67X SDK编译出错：
make[2]: Entering directory '/home/lanfeiye/workSpace/nt9667x/E93LOD-C1/na51023_bsp_20190819_linux/sample/gm_app'
/opt/ivot/mipsel-24kec-linux-glibc-4.9-2017.08/usr/bin/mipsel-24kec-linux-gnu-gcc -I/home/lanfeiye/workSpace/nt9667x/E93LOD-C1/na51023_bsp_20190819_linux/include -I../lib/include -I. -O2 -fPIC -ffunction-sections -fdata-sections -mdsp -EL -msoft-float -march=24kec -mtune=24kec -fno-builtin -fno-common -Wall -Wundef -Wsign-compare -Wno-missing-braces -Wstrict-prototypes -o encode_force_keyframe encode_force_keyframe.c -L/home/lanfeiye/workSpace/nt9667x/E93LOD-C1/na51023_bsp_20190819_linux/lib -Wl,-rpath-link=/home/lanfeiye/workSpace/nt9667x/E93LOD-C1/na51023_bsp_20190819_linux/lib -lnvtgmi -lnvtcodec -lnvtisp -lnvtevent -lnvtipc -lm -lpthread
/opt/ivot/mipsel-24kec-linux-glibc-4.9-2017.08/usr/bin/../lib/gcc/mipsel-24kec-linux-gnu/4.9.3/../../../../mipsel-24kec-linux-gnu/bin/ld: warning: libc.so.1, needed by /home/lanfeiye/workSpace/nt9667x/E93LOD-C1/na51023_bsp_20190819_linux/lib/libnvtgmi.so, not found (try using -rpath or -rpath-link)
/opt/ivot/mipsel-24kec-linux-glibc-4.9-2017.08/usr/bin/../lib/gcc/mipsel-24kec-linux-gnu/4.9.3/../../../../mipsel-24kec-linux-gnu/bin/ld: warning: libpthread.so.1, needed by /home/lanfeiye/workSpace/nt9667x/E93LOD-C1/na51023_bsp_20190819_linux/lib/libnvtipc.so, not found (try using -rpath or -rpath-link)
/home/lanfeiye/workSpace/nt9667x/E93LOD-C1/na51023_bsp_20190819_linux/lib/libnvtvideosprite.so: undefined reference to `lstat'
collect2: error: ld returned 1 exit status
make[2]: *** [encode_force_keyframe] Error 1
make[1]: *** [all] Error 2
sample: Build finish
Makefile:40: recipe for target 'encode_force_keyframe' failed
make[2]: Leaving directory '/home/lanfeiye/workSpace/nt9667x/E93LOD-C1/na51023_bsp_20190819_linux/sample/gm_app'
Makefile:4: recipe for target 'all' failed
make[1]: Leaving directory '/home/lanfeiye/workSpace/nt9667x/E93LOD-C1/na51023_bsp_20190819_linux/sample'
/opt/ivot/mipsel-24kec-linux-glibc-4.9-2017.08/usr/bin/../lib/gcc/mipsel-24kec-linux-gnu/4.9.3/../../../../mipsel-24kec-linux-gnu/bin/ld: warning: libc.so.1, needed by /home/lanfeiye/workSpace/nt9667x/E93LOD-C1/na51023_bsp_20190819_linux/lib/libnvtgmi.so, not found (try using -rpath or -rpath-link)
/opt/ivot/mipsel-24kec-linux-glibc-4.9-2017.08/usr/bin/../lib/gcc/mipsel-24kec-linux-gnu/4.9.3/../../../../mipsel-24kec-linux-gnu/bin/ld: warning: libpthread.so.1, needed by /home/lanfeiye/workSpace/nt9667x/E93LOD-C1/na51023_bsp_20190819_linux/lib/libnvtipc.so, not found (try using -rpath or -rpath-link)
/home/lanfeiye/workSpace/nt9667x/E93LOD-C1/na51023_bsp_20190819_linux/lib/libnvtvideosprite.so: undefined reference to `lstat'
collect2: error: ld returned 1 exit status
make[2]: *** [encode_force_keyframe] Error 1
make[1]: *** [all] Error 2
Makefile:190: recipe for target 'sample' failed
make: *** [sample] Error 2
提示没发现：na51023_bsp_20190819_linux/lib/libnvtgmi.so 和 na51023_bsp_20190819_linux/lib/libnvtipc.so,以及libnvtvideosprite.so: undefined reference to `lstat'
