v4, travis-ci: add 2 mingw "build only" configurations

Inspired by
https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg13032.h
tml
build options are taken from regular windows installer builds

Signed-off-by: Ilya Shipitsin <chipitsine@gmail.com>
Acked-by: Steffan Karger <steffan@karger.me>
Message-Id: <1494007697-6882-1-git-send-email-chipitsine@gmail.com>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg14542.html
Signed-off-by: David Sommerseth <davids@openvpn.net>

2 files changed, 123 insertions, 5 deletions

diff --git a/.travis/build-check.sh b/.travis/build-check.sh
new file mode 100755
index 0000000..74f3ae1
--- /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