openssl build commands: 1.0.2 ./config --prefix=/home/jdc/curl/install/openssl shared make make install curl build commands Linux: 7.41.0 ./configure --prefix=/home/jdc/curl/install/curl --with-ssl=/home/jdc/curl/install/openssl --disable-shared --enable-static make make install curl build command Windows: 7.35.0 + VC12_32bit cd curl-7.35.0\winbuild nmake /f makefile.vc mode=static VC=10 tclcurl build commands Linux: tclsh build.tcl debug -static -curl /home/jdc/install/curl-7.41.0 -openssl /home/jdc/install/openssl tclcurl build command Windows: c:\tmp\tclcurl\tclcurl>c:\tcl\bin\tclsh86.exe build.tcl install -static -curl C:\tmp\tclcurl\curl-7.35.0\builds\libcurl-vc10-x86-release-static-ipv6-sspi-spnego -winssl