_FP_ROUND_ZERO is defined as 0 and used as a statemente in macro _FP_ROUND. This generates "error: statement with no effect [-Werror=unused-value]" from gcc. Defining _FP_ROUND_ZERO as (void)0 to fix it. This modification is quoted from glibc 'commit <In libc/:> (8ed1e7d5894000c155acbd06f)' Signed-off-by: Vincent Chen <vincentc@xxxxxxxxxxxxx> --- include/math-emu/soft-fp.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/include/math-emu/soft-fp.h b/include/math-emu/soft-fp.h index 3f284bc..5650c16 100644 --- a/include/math-emu/soft-fp.h +++ b/include/math-emu/soft-fp.h @@ -138,7 +138,7 @@ _FP_FRAC_ADDI_##wc(X, _FP_WORK_ROUND); \ } while (0) -#define _FP_ROUND_ZERO(wc, X) 0 +#define _FP_ROUND_ZERO(wc, X) (void)0 #define _FP_ROUND_PINF(wc, X) \ do { \ -- 1.7.1