>>> host-dtc 1.5.1 Downloading
--2020-05-18 00:34:24--  https://www.kernel.org/pub/software/utils/dtc/dtc-1.5.1.tar.xz
Resolving www.kernel.org (www.kernel.org)... 136.144.49.103, 2604:1380:40b0:1a00::1
Connecting to www.kernel.org (www.kernel.org)|136.144.49.103|:443... connected.
HTTP request sent, awaiting response... 301 Moved Permanently
Location: https://mirrors.edge.kernel.org/pub/software/utils/dtc/dtc-1.5.1.tar.xz [following]
--2020-05-18 00:34:24--  https://mirrors.edge.kernel.org/pub/software/utils/dtc/dtc-1.5.1.tar.xz
Resolving mirrors.edge.kernel.org (mirrors.edge.kernel.org)... 147.75.101.1, 2604:1380:2001:3900::1
Connecting to mirrors.edge.kernel.org (mirrors.edge.kernel.org)|147.75.101.1|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 155780 (152K) [application/x-xz]
Saving to: '/home/naourr/work/instance-3/output-1/build/.dtc-1.5.1.tar.xz.hpYbfp/output'

     0K .......... .......... .......... .......... .......... 32% 2.30M 0s
    50K .......... .......... .......... .......... .......... 65% 2.34M 0s
   100K .......... .......... .......... .......... .......... 98% 78.5M 0s
   150K ..                                                    100% 52.8M=0.04s

2020-05-18 00:34:24 (3.47 MB/s) - '/home/naourr/work/instance-3/output-1/build/.dtc-1.5.1.tar.xz.hpYbfp/output' saved [155780/155780]

dtc-1.5.1.tar.xz: OK (sha256: 660b74039690fc37013660544d09191834efb58503c73c555c5513ba75ab031f)
>>> host-dtc 1.5.1 Extracting
xzcat /home/naourr/work/instance-3/dl/dtc/dtc-1.5.1.tar.xz | /home/naourr/work/instance-3/output-1/host/bin/tar --strip-components=1 -C /home/naourr/work/instance-3/output-1/build/host-dtc-1.5.1   -xf -
>>> host-dtc 1.5.1 Patching

Applying 0001-Fix-include-guards-for-older-kernel-u-boot-sources.patch using patch: 
patching file libfdt/fdt.h
patching file libfdt/libfdt.h
patching file libfdt/libfdt_env.h
>>> host-dtc 1.5.1 Configuring
>>> host-dtc 1.5.1 Building
PATH="/home/naourr/work/instance-3/output-1/host/bin:/home/naourr/work/instance-3/output-1/host/sbin:/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/home/naourr/bin:/home/naourr/git/git-wrappers:/home/naourr/.local/bin:/home/naourr/bin" PKG_CONFIG="/home/naourr/work/instance-3/output-1/host/bin/pkg-config" PKG_CONFIG_SYSROOT_DIR="/" PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 PKG_CONFIG_LIBDIR="/home/naourr/work/instance-3/output-1/host/lib/pkgconfig:/home/naourr/work/instance-3/output-1/host/share/pkgconfig" AR="/usr/bin/ar" AS="/usr/bin/as" LD="/usr/bin/ld" NM="/usr/bin/nm" CC="/usr/bin/gcc" GCC="/usr/bin/gcc" CXX="/usr/bin/g++" CPP="/usr/bin/cpp" OBJCOPY="/usr/bin/objcopy" RANLIB="/usr/bin/ranlib" CPPFLAGS="-I/home/naourr/work/instance-3/output-1/host/include" CFLAGS="-O2 -I/home/naourr/work/instance-3/output-1/host/include" CXXFLAGS="-O2 -I/home/naourr/work/instance-3/output-1/host/include" LDFLAGS="-L/home/naourr/work/instance-3/output-1/host/lib -Wl,-rpath,/home/naourr/work/instance-3/output-1/host/lib" INTLTOOL_PERL=/usr/bin/perl /usr/bin/make -j4 EXTRA_CFLAGS="-O2 -I/home/naourr/work/instance-3/output-1/host/include -fPIC" -C /home/naourr/work/instance-3/output-1/build/host-dtc-1.5.1 PREFIX=/home/naourr/work/instance-3/output-1/host INCLUDEDIR=/home/naourr/work/instance-3/output-1/host/include/libfdt NO_PYTHON=1 NO_VALGRIND=1 NO_YAML=1
make[1]: Entering directory '/home/naourr/work/instance-3/output-1/build/host-dtc-1.5.1'
	 DEP tests/dumptrees.c
	 DEP tests/trees.S
	 DEP tests/testutils.c
	 DEP tests/value-labels.c
	 DEP tests/asm_tree_dump.c
	 DEP tests/truncated_memrsv.c
	 DEP tests/truncated_string.c
	 DEP tests/truncated_property.c
	 DEP tests/fs_tree1.c
	 DEP tests/check_full.c
	 DEP tests/check_header.c
	 DEP tests/check_path.c
	 DEP tests/overlay_bad_fixup.c
	 DEP tests/overlay.c
	 DEP tests/subnode_iterate.c
	 DEP tests/property_iterate.c
	 DEP tests/integer-expressions.c
	 DEP tests/utilfdt_test.c
	 DEP tests/path_offset_aliases.c
	 DEP tests/add_subnode_with_nops.c
	 DEP tests/dtbs_equal_unordered.c
	 DEP tests/dtb_reverse.c
	 DEP tests/dtbs_equal_ordered.c
	 DEP tests/extra-terminating-null.c
	 DEP tests/incbin.c
	 DEP tests/boot-cpuid.c
	 DEP tests/phandle_format.c
	 DEP tests/path-references.c
	 DEP tests/references.c
	 DEP tests/string_escapes.c
	 DEP tests/propname_escapes.c
	 DEP tests/appendprop2.c
	 DEP tests/appendprop1.c
	 DEP tests/del_node.c
	 DEP tests/del_property.c
	 DEP tests/setprop.c
	 DEP tests/set_name.c
	 DEP tests/rw_oom.c
	 DEP tests/rw_tree1.c
	 DEP tests/open_pack.c
	 DEP tests/nopulate.c
	 DEP tests/mangle-layout.c
	 DEP tests/move_and_save.c
	 DEP tests/sw_states.c
	 DEP tests/sw_tree1.c
	 DEP tests/nop_node.c
	 DEP tests/nop_property.c
	 DEP tests/setprop_inplace.c
	 DEP tests/stringlist.c
	 DEP tests/appendprop_addrrange.c
	 DEP tests/addr_size_cells2.c
	 DEP tests/addr_size_cells.c
	 DEP tests/notfound.c
	 DEP tests/sized_cells.c
	 DEP tests/char_literal.c
	 DEP tests/get_alias.c
	 DEP tests/node_offset_by_compatible.c
	 DEP tests/node_check_compatible.c
	 DEP tests/node_offset_by_phandle.c
	 DEP tests/node_offset_by_prop_value.c
	 DEP tests/parent_offset.c
	 DEP tests/supernode_atdepth_offset.c
	 DEP tests/get_path.c
	 DEP tests/get_phandle.c
	 DEP tests/get_prop_offset.c
	 DEP tests/getprop.c
	 DEP tests/get_name.c
	 DEP tests/path_offset.c
	 DEP tests/subnode_offset.c
	 DEP tests/find_property.c
	 DEP tests/root_node.c
	 DEP tests/get_mem_rsv.c
	 DEP libfdt/fdt_overlay.c
	 DEP libfdt/fdt_addresses.c
	 DEP libfdt/fdt_empty_tree.c
	 DEP libfdt/fdt_strerror.c
	 DEP libfdt/fdt_rw.c
	 DEP libfdt/fdt_sw.c
	 DEP libfdt/fdt_wip.c
	 DEP libfdt/fdt_ro.c
	 DEP libfdt/fdt.c
	 DEP util.c
	 DEP fdtoverlay.c
	 DEP fdtput.c
	 DEP fdtget.c
	 DEP fdtdump.c
	 LEX convert-dtsv0-lexer.lex.c
	 DEP srcpos.c
	 BISON dtc-parser.tab.c
	 LEX dtc-lexer.lex.c
	 DEP treesource.c
	 DEP livetree.c
	 DEP fstree.c
	 DEP flattree.c
	 DEP dtc.c
	 DEP data.c
	 DEP checks.c
	 DEP convert-dtsv0-lexer.lex.c
	 DEP dtc-parser.tab.c
	 DEP dtc-lexer.lex.c
	CHK version_gen.h
	UPD version_gen.h
	 DEP util.c
	CHK version_gen.h
	 CC srcpos.o
	 CC util.o
	 CC convert-dtsv0-lexer.lex.o
	 CC dtc.o
	 CC checks.o
	 CC data.o
	 CC flattree.o
	 CC fstree.o
	 CC livetree.o
	 CC treesource.o
	 CC dtc-lexer.lex.o
	 CC dtc-parser.tab.o
	 CC fdtdump.o
	 CC fdtget.o
	 CC libfdt/fdt.o
	 CC libfdt/fdt_ro.o
	 CC libfdt/fdt_wip.o
	 CC libfdt/fdt_sw.o
	 CC libfdt/fdt_rw.o
	 CC libfdt/fdt_strerror.o
	 CC libfdt/fdt_empty_tree.o
	 CC libfdt/fdt_addresses.o
	 CC libfdt/fdt_overlay.o
	 CC fdtput.o
	 CC fdtoverlay.o
	 LD convert-dtsv0
	 LD dtc
/usr/bin/ld: dtc-parser.tab.o:(.bss+0x20): multiple definition of `yylloc'; dtc-lexer.lex.o:(.bss+0x0): first defined here
collect2: error: ld returned 1 exit status
make[1]: *** [Makefile:335: dtc] Error 1
make[1]: *** Waiting for unfinished jobs....
make[1]: Leaving directory '/home/naourr/work/instance-3/output-1/build/host-dtc-1.5.1'
make: *** [package/pkg-generic.mk:269: /home/naourr/work/instance-3/output-1/build/host-dtc-1.5.1/.stamp_built] Error 2
make: Leaving directory '/home/naourr/work/instance-3/buildroot'