X-Git-Url: https://tinc-vpn.org/git/browse?p=wiki;a=blobdiff_plain;f=examples%2Fcross-compiling-64-bit-windows-binary.mdwn;h=a16acd6cac887fb686349e3f04cb82a6fe7f5693;hp=3e166f363cecff250f0b4d1d3d776d31c9f8b776;hb=HEAD;hpb=98207c4c23c539108def07110fbdebbb12e05699 diff --git a/examples/cross-compiling-64-bit-windows-binary.mdwn b/examples/cross-compiling-64-bit-windows-binary.mdwn index 3e166f3..bb09af1 100644 --- a/examples/cross-compiling-64-bit-windows-binary.mdwn +++ b/examples/cross-compiling-64-bit-windows-binary.mdwn @@ -21,35 +21,26 @@ The idea is simple: There are only a few packages that need to be installed as root to get started: -> sudo apt-get install gcc-mingw32 mingw64 git-core wget -> sudo apt-get build-dep tinc + sudo apt-get install mingw-w64 git-core wget quilt + sudo apt-get build-dep tinc Other Linux distributions may also have 64-bit MinGW packages, use their respective package management tools to install them. Debian installs the cross-compiler -in `/usr/amd64-mingw32msvc/`. Other distributions might install it in another +in `/usr/x86_64-w64-mingw32/`. Other distributions might install it in another directory however. Check in which directory -it is installed, and replace all occurences of `amd64-mingw32msvc` in this +it is installed, and replace all occurences of `x86_64-w64-mingw32` in this example with the correct name from your distribution. -At the time of writing, the gcc-mingw32 package contains the 64-bit compiler as -well, in the future this might be put into its own package. Also, a header file -is missing in the amd64-mingw32msvc include directory, a workaround is to -create a symlink to the otherwise identical 32-bit version of that header file: - -> ln -s ../../i586-mingw32msvc/include/getopt.h /usr/amd64-mingw32msvc/include/getopt.h - ### Setting up the build directory and getting the sources We will create a directory called `mingw64/` in the home directory. We use apt-get and wget to get the required libraries necessary for tinc, and use `git` to get the latest development version of tinc. -> mkdir $HOME/mingw64 -> cd $HOME/mingw64 -> apt-get source liblzo2-dev zlib1g-dev -> wget http://www.openssl.org/source/openssl-1.0.0.tar.gz -> tar xzf openssl-1.0.0.tar.gz -> git clone git://tinc-vpn.org/tinc + mkdir $HOME/mingw64 + cd $HOME/mingw64 + apt-get source liblzo2-dev zlib1g-dev libssl-dev + git clone https://tinc-vpn.org/git/tinc ### Making cross-compilation easy @@ -57,20 +48,22 @@ To make cross-compiling easy, we create a script called `mingw64` that will set up the necessary environment variables so configure scripts and Makefiles will use the 64-bit MinGW version of GCC and binutils: -> mkdir $HOME/bin -> cat >$HOME/bin/mingw64 << EOF -> #!/bin/sh -> export CC=amd64-mingw32msvc-gcc -> export CXX=amd64-mingw32msvc-g++ -> export CPP=amd64-mingw32msvc-cpp -> export RANLIB=amd64-mingw32msvc-ranlib -> export PATH="/usr/amd64-mingw32msvc/bin:$PATH" -> exec "$@" -> EOF + mkdir $HOME/bin + cat >$HOME/bin/mingw64 << 'EOF' + #!/bin/sh + PREFIX=x86_64-w64-mingw32 + export CC=$PREFIX-gcc + export CXX=$PREFIX-g++ + export CPP=$PREFIX-cpp + export RANLIB=$PREFIX-ranlib + export PATH="/usr/x86_64-w64-mingw32/bin:$PATH" + exec "$@" + EOF + chmod u+x $HOME/bin/mingw64 If `$HOME/bin` is not already part of your `$PATH`, you need to add it: -> export PATH="$HOME/bin:$PATH" + export PATH="$HOME/bin:$PATH" We use this script to call `./configure` and `make` with the right environment variables, but only when the `./configure` script doesn't support cross-compilation itself. @@ -84,10 +77,10 @@ time it is needed. Cross-compiling LZO is easy: -> cd $HOME/mingw64/lzo2-2.03 -> ./configure --host=amd64-mingw32msvc -> make -> DESTDIR=$HOME/mingw64 make install + cd $HOME/mingw64/lzo2-2.08 + ./configure --host=x86_64-w64-mingw32 + make + DESTDIR=$HOME/mingw64 make install If it fails with a message about not passing the "ACC" test, create a symlink for the missing getopt.h file as mentioned above. @@ -97,20 +90,19 @@ create a symlink for the missing getopt.h file as mentioned above. Cross-compiling Zlib is also easy, but a plain `make` failed to compile the tests, so we only build the static library here: -> cd $HOME/mingw64/zlib-1.2.3.3.dfsg -> mingw64 ./configure -> mingw64 make libz.a -> DESTDIR=$HOME/mingw64 mingw64 make install + cd $HOME/mingw64/zlib-1.2.8.dfsg + mingw64 ./configure --static + mingw64 make + DESTDIR=$HOME/mingw64 mingw64 make install -### Compiling OpenSSL +### Compiling LibreSSL -Although older versions will not compile, OpenSSL 1.0.0 is easy. -Do not use the `-j` option when compiling OpenSSL, it will break. +Tinc can use either OpenSSL or LibreSSL. The latter is recommended. -> cd $HOME/mingw64/openssl-1.0.0 -> mingw64 ./Configure --openssldir=$HOME/mingw64/usr/local mingw64 -> mingw64 make -> mingw64 make install + cd $HOME/mingw/libressl-2.3.3 + CC=x86_64-w64-mingw32-gcc ./configure --host=x86_64-w64-mingw32 + make + DESTDIR=$HOME/mingw make install ### Compiling tinc @@ -119,7 +111,7 @@ tinc. Since we use a clone of the git repository here, we need to run `autoreconf` first. If you want to cross-compile tinc from a released tarball, this is not necessary. -> cd $HOME/mingw64/tinc -> autoreconf -fsi -> ./configure --host=amd64-mingw32msvc --with-openssl=$HOME/mingw64/usr/local -> make + cd $HOME/mingw64/tinc + autoreconf -fsi + ./configure --host=x86_64-w64-mingw32 --with-zlib=$HOME/mingw64/usr/local + make