feat: port gcc to MontaukOS

2026-07-17 15:47:45 +02:00
parent 324b18edda
commit 8e6b619b02
14 changed files with 493 additions and 19 deletions
@@ -59,3 +59,32 @@
     $as_echo "#define HAVE_HYPOT 1" >>confdefs.h
 
 
+--- a/gcc/collect2.cc
+++ b/gcc/collect2.cc
+@@ -1049,6 +1049,26 @@
+   prefix_from_env ("COMPILER_PATH", &cpath);
+   prefix_from_env ("PATH", &path);
+ 
+#ifdef __montauk__
+  /* MontaukOS does not pass environment variables across spawn yet, so
+     COMPILER_PATH and PATH above are always empty.  Derive the compiler
+     search path from argv[0] instead: the driver invokes collect2 by its
+     full path (the kernel provides the real exec path in argv[0]), and
+     `ld` lives in the same libexec directory.  Also seed PATH with the
+     SDK bin directories so the nm/strip/tooldir fallbacks work.  */
+  if (cpath.plist == NULL && argv[0] != NULL)
+    {
+      const char *slash = strrchr (argv[0], '/');
+      if (slash != NULL)
+	add_prefix (&cpath, xstrndup (argv[0], slash - argv[0] + 1));
+    }
+  if (path.plist == NULL)
+    {
+      add_prefix (&path, "/sdk/x86_64-montauk/bin/");
+      add_prefix (&path, "/sdk/bin/");
+    }
+#endif
+
+   /* Try to discover a valid linker/nm/strip to use.  */
+ 
+   /* Maybe we know the right file to use (if not cross).  */