[FFmpeg-trac] #7102(avfilter:new): Compilation for MIPS with -msoft-float against musl libc fails
FFmpeg
trac at avcodec.org
Thu Mar 22 20:16:28 EET 2018
#7102: Compilation for MIPS with -msoft-float against musl libc fails
-------------------------------------+-------------------------------------
Reporter: gbr | Type: defect
Status: new | Priority: normal
Component: avfilter | Version: git-
Keywords: MIPS fenv.h | master
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
-------------------------------------+-------------------------------------
vf_drawtext.c cannot be compiled for MIPS with software floating-point
support against musl libc.
Build command: gcc -msoft-float ... -c vf_drawtext.c
Error report:
{{{
libavfilter/vf_drawtext.c: In function 'func_eval_expr_int_format':
libavfilter/vf_drawtext.c:947:29: error: 'FE_INVALID' undeclared (first
use in this function); did you mean 'EINVAL'?
if ((ret = fetestexcept(FE_INVALID|FE_OVERFLOW|FE_UNDERFLOW))) {
^~~~~~~~~~
EINVAL
libavfilter/vf_drawtext.c:947:29: note: each undeclared identifier is
reported only once for each function it appears in
libavfilter/vf_drawtext.c:947:40: error: 'FE_OVERFLOW' undeclared (first
use in this function); did you mean 'EOVERFLOW'?
if ((ret = fetestexcept(FE_INVALID|FE_OVERFLOW|FE_UNDERFLOW))) {
^~~~~~~~~~~
EOVERFLOW
libavfilter/vf_drawtext.c:947:52: error: 'FE_UNDERFLOW' undeclared (first
use in this function); did you mean 'FE_OVERFLOW'?
if ((ret = fetestexcept(FE_INVALID|FE_OVERFLOW|FE_UNDERFLOW))) {
^~~~~~~~~~~~
FE_OVERFLOW
}}}
mips/bits/fenv.h contains the following excerpt:
{{{
#ifdef __mips_soft_float
#define FE_ALL_EXCEPT 0
#define FE_TONEAREST 0
#else
#define FE_INEXACT 4
#define FE_UNDERFLOW 8
#define FE_OVERFLOW 16
#define FE_DIVBYZERO 32
#define FE_INVALID 64
#define FE_ALL_EXCEPT 124
#define FE_TONEAREST 0
#define FE_TOWARDZERO 1
#define FE_UPWARD 2
#define FE_DOWNWARD 3
#endif
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/7102>
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