Hi,

On 05-05-17 20:08, Ilya Shipitsin wrote:
> Inspired by 
> https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg13032.html
> build options are taken from regular windows installer builds
> 
> Signed-off-by: Ilya Shipitsin <chipits...@gmail.com>
> ---
> v2: moved download/build dependencies into functions, changed cross build
> detection from shell expansion ${CHOST+x} to more recognised -z "${CHOST}",
> which required changing 'set -eux' to 'set -ex'. Added comments to make
> code readable without looking into commit message.
> 
> v3: fixed "trailing whitespaces" found by Samuli Seppänen. Added back "set 
> -u",
> thanks to Steffan Karger. Changed repo manipulation to "apt-add-repository", 
> thanks
> to Nathan Stratton Treadway.
> 
> v4: moved build/test logic into separate script running with "set -eux", 
> thanks
> to Steffan Karger
> 
>  .travis.yml            | 22 ++++++------
>  .travis/build-check.sh | 30 ++++++++++++++++
>  .travis/build-deps.sh  | 98 
> +++++++++++++++++++++++++++++++++++++++++++++++---
>  3 files changed, 135 insertions(+), 15 deletions(-)
>  create mode 100755 .travis/build-check.sh
> 
> diff --git a/.travis.yml b/.travis.yml
> index 3c0aa7d..bb44222 100644
> --- a/.travis.yml
> +++ b/.travis.yml
> @@ -12,6 +12,9 @@ env:
>    global:
>      - JOBS=3
>      - PREFIX="${HOME}/opt"
> +    - TAP_WINDOWS_VERSION=9.21.2
> +    - LZO_VERSION=2.10
> +    - PKCS11_HELPER_VERSION=1.11
>      - MBEDTLS_VERSION="2.4.0"
>      - MBEDTLS_CFLAGS="-I${PREFIX}/include"
>      - MBEDTLS_LIBS="-L${PREFIX}/lib -lmbedtls -lmbedx509 -lmbedcrypto"
> @@ -50,6 +53,12 @@ matrix:
>        os: osx
>        osx_image: xcode7.3
>        compiler: clang
> +    - env: SSLLIB="openssl" CHOST=x86_64-w64-mingw32
> +      os: linux
> +      compiler: ": Win64 build only"
> +    - env: SSLLIB="openssl" CHOST=i686-w64-mingw32
> +      os: linux
> +      compiler: ": Win32 build only"
>    exclude:
>      - compiler: gcc
>  
> @@ -60,6 +69,7 @@ addons:
>        - libpam0g-dev
>        - liblz4-dev
>        - linux-libc-dev
> +      - man2html
>  
>  cache:
>    ccache: true
> @@ -72,16 +82,8 @@ before_install:
>    - if [ "${TRAVIS_OS_NAME}" = "osx" ]; then brew install lzo; fi
>  
>  install:
> +  - if [ ! -z "${CHOST}" ]; then unset CC; fi
>    - .travis/build-deps.sh > build-deps.log 2>&1 || (cat build-deps.log && 
> exit 1)
>  
>  script:
> -  - if [ "${TRAVIS_OS_NAME}" = "linux" ]; then export 
> LD_LIBRARY_PATH="${PREFIX}/lib:${LD_LIBRARY_PATH}"; fi
> -  - if [ "${TRAVIS_OS_NAME}" = "osx"   ]; then export 
> DYLD_LIBRARY_PATH="${PREFIX}/lib:${DYLD_LIBRARY_PATH}"; fi
> -  - autoreconf -vi
> -  - ./configure --with-crypto-library="${SSLLIB}" ${EXTRA_CONFIG} || (cat 
> config.log && exit 1)
> -  - make -j$JOBS
> -  - src/openvpn/openvpn --version || true
> -  - if [ "${TRAVIS_OS_NAME}" = "linux" ]; then ldd src/openvpn/openvpn; fi
> -  - if [ "${TRAVIS_OS_NAME}" = "osx" ]; then otool -L src/openvpn/openvpn; fi
> -  - make check
> -  - $EXTRA_SCRIPT
> +  - .travis/build-check.sh
> diff --git a/.travis/build-check.sh b/.travis/build-check.sh
> new file mode 100755
> index 0000000..5ef8c6c
> --- /dev/null
> +++ b/.travis/build-check.sh
> @@ -0,0 +1,30 @@
> +#!/bin/sh
> +set -eux
> +
> +if [ "${TRAVIS_OS_NAME}" = "linux" ]; then 
> +     export LD_LIBRARY_PATH="${PREFIX}/lib:${LD_LIBRARY_PATH:-}"
> +fi
> +
> +if [ "${TRAVIS_OS_NAME}" = "osx"   ]; then 
> +     export DYLD_LIBRARY_PATH="${PREFIX}/lib:${DYLD_LIBRARY_PATH:-}"
> +fi
> +
> +autoreconf -vi
> +
> +if [ -z ${CHOST+x} ]; then
> +     ./configure --with-crypto-library="${SSLLIB}" ${EXTRA_CONFIG:-} || (cat 
> config.log && exit 1)
> +     make -j$JOBS
> +     src/openvpn/openvpn --version || true
> +     if [ "${TRAVIS_OS_NAME}" = "linux" ]; then ldd src/openvpn/openvpn; fi
> +     if [ "${TRAVIS_OS_NAME}" = "osx" ]; then otool -L src/openvpn/openvpn; 
> fi
> +     make check
> +     ${EXTRA_SCRIPT:-}
> +else
> +     export TAP_CFLAGS="-I${PWD}/tap-windows-${TAP_WINDOWS_VERSION}/include"
> +     export LZO_CFLAGS="-I${PREFIX}/include"
> +     export LZO_LIBS="-L${PREFIX}/lib -llzo2"
> +     export PKCS11_HELPER_LIBS="-L${PREFIX}/lib -lpkcs11-helper"
> +     export PKCS11_HELPER_CFLAGS="-I${PREFIX}/include"
> +     ./configure --with-crypto-library="${SSLLIB}" --host=${CHOST} 
> --build=x86_64-pc-linux-gnu --enable-pkcs11 --disable-plugins || (cat 
> config.log && exit 1)
> +     make -j${JOBS}
> +fi
> diff --git a/.travis/build-deps.sh b/.travis/build-deps.sh
> index 3ffba0b..c5c1188 100755
> --- a/.travis/build-deps.sh
> +++ b/.travis/build-deps.sh
> @@ -4,6 +4,55 @@ set -eux
>  # Set defaults
>  PREFIX="${PREFIX:-${HOME}/opt}"
>  
> +download_tap_windows () {
> +    if [ ! -f "download-cache/tap-windows-${TAP_WINDOWS_VERSION}.zip" ]; then
> +       wget -P download-cache/ \
> +           
> "http://build.openvpn.net/downloads/releases/tap-windows-${TAP_WINDOWS_VERSION}.zip";
> +    fi
> +}
> +
> +download_lzo () {
> +    if [ ! -f "download-cache/lzo-${LZO_VERSION}.tar.gz" ]; then
> +        wget -P download-cache/ \
> +            
> "http://www.oberhumer.com/opensource/lzo/download/lzo-${LZO_VERSION}.tar.gz";
> +    fi
> +}
> +
> +build_lzo () {
> +    if [ "$(cat ${PREFIX}/.lzo-version)" != "${LZO_VERSION}" ]; then
> +        tar zxf download-cache/lzo-${LZO_VERSION}.tar.gz
> +        (
> +            cd "lzo-${LZO_VERSION}"
> +
> +            ./configure --host=${CHOST} --program-prefix='' \
> +                --libdir=${PREFIX}/lib --prefix=${PREFIX} 
> --build=x86_64-pc-linux-gnu
> +            make all install
> +        )
> +        echo "${LZO_VERSION}" > "${PREFIX}/.lzo-version"
> +    fi
> +}
> +
> +download_pkcs11_helper () {
> +    if [ ! -f "pkcs11-helper-${PKCS11_HELPER_VERSION}.tar.bz2" ]; then
> +        wget -P download-cache/ \
> +            
> "http://downloads.sourceforge.net/project/opensc/pkcs11-helper/pkcs11-helper-${PKCS11_HELPER_VERSION}.tar.bz2";
> +    fi
> +}
> +
> +build_pkcs11_helper () {
> +    if [ "$(cat ${PREFIX}/.pkcs11_helper-version)" != 
> "${PKCS11_HELPER_VERSION}" ]; then
> +        tar jxf download-cache/pkcs11-helper-${PKCS11_HELPER_VERSION}.tar.bz2
> +        (
> +            cd "pkcs11-helper-${PKCS11_HELPER_VERSION}"
> +
> +            ./configure --host=${CHOST} --program-prefix='' 
> --libdir=${PREFIX}/lib \
> +                 --prefix=${PREFIX} --build=x86_64-pc-linux-gnu 
> --disable-crypto-engine-gnutls --disable-crypto-engine-nss
> +            make all install
> +         )
> +         echo "${PKCS11_HELPER_VERSION}" > "${PREFIX}/.pkcs11_helper-version"
> +    fi
> +}
> +
>  download_mbedtls () {
>      if [ ! -f "download-cache/mbedtls-${MBEDTLS_VERSION}-apache.tgz" ]; then
>          wget -P download-cache/ \
> @@ -31,7 +80,6 @@ download_openssl () {
>  }
>  
>  build_openssl_linux () {
> -    tar zxf "download-cache/openssl-${OPENSSL_VERSION}.tar.gz"
>      (
>          cd "openssl-${OPENSSL_VERSION}/"
>          ./config shared --openssldir="${PREFIX}" -DPURIFY
> @@ -40,7 +88,6 @@ build_openssl_linux () {
>  }
>  
>  build_openssl_osx () {
> -    tar zxf "download-cache/openssl-${OPENSSL_VERSION}.tar.gz"
>      (
>          cd "openssl-${OPENSSL_VERSION}/"
>          ./Configure darwin64-x86_64-cc shared \
> @@ -49,9 +96,28 @@ build_openssl_osx () {
>      )
>  }
>  
> +build_openssl_mingw () {
> +    (
> +        cd "openssl-${OPENSSL_VERSION}/"
> +
> +        if [ "${CHOST}" = "i686-w64-mingw32" ]; then
> +            export TARGET=mingw
> +        elif [ "${CHOST}" = "x86_64-w64-mingw32" ]; then
> +            export TARGET=mingw64
> +        fi
> +
> +        ./Configure --cross-compile-prefix=${CHOST}- shared \
> +           ${TARGET} no-multilib no-capieng --openssldir="${PREFIX}" 
> -static-libgcc
> +        make install
> +    )
> +}
> +
>  build_openssl () {
>      if [ "$(cat ${PREFIX}/.openssl-version)" != "${OPENSSL_VERSION}" ]; then
> -        if [ "${TRAVIS_OS_NAME}" = "osx" ]; then
> +        tar zxf "download-cache/openssl-${OPENSSL_VERSION}.tar.gz"
> +        if [ ! -z ${CHOST+x} ]; then
> +            build_openssl_mingw
> +        elif [ "${TRAVIS_OS_NAME}" = "osx" ]; then
>              build_openssl_osx
>          elif [ "${TRAVIS_OS_NAME}" = "linux" ]; then
>              build_openssl_linux
> @@ -61,16 +127,25 @@ build_openssl () {
>  }
>  
>  # Enable ccache
> -if [ "${TRAVIS_OS_NAME}" != "osx" ]; then
> +if [ "${TRAVIS_OS_NAME}" != "osx" ] && [ -z ${CHOST+x} ]; then
>      # ccache not available on osx, see:
>      # https://github.com/travis-ci/travis-ci/issues/5567
> +    # also ccache not enabled for cross builds
>      mkdir -p "${HOME}/bin"
>      ln -s "$(which ccache)" "${HOME}/bin/${CC}"
>      PATH="${HOME}/bin:${PATH}"
>  fi
>  
> +if [ ! -z ${CHOST+x} ]; then
> +      #
> +      # openvpn requires at least mingw-gcc-4.9, which is available at 
> xenial repo
> +      #
> +      sudo apt-add-repository "deb http://archive.ubuntu.com/ubuntu xenial 
> main universe"
> +      sudo apt-get update
> +      sudo apt-get -y install dpkg mingw-w64
> +fi
> +
>  # Download and build crypto lib
> -mkdir -p download-cache
>  if [ "${SSLLIB}" = "openssl" ]; then
>      download_openssl
>      build_openssl
> @@ -81,3 +156,16 @@ else
>      echo "Invalid crypto lib: ${SSLLIB}"
>      exit 1
>  fi
> +
> +# Download and build dependencies for mingw cross build
> +# dependencies are the same as in regular windows installer build
> +if [ ! -z ${CHOST+x} ]; then
> +      download_tap_windows
> +      unzip download-cache/tap-windows-${TAP_WINDOWS_VERSION}.zip
> +
> +      download_lzo
> +      build_lzo
> +
> +      download_pkcs11_helper
> +      build_pkcs11_helper
> +fi
> 

Looks good to me now!  ACK.

-Steffan

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