try to make some windows

.travis.yml

@@ -12,42 +12,46 @@ matrix:
     dist: xenial
     env: DOCKER_FILE=docker/router.Dockerfile
     services: docker
-  # - os: linux
-  #   dist: xenial
-  #   compiler: gcc
-  #   env: BUILD_TYPE=Release
-  # - os: linux
-  #   dist: xenial
-  #   compiler: clang
-  #   env: BUILD_TYPE=Debug
-  # - os: linux
-  #   dist: xenial
-  #   compiler: clang
-  #   env: BUILD_TYPE=Release
-  # - os: osx
-  #   osx_image: xcode10.2
-  #   compiler: gcc
-  #   env: BUILD_TYPE=Debug
-  # - os: osx
-  #   osx_image: xcode10.2
-  #   compiler: gcc
-  #   env: BUILD_TYPE=Release
-  # - os: osx
-  #   osx_image: xcode10.2
-  #   env: BUILD_TYPE=Debug PATH="/usr/local/opt/ccache/libexec:$PATH"
-  # - os: osx
-  #   osx_image: xcode10.2
-  #   env: BUILD_TYPE=Release PATH="/usr/local/opt/ccache/libexec:$PATH"
-  # - os: osx
-  #   osx_image: xcode11
-  #   env: BUILD_TYPE=Release PATH="/usr/local/opt/ccache/libexec:$PATH"
-  # - os: osx
-  #   osx_image: xcode10.2
-  #   env: BUILD_TYPE=Release PATH="/usr/local/opt/ccache/libexec:$PATH" CC=/usr/local/opt/llvm/bin/clang CXX=/usr/local/opt/llvm/bin/clang++
-  # - os: windows
-  #   env: BUILD_TYPE=Debug
-  # - os: windows
-  #   env: BUILD_TYPE=Release
+  - os: linux
+    dist: xenial
+    compiler: gcc
+    env: MAKE_TARGET=windows BUILD_TYPE=Release
+  - os: linux
+    dist: xenial
+    compiler: gcc
+    env: BUILD_TYPE=Release
+  - os: linux
+    dist: xenial
+    compiler: clang
+    env: BUILD_TYPE=Debug
+  - os: linux
+    dist: xenial
+    compiler: clang
+    env: BUILD_TYPE=Release
+  - os: osx
+    osx_image: xcode10.2
+    compiler: gcc
+    env: BUILD_TYPE=Debug
+  - os: osx
+    osx_image: xcode10.2
+    compiler: gcc
+    env: BUILD_TYPE=Release
+  - os: osx
+    osx_image: xcode10.2
+    env: BUILD_TYPE=Debug PATH="/usr/local/opt/ccache/libexec:$PATH"
+  - os: osx
+    osx_image: xcode10.2
+    env: BUILD_TYPE=Release PATH="/usr/local/opt/ccache/libexec:$PATH"
+  - os: osx
+    osx_image: xcode11
+    env: BUILD_TYPE=Release PATH="/usr/local/opt/ccache/libexec:$PATH"
+  - os: osx
+    osx_image: xcode10.2
+    env: BUILD_TYPE=Release PATH="/usr/local/opt/ccache/libexec:$PATH" CC=/usr/local/opt/llvm/bin/clang CXX=/usr/local/opt/llvm/bin/clang++
+  - os: windows
+    env: BUILD_TYPE=Debug
+  - os: windows
+    env: BUILD_TYPE=Release
 
 env:
   global:
@@ -62,9 +66,13 @@ addons:
     - cmake
     - curl
     - docker-ce
+    - g++-mingw-w64
+    - g++-mingw-w64-x86-64
+    - gcc-mingw-w64-base
     - git
     - libcap-dev
     - libuv1-dev
+    - mingw-w64 mingw-w64-common
     - ninja-build
   homebrew:
     packages:
@@ -89,7 +97,7 @@ script:
     elif [[ ! -z $DOCKER_FILE ]]; then
       docker build -f $DOCKER_FILE .;
     else
-      make test;
+      make ${MAKE_TARGET:-test};
     fi
 
 after_script:

Makefile

@@ -83,7 +83,7 @@ CMAKE_GEN ?= Unix Makefiles
 
 
 ifdef NINJA
-	MAKE = $(NINJA) -k0
+	MAKE = $(NINJA)
 	CMAKE_GEN = Ninja
 endif
 

cmake/win32.cmake

@@ -6,10 +6,11 @@ enable_language(RC)
 set(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES} -lshlwapi")
 
 set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
-add_compile_options(/EHca /arch:AVX2 /MD)
-add_definitions(-D_SILENCE_CXX17_OLD_ALLOCATOR_MEMBERS_DEPRECATION_WARNING)
 
-if(NOT MSVC_VERSION)
+if(MSVC_VERSION)
+  add_compile_options(/EHca /arch:AVX2 /MD)
+  add_definitions(-D_SILENCE_CXX17_OLD_ALLOCATOR_MEMBERS_DEPRECATION_WARNING)
+else()
   add_compile_options($<$<COMPILE_LANGUAGE:C>:-Wno-bad-function-cast>)
   add_compile_options($<$<COMPILE_LANGUAGE:C>:-Wno-cast-function-type>)
   # unlike unix where you get a *single* compiler ID string in .comment

contrib/cross/mingw.cmake

@@ -1,5 +1,6 @@
 set(CMAKE_SYSTEM_NAME Windows)
 set(TOOLCHAIN_PREFIX x86_64-w64-mingw32)
+set(TOOLCHAIN_SUFFIX posix)
 
 add_definitions("-DWINNT_CROSS_COMPILE")
 
@@ -14,12 +15,14 @@ set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
 
 # cross compilers to use
 if($ENV{COMPILER} MATCHES "clang")
-set(USING_CLANG ON)
-set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}-clang)
-set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}-clang++)
+    set(USING_CLANG ON)
+    set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}-clang)
+    set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}-clang++)
 else()
-set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}-gcc)
-set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}-g++)
+    set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}-gcc-${TOOLCHAIN_SUFFIX})
+    set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}-g++-${TOOLCHAIN_SUFFIX})
+    add_compile_options("-Wa,-mbig-obj")
+    set(FS_LIB stdc++fs)
 endif()
 
 set(CMAKE_RC_COMPILER ${TOOLCHAIN_PREFIX}-windres)

docker/debian-windows.Dockerfile

@@ -0,0 +1,10 @@
+FROM debian:stable
+
+RUN apt update && \
+    apt install -y build-essential cmake git libcap-dev curl ninja-build libuv1-dev g++-mingw-w64 gcc-mingw-w64-base g++-mingw-w64-x86-64 mingw-w64 mingw-w64-common
+
+WORKDIR /src/
+
+COPY . /src/
+
+RUN make windows NINJA=ninja

llarp/util/fs.hpp

@@ -8,10 +8,7 @@
 #define PATH_SEP "/"
 #endif
 
-#ifdef WIN32
-#include <filesystem>
-namespace fs = std::filesystem;
-#elif defined(LOKINET_USE_CPPBACKPORT)
+#if defined(LOKINET_USE_CPPBACKPORT)
 #include <filesystem.h>
 namespace fs = cpp17::filesystem;
 #else

llarp/util/threading.hpp

@@ -5,7 +5,7 @@
 #include <absl/synchronization/mutex.h>
 #include <absl/time/time.h>
 
-#ifdef WIN32
+#if defined(WIN32) && !defined(__GNUC__)
 #include <process.h>
 using pid_t = int;
 #else

vendor/abseil-cpp/absl/synchronization/internal/waiter.h

@@ -19,7 +19,7 @@
 #include "absl/base/config.h"
 
 #ifdef _WIN32
-#include <Windows.h>
+#include <windows.h>
 #else
 #include <pthread.h>
 #endif
@@ -131,12 +131,12 @@ class Waiter {
   std::atomic<int> wakeup_count_;
 
 #else
-  #error Unknown ABSL_WAITER_MODE
+#error Unknown ABSL_WAITER_MODE
 #endif
 };
 
 }  // namespace synchronization_internal
-}  // inline namespace lts_2018_12_18
+}  // namespace lts_2018_12_18
 }  // namespace absl
 
 #endif  // ABSL_SYNCHRONIZATION_INTERNAL_WAITER_H_