From 5f9536b929c41a8a19fc0703af4e19f4c37aa614 Mon Sep 17 00:00:00 2001
From: Stefan Saraev <stefan@saraev.ca>
Date: Sat, 25 Jan 2014 01:03:30 +0200
Subject: [PATCH] gcc: do not ever try to include host headers

patch source: openricks git
---
 .../patches/gcc-crosscompile-badness.patch    | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 packages/lang/gcc/patches/gcc-crosscompile-badness.patch

diff --git a/packages/lang/gcc/patches/gcc-crosscompile-badness.patch b/packages/lang/gcc/patches/gcc-crosscompile-badness.patch
new file mode 100644
index 0000000000..22aa83167f
--- /dev/null
+++ b/packages/lang/gcc/patches/gcc-crosscompile-badness.patch
@@ -0,0 +1,31 @@
+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;
+ 
++    /* 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();
++		 }
++	}
++
++
+   add_cpp_dir_path (p, chain);
+ }
+