Packaging improvements for 0.2.0 (#199)

Based off of #198 but nightly specific changes were dropped.

Signed-off-by: Edward Z. Yang <ezyang@fb.com>

Author: ezyang

build_tools/packaging/wheel/build_from_source.sh

@@ -28,6 +28,8 @@ popd
 
 # build mad, statically
 pushd libmad-0.15.1b
+# See https://stackoverflow.com/a/12864879/23845
+sed -i.bak 's/-march=i486//' configure
 ./configure --disable-shared --enable-static --prefix="$PREFIX/audio/third_party/mad" CFLAGS=-fPIC CXXFLAGS=-fPIC \
     --with-pic --disable-debug --disable-dependency-tracking
 make -s -j && make install

build_tools/packaging/wheel/linux_manywheel.sh

@@ -27,13 +27,15 @@ export PREFIX="/tmp"
 cd /tmp/audio
 
 for PYDIR in "${python_installations[@]}"; do
-    # wheels for numba does not work with python 2.7
-    if [[ "$PYDIR" == "/opt/python/cp27-cp27m/" || "$PYDIR" == "/opt/python/cp27-cp27mu/" ]]; then
-      continue;
-    fi
     export PATH=$PYDIR/bin:$OLD_PATH
+    # For true hermetic builds, you ought to be constructing the docker
+    # from scratch each time.  But this makes things marginally safer if
+    # you aren't doing this.
+    pip uninstall -y torch || true
     pip install --upgrade pip
-    pip install -r requirements.txt
+    pip install numpy future torch
+    # NB: do not actually install requirements.txt; that is only needed for
+    # testing
     IS_WHEEL=1 python setup.py clean
     IS_WHEEL=1 python setup.py bdist_wheel
     mkdir -p $OUT_DIR

build_tools/packaging/wheel/osx_wheel.sh

@@ -1,7 +1,7 @@
-if [[ ":$PATH:" == *"conda"* ]]; then
-    echo "existing anaconda install in PATH, remove it and run script"
-    exit 1
-fi
+#!/bin/bash
+
+set -ex
+
 # download and activate anaconda
 rm -rf ~/minconda_wheel_env_tmp
 wget -q https://repo.anaconda.com/miniconda/Miniconda3-latest-MacOSX-x86_64.sh && \
@@ -40,8 +40,7 @@ do
     conda create -yn $env_name python="$desired_python"
     conda activate $env_name
 
-     # install torchaudio dependencies
-    pip install -r requirements.txt
+    pip install torch numpy future
 
     IS_WHEEL=1 python setup.py clean
     IS_WHEEL=1 python setup.py bdist_wheel