[oe] [PATCH 3/4] qt4-tools-nativesdk: fix build of 4.7.4

[Paul Eggleton]

Commit 4ccae37db1aa77a1d15098c3720ea6e2d383fbdc introduced a sed command
line to modify a file that only exists in 4.8.0, thus do_configure of
4.7.4 was failing; so make this conditional upon the file existing.

Signed-off-by: Paul Eggleton <paul.eggleton at linux.intel.com>
---
 meta/recipes-qt/qt4/qt4-tools-nativesdk.inc |   11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/meta/recipes-qt/qt4/qt4-tools-nativesdk.inc b/meta/recipes-qt/qt4/qt4-tools-nativesdk.inc
index 4b097cf..64cc1ae 100644
--- a/meta/recipes-qt/qt4/qt4-tools-nativesdk.inc
+++ b/meta/recipes-qt/qt4/qt4-tools-nativesdk.inc
@@ -4,7 +4,7 @@ SECTION = "libs"
 HOMEPAGE = "http://qt.nokia.com"
 LICENSE = "LGPLv2.1 | GPLv3"
 
-INC_PR = "r8"
+INC_PR = "r9"
 
 FILESEXTRAPATHS =. "${FILE_DIRNAME}/qt-${PV}:"
 
@@ -59,9 +59,12 @@ do_configure() {
 
     cp ../g++.conf mkspecs/common
     cp ../linux.conf mkspecs/common
-    # don't use host g++ even during configure
-    sed -i -e "s#g++#${CXX}#" mkspecs/common/g++-base.conf
-    sed -i -e "s#gcc#${CC}#" mkspecs/common/g++-base.conf
+
+    if [ -f mkspecs/common/g++-base.conf ] ; then
+        # don't use host g++ even during configure (4.8.0+)
+        sed -i -e "s#g++#${CXX}#" mkspecs/common/g++-base.conf
+        sed -i -e "s#gcc#${CC}#" mkspecs/common/g++-base.conf
+    fi
 
     # first launch configure to get qmake compiled for the nativesdk
     (echo o; echo yes) | CC="${CC}" CXX="${CXX}" ./configure ${EXTRA_OECONF} || true
-- 
1.7.5.4