From abf9544ddc7ab7bd93730abfd97fc8f3bb8d7831 Mon Sep 17 00:00:00 2001
From: Jeff Becker <jeff@i2p.rocks>
Date: Wed, 11 Dec 2019 16:05:40 -0500
Subject: [PATCH] make libuv on win32 work

---
 Makefile          |  8 ++++----
 cmake/win32.cmake | 18 +++++++++++++++++-
 llarp/ev/ev.cpp   | 11 +----------
 3 files changed, 22 insertions(+), 15 deletions(-)

diff --git a/Makefile b/Makefile
index 002faafba..11edf115d 100644
--- a/Makefile
+++ b/Makefile
@@ -236,17 +236,17 @@ android-gradle: android-gradle-prepare
 android: android-gradle
 	cp -f $(ANDROID_DIR)/build/outputs/apk/*.apk $(REPO)
 
-windows-debug-configure: clean
+windows-debug-configure: $(LIBUV_PREFIX)
 	mkdir -p '$(BUILD_ROOT)'
-	$(CONFIG_CMD_WINDOWS) -DCMAKE_TOOLCHAIN_FILE='$(REPO)/contrib/cross/mingw.cmake'  -DCMAKE_BUILD_TYPE=$(BUILD_TYPE) -DCMAKE_ASM_FLAGS='$(ASFLAGS)' -DCMAKE_C_FLAGS='$(CFLAGS)' -DCMAKE_CXX_FLAGS='$(CXXFLAGS)'
+	$(CONFIG_CMD_WINDOWS) -DCMAKE_TOOLCHAIN_FILE='$(REPO)/contrib/cross/mingw.cmake'  -DCMAKE_BUILD_TYPE=$(BUILD_TYPE) -DCMAKE_ASM_FLAGS='$(ASFLAGS)' -DCMAKE_C_FLAGS='$(CFLAGS)' -DCMAKE_CXX_FLAGS='$(CXXFLAGS)' -DLIBUV_ROOT=$(LIBUV_PREFIX)
 
 windows-debug: windows-debug-configure
 	$(MAKE) -C '$(BUILD_ROOT)'
 	cp '$(BUILD_ROOT)/daemon/lokinet.exe' '$(REPO)/lokinet.exe'
 
-windows-release-configure: clean
+windows-release-configure: $(LIBUV_PREFIX)
 	mkdir -p '$(BUILD_ROOT)'
-	$(CONFIG_CMD_WINDOWS) -DCMAKE_TOOLCHAIN_FILE='$(REPO)/contrib/cross/mingw.cmake'  -DCMAKE_BUILD_TYPE=$(BUILD_TYPE) -DCMAKE_ASM_FLAGS='$(ASFLAGS)' -DCMAKE_C_FLAGS='$(CFLAGS)' -DCMAKE_CXX_FLAGS='$(CXXFLAGS)'
+	$(CONFIG_CMD_WINDOWS) -DCMAKE_BUILD_TYPE=Release -DCMAKE_TOOLCHAIN_FILE='$(REPO)/contrib/cross/mingw.cmake'  -DCMAKE_BUILD_TYPE=$(BUILD_TYPE) -DCMAKE_ASM_FLAGS='$(ASFLAGS)' -DCMAKE_C_FLAGS='$(CFLAGS)' -DCMAKE_CXX_FLAGS='$(CXXFLAGS)' -DLIBUV_ROOT=$(LIBUV_PREFIX)
 
 windows-release: windows-release-configure
 	$(MAKE) -C '$(BUILD_ROOT)'
diff --git a/cmake/win32.cmake b/cmake/win32.cmake
index 05dbd7f40..0a5e06db7 100644
--- a/cmake/win32.cmake
+++ b/cmake/win32.cmake
@@ -32,7 +32,7 @@ if(EMBEDDED_CFG)
 endif()
 
 list(APPEND LIBTUNTAP_SRC ${TT_ROOT}/tuntap-windows.c)
-get_filename_component(EV_SRC "llarp/ev/ev_win32.cpp" ABSOLUTE)
+get_filename_component(EV_SRC "llarp/ev/ev_libuv.cpp" ABSOLUTE)
 add_definitions(-DWIN32_LEAN_AND_MEAN -DWIN32 -DWINVER=0x0500)
 set(EXE_LIBS ${STATIC_LIB} ${FS_LIB} ws2_32 iphlpapi)
 
@@ -45,3 +45,19 @@ if (NOT STATIC_LINK_RUNTIME AND NOT MSVC)
   message("must ship compiler runtime libraries with this build: libwinpthread-1.dll, libgcc_s_dw2-1.dll, and libstdc++-6.dll")
   message("for release builds, turn on STATIC_LINK_RUNTIME in cmake options")
 endif()
+
+if (STATIC_LINK_RUNTIME OR STATIC_LINK)
+  set(LIBUV_USE_STATIC ON)
+endif()
+
+if(LIBUV_ROOT)
+  add_subdirectory(${LIBUV_ROOT})
+  set(LIBUV_INCLUDE_DIRS ${LIBUV_ROOT}/include)
+  set(LIBUV_LIBRARY uv_a)
+  add_definitions(-D_LARGEFILE_SOURCE)
+  add_definitions(-D_FILE_OFFSET_BITS=64)
+elseif(NOT LIBUV_IN_SOURCE)
+  find_package(LibUV 1.28.0 REQUIRED)
+endif()
+
+include_directories(${LIBUV_INCLUDE_DIRS})
diff --git a/llarp/ev/ev.cpp b/llarp/ev/ev.cpp
index 1611646d6..2f2426d17 100644
--- a/llarp/ev/ev.cpp
+++ b/llarp/ev/ev.cpp
@@ -8,25 +8,16 @@
 #include <cstring>
 
 // We libuv now
-#ifndef _WIN32
 #include <ev/ev_libuv.hpp>
-#elif defined(_WIN32) || defined(_WIN64) || defined(__NT__)
+#if defined(_WIN32) || defined(_WIN64) || defined(__NT__)
 #define SHUT_RDWR SD_BOTH
 #include <ev/ev_win32.hpp>
-#else
-#error No async event loop for your platform, port libuv to your operating system
 #endif
 
 llarp_ev_loop_ptr
 llarp_make_ev_loop()
 {
-#ifndef _WIN32
   llarp_ev_loop_ptr r = std::make_shared< libuv::Loop >();
-#elif defined(_WIN32) || defined(_WIN64) || defined(__NT__)
-  llarp_ev_loop_ptr r = std::make_shared< llarp_win32_loop >();
-#else
-#error no event loop subclass
-#endif
   r->init();
   r->update_time();
   return r;