Update CI with testing framework from eigen_ci_cross_testing.

ci/scripts/build.linux.script.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+set -x
+
+# Create and enter build directory.
+rootdir=`pwd`
+mkdir -p ${EIGEN_CI_BUILDDIR}
+cd ${EIGEN_CI_BUILDDIR}
+
+# Configure build.
+cmake -G Ninja                                                   \
+  -DCMAKE_CXX_COMPILER=${EIGEN_CI_CXX_COMPILER}                  \
+  -DCMAKE_C_COMPILER=${EIGEN_CI_C_COMPILER}                      \
+  -DCMAKE_CXX_COMPILER_TARGET=${EIGEN_CI_CXX_COMPILER_TARGET}    \
+  ${EIGEN_CI_ADDITIONAL_ARGS} ${rootdir}
+
+target=""
+if [[ ${EIGEN_CI_BUILD_TARGET} ]]; then
+  target="--target ${EIGEN_CI_BUILD_TARGET}"
+fi
+
+# Builds (particularly gcc) sometimes get killed, potentially when running
+# out of resources.  In that case, keep trying to build the remaining
+# targets (k0), then try to build again with a single thread (j1) to minimize
+# resource use.
+cmake --build . ${target} -- -k0 || cmake --build . ${target} -- -k0 -j1
+
+# Return to root directory.
+cd ${rootdir}
+
+set +x

ci/scripts/build.windows.script.ps1

@@ -0,0 +1,42 @@
+# Find Visual Studio installation directory.
+$VS_INSTALL_DIR = &"${Env:ProgramFiles(x86)}\Microsoft Visual Studio\Installer\vswhere.exe" -latest -property installationPath
+
+# Run VCVarsAll.bat initialization script and extract environment variables.
+# http://allen-mack.blogspot.com/2008/03/replace-visual-studio-command-prompt.html
+cmd.exe /c "`"${VS_INSTALL_DIR}\VC\Auxiliary\Build\vcvarsall.bat`" $EIGEN_CI_MSVC_ARCH -vcvars_ver=$EIGEN_CI_MSVC_VER & set" |
+  foreach {
+    if ($_ -match "=") {
+      $v = $_.split("="); set-item -force -path "ENV:\$($v[0])" -value "$($v[1])"
+    }
+  }
+
+# Create and enter build directory.
+$rootdir = Get-Location
+mkdir $EIGEN_CI_BUILDDIR
+cd $EIGEN_CI_BUILDDIR
+
+# We need to split EIGEN_CI_ADDITIONAL_ARGS, otherwise they are interpretted
+# as a single argument.  Split by space, unless double-quoted.
+$split_args = [regex]::Split(${EIGEN_CI_ADDITIONAL_ARGS}, ' (?=(?:[^"]|"[^"]*")*$)' )
+
+# Configure build.
+cmake -G Ninja -DCMAKE_BUILD_TYPE=MinSizeRel `
+      -DEIGEN_TEST_CUSTOM_CXX_FLAGS="${EIGEN_CI_TEST_CUSTOM_CXX_FLAGS}" `
+      ${split_args} "${rootdir}"
+
+$target = ""
+if (${EIGEN_CI_BUILD_TARGET}) {
+  $target = "--target ${EIGEN_CI_BUILD_TARGET}"
+}
+
+# Windows builds sometimes fail due heap errors. In that case, try
+# building the rest, then try to build again with a single thread.
+cmake --build . ${target} -- -k0 || cmake --build . ${target} -- -k0 -j1
+
+$success = $LASTEXITCODE
+
+# Return to root directory.
+cd ${rootdir}
+
+# Explicitly propagate exit code to indicate pass/failure of build command.
+if($success -ne 0) { Exit $success }

ci/scripts/common.linux.before_script.sh

@@ -0,0 +1,48 @@
+#!/bin/bash
+
+set -x
+
+echo "Running ${CI_JOB_NAME}"
+
+# Get architecture and display CI configuration.
+export ARCH=`uname -m`
+export NPROC=`nproc`
+echo "arch=$ARCH, target=${EIGEN_CI_TARGET_ARCH}"
+echo "Processors: ${NPROC}"
+echo "CI Variables:"
+export | grep EIGEN
+
+# Set noninteractive, otherwise tzdata may be installed and prompt for a
+# geographical region.
+export DEBIAN_FRONTEND=noninteractive
+apt-get update -y > /dev/null
+apt-get install -y --no-install-recommends software-properties-common ninja-build cmake git > /dev/null
+add-apt-repository -y ppa:ubuntu-toolchain-r/test > /dev/null
+apt-get update -y > /dev/null
+
+# Install required dependencies and set up compilers.
+# These are required even for testing to ensure that dynamic runtime libraries
+# are available.
+if [[ "$ARCH" == "${EIGEN_CI_TARGET_ARCH}" ]]; then
+  apt-get install -y --no-install-recommends ${EIGEN_CI_INSTALL} > /dev/null;
+  export EIGEN_CI_CXX_IMPLICIT_INCLUDE_DIRECTORIES="";
+  export EIGEN_CI_CXX_COMPILER_TARGET="";
+else
+  apt-get install -y --no-install-recommends ${EIGEN_CI_CROSS_INSTALL} > /dev/null;
+  export EIGEN_CI_C_COMPILER=${EIGEN_CI_CROSS_C_COMPILER};
+  export EIGEN_CI_CXX_COMPILER=${EIGEN_CI_CROSS_CXX_COMPILER};
+  export EIGEN_CI_CXX_COMPILER_TARGET=${EIGEN_CI_CROSS_TARGET_TRIPLE};
+  # Tell the compiler where to find headers and libraries if using clang.
+  # NOTE: this breaks GCC since it messes with include path order
+  #       (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70129)
+  if [[ "${EIGEN_CI_CROSS_CXX_COMPILER}" == *"clang"* ]]; then
+    export CPLUS_INCLUDE_PATH="/usr/${EIGEN_CI_CROSS_TARGET_TRIPLE}/include";
+    export LIBRARY_PATH="/usr/${EIGEN_CI_CROSS_TARGET_TRIPLE}/lib64";
+  fi
+fi
+
+echo "Compilers: ${EIGEN_CI_C_COMPILER} ${EIGEN_CI_CXX_COMPILER}"
+
+if [ -n "$EIGEN_CI_BEFORE_SCRIPT" ]; then eval "$EIGEN_CI_BEFORE_SCRIPT"; fi
+
+set +x

ci/scripts/common.windows.before_script.ps1

@@ -0,0 +1,7 @@
+echo "Running ${CI_JOB_NAME}"
+
+# Print configuration variables.
+Get-Variable | findstr EIGEN
+
+# Run a custom before-script command.
+if ("${EIGEN_CI_BEFORE_SCRIPT}") { Invoke-Expression -Command "${EIGEN_CI_BEFORE_SCRIPT}" }

ci/scripts/test.linux.after_script.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+set -x
+
+# Enter build directory.
+rootdir=`pwd`
+cd ${EIGEN_CI_BUILDDIR}
+
+# Install xml processor.
+apt-get update -y
+apt-get install --no-install-recommends -y xsltproc
+
+# Generate test results.
+xsltproc ${rootdir}/ci/CTest2JUnit.xsl Testing/`head -n 1 < Testing/TAG`/Test.xml > "JUnitTestResults_$CI_JOB_ID.xml"
+
+# Return to root directory.
+cd ${rootdir}
+
+set +x

ci/scripts/test.linux.script.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+set -x
+
+# Enter build directory.
+rootdir=`pwd`
+cd ${EIGEN_CI_BUILDDIR}
+
+target=""
+if [[ ${EIGEN_CI_TEST_REGEX} ]]; then
+  target="-R ${EIGEN_CI_TEST_REGEX}"
+elif [[ ${EIGEN_CI_TEST_LABEL} ]]; then
+  target="-L ${EIGEN_CI_TEST_LABEL}"
+fi
+
+# Repeat tests up to three times to ignore flakes.  Do not re-run with -T test,
+# otherwise we lose test results for those that passed.
+# Note: starting with CMake 3.17, we can use --repeat until-pass:3, but we have
+#       no way of easily installing this on ppc64le.
+ctest --parallel ${NPROC} --output-on-failure --no-compress-output  \
+      --build-no-clean -T test ${target} || \
+  ctest -j${NPROC} --output-on-failure --no-compress-output --rerun-failed || \
+  ctest -j${NPROC} --output-on-failure --no-compress-output --rerun-failed
+
+# Return to root directory.
+cd ${rootdir}
+
+set +x

ci/scripts/test.windows.after_script.ps1

@@ -0,0 +1,17 @@
+# Change to build directory.
+$rootdir = Get-Location
+cd ${EIGEN_CI_BUILDDIR}
+
+# Determine the appropriate test tag and results file.
+$TEST_TAG = Get-Content Testing\TAG | select -first 1
+
+# PowerShell equivalent to xsltproc:
+$XSL_FILE = Resolve-Path "..\ci\CTest2JUnit.xsl"
+$INPUT_FILE = Resolve-Path Testing\$TEST_TAG\Test.xml
+$OUTPUT_FILE = Join-Path -Path $pwd -ChildPath JUnitTestResults_$CI_JOB_ID.xml
+$xslt = New-Object System.Xml.Xsl.XslCompiledTransform;
+$xslt.Load($XSL_FILE)
+$xslt.Transform($INPUT_FILE,$OUTPUT_FILE)
+
+# Return to root directory.
+cd ${rootdir}

ci/scripts/test.windows.script.ps1

@@ -0,0 +1,30 @@
+# Change to build directory.
+$rootdir = Get-Location
+cd $EIGEN_CI_BUILDDIR
+
+# Determine number of processors for parallel tests.
+$NPROC=${Env:NUMBER_OF_PROCESSORS}
+
+# Set target based on regex or label.
+$target = ""
+if (${EIGEN_CI_TEST_REGEX}) {
+  $target = "-R","${EIGEN_CI_TEST_REGEX}"
+} elseif (${EIGEN_CI_TEST_LABEL}) {
+  $target = "-L","${EIGEN_CI_TEST_LABEL}"
+}
+
+# Repeat tests up to three times to ignore flakes.  Do not re-run with -T test,
+# otherwise we lose test results for those that passed.
+# Note: starting with CMake 3.17, we can use --repeat until-pass:3, but we have
+#       no way of easily installing this on ppc64le.
+ctest -j$NPROC --output-on-failure --no-compress-output --build-no-clean -T test $target || `
+  ctest -j$NPROC --output-on-failure --no-compress-output --rerun-failed || `
+  ctest -j$NPROC --output-on-failure --no-compress-output --rerun-failed
+
+$success = $LASTEXITCODE
+
+# Return to root directory.
+cd ${rootdir}
+
+# Explicitly propagate exit code to indicate pass/failure of test command.
+if($success -ne 0) { Exit $success }

ci/scripts/vars.linux.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+# Initialize default variables used by the CI.
+export EIGEN_CI_ADDITIONAL_ARGS=""
+export EIGEN_CI_BEFORE_SCRIPT=""
+export EIGEN_CI_BUILD_TARGET="buildtests"
+export EIGEN_CI_BUILDDIR=".build"
+export EIGEN_CI_C_COMPILER="clang"
+export EIGEN_CI_CXX_COMPILER="clang++"
+export EIGEN_CI_TEST_CUSTOM_CXX_FLAGS=""
+export EIGEN_CI_TEST_LABEL="Official"
+export EIGEN_CI_TEST_REGEX=""

ci/scripts/vars.windows.ps1

@@ -0,0 +1,10 @@
+# Initialize default variables used by the CI.
+$EIGEN_CI_ADDITIONAL_ARGS       = ""
+$EIGEN_CI_BEFORE_SCRIPT         = ""
+$EIGEN_CI_BUILD_TARGET          = "buildtests"
+$EIGEN_CI_BUILDDIR              = ".build"
+$EIGEN_CI_MSVC_ARCH             = "x64"
+$EIGEN_CI_MSVC_VER              = "14.29"
+$EIGEN_CI_TEST_CUSTOM_CXX_FLAGS = "/d2ReducedOptimizeHugeFunctions /DEIGEN_STRONG_INLINE=inline /Os"
+$EIGEN_CI_TEST_LABEL            = "Official"
+$EIGEN_CI_TEST_REGEX            = ""