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    Subject[PATCH 5.8 70/85] scripts/dtc: only append to HOST_EXTRACFLAGS instead of overwriting
    Date
    From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

    [ Upstream commit efe84d408bf41975db8506d3a1cc02e794e2309c ]

    When building with

    $ HOST_EXTRACFLAGS=-g make

    the expectation is that host tools are built with debug informations.
    This however doesn't happen if the Makefile assigns a new value to the
    HOST_EXTRACFLAGS instead of appending to it. So use += instead of := for
    the first assignment.

    Fixes: e3fd9b5384f3 ("scripts/dtc: consolidate include path options in Makefile")
    Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
    Signed-off-by: Rob Herring <robh@kernel.org>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    scripts/dtc/Makefile | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/scripts/dtc/Makefile b/scripts/dtc/Makefile
    index 0b44917f981c7..d4129e0275e4a 100644
    --- a/scripts/dtc/Makefile
    +++ b/scripts/dtc/Makefile
    @@ -10,7 +10,7 @@ dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \
    dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o

    # Source files need to get at the userspace version of libfdt_env.h to compile
    -HOST_EXTRACFLAGS := -I $(srctree)/$(src)/libfdt
    +HOST_EXTRACFLAGS += -I $(srctree)/$(src)/libfdt

    ifeq ($(shell pkg-config --exists yaml-0.1 2>/dev/null && echo yes),)
    ifneq ($(CHECK_DT_BINDING)$(CHECK_DTBS),)
    --
    2.25.1


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