passing argument 3 of ‘wtk_hlv_rec_init’ discards ‘const’ qualifier from pointer target type

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-Werror，编译出现如下错误：

src/wtk/exam/wtk_ndx.c:154:6: error: passing argument 3 of ‘wtk_hlv_rec_init’ discards ‘const’ qualifier from pointer target type [-Werror]
ret = wtk_hlv_rec_init(&(nd->rec_hd), &(cfg->rec_hd), nd->hmmset, 0.02f);
^
In file included from src/wtk/exam/wtk_ndx.h:13:0,
from src/wtk/exam/wtk_ndx.c:13:

函数申明： int wtk_hlv_rec_init(wtk_hlv_rec_t* r, const wtk_hlv_rec_cfg_t* cfg, wtk_hmmset_t *hs, double frame_dur);

nd->hmmset为常量

解决办法:1）修改函数申明          int wtk_hlv_rec_init(wtk_hlv_rec_t* r, const wtk_hlv_rec_cfg_t* cfg, const wtk_hmmset_t *hs, double frame_dur);

                2）使用时强制转换     wtk_hlv_rec_init(&(nd->rec_hd), &(cfg->rec_hd), (wtk_hmm_t *)nd->hmmset, 0.02f);

passing argument 3 of ‘wtk_hlv_rec_init’ discards ‘const’ qualifier from pointer target type

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原文地址：http://www.cnblogs.com/tibetanmastiff/p/5408597.html