Merge pull request #2024 from OpenMW/update_recast

fix msvc warnings with recast

extern/recastnavigation/.id

@@ -1 +1 @@
-7bfd9a1d4caccf61e0485b2b05b29966348a8b39
+3087e805b02d5eb8fff7851234fa2b3f71290eba

extern/recastnavigation/Recast/Include/RecastAlloc.h

@@ -66,6 +66,7 @@ void rcFree(void* ptr);
 /// and STL.
 struct rcNewTag {};
 inline void* operator new(size_t, const rcNewTag&, void* p) { return p; }
+inline void operator delete(void*, const rcNewTag&, void*) {}
 
 /// Signed to avoid warnnings when comparing to int loop indexes, and common error with comparing to zero.
 /// MSVC2010 has a bug where ssize_t is unsigned (!!!).

extern/recastnavigation/RecastDemo/premake5.lua

@@ -41,8 +41,7 @@ solution "recastnavigation"
 		-- warnings "Extra" uses /W4 which is too aggressive for us, so use W3 instead.
 		-- Disable:
 		-- * C4351: new behavior for array initialization
-		-- * C4291: no matching operator delete found; we don't use exceptions, so doesn't matter
-		buildoptions { "/W3", "/wd4351", "/wd4291" }
+		buildoptions { "/W3", "/wd4351" }
 
 	filter "platforms:Win32"
 		architecture "x32"
@@ -170,7 +169,7 @@ project "RecastDemo"
 		}
 		postbuildcommands {
 			-- Copy the SDL2 dll to the Bin folder.
-			'{COPY} "%{wks.location}../../Contrib/SDL/lib/%{cfg.architecture:gsub("x86_64", "x64")}/SDL2.dll" "%{cfg.targetdir}"'
+			'{COPY} "%{path.getabsolute("Contrib/SDL/lib/" .. cfg.architecture:gsub("x86_64", "x64") .. "/SDL2.dll")}" "%{cfg.targetdir}"'
 		}
 
 	-- mac includes and libs