From 80201624cc42760a3440e5e1a8846b6c525acf65 Mon Sep 17 00:00:00 2001
From: Alan Jowett <alanjo@microsoft.com>
Date: Fri, 13 Dec 2024 08:38:26 -0800
Subject: [PATCH] Build only ELF during cross-compilation

Signed-off-by: Alan Jowett <alanjo@microsoft.com>
---
 tests/sample/sample.vcxproj | 43 +++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/tests/sample/sample.vcxproj b/tests/sample/sample.vcxproj
index 739ff4bcda..19445a4134 100644
--- a/tests/sample/sample.vcxproj
+++ b/tests/sample/sample.vcxproj
@@ -269,6 +269,27 @@
       <BuildInParallel>true</BuildInParallel>
     </CustomBuild>
   </ItemGroup>
+  <ItemGroup Condition="'$(Analysis)'=='' And '$(Configuration)'!='FuzzerDebug' And '$(Platform)'!='$(HostPlatform)'">
+    <!-- Build BPF programs that pass verification and build native images for them. -->
+    <CustomBuild Include="*.c">
+      <FileType>CppCode</FileType>
+      <Command>
+        $(ClangExec) $(ClangFlags) -I../xdp -I../socket -I./ext/inc -I../../netebpfext -c %(Filename).c -o $(OutputPath)%(Filename).o
+      </Command>
+      <Outputs>$(OutputPath)%(Filename).o</Outputs>
+      <!-- Don't run bpf2c in parallel when built with fuzzing flags as this triggers failures. -->
+      <BuildInParallel Condition="'$(Fuzzer)'!='True' And '$(AddressSanitizer)'!='True'">true</BuildInParallel>
+    </CustomBuild>
+    <!-- Copy explicit unsafe object files (i.e., not to be verified) among the other generated .o files -->
+    <CustomBuild Include="unsafe\*.o">
+      <FileType>Document</FileType>
+      <Command>
+        xcopy unsafe\%(Filename).o $(OutputPath) /Y
+      </Command>
+      <Outputs>$(OutputPath)%(Filename).o</Outputs>
+      <BuildInParallel>true</BuildInParallel>
+    </CustomBuild>
+  </ItemGroup>
   <!-- Build undocked BPF programs that pass verification and build native images for them only when configuration is NOT FuzzerDebug.
        Background:
        Some projects today are skipped for FuzzerDebug configuration, hence the NuGet package is also not generated for FuzzerDebug.
@@ -291,6 +312,17 @@
       <BuildInParallel Condition="'$(Fuzzer)'!='True' And '$(AddressSanitizer)'!='True'">true</BuildInParallel>
     </CustomBuild>
   </ItemGroup>
+  <ItemGroup Condition="'$(Configuration)'!='FuzzerDebug' And '$(Platform)'!='$(HostPlatform)'">
+    <CustomBuild Include="undocked\*.c">
+      <FileType>CppCode</FileType>
+      <Command>
+        $(ClangExec) $(ClangFlags) -I../xdp -I../socket -I./ext/inc -I../../netebpfext -I. -I../../undocked/tests/sample/ext/inc -c undocked\%(Filename).c -o $(OutputPath)%(Filename).o
+      </Command>
+      <Outputs>$(OutputPath)%(Filename).o;$(OutputPath)%(Filename)_um.dll;$(OutputPath)%(Filename).sys</Outputs>
+      <!-- Don't run bpf2c in parallel when built with fuzzing flags as this triggers failures. -->
+      <BuildInParallel Condition="'$(Fuzzer)'!='True' And '$(AddressSanitizer)'!='True'">true</BuildInParallel>
+    </CustomBuild>
+  </ItemGroup>
   <!-- For BPF programs that fail verification, build native images without verification only for Debug build. -->
   <ItemGroup Condition="'$(Configuration)'=='Debug'">
     <CustomBuild Include="unsafe\*.c">
@@ -359,6 +391,17 @@
       <BuildInParallel Condition="'$(Fuzzer)'!='True' And '$(AddressSanitizer)'!='True'">true</BuildInParallel>
     </CustomBuild>
   </ItemGroup>
+  <ItemGroup Condition="'$(Analysis)'=='' And '$(Configuration)'!='FuzzerDebug' And '$(Platform)'!='$(HostPlatform)'">
+    <CustomBuild Include="custom_program_type\*.c">
+      <FileType>CppCode</FileType>
+      <Command>
+        $(ClangExec) $(ClangFlags) -I../xdp -I../socket -I./ext/inc -I../../netebpfext -c custom_program_type\%(Filename).c -o $(OutputPath)%(Filename).o
+      </Command>
+      <Outputs>$(OutputPath)%(Filename).o;$(OutputPath)%(Filename)_um.dll;$(OutputPath)%(Filename).sys</Outputs>
+      <!-- Don't run bpf2c in parallel when built with fuzzing flags as this triggers failures. -->
+      <BuildInParallel Condition="'$(Fuzzer)'!='True' And '$(AddressSanitizer)'!='True'">true</BuildInParallel>
+    </CustomBuild>
+  </ItemGroup>
   <ItemGroup Condition="'$(Configuration)'=='FuzzerDebug'">
     <CustomBuild Include="custom_program_type\*.c">
       <FileType>CppCode</FileType>