error: 'for' loop initial declarations are only allowed in C99 or C11 mode

[uid89626]

examples/benchmark_arithmetic/benchmark_arithmetic_main.c:32:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode for (int i = 0; i < iters; ++i) { ^ examples/benchmark_arithmetic/benchmark_arithmetic_main.c:32:3: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code

[robrussell]

Adding -std=gnu11 to CCFLAGS in Makefile got me past this error.