fix: support musl on Linux

Author: jpnurmi

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### Fixes
+
+- Support musl on Linux ([#4188](https://github.com/getsentry/sentry-dotnet/pull/4188))
+
 ### Dependencies
 
 - Bump Native SDK from v0.8.4 to v0.8.5 ([#4189](https://github.com/getsentry/sentry-dotnet/pull/4189))

scripts/build-sentry-native.ps1

@@ -29,7 +29,14 @@ try
     }
     elseif ($IsLinux)
     {
-        $outDir += '/linux-x64'
+        if ((ldd --version 2>&1) -match 'musl')
+        {
+            $outDir += '/linux-musl-x64'
+        }
+        else
+        {
+            $outDir += '/linux-x64'
+        }
     }
     else
     {

src/Sentry/Platforms/Native/Sentry.Native.targets

@@ -11,10 +11,13 @@
     <SentryNativeOutputDirectory-win-x64>$(SentryNativeOutputDirectory)$(NativeLibRelativePath-win-x64)\</SentryNativeOutputDirectory-win-x64>
     <NativeLibRelativePath-linux-x64>linux-x64</NativeLibRelativePath-linux-x64>
     <SentryNativeOutputDirectory-linux-x64>$(SentryNativeOutputDirectory)$(NativeLibRelativePath-linux-x64)\</SentryNativeOutputDirectory-linux-x64>
+    <NativeLibRelativePath-linux-musl-x64>linux-musl-x64</NativeLibRelativePath-linux-musl-x64>
+    <SentryNativeOutputDirectory-linux-musl-x64>$(SentryNativeOutputDirectory)$(NativeLibRelativePath-linux-musl-x64)\</SentryNativeOutputDirectory-linux-musl-x64>
     <NativeLibRelativePath-osx>osx</NativeLibRelativePath-osx>
     <SentryNativeOutputDirectory-osx>$(SentryNativeOutputDirectory)$(NativeLibRelativePath-osx)\</SentryNativeOutputDirectory-osx>
     <SentryNativeBuildOutputs Condition="$([MSBuild]::IsOsPlatform('Windows'))">$(SentryNativeOutputDirectory-win-x64)$(SentryNativeLibraryName).lib</SentryNativeBuildOutputs>
-    <SentryNativeBuildOutputs Condition="$([MSBuild]::IsOsPlatform('Linux'))">$(SentryNativeOutputDirectory-linux-x64)lib$(SentryNativeLibraryName).a</SentryNativeBuildOutputs>
+    <SentryNativeBuildOutputs Condition="'$(RuntimeIdentifier)' == 'linux-x64'">$(SentryNativeOutputDirectory-linux-x64)lib$(SentryNativeLibraryName).a</SentryNativeBuildOutputs>
+    <SentryNativeBuildOutputs Condition="'$(RuntimeIdentifier)' == 'linux-musl-x64'">$(SentryNativeOutputDirectory-linux-musl-x64)lib$(SentryNativeLibraryName).a</SentryNativeBuildOutputs>
     <SentryNativeBuildOutputs Condition="$([MSBuild]::IsOsPlatform('OSX'))">$(SentryNativeOutputDirectory-osx)lib$(SentryNativeLibraryName).a</SentryNativeBuildOutputs>
   </PropertyGroup>
 
@@ -32,13 +35,20 @@
     </None>
   </ItemGroup>
 
-  <ItemGroup Condition="'$(CI_PUBLISHING_BUILD)' == 'true' or $([MSBuild]::IsOsPlatform('Linux'))">
+  <ItemGroup Condition="'$(CI_PUBLISHING_BUILD)' == 'true' or '$(RuntimeIdentifier)' == 'linux-x64'">
     <None Include="$(SentryNativeOutputDirectory-linux-x64)lib$(SentryNativeLibraryName).a">
       <Pack>true</Pack>
       <PackagePath>\sentry-native\$(NativeLibRelativePath-linux-x64)</PackagePath>
     </None>
   </ItemGroup>
 
+  <ItemGroup Condition="'$(CI_PUBLISHING_BUILD)' == 'true' or '$(RuntimeIdentifier)' == 'linux-musl-x64'">
+    <None Include="$(SentryNativeOutputDirectory-linux-musl-x64)lib$(SentryNativeLibraryName).a">
+      <Pack>true</Pack>
+      <PackagePath>\sentry-native\$(NativeLibRelativePath-linux-musl-x64)</PackagePath>
+    </None>
+  </ItemGroup>
+
   <ItemGroup Condition="'$(CI_PUBLISHING_BUILD)' == 'true' or $([MSBuild]::IsOsPlatform('OSX'))">
     <None Include="$(SentryNativeOutputDirectory-osx)lib$(SentryNativeLibraryName).a">
       <Pack>true</Pack>

src/Sentry/Platforms/Native/buildTransitive/Sentry.Native.targets

@@ -33,9 +33,9 @@
     <NativeLibrary Include="Gdi32.lib" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(FrameworkSupportsNative)' == 'true' and '$(RuntimeIdentifier)' == 'linux-x64'">
+  <ItemGroup Condition="'$(FrameworkSupportsNative)' == 'true' and ('$(RuntimeIdentifier)' == 'linux-x64' or '$(RuntimeIdentifier)' == 'linux-musl-x64')">
     <DirectPInvoke Include="sentry-native" />
-    <NativeLibrary Include="$(MSBuildThisFileDirectory)..\sentry-native\linux-x64\libsentry-native.a" />
+    <NativeLibrary Include="$(MSBuildThisFileDirectory)..\sentry-native\$(RuntimeIdentifier)\libsentry-native.a" />
     <!-- See: https://github.com/dotnet/runtime/issues/97414 -->
     <NativeSystemLibrary Include="curl" />
   </ItemGroup>