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mcostalbamcostalba
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Retire Polyglot Book management
Book handling belongs to GUI, we kept this code for historical reasons, but nowdays there is really no need of this old, (mostly) unused and especially incorrect designed functionality. It is up to the GUI to choose the book (far easier for the user) and to select the book parameters. In no place, including fishtest, TCEC, rating lists, etc. the "own book" is used, moreover currently SF is released without any book and even if in the future we bundle a book in the release package, it will be the GUI that will take care of it. This corrects a wrong design decision that Galurung and later Stockfish inherited from what was common practice many yeas ago. No functional change.
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‎src/Makefile‎

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@@ -38,9 +38,9 @@ BINDIR = $(PREFIX)/bin
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PGOBENCH = ./$(EXE) bench 32 1 1 default time
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### Object files
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OBJS = benchmark.o bitbase.o bitboard.o book.o endgame.o evaluate.o main.o \
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material.o misc.o movegen.o movepick.o notation.o pawns.o position.o \
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search.o thread.o timeman.o tt.o uci.o ucioption.o
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OBJS = benchmark.o bitbase.o bitboard.o endgame.o evaluate.o main.o \
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material.o misc.o movegen.o movepick.o notation.o pawns.o \
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position.o search.o thread.o timeman.o tt.o uci.o ucioption.o
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### ==========================================================================
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### Section 2. High-level Configuration

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