git clone https://github.com/libgit2/libgit2.git
cd libgit2
mkdir build
cd build
cmake   -DBUILD_CLAR=OFF -DUSE_HTTPS=OpenSSL -DUSE_SSH=OFF -DWINHTTP=OFF \
        -DOPENSSL_ROOT_DIR=/Users/dave/build/OpenCOR/src/plugins/thirdParty/OpenSSL/ext \
        -DOPENSSL_SSL_LIBRARY=/Users/dave/build/OpenCOR/src/plugins/thirdParty/OpenSSL/ext/lib/libssl.1.0.0.dylib \
        -DOPENSSL_CRYPTO_LIBRARY=/Users/dave/build/OpenCOR/src/plugins/thirdParty/OpenSSL/ext/lib/libcrypto.1.0.0.dylib \
        -DZLIB_INCLUDE_DIR=/Users/dave/build/OpenCOR/src/plugins/thirdParty/zlib/ext/include \
        -DZLIB_LIBRARY=/Users/dave/build/OpenCOR/src/plugins/thirdParty/zlib/ext/lib/libz.1.dylib \
        -G Ninja ..
ninja
$ otool -L libgit2.dylib

libgit2.dylib:
	@rpath/libgit2.28.dylib (compatibility version 28.0.0, current version 0.28.0)
	@rpath/libssl.1.0.0.dylib (compatibility version 1.0.0, current version 1.0.0)
	@rpath/libcrypto.1.0.0.dylib (compatibility version 1.0.0, current version 1.0.0)
	@rpath/libz.1.dylib (compatibility version 1.0.0, current version 1.2.11)
	/usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
	/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1252.250.1)

libgit2.dylib:
	@rpath/libgit2.28.dylib (compatibility version 28.0.0, current version 0.28.0)
	@rpath/libssl.1.0.0.dylib (compatibility version 1.0.0, current version 1.0.0)
	@rpath/libcrypto.1.0.0.dylib (compatibility version 1.0.0, current version 1.0.0)
	@rpath/libz.1.dylib (compatibility version 1.0.0, current version 1.2.11)
	/usr/lib/libz.1.dylib (compatibility version 1.0.0, current version 1.2.11)
	/usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
	/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1252.250.1)