LIBUV_ROOT override for win32

emit PIC code (.reloc) on win32 for aslr

CMakeLists.txt

@@ -255,7 +255,9 @@ if(SUBMODULE_CHECK)
     check_submodule(external/ghc-filesystem)
     check_submodule(external/date)
     check_submodule(external/pybind11)
-    check_submodule(external/libuv)
+    if (NOT WIN32) # we grab libuv for windows separately in win32-setup/libuv. see note in cmake/win32.cmake.
+      check_submodule(external/libuv)
+    endif()
   endif()
 endif()
 

cmake/win32.cmake

@@ -28,8 +28,17 @@ if (NOT STATIC_LINK AND NOT MSVC)
   message("for release builds, turn on STATIC_LINK in cmake options")
 endif()
 
+# win32 is the last platform for which we grab libuv manually
+# if you want to use the included submodule do
+# cmake .. -G Ninja -DLIBUV_ROOT=../external/libuv.
+# otherwise grab mine (github.com/despair86/libuv.git) if you need to run on older hardware
+# and clone to win32-setup/libuv
+# then
+# cmake .. -G Ninja -DLIBUV_ROOT=../win32-setup/libuv
+# it is literally upward compatible with current windows 10
 if (STATIC_LINK)
   set(LIBUV_USE_STATIC ON)
+  link_libraries( -static-libstdc++ -static-libgcc -static -Wl,--image-base=0x10000,--large-address-aware,--dynamicbase,--pic-executable,-e,_mainCRTStartup,--subsystem,console:5.00 )
 endif()
 
 if(LIBUV_ROOT)