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avr: Do not use --relax linker option

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The relax option corrupts the compilation on at least some versions of
gcc/binutils (eg, on fedora's avr-gcc 6.2.0 / binutils 2.27) due to
corruption of switch tables that use jump offsets.  This issue is also
the root cause that resulted in commit d67f962a.  Since the --relax
option provides minimal size / performance improvements it can simply
be dropped.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2017-04-02 23:09:10 -04:00
parent 74e15b2eb5
commit 0c3ec7f9a5
1 changed files with 0 additions and 1 deletions

1
src/avr/Makefile

@@ -6,7 +6,6 @@ CROSS_PREFIX=avr-
dirs-y += src/avr lib/pjrc_usb_serial dirs-y += src/avr lib/pjrc_usb_serial
CFLAGS-y += -mmcu=$(CONFIG_MCU) CFLAGS-y += -mmcu=$(CONFIG_MCU)
LDFLAGS-y += -Wl,--relax
# Add avr source files # Add avr source files
src-y += avr/main.c avr/timer.c avr/gpio.c avr/misc.c src-y += avr/main.c avr/timer.c avr/gpio.c avr/misc.c