Make wheel build fail more quickly if anything goes wrong along the way.

tools/manylinux/build-wheels.sh

@@ -27,7 +27,7 @@ build_wheel() {
 run_tests() {
     # Install packages and test
     for PYBIN in /opt/python/*/bin/; do
-        ${PYBIN}/python -m pip install $PACKAGE --no-index -f /io/$WHEELHOUSE
+        ${PYBIN}/python -m pip install $PACKAGE --no-index -f /io/$WHEELHOUSE || exit 1
 
         # check import as a quick test
         (cd $HOME; ${PYBIN}/python -c 'import lxml.etree, lxml.objectify')
@@ -36,7 +36,7 @@ run_tests() {
 
 prepare_system() {
     #yum install -y zlib-devel
-    rm -fr /opt/python/cp34-*
+    #rm -fr /opt/python/cp34-*
     echo "Python versions found: $(cd /opt/python && echo cp* | sed -e 's|[^ ]*-||g')"
     ${CC:-gcc} --version
 }
@@ -60,13 +60,13 @@ build_wheels() {
         if [ "$(uname -m)" == "aarch64" ]; then FIRST=$THIRD; else FIRST=$SECOND; fi
         SECOND=$THIRD
     done
-    wait
+    wait || exit 1
 }
 
 repair_wheels() {
     # Bundle external shared libraries into the wheels
     for whl in /io/$WHEELHOUSE/${SDIST_PREFIX}-*.whl; do
-        auditwheel repair $whl -w /io/$WHEELHOUSE
+        auditwheel repair $whl -w /io/$WHEELHOUSE || exit 1
     done
 }