corehost: derive fallback rid from output rid. (#82163)

Author: tmds

eng/native/build-commons.sh

@@ -542,3 +542,6 @@ initTargetDistroRid
 if [ -z "$__OutputRid" ]; then
     __OutputRid="$(echo $__DistroRid | tr '[:upper:]' '[:lower:]')"
 fi
+
+# When the host runs on an unknown rid, it falls back to the output rid
+__HostFallbackOS="${__OutputRid%-*}" # Strip architecture

src/coreclr/build-runtime.cmd

@@ -70,6 +70,7 @@ set __PgoOptDataPath=
 set __CMakeArgs=
 set __Ninja=1
 set __RequestedBuildComponents=
+set __OutputRid=
 
 :Arg_Loop
 if "%1" == "" goto ArgsDone
@@ -128,6 +129,7 @@ if [!__PassThroughArgs!]==[] (
 
 if /i "%1" == "-hostarch"            (set __HostArch=%2&shift&shift&goto Arg_Loop)
 if /i "%1" == "-os"                  (set __TargetOS=%2&shift&shift&goto Arg_Loop)
+if /i "%1" == "-outputrid"           (set __OutputRid=%2&shift&shift&goto Arg_Loop)
 
 if /i "%1" == "-cmakeargs"           (set __CMakeArgs=%2 %__CMakeArgs%&set __remainingArgs="!__remainingArgs:*%2=!"&shift&shift&goto Arg_Loop)
 if /i "%1" == "-configureonly"       (set __ConfigureOnly=1&set __BuildNative=1&shift&goto Arg_Loop)
@@ -327,6 +329,14 @@ REM === Build Native assets including CLR runtime
 REM ===
 REM =========================================================================================
 
+:: When the host runs on an unknown rid, it falls back to the output rid
+:: Strip the architecture
+for /f "delims=-" %%i in ("%__OutputRid%") do set __HostFallbackOS=%%i
+:: The "win" host build is Windows 10 compatible
+if "%__HostFallbackOS%" == "win"       (set __HostFallbackOS=win10)
+:: Default to "win10" fallback
+if "%__HostFallbackOS%" == ""          (set __HostFallbackOS=win10)
+
 if %__BuildNative% EQU 1 (
     REM Scope environment changes start {
     setlocal
@@ -355,7 +365,7 @@ if %__BuildNative% EQU 1 (
         set __ExtraCmakeArgs="-DCMAKE_BUILD_TYPE=!__BuildType!"
     )
 
-    set __ExtraCmakeArgs=!__ExtraCmakeArgs! "-DCLR_CMAKE_TARGET_ARCH=%__TargetArch%" "-DCLR_CMAKE_TARGET_OS=%__TargetOS%" "-DCLR_CMAKE_PGO_INSTRUMENT=%__PgoInstrument%" "-DCLR_CMAKE_OPTDATA_PATH=%__PgoOptDataPath%" "-DCLR_CMAKE_PGO_OPTIMIZE=%__PgoOptimize%" %__CMakeArgs%
+    set __ExtraCmakeArgs=!__ExtraCmakeArgs! "-DCLR_CMAKE_TARGET_ARCH=%__TargetArch%" "-DCLR_CMAKE_TARGET_OS=%__TargetOS%" "-DCLI_CMAKE_FALLBACK_OS=%__HostFallbackOS%" "-DCLR_CMAKE_PGO_INSTRUMENT=%__PgoInstrument%" "-DCLR_CMAKE_OPTDATA_PATH=%__PgoOptDataPath%" "-DCLR_CMAKE_PGO_OPTIMIZE=%__PgoOptimize%" %__CMakeArgs%
     echo Calling "%__RepoRootDir%\eng\native\gen-buildsys.cmd" "%__ProjectDir%" "%__IntermediatesDir%" %__VSVersion% %__HostArch% %__TargetOS% !__ExtraCmakeArgs!
     call "%__RepoRootDir%\eng\native\gen-buildsys.cmd" "%__ProjectDir%" "%__IntermediatesDir%" %__VSVersion% %__HostArch% %__TargetOS% !__ExtraCmakeArgs!
     if not !errorlevel! == 0 (

src/coreclr/build-runtime.sh

@@ -146,7 +146,7 @@ export MSBUILDDEBUGPATH
 check_prereqs
 
 # Build the coreclr (native) components.
-__CMakeArgs="-DCLR_CMAKE_PGO_INSTRUMENT=$__PgoInstrument -DCLR_CMAKE_OPTDATA_PATH=$__PgoOptDataPath -DCLR_CMAKE_PGO_OPTIMIZE=$__PgoOptimize $__CMakeArgs"
+__CMakeArgs="-DCLR_CMAKE_PGO_INSTRUMENT=$__PgoInstrument -DCLR_CMAKE_OPTDATA_PATH=$__PgoOptDataPath -DCLR_CMAKE_PGO_OPTIMIZE=$__PgoOptimize -DCLI_CMAKE_FALLBACK_OS=\"$__HostFallbackOS\" $__CMakeArgs"
 
 if [[ "$__SkipConfigure" == 0 && "$__CodeCoverage" == 1 ]]; then
     __CMakeArgs="-DCLR_CMAKE_ENABLE_CODE_COVERAGE=1 $__CMakeArgs"

src/coreclr/runtime.proj

@@ -37,6 +37,7 @@
       <_CoreClrBuildArg Condition="'$(PgoInstrument)' == 'true'" Include="-pgoinstrument" />
       <_CoreClrBuildArg Condition="'$(NativeOptimizationDataSupported)' == 'true' and '$(NoPgoOptimize)' != 'true' and '$(PgoInstrument)' != 'true'" Include="-pgodatapath &quot;$(PgoPackagePath)&quot;" />
       <_CoreClrBuildArg Condition="'$(HostArchitecture)' != ''" Include="-hostarch $(HostArchitecture)" />
+      <_CoreClrBuildArg Include="-outputrid $(OutputRid)" />
     </ItemGroup>
 
     <ItemGroup Condition="'$(ClrFullNativeBuild)' != 'true'">

src/native/corehost/build.cmd

@@ -20,6 +20,7 @@ set __PortableBuild=0
 set __ConfigureOnly=0
 set __IncrementalNativeBuild=0
 set __Ninja=1
+set __OutputRid=""
 
 :Arg_Loop
 if [%1] == [] goto :InitVSEnv
@@ -35,7 +36,7 @@ if /i [%1] == [amd64]       (set __BuildArch=x64&&shift&goto Arg_Loop)
 if /i [%1] == [arm64]       (set __BuildArch=arm64&&shift&goto Arg_Loop)
 
 if /i [%1] == [portable]    (set __PortableBuild=1&&shift&goto Arg_Loop)
-if /i [%1] == [rid]         (set __TargetRid=%2&&shift&&shift&goto Arg_Loop)
+if /i [%1] == [outputrid]   (set __OutputRid=%2&&shift&&shift&goto Arg_Loop)
 if /i [%1] == [toolsetDir]  (set "__ToolsetDir=%2"&&shift&&shift&goto Arg_Loop)
 if /i [%1] == [hostver]     (set __HostVersion=%2&&shift&&shift&goto Arg_Loop)
 if /i [%1] == [apphostver]  (set __AppHostVersion=%2&&shift&&shift&goto Arg_Loop)
@@ -70,16 +71,16 @@ echo Configuring corehost native components
 echo.
 
 if %__CMakeBinDir% == "" (
-    set "__CMakeBinDir=%__binDir%\%__TargetRid%.%CMAKE_BUILD_TYPE%"
+    set "__CMakeBinDir=%__binDir%\%__OutputRid%.%CMAKE_BUILD_TYPE%"
 )
 
 if %__IntermediatesDir% == "" (
-    set "__IntermediatesDir=%__objDir%\%__TargetRid%.%CMAKE_BUILD_TYPE%\corehost"
+    set "__IntermediatesDir=%__objDir%\%__OutputRid%.%CMAKE_BUILD_TYPE%\corehost"
 )
 if %__Ninja% == 0 (
     set "__IntermediatesDir=%__IntermediatesDir%\ide"
 )
-set "__ResourcesDir=%__objDir%\%__TargetRid%.%CMAKE_BUILD_TYPE%\hostResourceFiles"
+set "__ResourcesDir=%__objDir%\%__OutputRid%.%CMAKE_BUILD_TYPE%\hostResourceFiles"
 set "__CMakeBinDir=%__CMakeBinDir:\=/%"
 set "__IntermediatesDir=%__IntermediatesDir:\=/%"
 
@@ -100,8 +101,14 @@ if /i "%__PortableBuild%" == "1"   (set cm_BaseRid=win)
 set cm_BaseRid=%cm_BaseRid%-%__BuildArch%
 echo "Computed RID for native build is %cm_BaseRid%"
 
+:: When the host runs on an unknown rid, it falls back to the output rid
+:: Strip the architecture
+for /f "delims=-" %%i in ("%__OutputRid%") do set __HostFallbackOS=%%i
+:: The "win" host build is Windows 10 compatible
+if "%__HostFallbackOS%" == "win"       (set __HostFallbackOS=win10)
+
 set __ExtraCmakeParams=%__ExtraCmakeParams% "-DCLI_CMAKE_HOST_VER=%__HostVersion%" "-DCLI_CMAKE_COMMON_HOST_VER=%__AppHostVersion%" "-DCLI_CMAKE_HOST_FXR_VER=%__HostFxrVersion%"
-set __ExtraCmakeParams=%__ExtraCmakeParams% "-DCLI_CMAKE_HOST_POLICY_VER=%__HostPolicyVersion%" "-DCLI_CMAKE_PKG_RID=%cm_BaseRid%" "-DCLI_CMAKE_COMMIT_HASH=%__CommitSha%"
+set __ExtraCmakeParams=%__ExtraCmakeParams% "-DCLI_CMAKE_HOST_POLICY_VER=%__HostPolicyVersion%" "-DCLI_CMAKE_PKG_RID=%cm_BaseRid%" "-DCLI_CMAKE_FALLBACK_OS=%__HostFallbackOS%" "-DCLI_CMAKE_COMMIT_HASH=%__CommitSha%"
 set __ExtraCmakeParams=%__ExtraCmakeParams% "-DRUNTIME_FLAVOR=%__RuntimeFlavor% "
 set __ExtraCmakeParams=%__ExtraCmakeParams% "-DCLI_CMAKE_RESOURCE_DIR=%__ResourcesDir%" "-DCMAKE_BUILD_TYPE=%CMAKE_BUILD_TYPE%"
 

src/native/corehost/build.sh

@@ -80,7 +80,7 @@ __IntermediatesDir="$__RootBinDir/obj/$__OutputRid.$__BuildType"
 export __BinDir __IntermediatesDir __RuntimeFlavor
 
 __CMakeArgs="-DCLI_CMAKE_HOST_VER=\"$__host_ver\" -DCLI_CMAKE_COMMON_HOST_VER=\"$__apphost_ver\" -DCLI_CMAKE_HOST_FXR_VER=\"$__fxr_ver\" $__CMakeArgs"
-__CMakeArgs="-DCLI_CMAKE_HOST_POLICY_VER=\"$__policy_ver\" -DCLI_CMAKE_PKG_RID=\"$__OutputRid\" -DCLI_CMAKE_COMMIT_HASH=\"$__commit_hash\" $__CMakeArgs"
+__CMakeArgs="-DCLI_CMAKE_HOST_POLICY_VER=\"$__policy_ver\" -DCLI_CMAKE_PKG_RID=\"$__OutputRid\" -DCLI_CMAKE_FALLBACK_OS=\"$__HostFallbackOS\" -DCLI_CMAKE_COMMIT_HASH=\"$__commit_hash\" $__CMakeArgs"
 __CMakeArgs="-DRUNTIME_FLAVOR=\"$__RuntimeFlavor\" $__CMakeArgs"
 __CMakeArgs="-DFEATURE_DISTRO_AGNOSTIC_SSL=$__PortableBuild $__CMakeArgs"
 

src/native/corehost/corehost.proj

@@ -133,7 +133,7 @@
     <PropertyGroup>
       <BuildScript>$([MSBuild]::NormalizePath('$(MSBuildThisFileDirectory)', 'build.cmd'))</BuildScript>
 
-      <BuildArgs>$(Configuration) $(TargetArchitecture) apphostver $(AppHostVersion) hostver $(HostVersion) fxrver $(HostResolverVersion) policyver $(HostPolicyVersion) commit $([MSBuild]::ValueOrDefault('$(SourceRevisionId)', 'N/A')) rid $(OutputRid)</BuildArgs>
+      <BuildArgs>$(Configuration) $(TargetArchitecture) apphostver $(AppHostVersion) hostver $(HostVersion) fxrver $(HostResolverVersion) policyver $(HostPolicyVersion) commit $([MSBuild]::ValueOrDefault('$(SourceRevisionId)', 'N/A')) outputrid $(OutputRid)</BuildArgs>
       <BuildArgs Condition="'$(ConfigureOnly)' == 'true'">$(BuildArgs) configureonly</BuildArgs>
       <BuildArgs Condition="'$(PortableBuild)' == 'true'">$(BuildArgs) portable</BuildArgs>
       <BuildArgs Condition="'$(IncrementalNativeBuild)' == 'true'">$(BuildArgs) incremental-native-build</BuildArgs>

src/native/corehost/hostmisc/pal.h

@@ -67,27 +67,12 @@
 #if defined(TARGET_WINDOWS)
 #define LIB_PREFIX ""
 #define LIB_FILE_EXT ".dll"
-#define FALLBACK_HOST_RID _X("win10")
 #elif defined(TARGET_OSX)
 #define LIB_PREFIX "lib"
 #define LIB_FILE_EXT ".dylib"
-#define FALLBACK_HOST_RID _X("osx.10.12")
 #else
 #define LIB_PREFIX "lib"
 #define LIB_FILE_EXT ".so"
-#if defined(TARGET_FREEBSD)
-#define FALLBACK_HOST_RID _X("freebsd")
-#elif defined(TARGET_ILLUMOS)
-#define FALLBACK_HOST_RID _X("illumos")
-#elif defined(TARGET_SUNOS)
-#define FALLBACK_HOST_RID _X("solaris")
-#elif defined(TARGET_LINUX_MUSL)
-#define FALLBACK_HOST_RID _X("linux-musl")
-#elif defined(TARGET_ANDROID)
-#define FALLBACK_HOST_RID _X("linux-bionic")
-#else
-#define FALLBACK_HOST_RID _X("linux")
-#endif
 #endif
 
 #define _STRINGIFY(s) _X(s)
@@ -276,9 +261,7 @@ namespace pal
     string_t get_current_os_rid_platform();
     inline string_t get_current_os_fallback_rid()
     {
-        string_t fallbackRid(FALLBACK_HOST_RID);
-
-        return fallbackRid;
+        return _STRINGIFY(FALLBACK_HOST_OS);
     }
 
     const void* mmap_read(const string_t& path, size_t* length = nullptr);

src/native/corehost/setup.cmake

@@ -50,3 +50,9 @@ else()
         add_definitions(-DREPO_COMMIT_HASH="${CLI_CMAKE_COMMIT_HASH}")
     endif()
 endif()
+
+if("${CLI_CMAKE_FALLBACK_OS}" STREQUAL "")
+    message(FATAL_ERROR "Fallback rid needs to be specified to build the host")
+else()
+    add_definitions(-DFALLBACK_HOST_OS="${CLI_CMAKE_FALLBACK_OS}")
+endif()