MACOSX_DEPLOYMENT_TARGET=10.14

Summary:
pybind now seems to need C++17 on a mac, so advise people to use it. (Also delete an unused variable to silence a warning I got on a mac build.)

Reported in github issue #68.

Reviewed By: nikhilaravi

Differential Revision: D19970512

fbshipit-source-id: f9be20c8ed425bd6ba8d009a7d62dad658dccdb1

INSTALL.md

@@ -70,5 +70,5 @@ To rebuild after installing from a local clone run, `rm -rf build/ **/*.so` then
 
 **Install from local clone on macOS:**
 ```
-MACOSX_DEPLOYMENT_TARGET=10.9 CC=clang CXX=clang++ pip install -e .
+MACOSX_DEPLOYMENT_TARGET=10.14 CC=clang CXX=clang++ pip install -e .
 ```

packaging/pkg_helpers.bash

@@ -113,7 +113,7 @@ setup_build_version() {
 # Set some useful variables for OS X, if applicable
 setup_macos() {
   if [[ "$(uname)" == Darwin ]]; then
-    export MACOSX_DEPLOYMENT_TARGET=10.9 CC=clang CXX=clang++
+    export MACOSX_DEPLOYMENT_TARGET=10.14 CC=clang CXX=clang++
   fi
 }
 

pytorch3d/csrc/face_areas_normals/face_areas_normals_cpu.cpp

@@ -6,7 +6,6 @@
 std::tuple<at::Tensor, at::Tensor> FaceAreasNormalsCpu(
     at::Tensor verts,
     at::Tensor faces) {
-  const int V = verts.size(0);
   const int F = faces.size(0);
 
   at::Tensor areas = at::empty({F}, verts.options());