Win10+vs2019 Community Edition compiling OpenSSL

compile openssl

Environmental preparation

perl Environmental Science
Slow download above , Try this.

nasm Environmental installation
Be careful ： This needs to be manually added to the environment variable PATH Next

openssl-1.1.1m
openssl-3.0.1
Based on these two versions , Other versions may compile differently

Start compilation

64 Bit compilation

perl Configure VC-WIN64A
vcvarsall.bat x64  Or directly  vcvars64.bat
nmake
nmake  test
nmake  install

32 Bit compilation

perl Configure VC-WIN32
vcvarsall.bat x86  Or directly  vcvars32.bat
nmake
nmake  test
nmake  install

Be careful

Name change
since 1.1.0 OpenSSL After the version, the library name is changed as follows
libeay32.dll -> libcrypto.dll
ssleay32.dll -> libssl.dll

libeay32.lib -> libcrypto.lib
ssleay32.lib -> libssl.lib

1.0.2 compile （ The old version ）

Generate libeay32.lib and ssleay32.lib Example

64 position

perl Configure VC-WIN64A no-asm
ms\do_win64a.bat
vcvarsall.bat x64  Or directly  vcvars64.bat
nmake -f  ms\nt.mak  // Generate static libraries 
nmake -f  ms\ntdll.mak // Generate dynamic library 
nmake -f  ms\nt.mak install // install 

32 position

perl Configure VC-WIN32 no-asm
ms\do_ms.bat
vcvarsall.bat x86  Or directly  vcvars32.bat
nmake -f  ms\nt.mak  // Generate static libraries 
nmake -f  ms\ntdll.mak // Generate dynamic library 
nmake -f  ms\nt.mak install // install 

download lib(win platform )

Reference documents

https://github.com/openssl/openssl/blob/master/NOTES-WINDOWS.md#native-builds-using-visual-c++