build.sh

#!/usr/bin/env bash

# Work around Jenkins CI + msbuild problem: Jenkins sometimes creates very large environment
# variables, and msbuild can't handle environment blocks with such large variables. So clear
# out the variables that might be too large.
export ghprbCommentBody=

# resolve python-version to use
if [ "$PYTHON" == "" ] ; then
    if ! PYTHON=$(command -v python3 || command -v python2 || command -v python || command -v py)
    then
       echo "Unable to locate build-dependency python!" 1>&2
       exit 1
    fi
fi
# validate python-dependency
# useful in case of explicitly set option.
if ! command -v $PYTHON > /dev/null
then
   echo "Unable to locate build-dependency python ($PYTHON)!" 1>&2
   exit 1
fi

export PYTHON

usage_list=("-crossgenonly: only run native image generation.")
usage_list+=("-disableoss: Disable Open Source Signing for System.Private.CoreLib.")
usage_list+=("-ibcinstrument: generate IBC-tuning-enabled native images when invoking crossgen.")
usage_list+=("-nopgooptimize: do not use profile guided optimizations.")
usage_list+=("-officialbuildid=^<ID^>: specify the official build ID to be used by this build.")
usage_list+=("-partialngen: build CoreLib as PartialNGen.")
usage_list+=("-pgoinstrument: generate instrumented code for profile guided optimization enabled binaries.")
usage_list+=("-skipcrossgen: skip native image generation.")
usage_list+=("-skipcrossarchnative: Disable Open Source Signing for System.Private.CoreLib.")
usage_list+=("-skipmanagedtools: generate instrumented code for profile guided optimization enabled binaries.")
usage_list+=("-skipmscorlib: generate IBC-tuning-enabled native images when invoking crossgen.")
usage_list+=("-skipnuget: do not use profile guided optimizations.")
usage_list+=("-skiprestore: specify the official build ID to be used by this build.")
usage_list+=("-skiprestoreoptdata: build CoreLib as PartialNGen.")
usage_list+=("-staticanalyzer: skip native image generation.")
usage_list+=("-stripSymbols: skip native image generation.")

setup_dirs()
{
    echo Setting up directories for build

    mkdir -p "$__RootBinDir"
    mkdir -p "$__BinDir"
    mkdir -p "$__LogsDir"
    mkdir -p "$__MsbuildDebugLogsDir"
    mkdir -p "$__IntermediatesDir"

    if [ $__CrossBuild == 1 ]; then
        mkdir -p "$__CrossComponentBinDir"
    fi
}

# Check the system to ensure the right prereqs are in place

check_prereqs()
{
    echo "Checking prerequisites..."

    # Check presence of CMake on the path
    hash cmake 2>/dev/null || { echo >&2 "Please install cmake before running this script"; exit 1; }

    function version { echo "$@" | awk -F. '{ printf("%d%02d%02d\n", $1,$2,$3); }'; }

    local cmake_version=$(cmake --version | grep -Eo "[0-9]+\.[0-9]+\.[0-9]+")

    if [[ $(version $cmake_version) -lt $(version 3.14.0) ]]; then
        echo "Please install CMake 3.14 or newer from http://www.cmake.org/download/ or https://apt.kitware.com and ensure it is on your path."; exit 1;
    fi

    # Minimum required version of clang is version 4.0 for arm/armel cross build
    if [[ $__CrossBuild == 1 && $__GccBuild == 0 &&  ("$__BuildArch" == "arm" || "$__BuildArch" == "armel") ]]; then
        if ! [[ "$__ClangMajorVersion" -ge "4" ]]; then
            echo "Please install clang4.0 or latest for arm/armel cross build"; exit 1;
        fi
    fi

    # Check for clang
    if [[ $__GccBuild == 0 ]]; then
        __ClangCombinedDottedVersion=$__ClangMajorVersion;
        if [[ "$__ClangMinorVersion" != "" ]]; then
            __ClangCombinedDottedVersion=$__ClangCombinedDottedVersion.$__ClangMinorVersion
        fi
        hash clang-$__ClangCombinedDottedVersion 2>/dev/null ||  hash clang$__ClangMajorVersion$__ClangMinorVersion 2>/dev/null || hash clang 2>/dev/null || { echo >&2 "Please install clang-$__ClangMajorVersion.$__ClangMinorVersion before running this script"; exit 1; }
    else
        __GccCombinedDottedVersion=$__GccMajorVersion;
        if [[ "$__GccMinorVersion" != "" ]]; then
            __GccCombinedDottedVersion=$__GccCombinedDottedVersion.$__GccMinorVersion
        fi
        hash gcc-$__GccCombinedDottedVersion 2>/dev/null ||  hash gcc$__GccMajorVersion$__GccMinorVersion 2>/dev/null || hash gcc 2>/dev/null || { echo >&2 "Please install gcc-$__GccMajorVersion.$__GccMinorVersion before running this script"; exit 1; }
    fi

}

restore_optdata()
{
    local OptDataProjectFilePath="$__ProjectRoot/src/.nuget/optdata/optdata.csproj"
    if [[ ( $__SkipRestoreOptData == 0 ) && ( $__isMSBuildOnNETCoreSupported == 1 ) ]]; then
        echo "Restoring the OptimizationData package"
        "$__RepoRootDir/eng/common/msbuild.sh" $__ArcadeScriptArgs \
                                               $OptDataProjectFilePath /t:Restore /m \
                                               $__CommonMSBuildArgs $__UnprocessedBuildArgs
        local exit_code=$?
        if [ $exit_code != 0 ]; then
            echo "${__ErrMsgPrefix}Failed to restore the optimization data package."
            exit $exit_code
        fi
    fi

    if [ $__isMSBuildOnNETCoreSupported == 1 ]; then
        # Parse the optdata package versions out of msbuild so that we can pass them on to CMake

        local PgoDataPackagePathOutputFile="${__IntermediatesDir}/optdatapath.txt"
        local IbcDataPackagePathOutputFile="${__IntermediatesDir}/ibcoptdatapath.txt"

        # Writes into ${PgoDataPackagePathOutputFile}
        "$__RepoRootDir/eng/common/msbuild.sh" $__ArcadeScriptArgs $OptDataProjectFilePath /t:DumpPgoDataPackagePath ${__CommonMSBuildArgs} /p:PgoDataPackagePathOutputFile=${PgoDataPackagePathOutputFile} 2>&1 > /dev/null
        local exit_code=$?
        if [ $exit_code != 0 ] || [ ! -f "${PgoDataPackagePathOutputFile}" ]; then
            echo "${__ErrMsgPrefix}Failed to get PGO data package path."
            exit $exit_code
        fi

        __PgoOptDataPath=$(<"${PgoDataPackagePathOutputFile}")

        # Writes into ${IbcDataPackagePathOutputFile}
        "$__RepoRootDir/eng/common/msbuild.sh" $__ArcadeScriptArgs $OptDataProjectFilePath /t:DumpIbcDataPackagePath ${__CommonMSBuildArgs} /p:IbcDataPackagePathOutputFile=${IbcDataPackagePathOutputFile} 2>&1 > /dev/null
        local exit_code=$?
        if [ $exit_code != 0 ] || [ ! -f "${IbcDataPackagePathOutputFile}" ]; then
            echo "${__ErrMsgPrefix}Failed to get IBC data package path."
            exit $exit_code
        fi

        __IbcOptDataPath=$(<"${IbcDataPackagePathOutputFile}")
    fi
}

generate_event_logging_sources()
{
    __OutputEventingDir=$1

    __PythonWarningFlags="-Wall"
    if [[ $__IgnoreWarnings == 0 ]]; then
        __PythonWarningFlags="$__PythonWarningFlags -Werror"
    fi

    echo "Laying out dynamically generated EventSource classes"
    $PYTHON -B $__PythonWarningFlags "$__ProjectRoot/src/scripts/genRuntimeEventSources.py" --man "$__ProjectRoot/src/vm/ClrEtwAll.man" --intermediate "$__OutputEventingDir"
}

generate_event_logging()
{
    # Event Logging Infrastructure
    if [[ $__SkipMSCorLib == 0 ]]; then
        generate_event_logging_sources "$__ArtifactsIntermediatesDir/Eventing/$__BuildArch/$__BuildType"
    fi
}

build_native()
{
    skipCondition=$1
    platformArch="$2"
    intermediatesForBuild="$3"
    extraCmakeArguments="$4"
    message="$5"

    if [ $skipCondition == 1 ]; then
        echo "Skipping $message build."
        return
    fi

    # All set to commence the build
    echo "Commencing build of $message for $__BuildOS.$__BuildArch.$__BuildType in $intermediatesForBuild"

    generator=""
    buildTool="make"
    if [ $__UseNinja == 1 ]; then
        generator="ninja"
        if ! buildTool=$(command -v ninja || command -v ninja-build); then
           echo "Unable to locate ninja!" 1>&2
           exit 1
        fi
    fi

    if [ $__SkipConfigure == 0 ]; then
        # if msbuild is not supported, then set __SkipGenerateVersion to 1
        if [ $__isMSBuildOnNETCoreSupported == 0 ]; then __SkipGenerateVersion=1; fi
        # Drop version.c file
        __versionSourceFile="$intermediatesForBuild/version.c"
        if [ $__SkipGenerateVersion == 0 ]; then
            pwd
            "$__RepoRootDir/eng/common/msbuild.sh" $__ArcadeScriptArgs $__RepoRootDir/eng/empty.csproj \
                                                   /p:NativeVersionFile=$__versionSourceFile \
                                                   /t:GenerateNativeVersionFile /restore \
                                                   $__CommonMSBuildArgs $__UnprocessedBuildArgs
        local exit_code=$?
        if [ $exit_code != 0 ]; then
                echo "${__ErrMsgPrefix}Failed to generate native version file."
                exit $exit_code
            fi
        else
            # Generate the dummy version.c, but only if it didn't exist to make sure we don't trigger unnecessary rebuild
            __versionSourceLine="static char sccsid[] __attribute__((used)) = \"@(#)No version information produced\";"
            if [ -e $__versionSourceFile ]; then
                read existingVersionSourceLine < $__versionSourceFile
            fi
            if [ "$__versionSourceLine" != "$existingVersionSourceLine" ]; then
                echo $__versionSourceLine > $__versionSourceFile
            fi
        fi

        # Regenerate the CMake solution

        scriptDir="$__ProjectRoot/src/pal/tools"
        if [[ $__GccBuild == 0 ]]; then
            echo "Invoking \"$scriptDir/find-clang.sh\" $__ClangMajorVersion \"$__ClangMinorVersion\""
            source "$scriptDir/find-clang.sh" $__ClangMajorVersion "$__ClangMinorVersion"
            if [[ $__StaticAnalyzer == 1 ]]; then
                scan_build=scan-build
            fi
        else
            echo "Invoking \"$scriptDir/find-gcc.sh\" \"$__GccMajorVersion\" \"$__GccMinorVersion\""
            source "$scriptDir/find-gcc.sh" "$__GccMajorVersion" "$__GccMinorVersion"
        fi

        if [[ -n "$__CodeCoverage" ]]; then
            extraCmakeArguments="$extraCmakeArguments -DCLR_CMAKE_ENABLE_CODE_COVERAGE=1"
        fi

        nextCommand="\"$scriptDir/gen-buildsys.sh\" \"$__ProjectRoot\" \"$intermediatesForBuild\" $platformArch $__BuildType $generator $scan_build $extraCmakeArguments $__cmakeargs"
        echo "Invoking $nextCommand"
        eval $nextCommand

        if [ $? != 0  ]; then
            echo "${__ErrMsgPrefix}Failed to generate $message build project!"
            exit 1
        fi
    fi

    if [ ! -f "$intermediatesForBuild/CMakeCache.txt" ]; then
        echo "${__ErrMsgPrefix}Unable to find generated build files for $message project!"
        exit 1
    fi

    # Build
    if [ $__ConfigureOnly == 1 ]; then
        echo "Finish configuration & skipping $message build."
        return
    fi

    # Check that the makefiles were created.

    if [ $__StaticAnalyzer == 1 ]; then
        pushd "$intermediatesForBuild"

        buildTool="$SCAN_BUILD_COMMAND $buildTool"
        echo "Executing $buildTool install -j $__NumProc"
        $buildTool install -j $__NumProc

        popd
    else
        echo "Executing cmake --build \"$intermediatesForBuild\" --target install -j $__NumProc"

        cmake --build "$intermediatesForBuild" --target install -j $__NumProc
    fi

    local exit_code=$?
    if [ $exit_code != 0 ]; then
        echo "${__ErrMsgPrefix}Failed to build $message."
        exit $exit_code
    fi

}

build_cross_architecture_components()
{
    local intermediatesForBuild="$__IntermediatesDir/Host$__CrossArch/crossgen"
    local crossArchBinDir="$__BinDir/$__CrossArch"

    mkdir -p "$intermediatesForBuild"
    mkdir -p "$crossArchBinDir"

    generate_event_logging_sources "$intermediatesForBuild" "the crossarch build system"

    __SkipCrossArchBuild=1
    # check supported cross-architecture components host(__HostArch)/target(__BuildArch) pair
    if [[ ("$__BuildArch" == "arm" || "$__BuildArch" == "armel") && ("$__CrossArch" == "x86" || "$__CrossArch" == "x64") ]]; then
        __SkipCrossArchBuild=0
    elif [[ "$__BuildArch" == "arm64" && "$__CrossArch" == "x64" ]]; then
        __SkipCrossArchBuild=0
    else
        # not supported
        return
    fi

    export __CMakeBinDir="$crossArchBinDir"
    export CROSSCOMPILE=0

    __ExtraCmakeArgs="-DCLR_CMAKE_TARGET_ARCH=$__BuildArch -DCLR_CMAKE_PGO_INSTRUMENT=$__PgoInstrument -DCLR_CMAKE_OPTDATA_PATH=$__PgoOptDataPath -DCLR_CMAKE_PGO_OPTIMIZE=$__PgoOptimize -DCLR_CROSS_COMPONENTS_BUILD=1"
    build_native $__SkipCrossArchBuild "$__CrossArch" "$intermediatesForBuild" "$__ExtraCmakeArgs" "cross-architecture components"

    export CROSSCOMPILE=1
}

build_CoreLib_ni()
{
    local __CrossGenExec=$1
    local __CoreLibILDir=$2

    if [ $__PartialNgen == 1 ]; then
        export COMPlus_PartialNGen=1
    fi

    if [ -e $__CrossGenCoreLibLog ]; then
        rm $__CrossGenCoreLibLog
    fi
    echo "Generating native image of System.Private.CoreLib.dll for $__BuildOS.$__BuildArch.$__BuildType. Logging to \"$__CrossGenCoreLibLog\"."
    echo "$__CrossGenExec /Platform_Assemblies_Paths $__CoreLibILDir $__IbcTuning /out $__BinDir/System.Private.CoreLib.dll $__CoreLibILDir/System.Private.CoreLib.dll"
    $__CrossGenExec /Platform_Assemblies_Paths $__CoreLibILDir $__IbcTuning /out $__BinDir/System.Private.CoreLib.dll $__CoreLibILDir/System.Private.CoreLib.dll >> $__CrossGenCoreLibLog 2>&1
    local exit_code=$?
    if [ $exit_code != 0 ]; then
        echo "${__ErrMsgPrefix}Failed to generate native image for System.Private.CoreLib. Refer to $__CrossGenCoreLibLog"
        exit $exit_code
    fi

    if [ "$__BuildOS" == "Linux" ]; then
        echo "Generating symbol file for System.Private.CoreLib.dll"
        echo "$__CrossGenExec /Platform_Assemblies_Paths $__BinDir /CreatePerfMap $__BinDir $__BinDir/System.Private.CoreLib.dll"
        $__CrossGenExec /Platform_Assemblies_Paths $__BinDir /CreatePerfMap $__BinDir $__BinDir/System.Private.CoreLib.dll >> $__CrossGenCoreLibLog 2>&1
        local exit_code=$?
        if [ $exit_code != 0 ]; then
            echo "${__ErrMsgPrefix}Failed to generate symbol file for System.Private.CoreLib. Refer to $__CrossGenCoreLibLog"
            exit $exit_code
        fi
    fi
}

build_CoreLib()
{
    if [ $__isMSBuildOnNETCoreSupported == 0 ]; then
        echo "System.Private.CoreLib.dll build unsupported."
        return
    fi

    if [ $__SkipMSCorLib == 1 ]; then
       echo "Skipping building System.Private.CoreLib."
       return
    fi

    echo "Commencing build of managed components for $__BuildOS.$__BuildArch.$__BuildType"

    # Invoke MSBuild
    __ExtraBuildArgs=""
    if [[ "$__IbcTuning" == "" ]]; then
        __ExtraBuildArgs="$__ExtraBuildArgs /p:OptimizationDataDir=\"$__IbcOptDataPath/data\""
        __ExtraBuildArgs="$__ExtraBuildArgs /p:EnableProfileGuidedOptimization=true"
    fi

    if [[ "$__BuildManagedTools" -eq "1" ]]; then
        __ExtraBuildArgs="$__ExtraBuildArgs /p:BuildManagedTools=true"
    fi

    "$__RepoRootDir/eng/common/msbuild.sh" $__ArcadeScriptArgs \
                                           $__ProjectDir/src/build.proj /t:Restore \
                                           /p:PortableBuild=true /maxcpucount /p:IncludeRestoreOnlyProjects=true \
                                           /flp:Verbosity=normal\;LogFile=$__LogsDir/System.Private.CoreLib_$__BuildOS__$__BuildArch__$__BuildType.log \
                                           /p:__IntermediatesDir=$__IntermediatesDir /p:__RootBinDir=$__RootBinDir \
                                           $__CommonMSBuildArgs $__ExtraBuildArgs $__UnprocessedBuildArgs

    local exit_code=$?
    if [ $exit_code != 0 ]; then
        echo "${__ErrMsgPrefix}Failed to restore managed components."
        exit $exit_code
    fi

    "$__RepoRootDir/eng/common/msbuild.sh" $__ArcadeScriptArgs \
                                           $__ProjectDir/src/build.proj \
                                           /p:PortableBuild=true /maxcpucount \
                                           /flp:Verbosity=normal\;LogFile=$__LogsDir/System.Private.CoreLib_$__BuildOS__$__BuildArch__$__BuildType.log \
                                           /p:__IntermediatesDir=$__IntermediatesDir /p:__RootBinDir=$__RootBinDir \
                                           $__CommonMSBuildArgs $__ExtraBuildArgs $__UnprocessedBuildArgs

    local exit_code=$?
        if [ $exit_code != 0 ]; then
        echo "${__ErrMsgPrefix}Failed to build managed components."
        exit $exit_code
    fi

    if [[ "$__BuildManagedTools" -eq "1" ]]; then
        echo "Publishing crossgen2 for $__DistroRid"
        "$__ProjectRoot/dotnet.sh" publish --self-contained -r $__DistroRid -c $__BuildType -o "$__BinDir/crossgen2" "$__ProjectRoot/src/tools/crossgen2/crossgen2/crossgen2.csproj" /p:BuildArch=$__BuildArch

        local exit_code=$?
        if [ $exit_code != 0 ]; then
            echo "${__ErrMsgPrefix}Failed to build crossgen2."
            exit $exit_code
        fi

        if [ "$__HostOS" == "OSX" ]; then
            cp "$__BinDir/libclrjit.dylib" "$__BinDir/crossgen2/libclrjitilc.dylib"
            cp "$__BinDir/libjitinterface.dylib" "$__BinDir/crossgen2/libjitinterface.dylib"
        else
            cp "$__BinDir/libclrjit.so" "$__BinDir/crossgen2/libclrjitilc.so"
            cp "$__BinDir/libjitinterface.so" "$__BinDir/crossgen2/libjitinterface.so"
        fi
    fi

    local __CoreLibILDir=$__BinDir/IL

    if [ $__SkipCrossgen == 1 ]; then
        echo "Skipping generating native image"

        if [ $__CrossBuild == 1 ]; then
            # Crossgen not performed, so treat the IL version as the final version
            cp $__CoreLibILDir/System.Private.CoreLib.dll $__BinDir/System.Private.CoreLib.dll
        fi

        return
    fi

    # The cross build generates a crossgen with the target architecture.
    if [ $__CrossBuild == 0 ]; then
       if [ $__SkipCoreCLR == 1 ]; then
           return
       fi

       # The architecture of host pc must be same architecture with target.
       if [[ ( "$__HostArch" == "$__BuildArch" ) ]]; then
           build_CoreLib_ni "$__BinDir/crossgen" $__CoreLibILDir
       elif [[ ( "$__HostArch" == "x64" ) && ( "$__BuildArch" == "x86" ) ]]; then
           build_CoreLib_ni "$__BinDir/crossgen" $__CoreLibILDir
       elif [[ ( "$__HostArch" == "arm64" ) && ( "$__BuildArch" == "arm" ) ]]; then
           build_CoreLib_ni "$__BinDir/crossgen" $__CoreLibILDir
       else
           exit 1
       fi
    else
       if [[ ( "$__CrossArch" == "x86" ) && ( "$__BuildArch" == "arm" ) ]]; then
           build_CoreLib_ni "$__CrossComponentBinDir/crossgen" $__CoreLibILDir
       elif [[ ( "$__CrossArch" == "x64" ) && ( "$__BuildArch" == "arm" ) ]]; then
           build_CoreLib_ni "$__CrossComponentBinDir/crossgen" $__CoreLibILDir
       elif [[ ( "$__HostArch" == "x64" ) && ( "$__BuildArch" == "arm64" ) ]]; then
           build_CoreLib_ni "$__CrossComponentBinDir/crossgen" $__CoreLibILDir
       else
           # Crossgen not performed, so treat the IL version as the final version
           cp $__CoreLibILDir/System.Private.CoreLib.dll $__BinDir/System.Private.CoreLib.dll
       fi
    fi
}

generate_NugetPackages()
{
    # We can only generate nuget package if we also support building mscorlib as part of this build.
    if [ $__isMSBuildOnNETCoreSupported == 0 ]; then
        echo "Nuget package generation unsupported."
        return
    fi

    # Since we can build mscorlib for this OS, did we build the native components as well?
    if [[ $__SkipCoreCLR == 1 && $__CrossgenOnly == 0 ]]; then
        echo "Unable to generate nuget packages since native components were not built."
        return
    fi

    echo "Generating nuget packages for "$__BuildOS
    echo "DistroRid is "$__DistroRid
    echo "ROOTFS_DIR is "$ROOTFS_DIR
    # Build the packages
    # Package build uses the Arcade system and scripts, relying on it to restore required toolsets as part of build
    $__RepoRootDir/eng/common/build.sh -r -b -projects $__SourceDir/.nuget/packages.builds \
                                       -verbosity minimal -bl:$__LogsDir/Nuget_$__BuildOS__$__BuildArch__$__BuildType.binlog \
                                       /p:PortableBuild=true \
                                       /p:__IntermediatesDir=$__IntermediatesDir /p:__RootBinDir=$__RootBinDir /p:__DoCrossArchBuild=$__CrossBuild \
                                       $__CommonMSBuildArgs $__UnprocessedBuildArgs

    local exit_code=$?
    if [ $exit_code != 0 ]; then
        echo "${__ErrMsgPrefix}Failed to generate Nuget packages."
        exit $exit_code
    fi
}

handle_arguments() {
    case $1 in
        crossgenonly|-crossgenonly)
            __SkipMSCorLib=1
            __SkipCoreCLR=1
            __CrossgenOnly=1
            ;;

        disableoss|-disableoss)
            __SignTypeArg="/p:SignType=real"
            ;;

        ibcinstrument|-ibcinstrument)
            __IbcTuning="/Tuning"
            ;;

        ignorewarnings|-ignorewarnings)
            __IgnoreWarnings=1
            __cmakeargs="$__cmakeargs -DCLR_CMAKE_WARNINGS_ARE_ERRORS=OFF"
            ;;

        nopgooptimize|-nopgooptimize)
            __PgoOptimize=0
            __SkipRestoreOptData=1
            ;;

        officialbuildid=*|-officialbuildid=*)
            __Id=$(echo "$1" | cut -d'=' -f 2)
            __OfficialBuildIdArg="/p:OfficialBuildId=$__Id"
            ;;

        partialngen|-partialngen)
            __PartialNgen=1
            ;;

        pgoinstrument|-pgoinstrument)
            __PgoInstrument=1
            ;;

        skipcoreclr|-skipcoreclr)
            # Accept "skipcoreclr" for backwards-compatibility.
            __SkipCoreCLR=1
            ;;

        skipcrossarchnative|-skipcrossarchnative)
            __SkipCrossArchNative=1
            ;;

        skipcrossgen|-skipcrossgen)
            __SkipCrossgen=1
            ;;

        skipmanagedtools|-skipmanagedtools)
            __BuildManagedTools=0
            ;;

        skipmscorlib|-skipmscorlib)
            __SkipMSCorLib=1
            ;;

        skipnuget|-skipnuget|skipbuildpackages|-skipbuildpackages)
            __SkipNuget=1
            ;;

        skiprestore|-skiprestore)
            __SkipRestoreArg="/p:RestoreDuringBuild=false"
            ;;

        staticanalyzer|-staticanalyzer)
            __StaticAnalyzer=1
            ;;

        stripsymbols|-stripsymbols)
            __cmakeargs="$__cmakeargs -DSTRIP_SYMBOLS=true"
            ;;

        *)
            __UnprocessedBuildArgs+=("$1")
            ;;
    esac
}

echo "Commencing CoreCLR Repo build"

# Argument types supported by this script:
#
# Build architecture - valid values are: x64, ARM.
# Build Type         - valid values are: Debug, Checked, Release
#
# Set the default arguments for build

# Obtain the location of the bash script to figure out where the root of the subrepo is.
__ProjectRoot="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

# Some paths are relative to the main repo root
__RepoRootDir="${__ProjectRoot}/../.."

# BEGIN SECTION to remove after repo consolidation
if [ ! -f "${__RepoRootDir}/.dotnet-runtime-placeholder" ]; then
  __RepoRootDir=${__ProjectRoot}
fi
# END SECTION to remove after repo consolidation

__BuildArch=
__BuildType=Debug
__CodeCoverage=
__IgnoreWarnings=0

# Set the various build properties here so that CMake and MSBuild can pick them up
__BuildManagedTools=1
__ClangMajorVersion=0
__ClangMinorVersion=0
__CommonMSBuildArgs=
__ConfigureOnly=0
__CrossBuild=0
__CrossgenOnly=0
__DistroRid=""
__GccBuild=0
__GccMajorVersion=0
__GccMinorVersion=0
__IbcOptDataPath=""
__IbcTuning=""
__MSBCleanBuildArgs=
__OfficialBuildIdArg=""
__PartialNgen=0
__PgoInstrument=0
__PgoOptDataPath=""
__PgoOptimize=1
__PortableBuild=1
__ProjectDir="$__ProjectRoot"
__RootBinDir="$__ProjectDir/bin"
__SignTypeArg=""
__SkipConfigure=0
__SkipCoreCLR=0
__SkipCrossArchNative=0
__SkipCrossgen=0
__SkipGenerateVersion=0
__SkipMSCorLib=0
__SkipManaged=0
__SkipNuget=0
__SkipRestore=""
__SkipRestoreArg="/p:RestoreDuringBuild=true"
__SkipRestoreOptData=0
__SourceDir="$__ProjectDir/src"
__StaticAnalyzer=0
__UnprocessedBuildArgs=
__UseNinja=0
__VerboseBuild=0
__ValidateCrossArg=1
__cmakeargs=""
__msbuildonunsupportedplatform=0

source "$__ProjectRoot"/_build-commons.sh

if [ "${__BuildArch}" != "${__HostArch}" ]; then
    __CrossBuild=1
fi

# Set dependent variables
__LogsDir="$__RootBinDir/Logs"
__MsbuildDebugLogsDir="$__LogsDir/MsbuildDebugLogs"

# Set the remaining variables based upon the determined build configuration
__BinDir="$__RootBinDir/Product/$__BuildOS.$__BuildArch.$__BuildType"
__PackagesBinDir="$__BinDir/.nuget"
export __IntermediatesDir="$__RootBinDir/obj/$__BuildOS.$__BuildArch.$__BuildType"
export __ArtifactsIntermediatesDir="$__ProjectDir/artifacts/obj"
__isMSBuildOnNETCoreSupported=0
__CrossComponentBinDir="$__BinDir"

__CrossArch="$__HostArch"
if [ $__CrossBuild == 1 ]; then
    __CrossComponentBinDir="$__CrossComponentBinDir/$__CrossArch"
fi
__CrossGenCoreLibLog="$__LogsDir/CrossgenCoreLib_$__BuildOS.$__BuildArch.$__BuildType.log"

# Configure environment if we are doing a cross compile.
if [ $__CrossBuild == 1 ]; then
    export CROSSCOMPILE=1
    if ! [[ -n "$ROOTFS_DIR" ]]; then
        export ROOTFS_DIR="$__RepoRootDir/eng/common/cross/rootfs/$__BuildArch"
    fi
fi

# init the target distro name
initTargetDistroRid

if [ $__PortableBuild == 0 ]; then
    __CommonMSBuildArgs="$__CommonMSBuildArgs /p:PortableBuild=false"
fi

# Init if MSBuild for .NET Core is supported for this platform
isMSBuildOnNETCoreSupported

# CI_SPECIFIC - On CI machines, $HOME may not be set. In such a case, create a subfolder and set the variable to set.
# This is needed by CLI to function.
if [ -z "$HOME" ]; then
    if [ ! -d "$__ProjectDir/temp_home" ]; then
        mkdir temp_home
    fi
    export HOME=$__ProjectDir/temp_home
    echo "HOME not defined; setting it to $HOME"
fi

# Specify path to be set for CMAKE_INSTALL_PREFIX.
# This is where all built CoreClr libraries will copied to.
export __CMakeBinDir="$__BinDir"

# Make the directories necessary for build if they don't exist
setup_dirs

# Set up the directory for MSBuild debug logs.
export MSBUILDDEBUGPATH="${__MsbuildDebugLogsDir}"

# Check prereqs.
check_prereqs

# Restore the package containing profile counts for profile-guided optimizations
restore_optdata

# Generate event logging infrastructure sources
generate_event_logging

# Build the coreclr (native) components.
__ExtraCmakeArgs="-DCLR_CMAKE_PGO_INSTRUMENT=$__PgoInstrument -DCLR_CMAKE_OPTDATA_PATH=$__PgoOptDataPath -DCLR_CMAKE_PGO_OPTIMIZE=$__PgoOptimize"

build_native $__SkipCoreCLR "$__BuildArch" "$__IntermediatesDir" "$__ExtraCmakeArgs" "CoreCLR component"

# Build cross-architecture components
if [ $__SkipCrossArchNative != 1 ]; then
    if [[ $__CrossBuild == 1 ]]; then
        build_cross_architecture_components
    fi
fi

# Build System.Private.CoreLib.

build_CoreLib

if [ $__CrossgenOnly == 1 ]; then
    build_CoreLib_ni "$__BinDir/crossgen"
fi

# Generate nuget packages
if [ $__SkipNuget != 1 ]; then
    generate_NugetPackages
fi


# Build complete

echo "Repo successfully built."
echo "Product binaries are available at $__BinDir"
exit 0