For the socrates_cyclone5_defconfig configuration, it seems a bison call gets an empty argument passed and is unhappy: [build 2023-03-16 16:31:17] cat scripts/dtc/dtc-lexer.lex.c_shipped > scripts/dtc/dtc-lexer.lex.c [build 2023-03-16 16:31:17] bison -o/dev/null --defines=scripts/dtc/dtc-parser.tab.h_shipped -t -l -p scripts/dtc/dtc-parser.y [build 2023-03-16 16:31:17] bison: missing operand [build 2023-03-16 16:31:17] Try 'bison --help' for more information. [build 2023-03-16 16:31:17] make[3]: *** [scripts/Makefile.lib:225: scripts/dtc/dtc-parser.tab.h_shipped] Error 1 [build 2023-03-16 16:31:17] make[2]: *** [scripts/Makefile.build:583: scripts/dtc] Error 2 [build 2023-03-16 16:31:17] make[1]: *** [Makefile:566: scripts] Error 2 [build 2023-03-16 16:31:17] make[1]: Leaving directory '/var/lib/laminar/run/buildroot-socrates_cyclone5_defconfig/1/buildroot/output/build/linux-4.16.7' [build 2023-03-16 16:31:17] make: *** [package/pkg-generic.mk:293: /var/lib/laminar/run/buildroot-socrates_cyclone5_defconfig/1/buildroot/output/build/linux-4.16.7/.stamp_built] Error 2 Full build log at http://toolchain.lug-owl.de/laminar/log/buildroot-socrates_cyclone5_defconfig/1
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