internal/rosa/package: migrate llvm patches

LLVM itself is unlikely to ever be migrated due to complexity of the bootstrap, so migrate patches instead.

Signed-off-by: Ophestra <cat@gensokyo.uk>

1 files changed, 25 insertions, 0 deletions

diff --git a/internal/rosa/package/llvm/path-system-include.patch b/internal/rosa/package/llvm/path-system-include.patch
new file mode 100644
index 00000000..c442d641
--- /dev/null
+++ b/internal/rosa/package/llvm/path-system-include.patch
@@ -0,0 +1,25 @@
+diff --git a/clang/lib/Driver/ToolChains/Linux.cpp b/clang/lib/Driver/ToolChains/Linux.cpp
+index 8ac8d4eb9181..e46b04a898ca 100644
+--- a/clang/lib/Driver/ToolChains/Linux.cpp
++++ b/clang/lib/Driver/ToolChains/Linux.cpp
+@@ -671,6 +671,12 @@ void Linux::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
+     addExternCSystemInclude(
+         DriverArgs, CC1Args,
+         concat(SysRoot, "/usr/include", MultiarchIncludeDir));
++  if (!MultiarchIncludeDir.empty() &&
++      D.getVFS().exists(concat(SysRoot, "/system/include", MultiarchIncludeDir)))
++    addExternCSystemInclude(
++        DriverArgs, CC1Args,
++        concat(SysRoot, "/system/include", MultiarchIncludeDir));
++
+ 
+   if (getTriple().getOS() == llvm::Triple::RTEMS)
+     return;
+@@ -681,6 +687,7 @@ void Linux::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
+   addExternCSystemInclude(DriverArgs, CC1Args, concat(SysRoot, "/include"));
+ 
+   addExternCSystemInclude(DriverArgs, CC1Args, concat(SysRoot, "/usr/include"));
++  addExternCSystemInclude(DriverArgs, CC1Args, concat(SysRoot, "/system/include"));
+ 
+   if (!DriverArgs.hasArg(options::OPT_nobuiltininc) && getTriple().isMusl())
+     addSystemInclude(DriverArgs, CC1Args, ResourceDirInclude);