linux.inc: support building with B != S which is default now

* this .inc file wasn't working since oe-core commit:
  commit 106dab2fd0321e6b4e77b40111e59a3a31d329d4
  Author: Richard Purdie <richard.purdie@linuxfoundation.org>
  Date:   Fri Dec 19 17:46:27 2014 +0000
  Subject: kernel: Fix non linux-yocto builds
* Fixes following do_configure error
  | NOTE: make oldconfig
  | make: *** No rule to make target `oldconfig'.  Stop.
  | ERROR: oe_runmake failed

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

1 files changed, 8 insertions, 8 deletions

diff --git a/meta-oe/recipes-kernel/linux/linux.inc b/meta-oe/recipes-kernel/linux/linux.inc
index 7b301ae211..e200127718 100644
--- a/meta-oe/recipes-kernel/linux/linux.inc
+++ b/meta-oe/recipes-kernel/linux/linux.inc
@@ -28,14 +28,14 @@ kernel_conf_variable() {
     CONF_SED_SCRIPT="$CONF_SED_SCRIPT /CONFIG_$1[ =]/d;"
     if test "$2" = "n"
     then
-        echo "# CONFIG_$1 is not set" >> ${S}/.config
+        echo "# CONFIG_$1 is not set" >> ${B}/.config
     else
-        echo "CONFIG_$1=$2" >> ${S}/.config
+        echo "CONFIG_$1=$2" >> ${B}/.config
     fi
 }
 
 do_configure_prepend() {
-    echo "" > ${S}/.config
+    echo "" > ${B}/.config
     CONF_SED_SCRIPT=""
 
     #
@@ -43,8 +43,8 @@ do_configure_prepend() {
     #
     if [ -e ${WORKDIR}/logo_linux_clut224.ppm ]; then
         install -m 0644 ${WORKDIR}/logo_linux_clut224.ppm drivers/video/logo/logo_linux_clut224.ppm
-    kernel_conf_variable LOGO y
-    kernel_conf_variable LOGO_LINUX_CLUT224 y
+        kernel_conf_variable LOGO y
+        kernel_conf_variable LOGO_LINUX_CLUT224 y
     fi
 
     #
@@ -59,7 +59,7 @@ do_configure_prepend() {
 
     # When enabling thumb for userspace we also need thumb support in the kernel
     if [ "${ARM_INSTRUCTION_SET}" = "thumb" ] ; then
-    kernel_conf_variable ARM_THUMB y
+        kernel_conf_variable ARM_THUMB y
     fi
 
     kernel_conf_variable CMDLINE "\"${CMDLINE} ${CMDLINE_DEBUG}\""
@@ -112,9 +112,9 @@ do_configure_prepend() {
     fi
 
     sed -e "${CONF_SED_SCRIPT}" \
-    < '${WORKDIR}/defconfig' >>'${S}/.config'
+    < '${WORKDIR}/defconfig' >>'${B}/.config'
 
-    yes '' | oe_runmake oldconfig
+    yes '' | oe_runmake -C ${S} O=${B} oldconfig
 }
 
 do_configure_append() {