【Linux】解决"no member named 'max_align_t'

编译遇到错误：

/usr/bin/../lib/gcc/x86_64-linux-gnu/5.4.1/../../../../include/c++/5.4.1/cstddef:51:11: error: no member named 'max_align_t' in the global namespace using ::max_align_t;

修改头文件stddef.h：

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#if __STDC_VERSION__ >= 201112L || __cplusplus >= 201103L typedef struct {   long long __clang_max_align_nonce1       __attribute__((__aligned__(__alignof__(long long))));   long double __clang_max_align_nonce2       __attribute__((__aligned__(__alignof__(long double)))); } max_align_t; #define __CLANG_MAX_ALIGN_T_DEFINED #endif