buildroot compile failed

[Limingzzzzz]

buildroot compile failed with （./utils/brmake）:

2022-01-16T10:33:02 /usr/bin/make all-am 2022-01-16T10:33:02 CC gl_avltree_oset.o 2022-01-16T10:33:02 CC binary-io.o 2022-01-16T10:33:02 CC c-ctype.o 2022-01-16T10:33:02 CC c-stack.o 2022-01-16T10:33:02 CC c-strcasecmp.o 2022-01-16T10:33:02 CC clean-temp.o 2022-01-16T10:33:02 CC cloexec.o 2022-01-16T10:33:02 CC c-strncasecmp.o 2022-01-16T10:33:02 CC close-stream.o 2022-01-16T10:33:02 In file included from /usr/include/signal.h:328, 2022-01-16T10:33:02 from ./signal.h:52, 2022-01-16T10:33:02 from c-stack.c:49: 2022-01-16T10:33:02 c-stack.c:55:26: error: missing binary operator before token "(" 2022-01-16T10:33:02 #elif HAVE_LIBSIGSEGV && SIGSTKSZ < 16384 2022-01-16T10:33:02 ^~~~~~~~ 2022-01-16T10:33:02 CC closein.o 2022-01-16T10:33:02 CC closeout.o 2022-01-16T10:33:02 make[5]: *** [Makefile:1915: c-stack.o] Error 1 2022-01-16T10:33:02 make[5]: *** Waiting for unfinished jobs.... 2022-01-16T10:33:02 make[4]: *** [Makefile:1674: all] Error 2 2022-01-16T10:33:02 make[3]: *** [Makefile:1572: all-recursive] Error 1 2022-01-16T10:33:02 make[2]: *** [Makefile:1528: all] Error 2 2022-01-16T10:33:02 make[1]: *** [package/pkg-generic.mk:250: /home/limingz/cosim/buildroot/output/build/host-m4-1.4.18/.stamp_built] Error 2 2022-01-16T10:33:02 make: *** [Makefile:84: _all] Error 2 Done in 53s (error code: 2)