From 8df3e7007a22c9d6be5d5ae4b9b169c5c8431917 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Wed, 27 May 2015 17:06:06 -0700
Subject: [PATCH 38/46] fix g++ sysroot

Portions of

http://www.mail-archive.com/gcc-patches@gcc.gnu.org/msg26013.html

are not upstreamed yet. So lets keep missing pieces.

Upstream-Status: Pending

Without this, compiling something simple like #include <limits> on target
with c++ test.cpp fails unable to find the header. strace shows it looking in
usr/include/xxxx rather than /usr/include/xxxx

Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 gcc/configure    | 4 +++-
 gcc/configure.ac | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/gcc/configure b/gcc/configure
index 9b60aad..6df594c 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -3375,7 +3375,9 @@ gcc_gxx_include_dir_add_sysroot=0
 if test "${with_sysroot+set}" = set; then
   gcc_gxx_without_sysroot=`expr "${gcc_gxx_include_dir}" : "${with_sysroot}"'\(.*\)'`
   if test "${gcc_gxx_without_sysroot}"; then
-    gcc_gxx_include_dir="${gcc_gxx_without_sysroot}"
+    if test x${with_sysroot} != x/; then
+      gcc_gxx_include_dir="${gcc_gxx_without_sysroot}"
+    fi
     gcc_gxx_include_dir_add_sysroot=1
   fi
 fi
diff --git a/gcc/configure.ac b/gcc/configure.ac
index e1e54f2..3bb2173 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -152,7 +152,9 @@ gcc_gxx_include_dir_add_sysroot=0
 if test "${with_sysroot+set}" = set; then
   gcc_gxx_without_sysroot=`expr "${gcc_gxx_include_dir}" : "${with_sysroot}"'\(.*\)'`
   if test "${gcc_gxx_without_sysroot}"; then
-    gcc_gxx_include_dir="${gcc_gxx_without_sysroot}"
+    if test x${with_sysroot} != x/; then
+      gcc_gxx_include_dir="${gcc_gxx_without_sysroot}"
+    fi
     gcc_gxx_include_dir_add_sysroot=1
   fi
 fi
-- 
2.6.3