/avr.ld", "-Wl,--gc-sections", "targets/avr.S"],
"objcopy": "avr-objcopy",
"flash": "avrdude -c arduino -p atmega328p -P {port} -U flash:w:{hex}"
}