回帖：感谢楼主分享.....
另请教一下：
我用D:\Qt\Qt5.12.2\Tools\mingw730_32\bin来编译OpenSSL通不过咧？
OpenSSL-1.0.2o\sources>ms\mingw32.bat -no-asm
好象大致是这种的错误：
In file included from C:/Strawberry/c/i686-w64-mingw32/include/windows.h:95:0,
from outinc/openssl/rand.h:67,
from .\crypto\err\err_all.c:92:
outinc/openssl/ocsp.h:566:33: error: expected declaration specifiers or '...' before '(' token
int OCSP_REQUEST_print(BIO *bp, OCSP_REQUEST *a, unsigned long flags);