make error

[pengpenglinghui]

In file included from /home/potato/Desktop/tool/ri5cy_gnu_toolchain/build/src/newlib-gcc/gcc/cp/except.c:1023:0:
cfns.gperf: In function ‘const char* libc_name_p(const char*, unsigned int)’:
cfns.gperf:101:1: error: ‘const char* libc_name_p(const char*, unsigned int)’ redeclared inline with ‘gnu_inline’ attribute
cfns.gperf:26:14: note: ‘const char* libc_name_p(const char*, unsigned int)’ previously declared here
cfns.gperf: At global scope:
cfns.gperf:26:14: warning: inline function ‘const char* libc_name_p(const char*, unsigned int)’ used but never defined
Makefile:1064: recipe for target 'cp/except.o' failed
make[4]: *** [cp/except.o] Error 1
make[4]: Leaving directory '/home/potato/Desktop/tool/ri5cy_gnu_toolchain/build/build-gcc-newlib/gcc'
Makefile:4112: recipe for target 'all-gcc' failed
make[3]: *** [all-gcc] Error 2
make[3]: Leaving directory '/home/potato/Desktop/tool/ri5cy_gnu_toolchain/build/build-gcc-newlib'
Makefile:867: recipe for target 'all' failed
make[2]: *** [all] Error 2
make[2]: Leaving directory '/home/potato/Desktop/tool/ri5cy_gnu_toolchain/build/build-gcc-newlib'
Makefile:214: recipe for target 'stamps/build-gcc-newlib' failed
make[1]: *** [stamps/build-gcc-newlib] Error 2
make[1]: Leaving directory '/home/potato/Desktop/tool/ri5cy_gnu_toolchain/build'
Makefile:28: recipe for target 'build' failed
make: *** [build] Error 2