From d3b0cef35fb284d12546c8069ddb7fb96b68a159 Mon Sep 17 00:00:00 2001
From: Jean Pierre Cimalando <jp-dev@inbox.ru>
Date: Sun, 2 Feb 2020 14:43:39 +0100
Subject: [PATCH 1/4] Travis build with MinGW

---
 .travis.yml                |  5 +++++
 .travis/after_success.sh   |  3 ++-
 .travis/before_install.sh  | 17 +++++++++++++++--
 .travis/discord_webhook.sh |  1 +
 .travis/environment.sh     | 31 +++++++++++++++++++++++++++++++
 .travis/install.sh         |  7 ++++++-
 .travis/script.sh          | 14 ++++++++++----
 .travis/update_dox.sh      |  3 ++-
 8 files changed, 72 insertions(+), 9 deletions(-)
 create mode 100644 .travis/environment.sh

diff --git a/.travis.yml b/.travis.yml
index d8123e45..db37b78e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,11 @@ env:
 
 jobs:
   include:
+  - os:   linux
+    env:
+    - CROSS_COMPILE=mingw32
+    - CONTAINER=cross
+
   - os:   linux
     arch: amd64
     dist: bionic
diff --git a/.travis/after_success.sh b/.travis/after_success.sh
index ee85f9a2..3577bb62 100755
--- a/.travis/after_success.sh
+++ b/.travis/after_success.sh
@@ -1,9 +1,10 @@
 #!/bin/bash
 
 set -ex
+. .travis/environment.sh
 
 cd build
-make install
+buildenv make install
 tar -zcvf "${INSTALL_DIR}.tar.gz" ${INSTALL_DIR}
 mv "${INSTALL_DIR}.tar.gz" ${TRAVIS_BUILD_DIR}
 cd ..
diff --git a/.travis/before_install.sh b/.travis/before_install.sh
index 07707831..772cebfe 100755
--- a/.travis/before_install.sh
+++ b/.travis/before_install.sh
@@ -1,18 +1,31 @@
 #!/bin/bash
 
 set -ex
+. .travis/environment.sh
 
 cmake_dir="cmake-3.13.0-${TRAVIS_OS_NAME}-${TRAVIS_CPU_ARCH}"
 cmake_arc="${cmake_dir}.tar.gz"
 cmake_url="https://github.com/sfztools/cmake/releases/download/${TRAVIS_OS_NAME}/${cmake_arc}"
 
-if [[ ${TRAVIS_OS_NAME} == "linux" ]]; then
+if [[ ${CROSS_COMPILE} == "mingw32" ]]; then
+  buildenv bash -c "echo Hello from container" # ensure to start the container
+  docker cp "$container":/etc/pacman.conf pacman.conf
+  cat >>pacman.conf <<EOF
+[multilib]
+Include = /etc/pacman.d/mirrorlist
+
+[mingw-w64]
+SigLevel = Optional TrustAll
+Server = https://github.com/jpcima/arch-mingw-w64/releases/download/repo.\$arch/
+EOF
+  docker cp pacman.conf "$container":/etc/pacman.conf
+  rm -f pacman.conf
+elif [[ ${TRAVIS_OS_NAME} == "linux" ]]; then
   wget -q ${cmake_url}
   tar xzf ${cmake_arc}
   cd ${TRAVIS_BUILD_DIR}/${cmake_dir}
   sudo cp    bin/*   /usr/local/bin/
   sudo cp -r share/* /usr/local/share/
-  export PATH="/usr/local/bin:$PATH" # FIXME
 elif [[ ${TRAVIS_OS_NAME} == "osx" ]]; then
   sudo ln -s /usr/local /opt/local
   brew update
diff --git a/.travis/discord_webhook.sh b/.travis/discord_webhook.sh
index 6931fba2..a0e217f8 100755
--- a/.travis/discord_webhook.sh
+++ b/.travis/discord_webhook.sh
@@ -1,6 +1,7 @@
 #!/bin/bash
 
 set -ex
+. .travis/environment.sh
 
 # Travis Webhook
 wget https://raw.githubusercontent.com/DiscordHooks/travis-ci-discord-webhook/master/send.sh
diff --git a/.travis/environment.sh b/.travis/environment.sh
new file mode 100644
index 00000000..143c9636
--- /dev/null
+++ b/.travis/environment.sh
@@ -0,0 +1,31 @@
+# ---------------------------------------------------------------------------- #
+# Global environment included from all scripts                                 #
+# ---------------------------------------------------------------------------- #
+
+# add /usr/local/bin to path, for custom cmake installs
+if [[ ${TRAVIS_OS_NAME} == "linux" || ${TRAVIS_OS_NAME} == "osx" ]]; then
+  export PATH="/usr/local/bin:$PATH"
+fi
+
+# buildenv runs a command in host machine or container, depending on build
+if [[ ${CROSS_COMPILE} == "mingw32" ]]; then
+  buildenv() {
+    setup_container archlinux
+    docker exec -w "$(pwd)" -i -t "$container" "$@"
+  }
+else
+  buildenv() {
+    "$@"
+  }
+fi
+
+# create a container based on given image if not existing
+# the container id is persisted in a file across different scripts
+setup_container() {
+    if [ -f ${TRAVIS_BUILD_DIR}/docker-container-id ]; then
+      container=$(cat ${TRAVIS_BUILD_DIR}/docker-container-id)
+    else
+      container=$(docker run -d -i -t -v /home:/home "$1" /bin/bash)
+      echo "$container" > ${TRAVIS_BUILD_DIR}/docker-container-id
+    fi
+}
diff --git a/.travis/install.sh b/.travis/install.sh
index 082c10e5..cda08d97 100755
--- a/.travis/install.sh
+++ b/.travis/install.sh
@@ -1,8 +1,13 @@
 #!/bin/bash
 
 set -ex
+. .travis/environment.sh
 
-if [[ ${TRAVIS_OS_NAME} == "linux" ]]; then
+if [[ ${CROSS_COMPILE} == "mingw32" ]]; then
+  buildenv pacman -Sqy --noconfirm
+  buildenv pacman -Sq --noconfirm base-devel wget mingw-w64-cmake mingw-w64-gcc mingw-w64-pkg-config mingw-w64-libsndfile
+  buildenv i686-w64-mingw32-gcc -v && buildenv i686-w64-mingw32-g++ -v && buildenv i686-w64-mingw32-cmake --version
+elif [[ ${TRAVIS_OS_NAME} == "linux" ]]; then
   sudo apt-get install libasound2-dev libjack-jackd2-dev libsndfile1-dev lv2-dev
   gcc -v && g++ -v && cmake --version && /usr/local/bin/cmake --version && $SHELL --version
 fi
diff --git a/.travis/script.sh b/.travis/script.sh
index 9c9da4a1..11ad9055 100755
--- a/.travis/script.sh
+++ b/.travis/script.sh
@@ -1,16 +1,22 @@
 #!/bin/bash
 
 set -ex
+. .travis/environment.sh
 
 mkdir -p build/${INSTALL_DIR} && cd build
-/usr/local/bin/cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX:PATH=${PWD}/${INSTALL_DIR} ..
 
-if [[ ${TRAVIS_OS_NAME} == "linux" ]]; then
+if [[ ${CROSS_COMPILE} == "mingw32" ]]; then
 
-  make -j$(nproc)
+  buildenv i686-w64-mingw32-cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX:PATH=${PWD}/${INSTALL_DIR} -DSFIZZ_JACK=OFF ..
+  buildenv make -j
+elif [[ ${TRAVIS_OS_NAME} == "linux" ]]; then
+
+  buildenv cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX:PATH=${PWD}/${INSTALL_DIR} ..
+  buildenv make -j$(nproc)
 elif [[ ${TRAVIS_OS_NAME} == "osx" ]]; then
 
-  make -j$(sysctl -n hw.ncpu)
+  buildenv cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX:PATH=${PWD}/${INSTALL_DIR} ..
+  buildenv make -j$(sysctl -n hw.ncpu)
 
 # Xcode not currently supported, see https://gitlab.kitware.com/cmake/cmake/issues/18088
 # xcodebuild -project sfizz.xcodeproj -alltargets -configuration Debug build
diff --git a/.travis/update_dox.sh b/.travis/update_dox.sh
index d36f4683..c316015c 100755
--- a/.travis/update_dox.sh
+++ b/.travis/update_dox.sh
@@ -1,9 +1,10 @@
 #!/bin/bash
 
 set -x # No fail, we need to go back to the original branch at the end
+. .travis/environment.sh
 
 # Build documentation only from Linux x86_64 builds
-if [[ ${TRAVIS_CPU_ARCH} != "amd64" || ${TRAVIS_OS_NAME} != "linux" ]]; then
+if [[ ${TRAVIS_CPU_ARCH} != "amd64" || ${TRAVIS_OS_NAME} != "linux" || "${CROSS_COMPILE}" != "" ]]; then
   exit 0
 fi
 

From e975b35a93a9b5fc01b9f3ac73833ef72a2a1136 Mon Sep 17 00:00:00 2001
From: Jean Pierre Cimalando <jp-dev@inbox.ru>
Date: Sun, 2 Feb 2020 21:25:08 +0100
Subject: [PATCH 2/4] Add MinGW 64-bit

---
 .travis.yml               | 5 +++++
 .travis/before_install.sh | 2 +-
 .travis/environment.sh    | 2 +-
 .travis/install.sh        | 2 +-
 .travis/script.sh         | 4 ++++
 5 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index db37b78e..0c5e7bde 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,6 +10,11 @@ jobs:
     - CROSS_COMPILE=mingw32
     - CONTAINER=cross
 
+  - os:   linux
+    env:
+    - CROSS_COMPILE=mingw64
+    - CONTAINER=cross
+
   - os:   linux
     arch: amd64
     dist: bionic
diff --git a/.travis/before_install.sh b/.travis/before_install.sh
index 772cebfe..28d375f6 100755
--- a/.travis/before_install.sh
+++ b/.travis/before_install.sh
@@ -7,7 +7,7 @@ cmake_dir="cmake-3.13.0-${TRAVIS_OS_NAME}-${TRAVIS_CPU_ARCH}"
 cmake_arc="${cmake_dir}.tar.gz"
 cmake_url="https://github.com/sfztools/cmake/releases/download/${TRAVIS_OS_NAME}/${cmake_arc}"
 
-if [[ ${CROSS_COMPILE} == "mingw32" ]]; then
+if [[ ${CROSS_COMPILE} == "mingw32" || ${CROSS_COMPILE} == "mingw64" ]]; then
   buildenv bash -c "echo Hello from container" # ensure to start the container
   docker cp "$container":/etc/pacman.conf pacman.conf
   cat >>pacman.conf <<EOF
diff --git a/.travis/environment.sh b/.travis/environment.sh
index 143c9636..5cdd5349 100644
--- a/.travis/environment.sh
+++ b/.travis/environment.sh
@@ -8,7 +8,7 @@ if [[ ${TRAVIS_OS_NAME} == "linux" || ${TRAVIS_OS_NAME} == "osx" ]]; then
 fi
 
 # buildenv runs a command in host machine or container, depending on build
-if [[ ${CROSS_COMPILE} == "mingw32" ]]; then
+if [[ ${CROSS_COMPILE} == "mingw32" || ${CROSS_COMPILE} == "mingw64" ]]; then
   buildenv() {
     setup_container archlinux
     docker exec -w "$(pwd)" -i -t "$container" "$@"
diff --git a/.travis/install.sh b/.travis/install.sh
index cda08d97..964170c3 100755
--- a/.travis/install.sh
+++ b/.travis/install.sh
@@ -3,7 +3,7 @@
 set -ex
 . .travis/environment.sh
 
-if [[ ${CROSS_COMPILE} == "mingw32" ]]; then
+if [[ ${CROSS_COMPILE} == "mingw32" || ${CROSS_COMPILE} == "mingw64" ]]; then
   buildenv pacman -Sqy --noconfirm
   buildenv pacman -Sq --noconfirm base-devel wget mingw-w64-cmake mingw-w64-gcc mingw-w64-pkg-config mingw-w64-libsndfile
   buildenv i686-w64-mingw32-gcc -v && buildenv i686-w64-mingw32-g++ -v && buildenv i686-w64-mingw32-cmake --version
diff --git a/.travis/script.sh b/.travis/script.sh
index 11ad9055..0aa5c0f7 100755
--- a/.travis/script.sh
+++ b/.travis/script.sh
@@ -9,6 +9,10 @@ if [[ ${CROSS_COMPILE} == "mingw32" ]]; then
 
   buildenv i686-w64-mingw32-cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX:PATH=${PWD}/${INSTALL_DIR} -DSFIZZ_JACK=OFF ..
   buildenv make -j
+elif [[ ${CROSS_COMPILE} == "mingw64" ]]; then
+
+  buildenv x86_64-w64-mingw32-cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX:PATH=${PWD}/${INSTALL_DIR} -DSFIZZ_JACK=OFF ..
+  buildenv make -j
 elif [[ ${TRAVIS_OS_NAME} == "linux" ]]; then
 
   buildenv cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX:PATH=${PWD}/${INSTALL_DIR} ..

From 49c6390875304160c3d5e52bdc68ecfed2951c63 Mon Sep 17 00:00:00 2001
From: Jean Pierre Cimalando <jp-dev@inbox.ru>
Date: Sun, 2 Feb 2020 21:30:26 +0100
Subject: [PATCH 3/4] Suppress a windows warning

---
 src/sfizz/Config.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/sfizz/Config.h b/src/sfizz/Config.h
index 69bf58b9..4a3a9e9d 100644
--- a/src/sfizz/Config.h
+++ b/src/sfizz/Config.h
@@ -7,7 +7,9 @@
 #pragma once
 #ifdef _WIN32
 // There's a spurious min/max function in MSVC that makes everything go badly...
-#define NOMINMAX
+#ifndef NOMINMAX
+#define NOMINMAX 1
+#endif
 #define _SILENCE_CXX17_OLD_ALLOCATOR_MEMBERS_DEPRECATION_WARNING
 #endif
 #include <cstddef>

From 19de6edd52f52bc620e153aa29abef3d961246ca Mon Sep 17 00:00:00 2001
From: Jean Pierre Cimalando <jp-dev@inbox.ru>
Date: Sun, 2 Feb 2020 21:54:02 +0100
Subject: [PATCH 4/4] Suppress another warning

---
 src/external/ghc/filesystem.hpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/external/ghc/filesystem.hpp b/src/external/ghc/filesystem.hpp
index 7af17abe..4e57b724 100644
--- a/src/external/ghc/filesystem.hpp
+++ b/src/external/ghc/filesystem.hpp
@@ -1578,6 +1578,11 @@ GHC_INLINE std::string systemErrorText(ErrorNumber code = 0)
 using CreateSymbolicLinkW_fp = BOOLEAN(WINAPI*)(LPCWSTR, LPCWSTR, DWORD);
 using CreateHardLinkW_fp = BOOLEAN(WINAPI*)(LPCWSTR, LPCWSTR, LPSECURITY_ATTRIBUTES);
 
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wcast-function-type"
+#endif
+
 GHC_INLINE void create_symlink(const path& target_name, const path& new_symlink, bool to_directory, std::error_code& ec)
 {
     std::error_code tec;
@@ -1613,6 +1618,11 @@ GHC_INLINE void create_hardlink(const path& target_name, const path& new_hardlin
         ec = detail::make_system_error(ERROR_NOT_SUPPORTED);
     }
 }
+
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
+
 #else
 GHC_INLINE void create_symlink(const path& target_name, const path& new_symlink, bool, std::error_code& ec)
 {