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-rw-r--r--src/GNUmakefile7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/GNUmakefile b/src/GNUmakefile
index 289f8bd..601a362 100644
--- a/src/GNUmakefile
+++ b/src/GNUmakefile
@@ -14,6 +14,9 @@
# USE_READLINE=1: link against the GNU readline library
# SIXTYFOUR=1: make an X64 binary
# CROUTINES=1: use the C versions of the asm routines [slower]
+# GETATTACKS_BITBOARD=1: use the bbPieces/bbPawns-backed _GetAttacksBB
+# instead of the asm/CROUTINES GetAttacks -- see
+# board_representation/MIGRATION.md section 6
# EVERYTHING=1: everything everything everything everything
#
# $Id$
@@ -96,6 +99,10 @@ ifdef CROUTINES
PROFILE += -DCROUTINES
endif
+ifdef GETATTACKS_BITBOARD
+ PROFILE += -DGETATTACKS_BITBOARD
+endif
+
ifdef EVERYTHING
PROFILE += -DEVAL_DUMP -DEVAL_TIME -DPERF_COUNTERS -DMP -DSMP -DTEST_NULL -DDUMP_TREE -fbounds-checking
else