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Index: gcc-4.4+svnr145550/gcc/incpath.c
===================================================================
--- gcc-4.4+svnr145550.orig/gcc/incpath.c 2009-04-04 13:48:31.000000000 -0700
+++ gcc-4.4+svnr145550/gcc/incpath.c 2009-04-04 14:49:29.000000000 -0700
@@ -417,6 +417,26 @@
p->construct = 0;
p->user_supplied_p = user_supplied_p;
+#ifdef CROSS_DIRECTORY_STRUCTURE
+ /* A common error when cross compiling is including
+ host headers. This code below will try to fail fast
+ for cross compiling. Currently we consider /usr/include,
+ /opt/include and /sw/include as harmful. */
+ {
+ /* printf("Adding Path: %s\n", p->name ); */
+ if( strstr(p->name, "/usr/include" ) == p->name ) {
+ fprintf(stderr, _("CROSS COMPILE Badness: /usr/include in INCLUDEPATH: %s\n"), p->name);
+ abort();
+ } else if( strstr(p->name, "/sw/include") == p->name ) {
+ fprintf(stderr, _("CROSS COMPILE Badness: /sw/include in INCLUDEPATH: %s\n"), p->name);
+ abort();
+ } else if( strstr(p->name, "/opt/include") == p->name ) {
+ fprintf(stderr, _("CROSS COMPILE Badness: /opt/include in INCLUDEPATH: %s\n"), p->name);
+ abort();
+ }
+ }
+#endif
+
add_cpp_dir_path (p, chain);
}
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