Consolidation resiliency fixes in CoreCLR build scripts (dotnet/corec…

…lr#27635)

Backport of my consolidation changes aimed at making principal
CoreCLR build scripts orthogonal to repo consolidation.

Thanks

Tomas


Commit migrated from dotnet/coreclr@3eea5cd

src/coreclr/build-packages.cmd

@@ -2,6 +2,10 @@
 setlocal EnableDelayedExpansion
 
 set "__ProjectDir=%~dp0"
+set "__RepoRootDir=%~dp0..\..\"
+
+rem Remove after repo consolidation
+if not exist "%__RepoRootDir%\.dotnet-runtime-placeholder" ( set "__RepoRootDir=!__ProjectDir!" )
 
 set "__args=%*"
 set processedArgs=
@@ -33,8 +37,8 @@ if [!processedArgs!]==[] (
 
 :ArgsDone
 
-set logFile=%__ProjectDir%bin\Logs\build-packages.binlog
-powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__ProjectDir%eng\common\build.ps1"^
+set logFile=%__RepoRootDir%bin\Logs\build-packages.binlog
+powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__RepoRootDir%eng\common\build.ps1"^
   -r -b -projects %__ProjectDir%src\.nuget\packages.builds^
   -verbosity minimal /bl:%logFile% /nodeReuse:false^
   /p:__BuildOS=Windows_NT^

src/coreclr/build-packages.sh

@@ -12,7 +12,7 @@ usage()
 
 initDistroRid()
 {
-    source init-distro-rid.sh
+    source ${__ProjectRoot}/init-distro-rid.sh
 
     local passedRootfsDir=""
 
@@ -25,6 +25,14 @@ initDistroRid()
 }
 
 __ProjectRoot="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+__RepoRootDir=${__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
+
 __IsPortableBuild=1
 __CrossBuild=0
 
@@ -126,7 +134,7 @@ if [ "${__DistroRid}" = "linux-musl-arm64" ]; then
 fi
 
 logFile=$__ProjectRoot/bin/Logs/build-packages.binlog
-$__ProjectRoot/eng/common/build.sh -r -b -projects $__ProjectRoot/src/.nuget/packages.builds \
+$__RepoRootDir/eng/common/build.sh -r -b -projects $__ProjectRoot/src/.nuget/packages.builds \
                                    -verbosity minimal -bl:$logFile \
                                    /p:__BuildOS=$__BuildOS \
                                    /p:PortableBuild=true /p:__DistroRid=$__DistroRid \

src/coreclr/build-test.cmd

@@ -31,6 +31,11 @@ set __BuildOS=Windows_NT
 set "__ProjectDir=%~dp0"
 :: remove trailing slash
 if %__ProjectDir:~-1%==\ set "__ProjectDir=%__ProjectDir:~0,-1%"
+set "__RepoRootDir=%__ProjectDir%\..\.."
+
+rem Remove after repo consolidation
+if not exist "%__RepoRootDir%\.dotnet-runtime-placeholder" ( set "__RepoRootDir=!__ProjectDir!" )
+
 set "__TestDir=%__ProjectDir%\tests"
 set "__ProjectFilesDir=%__TestDir%"
 set "__SourceDir=%__ProjectDir%\src"
@@ -283,7 +288,7 @@ set __MsbuildErr=/flp2:ErrorsOnly;LogFile="%__BuildErr%"
 set __Logging='!__MsbuildLog!' '!__MsbuildWrn!' '!__MsbuildErr!'
 
 REM Disable warnAsError - coreclr issue 19922
-powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -Command "%__ProjectDir%\eng\common\msbuild.ps1" %__ArcadeScriptArgs%^
+powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -Command "%__RepoRootDir%\eng\common\msbuild.ps1" %__ArcadeScriptArgs%^
   %__ProjectDir%\tests\build.proj -warnAsError:0 /t:BatchRestorePackages /nodeReuse:false^
   /p:RestoreDefaultOptimizationDataPackage=false /p:PortableBuild=true^
   /p:UsePartialNGENOptimization=false /maxcpucount^
@@ -329,7 +334,7 @@ set __NumberOfTestGroups=3
 if %__Priority% GTR 0 (set __NumberOfTestGroups=10)
 echo %__MsgPrefix%Building tests divided into %__NumberOfTestGroups% test groups
 
-set __CommonMSBuildCmdPrefix=powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -Command "!__ProjectDir!\eng\common\msbuild.ps1" !__ArcadeScriptArgs!
+set __CommonMSBuildCmdPrefix=powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -Command "!__RepoRootDir!\eng\common\msbuild.ps1" !__ArcadeScriptArgs!
 
 for /l %%G in (1, 1, %__NumberOfTestGroups%) do (
 
@@ -394,7 +399,7 @@ REM Check that we've built about as many tests as we expect. This is primarily i
 REM drastically fewer Pri-1 tests than expected.
 echo %__MsgPrefix%Check the managed tests build
 echo Running: dotnet msbuild %__ProjectDir%\tests\src\runtest.proj /t:CheckTestBuild /nodeReuse:false /p:CLRTestPriorityToBuild=%__Priority% %__msbuildArgs% %__unprocessedBuildArgs%
-powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__ProjectDir%\eng\common\msbuild.ps1" %__ArcadeScriptArgs%^
+powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__RepoRootDir%\eng\common\msbuild.ps1" %__ArcadeScriptArgs%^
     %__ProjectDir%\tests\src\runtest.proj /t:CheckTestBuild /nodeReuse:false /p:CLRTestPriorityToBuild=%__Priority% %__msbuildArgs% %__unprocessedBuildArgs%
 if errorlevel 1 (
     echo %__ErrMsgPrefix%%__MsgPrefix%Error: Check Test Build failed.
@@ -447,7 +452,7 @@ set __MsbuildWrn=/flp1:WarningsOnly;LogFile="%__BuildWrn%"
 set __MsbuildErr=/flp2:ErrorsOnly;LogFile="%__BuildErr%"
 set __Logging=!__MsbuildLog! !__MsbuildWrn! !__MsbuildErr!
 
-powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__ProjectDir%\eng\common\msbuild.ps1" %__ArcadeScriptArgs%^
+powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__RepoRootDir%\eng\common\msbuild.ps1" %__ArcadeScriptArgs%^
   %__ProjectDir%\tests\src\runtest.proj /t:CreateTestOverlay /nodeReuse:false^
   /p:RestoreDefaultOptimizationDataPackage=false /p:PortableBuild=true^
   /p:UsePartialNGENOptimization=false /maxcpucount^
@@ -480,7 +485,7 @@ set __MsbuildWrn=/flp1:WarningsOnly;LogFile="%__BuildWrn%"
 set __MsbuildErr=/flp2:ErrorsOnly;LogFile="%__BuildErr%"
 set __Logging=!__MsbuildLog! !__MsbuildWrn! !__MsbuildErr!
 
-powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__ProjectDir%\eng\common\msbuild.ps1" %__ArcadeScriptArgs%^
+powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__RepoRootDir%\eng\common\msbuild.ps1" %__ArcadeScriptArgs%^
   %__ProjectDir%\tests\src\runtest.proj /t:CreateTestHost /nodeReuse:false^
   /p:RestoreDefaultOptimizationDataPackage=false /p:PortableBuild=true^
   /p:UsePartialNGENOptimization=false /maxcpucount^

src/coreclr/build-test.sh

@@ -4,7 +4,7 @@ __PortableBuild=1
 
 initTargetDistroRid()
 {
-    source init-distro-rid.sh
+    source ${__ProjectDir}/init-distro-rid.sh
 
     # Only pass ROOTFS_DIR if cross is specified.
     if (( ${__CrossBuild} == 1 )); then
@@ -431,7 +431,7 @@ build_MSBuild_projects()
             buildArgs+=("/p:__SkipPackageRestore=true");
 
             # Disable warnAsError - coreclr issue 19922
-            nextCommand="\"$__ProjectRoot/eng/common/msbuild.sh\" $__ArcadeScriptArgs --warnAsError false ${buildArgs[@]}"
+            nextCommand="\"$__RepoRootDir/eng/common/msbuild.sh\" $__ArcadeScriptArgs --warnAsError false ${buildArgs[@]}"
             echo "Building step '$stepName' testGroupToBuild=$testGroupToBuild via $nextCommand"
             eval $nextCommand
 
@@ -463,7 +463,7 @@ build_MSBuild_projects()
         buildArgs+=("${__UnprocessedBuildArgs[@]}")
 
         # Disable warnAsError - coreclr issue 19922
-        nextCommand="\"$__ProjectRoot/eng/common/msbuild.sh\" $__ArcadeScriptArgs --warnAsError false ${buildArgs[@]}"
+        nextCommand="\"$__RepoRootDir/eng/common/msbuild.sh\" $__ArcadeScriptArgs --warnAsError false ${buildArgs[@]}"
         echo "Building step '$stepName' via $nextCommand"
         eval $nextCommand
 
@@ -505,7 +505,7 @@ build_native_projects()
         __versionSourceFile="$intermediatesForBuild/version.c"
         if [ $__SkipGenerateVersion == 0 ]; then
             pwd
-            $__ProjectRoot/eng/common/msbuild.sh $__ProjectRoot/eng/empty.csproj \
+            $__RepoRootDir/eng/common/msbuild.sh $__ProjectRoot/eng/empty.csproj \
                                                  /p:NativeVersionFile=$__versionSourceFile \
                                                  /t:GenerateNativeVersionFile /restore \
                                                  $__CommonMSBuildArgs $__UnprocessedBuildArgs
@@ -605,6 +605,13 @@ usage()
 
 # Obtain the location of the bash script to figure out where the root of the repo is.
 __ProjectRoot="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+__RepoRootDir=${__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
 
 # Use uname to determine what the CPU is.
 CPUName=$(uname -p)

src/coreclr/build.cmd

@@ -33,8 +33,9 @@ set ghprbCommentBody=
 ::      __BuildType         -- default: Debug
 ::      __BuildOS           -- default: Windows_NT
 ::      __ProjectDir        -- default: directory of the dir.props file
+::      __RepoRootDir       -- default: directory two levels above the dir.props file
 ::      __SourceDir         -- default: %__ProjectDir%\src\
-::      __RootBinDir        -- default: %__ProjectDir%\bin\
+::      __RootBinDir        -- default: %__ProjectDir%\artifacts\
 ::      __BinDir            -- default: %__RootBinDir%\%__BuildOS%.%__BuildArch.%__BuildType%\
 ::      __IntermediatesDir
 ::      __PackagesBinDir    -- default: %__BinDir%\.nuget
@@ -50,6 +51,11 @@ set __BuildOS=Windows_NT
 set "__ProjectDir=%~dp0"
 :: remove trailing slash
 if %__ProjectDir:~-1%==\ set "__ProjectDir=%__ProjectDir:~0,-1%"
+set "__RepoRootDir=%__ProjectDir%\..\.."
+
+rem Remove after repo consolidation
+if not exist "%__RepoRootDir%\.dotnet-runtime-placeholder" ( set "__RepoRootDir=!__ProjectDir!" )
+
 set "__ProjectFilesDir=%__ProjectDir%"
 set "__SourceDir=%__ProjectDir%\src"
 set "__RootBinDir=%__ProjectDir%\bin"
@@ -367,7 +373,7 @@ REM ============================================================================
 
 @if defined _echo @echo on
 
-powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__ProjectDir%\eng\common\msbuild.ps1" %__ArcadeScriptArgs%^
+powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__RepoRootDir%\eng\common\msbuild.ps1" %__ArcadeScriptArgs%^
     %__ProjectDir%\eng\empty.csproj /p:NativeVersionFile="%__RootBinDir%\obj\_version.h"^
     /t:GenerateNativeVersionFile /restore^
     %__CommonMSBuildArgs% %__UnprocessedBuildArgs%
@@ -385,7 +391,7 @@ REM ============================================================================
 set OptDataProjectFilePath=%__ProjectDir%\src\.nuget\optdata\optdata.csproj
 if %__RestoreOptData% EQU 1 (
     echo %__MsgPrefix%Restoring the OptimizationData Package
-    powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__ProjectDir%\eng\common\msbuild.ps1" %__ArcadeScriptArgs%^
+    powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__RepoRootDir%\eng\common\msbuild.ps1" %__ArcadeScriptArgs%^
         %OptDataProjectFilePath% /t:Restore^
         %__CommonMSBuildArgs% %__UnprocessedBuildArgs%
     if not !errorlevel! == 0 (
@@ -398,7 +404,7 @@ set PgoDataPackagePathOutputFile="%__IntermediatesDir%\optdatapath.txt"
 set IbcDataPackagePathOutputFile="%__IntermediatesDir%\ibcoptdatapath.txt"
 
 REM Parse the optdata package versions out of msbuild so that we can pass them on to CMake
-powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__ProjectDir%\eng\common\msbuild.ps1" %__ArcadeScriptArgs%^
+powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__RepoRootDir%\eng\common\msbuild.ps1" %__ArcadeScriptArgs%^
     "%OptDataProjectFilePath%" /t:DumpPgoDataPackagePath %__CommonMSBuildArgs% /p:PgoDataPackagePathOutputFile="!PgoDataPackagePathOutputFile!"
 
  if not !errorlevel! == 0 (
@@ -412,7 +418,7 @@ if not exist "!PgoDataPackagePathOutputFile!" (
 
 set /p __PgoOptDataPath=<"!PgoDataPackagePathOutputFile!"
 
-powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__ProjectDir%\eng\common\msbuild.ps1" %__ArcadeScriptArgs%^
+powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__RepoRootDir%\eng\common\msbuild.ps1" %__ArcadeScriptArgs%^
     "%OptDataProjectFilePath%" /t:DumpIbcDataPackagePath /nologo %__CommonMSBuildArgs% /p:IbcDataPackagePathOutputFile="!IbcDataPackagePathOutputFile!"
 
  if not !errorlevel! == 0 (
@@ -628,7 +634,7 @@ if %__BuildCoreLib% EQU 1 (
         set __MsbuildErr=/flp2:ErrorsOnly;LogFile=!__BuildErr!
         set __Logging=!__MsbuildLog! !__MsbuildWrn! !__MsbuildErr!
 
-        powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__ProjectDir%\eng\common\msbuild.ps1" %__ArcadeScriptArgs%^
+        powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__RepoRootDir%\eng\common\msbuild.ps1" %__ArcadeScriptArgs%^
             %__ProjectDir%\src\build.proj /t:Restore^
             /nodeReuse:false /p:PortableBuild=true /maxcpucount /p:IncludeRestoreOnlyProjects=true^
             !__Logging! %__CommonMSBuildArgs% !__ExtraBuildArgs! %__UnprocessedBuildArgs%
@@ -641,7 +647,7 @@ if %__BuildCoreLib% EQU 1 (
         )
 
         REM Disable warnAsError to work around VS bug (948084) where ucrt lib path is not set properly, resulting in CS1668
-        powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -Command "%__ProjectDir%\eng\common\msbuild.ps1" %__ArcadeScriptArgs%^
+        powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -Command "%__RepoRootDir%\eng\common\msbuild.ps1" %__ArcadeScriptArgs%^
             %__ProjectDir%\src\build.proj -warnAsError:0^
             /nodeReuse:false /p:PortableBuild=true /maxcpucount^
             '!__MsbuildLog!' '!__MsbuildWrn!' '!__MsbuildErr!' %__CommonMSBuildArgs% !__ExtraBuildArgs! %__UnprocessedBuildArgs%
@@ -673,7 +679,7 @@ if %__BuildCoreLib% EQU 1 (
         echo %__MsgPrefix%Commencing IBCMerge of System.Private.CoreLib for %__BuildOS%.%__BuildArch%.%__BuildType%
         set IbcMergeProjectFilePath=%__ProjectDir%\src\.nuget\optdata\ibcmerge.csproj
         set IbcMergePackagePathOutputFile="%__IntermediatesDir%\ibcmergepath.txt"
-        powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__ProjectDir%\eng\common\msbuild.ps1" %__ArcadeScriptArgs%^
+        powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__RepoRootDir%\eng\common\msbuild.ps1" %__ArcadeScriptArgs%^
             "!IbcMergeProjectFilePath!" /t:DumpIbcMergePackagePath /nologo %__CommonMSBuildArgs% /p:IbcMergePackagePathOutputFile="!IbcMergePackagePathOutputFile!"
 
         if not !errorlevel! == 0 (
@@ -871,7 +877,7 @@ if %__BuildPackages% EQU 1 (
 
     REM The conditions as to what to build are captured in the builds file.
     REM Package build uses the Arcade system and scripts, relying on it to restore required toolsets as part of build
-    powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__ProjectDir%\eng\common\build.ps1"^
+    powershell -NoProfile -ExecutionPolicy ByPass -NoLogo -File "%__RepoRootDir%\eng\common\build.ps1"^
         -r -b -projects %__SourceDir%\.nuget\packages.builds^
         -verbosity minimal /nodeReuse:false /bl:!__BuildLog!^
         /p:PortableBuild=true^

src/coreclr/build.sh

@@ -67,7 +67,7 @@ usage()
 
 initTargetDistroRid()
 {
-    source init-distro-rid.sh
+    source ${__ProjectDir}/init-distro-rid.sh
 
     local passedRootfsDir=""
 
@@ -143,7 +143,7 @@ restore_optdata()
     local OptDataProjectFilePath="$__ProjectRoot/src/.nuget/optdata/optdata.csproj"
     if [[ ( $__SkipRestoreOptData == 0 ) && ( $__isMSBuildOnNETCoreSupported == 1 ) ]]; then
         echo "Restoring the OptimizationData package"
-        "$__ProjectRoot/eng/common/msbuild.sh" $__ArcadeScriptArgs \
+        "$__RepoRootDir/eng/common/msbuild.sh" $__ArcadeScriptArgs \
                                                $OptDataProjectFilePath /t:Restore /m \
                                                $__CommonMSBuildArgs $__UnprocessedBuildArgs
         local exit_code=$?
@@ -160,7 +160,7 @@ restore_optdata()
         local IbcDataPackagePathOutputFile="${__IntermediatesDir}/ibcoptdatapath.txt"
 
         # Writes into ${PgoDataPackagePathOutputFile}
-        "$__ProjectRoot/eng/common/msbuild.sh" $__ArcadeScriptArgs $OptDataProjectFilePath /t:DumpPgoDataPackagePath ${__CommonMSBuildArgs} /p:PgoDataPackagePathOutputFile=${PgoDataPackagePathOutputFile} 2>&1 > /dev/null
+        "$__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 "${__ErrMsgPrefix}Failed to get PGO data package path."
@@ -170,7 +170,7 @@ restore_optdata()
         __PgoOptDataPath=$(<"${PgoDataPackagePathOutputFile}")
 
         # Writes into ${IbcDataPackagePathOutputFile}
-        "$__ProjectRoot/eng/common/msbuild.sh" $__ArcadeScriptArgs $OptDataProjectFilePath /t:DumpIbcDataPackagePath ${__CommonMSBuildArgs} /p:IbcDataPackagePathOutputFile=${IbcDataPackagePathOutputFile} 2>&1 > /dev/null
+        "$__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 "${__ErrMsgPrefix}Failed to get IBC data package path."
@@ -235,7 +235,7 @@ build_native()
         __versionSourceFile="$intermediatesForBuild/version.c"
         if [ $__SkipGenerateVersion == 0 ]; then
             pwd
-            "$__ProjectRoot/eng/common/msbuild.sh" $__ArcadeScriptArgs $__ProjectRoot/eng/empty.csproj \
+            "$__RepoRootDir/eng/common/msbuild.sh" $__ArcadeScriptArgs $__ProjectRoot/eng/empty.csproj \
                                                    /p:NativeVersionFile=$__versionSourceFile \
                                                    /t:GenerateNativeVersionFile /restore \
                                                    $__CommonMSBuildArgs $__UnprocessedBuildArgs
@@ -431,7 +431,7 @@ build_CoreLib()
         __ExtraBuildArgs="$__ExtraBuildArgs /p:BuildManagedTools=true"
     fi
 
-    "$__ProjectRoot/eng/common/msbuild.sh" $__ArcadeScriptArgs \
+    "$__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 \
@@ -444,7 +444,7 @@ build_CoreLib()
         exit $exit_code
     fi
 
-    "$__ProjectRoot/eng/common/msbuild.sh" $__ArcadeScriptArgs \
+    "$__RepoRootDir/eng/common/msbuild.sh" $__ArcadeScriptArgs \
                                            $__ProjectDir/src/build.proj \
                                            /p:PortableBuild=true /maxcpucount \
                                            /flp:Verbosity=normal\;LogFile=$__LogsDir/System.Private.CoreLib_$__BuildOS__$__BuildArch__$__BuildType.log \
@@ -538,7 +538,7 @@ generate_NugetPackages()
     echo "ROOTFS_DIR is "$ROOTFS_DIR
     # Build the packages
     # Package build uses the Arcade system and scripts, relying on it to restore required toolsets as part of build
-    $__ProjectRoot/eng/common/build.sh -r -b -projects $__SourceDir/.nuget/packages.builds \
+    $__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 \
@@ -560,9 +560,18 @@ echo "Commencing CoreCLR Repo build"
 #
 # Set the default arguments for build
 
-# Obtain the location of the bash script to figure out where the root of the repo is.
+# 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=${__ProjectRoot}
+fi
+# END SECTION to remove after repo consolidation
+
 # Use uname to determine what the CPU is.
 CPUName=$(uname -p)
 # Some Linux platforms report unknown for platform, but the arch for machine.