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unlock_indicator.c: fix build failure against gcc-10 #259

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merged 1 commit into from Jan 25, 2020
Merged

unlock_indicator.c: fix build failure against gcc-10 #259

merged 1 commit into from Jan 25, 2020

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trofi
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@trofi trofi commented Jan 25, 2020

On gcc-10 (and gcc-9 -fno-common) build fails as:

  CCLD     i3lock
ld: i3lock-unlock_indicator.o:i3lock/unlock_indicator.c:38:
  multiple definition of `input_position'; i3lock-i3lock.o:i3lock/i3lock.c:69: first defined here
ld: i3lock-unlock_indicator.o:(.bss+0x102): multiple definition of `__odr_asan.input_position'; i3lock-i3lock.o:(.bss+0x92b): first defined here

gcc-10 will change the default from -fcommon to fno-common:
https://gcc.gnu.org/PR85678.

The error also happens if CFLAGS=-fno-common passed explicitly.

Reported-by: Hans de Graaff
Bug: https://bugs.gentoo.org/706286

On gcc-10 (and gcc-9 -fno-common) build fails as:

```
  CCLD     i3lock
ld: i3lock-unlock_indicator.o:i3lock/unlock_indicator.c:38:
  multiple definition of `input_position'; i3lock-i3lock.o:i3lock/i3lock.c:69: first defined here
ld: i3lock-unlock_indicator.o:(.bss+0x102): multiple definition of `__odr_asan.input_position'; i3lock-i3lock.o:(.bss+0x92b): first defined here
```

gcc-10 will change the default from -fcommon to fno-common:
https://gcc.gnu.org/PR85678.

The error also happens if CFLAGS=-fno-common passed explicitly.

Reported-by: Hans de Graaff
Bug: https://bugs.gentoo.org/706286
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
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Thanks

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2 participants