New comment by kruceter on void-packages repository

https://github.com/void-linux/void-packages/pull/40423#issuecomment-1310986041

Comment:
Failing build for x86_64-musl (possibly?) can be fixed with this patch:

```diff
--- a/ThirdParty/ioss/vtkioss/Ioss_FileInfo.C
+++ b/ThirdParty/ioss/vtkioss/Ioss_FileInfo.C
@@ -26,7 +26,11 @@
 #define S_ISDIR(m) (((m)&_S_IFMT) == _S_IFDIR)
 #endif
 #else
+#ifdef __GLIBC__
 #include <sys/unistd.h>
+#else
+#include <unistd.h>
+#endif
 #endif
 
 #ifdef SEACAS_HAVE_MPI
@@ -35,9 +39,6 @@
 
 #include <cstdio>
 #include <sys/stat.h>
-#ifndef _MSC_VER
-#include <unistd.h>
-#endif
 
 namespace {
   bool internal_access(const std::string &name, int mode);
```

I see that the patch fixing build with GCC 12 has been removed, meaning that vtk has to be tested against GCC 12 once again.