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- #!/bin/sh
- # Fixup inclusion of libfdt headers, which can fail in older u-boot versions
- # when libfdt-devel is installed system-wide.
- # The core change is equivalent to upstream commit
- # e0d20dc1521e74b82dbd69be53a048847798a90a (first in v2018.03). However, the fixup
- # is complicated by the fact that the underlying u-boot code changed multiple
- # times in history:
- # - The directory scripts/dtc/libfdt only exists since upstream commit
- # c0e032e0090d6541549b19cc47e06ccd1f302893 (first in v2017.11). For earlier
- # versions, create a dummy scripts/dtc/libfdt directory with symlinks for the
- # fdt-related files. This allows to use the same -I<path> option for both
- # cases.
- # - The variable 'srctree' used to be called 'SRCTREE' before upstream commit
- # 01286329b27b27eaeda045b469d41b1d9fce545a (first in v2014.04).
- # - The original location for libfdt, 'lib/libfdt/', used to be simply
- # 'libfdt' before upstream commit 0de71d507157c4bd4fddcd3a419140d2b986eed2
- # (first in v2010.06). Make the 'lib' part optional in the substitution to
- # handle this.
- if [ ! -d scripts/dtc/libfdt ]; then
- mkdir -p scripts/dtc/libfdt
- cd scripts/dtc/libfdt
- ln -s ../../../include/fdt.h .
- ln -s ../../../include/libfdt*.h .
- ln -s ../../../lib/libfdt/libfdt_internal.h .
- fi
- sed -i -e 's%-I\ *\$(srctree)/lib/libfdt%-I$(srctree)/scripts/dtc/libfdt%; s%-I\ *\$(SRCTREE)\(/lib\)\?/libfdt%-I$(SRCTREE)/scripts/dtc/libfdt%' tools/Makefile
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