[gnome-continuous-yocto/gnomeostree-3.28-rocko: 7189/8267] busybox.inc: improve reproducibility

[Emmanuele Bassi <ebassi src gnome org>]

commit 01d82ea619f7067b10808ae868a6dda65a19f08d
Author: Juro Bystricky <juro bystricky intel com>
Date:   Wed Aug 9 10:48:26 2017 -0700

    busybox.inc: improve reproducibility
    
    For reproducible builds do not generate build timestamp as part of
    the version string.
    
    Remove host tools references from .config file.
    With this patch all eight busybox packages are built as
    binary reproducible.
    
    (From OE-Core rev: fad94cdb02be86b463e691ca2598b393e7875919)
    
    Signed-off-by: Juro Bystricky <juro bystricky intel com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 meta/recipes-core/busybox/busybox.inc |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/meta/recipes-core/busybox/busybox.inc b/meta/recipes-core/busybox/busybox.inc
index b8edd39..735b1f6 100644
--- a/meta/recipes-core/busybox/busybox.inc
+++ b/meta/recipes-core/busybox/busybox.inc
@@ -102,6 +102,9 @@ python () {
 }
 
 do_prepare_config () {
+       if [ "$BUILD_REPRODUCIBLE_BINARIES" = "1" ]; then
+               export KCONFIG_NOTIMESTAMP=1
+       fi
        sed -e '/CONFIG_STATIC/d' \
                < ${WORKDIR}/defconfig > ${S}/.config
        echo "# CONFIG_STATIC is not set" >> .config
@@ -118,6 +121,7 @@ do_prepare_config () {
                  ${S}/.config.oe-tmp > ${S}/.config
        fi
        sed -i 's/CONFIG_IFUPDOWN_UDHCPC_CMD_OPTIONS="-R -n"/CONFIG_IFUPDOWN_UDHCPC_CMD_OPTIONS="-R -b"/' 
${S}/.config
+       sed -i 's|${DEBUG_PREFIX_MAP}||g' ${S}/.config
 }
 
 # returns all the elements from the src uri that are .cfg files
@@ -138,6 +142,9 @@ do_configure () {
 
 do_compile() {
        unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS
+       if [ "$BUILD_REPRODUCIBLE_BINARIES" = "1" ]; then
+               export KCONFIG_NOTIMESTAMP=1
+       fi
        if [ "${BUSYBOX_SPLIT_SUID}" = "1" -a x`grep "CONFIG_FEATURE_INDIVIDUAL=y" .config` = x ]; then
        # split the .config into two parts, and make two busybox binaries
                if [ -e .config.orig ]; then