add initial support for manylinux1 artifacts

tools/docker/Makefile

@@ -8,7 +8,8 @@ images: \
 	ubuntu-16.04-image \
 	ubuntu-17.04-image \
 	centos-7-image \
-	debian-9-image
+	debian-9-image \
+	manylinux1-image
 
 images-no-cache: \
 	ubuntu-14.04-image-no-cache \
@@ -148,3 +149,11 @@ centos-7-test: export centos-7-image
 
 centos-7-pypi: export centos-7-image
 	docker run -w /root/or-tools -v `pwd`/export:/export or-tools-centos-7-image:latest /bin/bash -c "git pull; make clean; make python -j 5; make test_python; PYPI_OS=-centos-7 make pypi_export python_examples_archive; cp *.tar.gz /export"
+
+# manylinux1 images
+
+manylinux1-image:
+	docker build -f manylinux1.Dockerfile -t or-tools-manylinux1-image .
+
+manylinux1-pypi3: export manylinux1-image
+	docker run -w /root/or-tools -v `pwd`/export:/export or-tools-manylinux1-image:latest /bin/bash -c "/root/build-manylinux1.sh /root /export"

tools/docker/build-manylinux1.sh

@@ -0,0 +1,107 @@
+#!/bin/bash
+# Build all the wheel artifacts for the platforms supported by manylinux1
+# and export them to the export location.
+#
+# Arguments:
+#
+#   $1 the build process root directory. If not specified as argument,
+#      the env var BUILD_ROOT will be used. If not specified at all, a
+#      default location will be used.
+#
+#   $2 the artifacts export directory. If not specified as argument,
+#      the env var EXPORT_ROOT will be used. If not specified at all, a
+#      default location will be used.
+set -e
+
+if [ -n "$1" ]; then BUILD_ROOT="$1"; fi
+if [ -n "$2" ]; then EXPORT_ROOT="$2"; fi
+
+if [ -z "$BUILD_ROOT" ]
+then
+    echo "\$BUILD_ROOT is not set, using default location: $HOME"
+    BUILD_ROOT="$HOME"
+fi
+
+if [ -z "$EXPORT_ROOT" ]
+then
+    echo "\$EXPORT_ROOT is not set, using default location: ${HOME}/export"
+    EXPORT_ROOT="${HOME}/export"
+fi
+
+mkdir -p ${BUILD_ROOT}
+mkdir -p ${EXPORT_ROOT}
+
+echo "BUILD_ROOT=${BUILD_ROOT}"
+echo "EXPORT_ROOT=${EXPORT_ROOT}"
+
+################################################################################
+
+function build_pypi_archives {
+    # Build all the wheel artifacts assuming that the current 'python'
+    # command is the target interpreter. Please note that in order to
+    # have or-tools correctly detect the target python version, this
+    # function should be run in a virtualenv.
+    # Arguments:
+    #   $1 the or-tools sources root directory
+    #   $2 the artifacts export directory
+    if [ "$#" -ne 2 ]; then
+        echo "build_pypi_archives called with an illegal number of parameters"
+        exit 1  # TODO return error and check it outside
+    fi
+    _SRC_ROOT="$1"
+    _EXPORT_ROOT="$2"
+    # Build
+    cd "$_SRC_ROOT"
+    make third_party
+    ### Fix issue with or-tools makefile not looking for libraries where
+    ### protobuffer has been installed.
+    ### cp -prv dependencies/install/lib64/* dependencies/install/lib/
+    make install_python_modules
+    make python
+    make pypi_archive
+    # Build and repair wheels
+    cd temp-python*/ortools
+    python setup.py bdist_wheel
+    cd dist
+    auditwheel repair *.whl -w "$_EXPORT_ROOT"
+    # Ensure everything is clean
+    cd "$_SRC_ROOT"
+    make clean
+    make clean_third_party
+}
+
+###############################################################################
+
+# Retrieve or-tools, we are building the master
+cd "$BUILD_ROOT"
+git clone https://github.com/google/or-tools
+
+# TODO remove all patching, write Makefile targets for manylinux
+
+# Patch makefile, remove offending command
+# (the setup.py-e file doesn't exist)
+cd "$BUILD_ROOT/or-tools"
+sed -i -e 's=-rm $(PYPI_ARCHIVE_TEMP_DIR)/ortools/setup.py-e==g' makefiles/Makefile.python.mk
+
+# Patch makefile, remove manual libortools.so grafting
+# and RPATH setting. All of this stuff will be carried
+# out by auditwheel, otherwise we would end up with a
+# broken manylinux wheel
+cd "$BUILD_ROOT/or-tools"
+sed -i -e 's=cp lib/libortools=#=g' makefiles/Makefile.python.mk
+sed -i -e 's=tools/fix_python_libraries_on_linux.sh=#=g' makefiles/Makefile.python.mk
+
+# For each python platform provided by manylinux,
+# build and export artifact using a virtualenv
+cd "$BUILD_ROOT"
+for PYROOT in /opt/python/*
+do
+    PYTAG=$(basename "$PYROOT")
+    PYBIN="${PYROOT}/bin"
+    "${PYBIN}/pip" install virtualenv
+    "${PYBIN}/virtualenv" -p "${PYBIN}/python" ${BUILD_ROOT}/${PYTAG}
+    source ${BUILD_ROOT}/${PYTAG}/bin/activate
+    pip install -U pip setuptools
+    build_pypi_archives "$BUILD_ROOT/or-tools" "$EXPORT_ROOT"
+    deactivate
+done

tools/docker/manylinux1.Dockerfile

@@ -0,0 +1,37 @@
+FROM quay.io/pypa/manylinux1_x86_64:latest
+
+RUN yum -y update && yum -y install \
+    yum-utils \
+    redhat-lsb \
+    wget \
+    git \
+    autoconf \
+    libtool \
+    zlib-devel \
+    gawk \
+    gcc-c++ \
+    curl \
+    subversion \
+    make \
+    pcre-devel \
+    which
+
+WORKDIR /root
+RUN wget --no-check-certificate https://cmake.org/files/v3.8/cmake-3.8.2.tar.gz
+RUN tar xzf cmake-3.8.2.tar.gz
+WORKDIR /root/cmake-3.8.2
+RUN ./bootstrap --prefix=/usr
+RUN make
+RUN make install
+
+WORKDIR /root
+RUN wget --no-check-certificate https://downloads.sourceforge.net/project/swig/swig/swig-3.0.12/swig-3.0.12.tar.gz
+RUN tar xzf swig-3.0.12.tar.gz
+WORKDIR /root/swig-3.0.12
+RUN ./configure --prefix=/usr
+RUN make
+RUN make install
+
+ADD build-manylinux1.sh /root
+
+WORKDIR /root