From e70bfa30e96e4b640a718a466734ec9f04418a3a Mon Sep 17 00:00:00 2001
From: woodyring <woodyring123@gmail.com>
Date: Sat, 30 Jan 2016 12:55:31 +0900
Subject: [PATCH] move InFrontOfRankXXX from header to source

The forllowing g++ compiler set InFrontOfRankXXX to zero

gcc version 5.3.0 (Rev1, Built by MSYS2 project)
---
 src/bitboard.cpp | 20 ++++++++++++++++++++
 src/bitboard.hpp | 38 +++++++++++++++++++-------------------
 2 files changed, 39 insertions(+), 19 deletions(-)

diff --git a/src/bitboard.cpp b/src/bitboard.cpp
index e821eb2..09f9fc1 100644
--- a/src/bitboard.cpp
+++ b/src/bitboard.cpp
@@ -212,6 +212,26 @@ const u64 BishopMagic[SquareNum] = {
 };
 #endif
 
+const Bitboard InFrontOfRank1Black = allZeroBB();
+const Bitboard InFrontOfRank2Black = rankMask<Rank1>();
+const Bitboard InFrontOfRank3Black = InFrontOfRank2Black | rankMask<Rank2>();
+const Bitboard InFrontOfRank4Black = InFrontOfRank3Black | rankMask<Rank3>();
+const Bitboard InFrontOfRank5Black = InFrontOfRank4Black | rankMask<Rank4>();
+const Bitboard InFrontOfRank6Black = InFrontOfRank5Black | rankMask<Rank5>();
+const Bitboard InFrontOfRank7Black = InFrontOfRank6Black | rankMask<Rank6>();
+const Bitboard InFrontOfRank8Black = InFrontOfRank7Black | rankMask<Rank7>();
+const Bitboard InFrontOfRank9Black = InFrontOfRank8Black | rankMask<Rank8>();
+
+const Bitboard InFrontOfRank9White = allZeroBB();
+const Bitboard InFrontOfRank8White = rankMask<Rank9>();
+const Bitboard InFrontOfRank7White = InFrontOfRank8White | rankMask<Rank8>();
+const Bitboard InFrontOfRank6White = InFrontOfRank7White | rankMask<Rank7>();
+const Bitboard InFrontOfRank5White = InFrontOfRank6White | rankMask<Rank6>();
+const Bitboard InFrontOfRank4White = InFrontOfRank5White | rankMask<Rank5>();
+const Bitboard InFrontOfRank3White = InFrontOfRank4White | rankMask<Rank4>();
+const Bitboard InFrontOfRank2White = InFrontOfRank3White | rankMask<Rank3>();
+const Bitboard InFrontOfRank1White = InFrontOfRank2White | rankMask<Rank2>();
+
 const Bitboard FileMask[FileNum] = {
 	File1Mask, File2Mask, File3Mask, File4Mask, File5Mask, File6Mask, File7Mask, File8Mask, File9Mask
 };
diff --git a/src/bitboard.hpp b/src/bitboard.hpp
index 42da76e..c1856c8 100644
--- a/src/bitboard.hpp
+++ b/src/bitboard.hpp
@@ -322,25 +322,25 @@ inline Bitboard squareRankMask(const Square sq) {
 	return rankMask(r);
 }
 
-const Bitboard InFrontOfRank1Black = allZeroBB();
-const Bitboard InFrontOfRank2Black = rankMask<Rank1>();
-const Bitboard InFrontOfRank3Black = InFrontOfRank2Black | rankMask<Rank2>();
-const Bitboard InFrontOfRank4Black = InFrontOfRank3Black | rankMask<Rank3>();
-const Bitboard InFrontOfRank5Black = InFrontOfRank4Black | rankMask<Rank4>();
-const Bitboard InFrontOfRank6Black = InFrontOfRank5Black | rankMask<Rank5>();
-const Bitboard InFrontOfRank7Black = InFrontOfRank6Black | rankMask<Rank6>();
-const Bitboard InFrontOfRank8Black = InFrontOfRank7Black | rankMask<Rank7>();
-const Bitboard InFrontOfRank9Black = InFrontOfRank8Black | rankMask<Rank8>();
-
-const Bitboard InFrontOfRank9White = allZeroBB();
-const Bitboard InFrontOfRank8White = rankMask<Rank9>();
-const Bitboard InFrontOfRank7White = InFrontOfRank8White | rankMask<Rank8>();
-const Bitboard InFrontOfRank6White = InFrontOfRank7White | rankMask<Rank7>();
-const Bitboard InFrontOfRank5White = InFrontOfRank6White | rankMask<Rank6>();
-const Bitboard InFrontOfRank4White = InFrontOfRank5White | rankMask<Rank5>();
-const Bitboard InFrontOfRank3White = InFrontOfRank4White | rankMask<Rank4>();
-const Bitboard InFrontOfRank2White = InFrontOfRank3White | rankMask<Rank3>();
-const Bitboard InFrontOfRank1White = InFrontOfRank2White | rankMask<Rank2>();
+extern const Bitboard InFrontOfRank1Black;
+extern const Bitboard InFrontOfRank2Black;
+extern const Bitboard InFrontOfRank3Black;
+extern const Bitboard InFrontOfRank4Black;
+extern const Bitboard InFrontOfRank5Black;
+extern const Bitboard InFrontOfRank6Black;
+extern const Bitboard InFrontOfRank7Black;
+extern const Bitboard InFrontOfRank8Black;
+extern const Bitboard InFrontOfRank9Black;
+
+extern const Bitboard InFrontOfRank9White;
+extern const Bitboard InFrontOfRank8White;
+extern const Bitboard InFrontOfRank7White;
+extern const Bitboard InFrontOfRank6White;
+extern const Bitboard InFrontOfRank5White;
+extern const Bitboard InFrontOfRank4White;
+extern const Bitboard InFrontOfRank3White;
+extern const Bitboard InFrontOfRank2White;
+extern const Bitboard InFrontOfRank1White;
 
 inline Bitboard inFrontMask(const Color c, const Rank r) { return InFrontMask[c][r]; }
 template <Color C, Rank R> inline Bitboard inFrontMask() {