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BuildingOpenSSL-MinGW

Prerequisites

• Download ans install TDM GCC MinGW Compiler
• Install Perl for Windows and add it to your PATH environment variables. You can get perl for Windows from here
• Download and install MSYS Shell. In the post-build step of the installation, you will be asked for the path of your MinGW installation
• Download the latest OpenSSL sources from the website

Building OpenSSL

Assuming that you have extracted your OpenSSL sources into C:\src\openssl-1.0.2k, Open an MSYS terminal and type:

cd /c/src/openssl-1.0.2k
perl Configure mingw64 no-shared no-asm --prefix=/c/OpenSSL
mingw32-make -j8 depend
mingw32-make -j8
make install

Some notes:

• In some places I have used mingw32-make while in the install stage, I have used make - its not a typo!
• --prefix=/c/OpenSSL means that your OpenSSL will be installed under C:\OpenSSL, you can use other directory ofc
• The above code snippet builds for 64 bit, to build for 32 bit, use this line: perl Configure mingw no-shared no-asm --prefix=/c/OpenSSL