From 4621c5ddc605d0cfa21e2ab8fec12145165bd25e Mon Sep 17 00:00:00 2001
PatchSource: https://github.com/dotnet/installer/pull/13410
From: Antoine Martin <dev@ayakael.net>
Date: Sun, 13 Mar 2022 23:28:21 +0000
Subject: [PATCH 1/1] musl-build-fiox

Musl build fix for installer

---
 src/SourceBuild/tarball/content/Directory.Build.props | 8 ++++++++
 src/SourceBuild/tarball/content/repos/aspnetcore.proj | 2 ++
 src/SourceBuild/tarball/content/repos/installer.proj  | 3 ++-
 src/redist/targets/GetRuntimeInformation.targets      | 9 +++++++++
 4 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/SourceBuild/tarball/content/Directory.Build.props b/src/SourceBuild/tarball/content/Directory.Build.props
index fdc0999af..ec508d8a9 100644
--- a/src/SourceBuild/tarball/content/Directory.Build.props
+++ b/src/SourceBuild/tarball/content/Directory.Build.props
@@ -170,7 +170,14 @@
     <ArmEnvironmentVariables Condition="'$(Platform)' == 'armel'">ROOTFS_DIR=$(BaseIntermediatePath)crossrootfs/armel</ArmEnvironmentVariables>
   </PropertyGroup>
 
+  <Exec IgnoreExitCode="true" Command="ldd --version 2&gt;&amp;1 | grep -q musl">
+    <Output TaskParameter="ExitCode" PropertyName="OSPlatformIsMuslCheck" />
+  </Exec>
+
   <PropertyGroup>
+    <OSPlatformIsMusl Condition="$(OSPlatformIsMuslCheck) == '0'">true</OSPlatformIsMusl>
+    <OSPlatformIsMusl Condition="$(OSPlatformIsMusl) == ''">false</OSPlatformIsMusl>
+
     <TargetRid Condition="'$(TargetRid)' == ''">$([System.Runtime.InteropServices.RuntimeInformation]::RuntimeIdentifier)</TargetRid>
 
     <TargetOS Condition="'$(TargetOS)' == '' AND $([MSBuild]::IsOSPlatform('WINDOWS'))">Windows_NT</TargetOS>
@@ -183,6 +190,7 @@
     <TargetRid Condition="'$(TargetOS)' == 'FreeBSD'">freebsd-$(Platform)</TargetRid>
     <TargetRid Condition="'$(TargetOS)' == 'OSX'">osx-$(Platform)</TargetRid>
     <TargetRid Condition="'$(TargetOS)' == 'Linux'">linux-$(Platform)</TargetRid>
+    <TargetRid Condition="'$(TargetOS)' == 'Linux' AND '$(OSPlatformIsMusl)' == 'true'">linux-musl-$(Platform)</TargetRid>
     <TargetRid Condition="'$(TargetOS)' == 'Windows_NT'">win-$(Platform)</TargetRid>
   </PropertyGroup>
 
diff --git a/src/SourceBuild/tarball/content/repos/aspnetcore.proj b/src/SourceBuild/tarball/content/repos/aspnetcore.proj
index 480f3c713..04694770d 100644
--- a/src/SourceBuild/tarball/content/repos/aspnetcore.proj
+++ b/src/SourceBuild/tarball/content/repos/aspnetcore.proj
@@ -15,6 +15,8 @@
     <!-- https://github.com/dotnet/sdk/pull/20136 has not flowed into our bootstrap SDK yet, which causes file-in-use issues in ASP.NET
          due to an interaction with the RemoveSharedFrameworkDependencies task.  disable package validation until this is fixed.  -->
     <BuildCommandArgs>$(BuildCommandArgs) /p:EnablePackageValidation=false</BuildCommandArgs>
+    <!-- below is temporary fix till https://github.com/dotnet/aspnetcore/issues/39822 is addressed -->
+    <BuildCommandArgs Condition="'$(OSPlatformIsMusl)' == 'true'">$(BuildCommandArgs) --os-name linux-musl</BuildCommandArgs>
     <BuildCommand>$(ProjectDirectory)\eng\build$(ShellExtension) $(BuildCommandArgs)</BuildCommand>
 
     <LogVerbosityOptOut>true</LogVerbosityOptOut>
diff --git a/src/SourceBuild/tarball/content/repos/installer.proj b/src/SourceBuild/tarball/content/repos/installer.proj
index 712d7cd14..587384128 100644
--- a/src/SourceBuild/tarball/content/repos/installer.proj
+++ b/src/SourceBuild/tarball/content/repos/installer.proj
@@ -25,7 +25,8 @@
     <BuildCommandArgs Condition="'$(TargetOS)' == 'Linux'">$(BuildCommandArgs) /p:Rid=$(TargetRid)</BuildCommandArgs>
     <BuildCommandArgs>$(BuildCommandArgs) /p:DOTNET_INSTALL_DIR=$(DotNetCliToolDir)</BuildCommandArgs>
 
-    <BuildCommandArgs Condition="'$(TargetOS)' == 'Linux'">$(BuildCommandArgs) /p:AspNetCoreSharedFxInstallerRid=linux-$(Platform)</BuildCommandArgs>
+    <BuildCommandArgs Condition="'$(TargetOS)' == 'Linux' AND '$(OSPlatformIsMusl)' == 'false'">$(BuildCommandArgs) /p:AspNetCoreSharedFxInstallerRid=linux-$(Platform)</BuildCommandArgs>
+    <BuildCommandArgs Condition="'$(TargetOS)' == 'Linux' AND '$(OSPlatformIsMusl)' == 'true'">$(BuildCommandArgs) /p:AspNetCoreSharedFxInstallerRid=linux-musl-$(Platform)</BuildCommandArgs>
     <!-- core-sdk always wants to build portable on OSX and FreeBSD -->
     <BuildCommandArgs Condition="'$(TargetOS)' == 'FreeBSD'">$(BuildCommandArgs) /p:CoreSetupRid=freebsd-x64 /p:PortableBuild=true</BuildCommandArgs>
     <BuildCommandArgs Condition="'$(TargetOS)' == 'OSX'">$(BuildCommandArgs) /p:CoreSetupRid=osx-x64</BuildCommandArgs>
diff --git a/src/redist/targets/GetRuntimeInformation.targets b/src/redist/targets/GetRuntimeInformation.targets
index 5133c3a38..01ac03776 100644
--- a/src/redist/targets/GetRuntimeInformation.targets
+++ b/src/redist/targets/GetRuntimeInformation.targets
@@ -1,6 +1,13 @@
 <Project>
   <Target Name="GetCurrentRuntimeInformation">
+    <Exec IgnoreExitCode="true" Command="ldd --version 2&gt;&amp;1 | grep -q musl">
+      <Output TaskParameter="ExitCode" PropertyName="OSPlatformIsMuslCheck" />
+    </Exec>
+
     <PropertyGroup>
+      <OSPlatformIsMusl Condition="$(OSPlatformIsMuslCheck) == '0'">true</OSPlatformIsMusl>
+      <OSPlatformIsMusl Condition="$(OSPlatformIsMusl) == ''">false</OSPlatformIsMusl>
+
       <HostRid Condition="'$(HostRid)' == '' and '$(MSBuildRuntimeType)' == 'core'">$([System.Runtime.InteropServices.RuntimeInformation]::RuntimeIdentifier)</HostRid>
       <HostRid Condition="'$(HostRid)' == '' and '$(MSBuildRuntimeType)' != 'core'">win-$([System.Runtime.InteropServices.RuntimeInformation]::OSArchitecture.ToString().ToLowerInvariant)</HostRid>
 
@@ -9,6 +16,8 @@
       <HostOSName Condition=" '$(HostOSName)' == '' AND $([MSBuild]::IsOSPlatform('OSX')) ">osx</HostOSName>
       <HostOSName Condition=" '$(HostOSName)' == '' AND $([MSBuild]::IsOSPlatform('FREEBSD')) ">freebsd</HostOSName>
       <HostOSName Condition=" '$(HostOSName)' == '' AND '$(IsLinux)' == 'True' ">linux</HostOSName>
+      <!-- If platform is musl based, adds information to HostOSName -->
+      <HostOSName Condition="$(OSPlatformIsMusl) == 'true'">$(HostOSName)-musl</HostOSName>
       
       <OSName Condition=" '$(OSName)' == '' ">$(HostOSName)</OSName>
 
-- 
2.34.1