(TOOLDIR_PREFIX): Define if not defined.

[gcc.git] / gcc / gcc.c

diff --git a/gcc/gcc.c b/gcc/gcc.c
index 7aaf1593d7fe7bc1db31bd9a9fbfcf9d5ac8e15c..39a897881ccbb64d75775d4aa9e39dc2dba8d278 100644 (file)
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -937,6 +937,12 @@ static char *standard_startfile_prefix = STANDARD_STARTFILE_PREFIX;
 static char *standard_startfile_prefix_1 = "/lib/";
 static char *standard_startfile_prefix_2 = "/usr/lib/";
 
+#ifndef TOOLDIR_PREFIX
+#define TOOLDIR_PREFIX "/usr/local/"
+#endif
+static char *tooldir_base_prefix = TOOLDIR_PREFIX;
+static char *tooldir_prefix;
+
 /* Clear out the vector of arguments (after a command is executed).  */
 
 static void
@@ -2129,6 +2135,24 @@ process_command (argc, argv)
        n_infiles++;
     }
 
+  tooldir_prefix = concat (tooldir_base_prefix, spec_machine, "/");
+
+  /* If tooldir is relative, base it on exec_prefix.  A relative
+     tooldir lets us move the installed tree as a unit.  */
+
+  if (*tooldir_prefix != '/')
+    {
+      if (gcc_exec_prefix)
+       tooldir_prefix = concat (concat (gcc_exec_prefix, spec_machine, "/"),
+                                concat (spec_version, "/", tooldir_prefix),
+                                "");
+      else
+       tooldir_prefix = concat (concat (standard_exec_prefix, spec_machine, "/"),
+                                concat (spec_version, "/", tooldir_prefix),
+                                "");
+    }
+
+
   /* Set up the search paths before we go looking for config files.  */
 
   /* These come before the md prefixes so that we will find gcc's subcommands
@@ -2141,6 +2165,11 @@ process_command (argc, argv)
   add_prefix (&startfile_prefix, standard_exec_prefix, 0, 1, NULL_PTR);
   add_prefix (&startfile_prefix, standard_exec_prefix_1, 0, 1, NULL_PTR);
 
+  add_prefix (&exec_prefix, concat (tooldir_prefix, "bin", "/"),
+             0, 0, NULL_PTR);
+  add_prefix (&startfile_prefix, concat (tooldir_prefix, "lib", "/"),
+             0, 0, NULL_PTR);
+
   /* More prefixes are enabled in main, after we read the specs file
      and determine whether this is cross-compilation or not.  */