Add job to try and build gpu package in CI

.github/workflows/main.yml

@@ -0,0 +1,40 @@
+name: Build
+on: [push, pull_request]
+#  push:
+#    tags:
+#      - '*'
+jobs:
+  build:
+    name: Build qiskit-aer-gpu wheels
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        name: Install Python
+        with:
+          python-version: '3.7'
+      - name: Install cibuildwheel
+        run: |
+          python -m pip install cibuildwheel==1.5.5
+      - name: Build wheels
+        env:
+          CIBW_BEFORE_ALL: "yum install -y yum-utils wget && wget https://developer.download.nvidia.com/compute/cuda/10.1/Prod/local_installers/cuda-repo-rhel6-10-1-local-10.1.243-418.87.00-1.0-1.x86_64.rpm && rpm -i cuda-repo-rhel6-10-1-local-10.1.243-418.87.00-1.0-1.x86_64.rpm && yum clean all && yum -y install cuda-10-1"
+          CIBW_BEFORE_BUILD: "pip install -U Cython pip virtualenv pybind11"
+          CIBW_SKIP: "cp27-* cp34-* *-manylinux_i686 pp*"
+          CIBW_MANYLINUX_X86_64_IMAGE: "manylinux2010"
+          CIBW_MANYLINUX_I686_IMAGE: "manylinux2010"
+          CIBW_ENVIRONMENT: QISKIT_AER_PACKAGE_NAME=qiskit-aer-gpu AER_THRUST_BACKEND=CUDA
+          CIBW_TEST_COMMAND: "python3 {project}/tools/verify_wheels.py"
+          CIBW_TEST_REQUIRES: "git+https://github.com/Qiskit/qiskit-terra.git"
+        run: |
+          python -m cibuildwheel --output-dir wheelhouse
+      - uses: actions/upload-artifact@v2
+        with:
+          path: ./wheelhouse/*.whl
+#      - name: Publish Wheels
+#        env:
+#          TWINE_PASSWORD: ${{ secrets.TWINE_PASSWORD }}
+#          TWINE_USERNAME: qiskit
+#        run : |
+#          pip install -U twine
+#          twine upload wheelhouse/*

CMakeLists.txt

@@ -178,7 +178,13 @@ endif()
 
 # GPU support through Thrust library (CPU fallbacks)
 # Defaults to TRUE, but if no Thrust backend has been defined, will set to FALSE
-set(AER_THRUST_SUPPORTED TRUE)
+if(NOT DEFINED AER_THRUST_BACKEND)
+    set(AER_THRUST_BACKEND $ENV{AER_THRUST_BACKEND})
+    if(DEFINED AER_THRUST_BACKEND)
+        set(AER_THRUST_SUPPORTED TRUE)
+    endif()
+endif()
+
 if(AER_THRUST_SUPPORTED)
 	if(AER_THRUST_BACKEND STREQUAL "CUDA")
 		message(STATUS "Thrust library: Looking for CUDA backend...")

setup.py

@@ -9,6 +9,8 @@
 import sys
 import inspect
 
+PACKAGE_NAME = os.getenv('QISKIT_AER_PACKAGE_NAME', 'qiskit-aer')
+
 try:
     from conans import client
 except ImportError:
@@ -69,7 +71,7 @@
     README = readme_file.read()
 
 setup(
-    name='qiskit-aer',
+    name=PACKAGE_NAME,
     version=VERSION,
     packages=setuptools.find_namespace_packages(include=['qiskit.*']),
     cmake_source_dir='.',