On 02.08.2016 03:09, Eric Tang wrote:
Hi avr-gcc mailing list,
I think I have discovered a minor bug. I get the "initializer element is
not constant" error when I try to compile the following code with avr-gcc.
If I remove the cast, the code compiles without issue. However, its
presence does not cause a similar error when I try to compile the code with
Clang or with arm-none-eabi-gcc, leading me to believe that there is in
fact a bug and that it is specific to avr-gcc.
struct color {
uint8_t r;
uint8_t g;
uint8_t b;
} color = (struct color){ 255, 255, 255 };
Thanks,
Eric
Just avoid the compound literal and use a vanilla initializer:
struct color {
uint8_t r;
uint8_t g;
uint8_t b;
} color = { 255, 255, 255 };
cf. also GCC's C language extension re. compound literals
https://gcc.gnu.org/onlinedocs/gcc/Compound-Literals.html
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