aarch64/ci: Install OpenSSL to fix build error

This commit explicit sets the path to the strip executable to ensure
the cmake aarch64 executable can be stripped.

See #96

Co-authored-by: odidev <[email protected]>

Author: jcfr

Diff for: CMakeLists.txt

@@ -163,6 +163,11 @@ if(CMakePythonDistributions_SUPERBUILD)
           -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
           )
       endif()
+      if(DEFINED CMAKE_TOOLCHAIN_FILE)
+        list(APPEND _common_cache_args
+          -DCMAKE_TOOLCHAIN_FILE:STRING=${CMAKE_TOOLCHAIN_FILE}
+          )
+      endif()
       foreach(var_name IN ITEMS
         CMAKE_BUILD_PARALLEL_LEVEL
         CMAKE_JOB_POOLS

Diff for: scikit-ci.yml

@@ -13,6 +13,10 @@ before_install:
       PATH: /opt/python/$<MANYLINUX_PYTHON>/bin:$<PATH>
       SETUP_CMAKE_ARGS: -DCMAKE_JOB_POOL_COMPILE:STRING=compile -DCMAKE_JOB_POOL_LINK:STRING=link '-DCMAKE_JOB_POOLS:STRING=compile=4;link=3'
     commands:
+      - |
+        if [[ ${DEFAULT_DOCKCROSS_IMAGE} == *"manylinux2014-aarch64"* ]]; then
+          sudo ./scripts/manylinux2014-aarch64-build-and-install-openssl.sh
+        fi
       - python: |
                 import ci, os
                 image_name=os.environ["DEFAULT_DOCKCROSS_IMAGE"].split(":")[0].split("/")[1]
@@ -29,6 +33,9 @@ before_install:
                 # SETUP_BDIST_WHEEL_ARGS
                 if arch == "aarch64":
                     os.environ["SETUP_BDIST_WHEEL_ARGS"] = "--plat-name %s" % os.environ["AUDITWHEEL_PLAT"]
+                    setup_cmake_args = []
+                    setup_cmake_args.append("-DSTRIP_EXECUTABLE:FILEPATH=" + os.environ["CROSS_ROOT"] + "/" + os.environ["CROSS_TRIPLE"] + "/bin/strip")
+                    os.environ["SETUP_CMAKE_ARGS"] = " ".join(setup_cmake_args) + " " + os.environ["SETUP_CMAKE_ARGS"]
                 ci.driver.Driver.save_env(os.environ)
 
   travis:

Diff for: scripts/manylinux2014-aarch64-build-and-install-openssl.sh

@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+
+#
+# Configure, build and install OpenSSL to support building of CMake using manylinux2014-aarch64 docker image
+#
+
+set -eux
+set -o pipefail
+
+MY_DIR=$(dirname "${BASH_SOURCE[0]}")
+source $MY_DIR/utils.sh
+
+OPENSSL_ROOT=openssl-1.1.1g
+
+# Hash from https://www.openssl.org/source/openssl-1.1.1g.tar.gz.sha256
+OPENSSL_HASH=ddb04774f1e32f0c49751e21b67216ac87852ceb056b75209af2443400636d46
+
+# Environment variables defined in "dockcross/manylinux2014-aarch64/Dockerfile.in"
+check_var CROSS_ROOT
+check_var CROSS_TRIPLE
+
+OPENSSL_INSTALL_DIR=${CROSS_ROOT}/${CROSS_TRIPLE}
+
+cd /tmp
+
+# Download
+wget http://www.openssl.org/source/${OPENSSL_ROOT}.tar.gz
+check_sha256sum ${OPENSSL_ROOT}.tar.gz ${OPENSSL_HASH}
+tar -xzf ${OPENSSL_ROOT}.tar.gz
+rm -rf ${OPENSSL_ROOT}.tar.gz
+
+# Configure
+cd ${OPENSSL_ROOT}
+./Configure \
+  linux-aarch64 \
+  --cross-compile-prefix= \
+  --prefix=${OPENSSL_INSTALL_DIR} \
+  shared
+
+# Build
+make -j$(grep -c processor /proc/cpuinfo)
+
+# Install
+make install
+

Diff for: scripts/utils.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+
+set -e
+
+# Copied from https://github.com/pypa/manylinux/blob/master/docker/build_scripts/build_utils.sh
+function check_var {
+    if [ -z "$1" ]; then
+        echo "required variable not defined"
+        exit 1
+    fi
+}
+
+# Copied from https://github.com/pypa/manylinux/blob/master/docker/build_scripts/build_utils.sh
+function check_sha256sum {
+    local fname=$1
+    check_var ${fname}
+    local sha256=$2
+    check_var ${sha256}
+
+    echo "${sha256}  ${fname}" > ${fname}.sha256
+    sha256sum -c ${fname}.sha256
+    rm -f ${fname}.sha256
+}
+