chore(ci): Windows docker build fixes

* Fix unit tests not running in windows build
* Fix missing comment ports from old build script

.github/workflows/build-test-deploy.yaml

@@ -326,7 +326,7 @@ jobs:
         with:
           docker_image_name: windows_builder
       - name: Run build
-        run: docker-compose run --rm windows_builder ./windows/cross-compile/build.sh --arch x86_64 --build-type ${{ matrix.build_type }} --src-dir /qtox
+        run: docker-compose run --rm windows_builder ./windows/cross-compile/build.sh --arch x86_64 --build-type ${{ matrix.build_type }} --run-tests --src-dir /qtox
       - name: Upload installer
         uses: actions/upload-artifact@v2
         with:
@@ -398,7 +398,7 @@ jobs:
         with:
           docker_image_name: windows_builder.i686
       - name: Run build
-        run: docker-compose run --rm windows_builder.i686 ./windows/cross-compile/build.sh --arch i686 --build-type ${{ matrix.build_type }} --src-dir /qtox
+        run: docker-compose run --rm windows_builder.i686 ./windows/cross-compile/build.sh --arch i686 --build-type ${{ matrix.build_type }} --run-tests --src-dir /qtox
       - name: Upload installer
         uses: actions/upload-artifact@v2
         with:

buildscripts/build_openssl_windows.sh

@@ -54,7 +54,7 @@ fi
     --openssldir=/windows/ssl \
     shared \
     $OPENSSL_ARCH \
-    --cross-compile-prefix=${ARCH}-w64-mingw32- && \
+    --cross-compile-prefix=${ARCH}-w64-mingw32-
 
 make -j $(nproc)
 make install

buildscripts/build_vpx_windows.sh

@@ -41,6 +41,9 @@ fi
 
 "$(dirname "$0")"/download/download_vpx.sh
 
+# There is a bug in gcc that breaks avx512 on 64-bit Windows https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54412
+# VPX fails to build due to it.
+# This is a workaround as suggested in https://stackoverflow.com/questions/43152633
 if [ "${ARCH}" == "x86_64" ]; then
     ARCH_FLAGS="-fno-asynchronous-unwind-tables"
     VPX_ARCH="x86_64-win64-gcc"

buildscripts/download/download_nsisshellexecasuser.sh

@@ -21,6 +21,7 @@ NSISSHELLEXECASUSER_HASH=8fc19829e144716a422b15a85e718e1816fe561de379b2b5ae87ef9
 
 source "$(dirname "$0")/common.sh"
 
+# Backup: https://web.archive.org/web/20171008011417/http://nsis.sourceforge.net/mediawiki/images/c/c7/ShellExecAsUser.zip
 download_file http://nsis.sourceforge.net/mediawiki/images/c/c7/ShellExecAsUser.zip
 
 if ! check_sha256 "$NSISSHELLEXECASUSER_HASH" ShellExecAsUser.zip; then

buildscripts/download/download_opus.sh

@@ -18,6 +18,7 @@
 set -euo pipefail
 
 OPUS_VERSION=1.3.1
+# https://archive.mozilla.org/pub/opus/SHA256SUMS.txt
 OPUS_HASH=65b58e1e25b2a114157014736a3d9dfeaad8d41be1c8179866f144a2fb44ff9d
 
 source "$(dirname "$0")"/common.sh

buildscripts/patches/vpx.patch

@@ -1,3 +1,6 @@
+Fix VPX not supporting creation of dll
+Modified version of https://aur.archlinux.org/cgit/aur.git/tree/configure.patch?h=mingw-w64-libvpx&id=6d658aa0f4d8409fcbd0f20be2c0adcf1e81a297
+
 diff -ruN libvpx/build/make/configure.sh patched/build/make/configure.sh
 --- libvpx/build/make/configure.sh	2019-02-13 16:56:48.972857636 +0100
 +++ patched/build/make/configure.sh	2019-02-13 16:50:37.995967583 +0100

windows/cross-compile/build.sh

@@ -30,11 +30,13 @@
 
 set -euo pipefail
 
+RUN_TESTS=0
 
 while (( $# > 0 )); do
     case $1 in
         --src-dir) QTOX_SRC_DIR=$2; shift 2 ;;
         --arch) ARCH=$2; shift 2 ;;
+        --run-tests) RUN_TESTS=1; shift ;;
         --build-type) BUILD_TYPE=$2; shift 2;;
         *) "Unexpected argument $1"; exit 1 ;;
     esac
@@ -86,6 +88,7 @@ then
         -DDESKTOP_NOTIFICATIONS=ON \
         -DUPDATE_CHECK=ON \
         -DSTRICT_OPTIONS=ON \
+        -DTEST_CROSSCOMPILING_EMULATOR=wine \
         "$QTOX_SRC_DIR"
 elif [[ "$BUILD_TYPE" == "debug" ]]
 then
@@ -96,6 +99,7 @@ then
         -DDESKTOP_NOTIFICATIONS=ON \
         -DUPDATE_CHECK=ON \
         -DSTRICT_OPTIONS=ON \
+        -DTEST_CROSSCOMPILING_EMULATOR=wine \
         "$QTOX_SRC_DIR"
 fi
 
@@ -105,9 +109,9 @@ mkdir -p "${QTOX_PREFIX_DIR}"
 cp qtox.exe $QTOX_PREFIX_DIR
 cp -r /export/* $QTOX_PREFIX_DIR
 
-# Run tests (only on Travis)
+# Run tests
 set +u
-if [[ -n "$TRAVIS_CI_STAGE" ]]
+if [[ $RUN_TESTS -ne 0 ]]
 then
   export WINEPATH='/export;/windows/bin'
   export CTEST_OUTPUT_ON_FAILURE=1