It seems to work now on my gentoo linux x86-64 system after uncommenting #define USE_32BIT_ATTACKS and USE_FOLDED_BITSCAN!! Almost 800 KNPS seems not bad!
Test system: AMD Athlon(tm) 64 Processor 3400+
andreas@belugabox ~/g2-epsilon/src $ ./glaurung
uci
id name Glaurung 2-epsilon
id author Tord Romstad
option name Hash type spin default 32 min 4 max 1024
option name Ponder type check default true
option name OwnBook type check default true
option name UCI_Chess960 type check default false
option name UCI_EngineAbout type string default Glaurung by Tord Romstad, see
http://www.glaurungchess.com
uciok
go depth 15
info depth 2
info depth 2 score cp 11 time 1 nodes 45 nps 45000 pv b1c3 b8c6
info depth 3
info depth 3 score cp 54 time 1 nodes 197 nps 197000 pv b1c3 b8c6 g1f3
info depth 4
info depth 4 score cp 11 time 2 nodes 353 nps 176500 pv b1c3 b8c6 g1f3 g8f6
info depth 5
info depth 5 score cp 15 time 3 nodes 771 nps 257000 pv b1c3 b8c6 g1f3 g8f6 e2e3
info depth 6
info depth 6 score cp 11 time 4 nodes 1583 nps 395750 pv b1c3 b8c6 g1f3 g8f6 e2e3 e7e6
info depth 7
info depth 7 score cp 21 time 9 nodes 3557 nps 395222 pv b1c3 b8c6 g1f3 g8f6 e2e3 e7e6 f1d3
info depth 8
info depth 8 score cp 11 time 14 nodes 6378 nps 455571 pv b1c3 b8c6 g1f3 g8f6 e2e3 e7e6 f1d3 f8c5
info depth 9
info depth 9 score cp 35 time 40 nodes 17227 nps 430675 pv b1c3 b8c6 g1f3 g8f6 e2e3 e7e6 f1d3 c6b4 e1g1 b4d3 c2d3
info depth 10
info depth 10 score cp 11 time 122 nodes 37686 nps 308901 pv b1c3 b8c6 g1f3 g8f6 e2e3 e7e6 f1d3 f8c5 e1g1 e8g8
info depth 11
info depth 11 score cp 21 time 244 nodes 80707 nps 330766 pv b1c3 b8c6 g1f3 g8f6 e2e3 e7e6 f1d3 f8d6 e1g1 f6g4 g2g3
info depth 12
info depth 12 score cp 23 time 483 nodes 180209 nps 373103 pv b1c3 b8c6 g1f3 g8f6 e2e3 e7e6 f1d3 c6b4 e1g1 b4d3 c2d3 f8d6 f3d4
info depth 13
info depth 13 score cp 11 time 1042 nodes 419731 nps 402812 pv b1c3 b8c6 g1f3 g8f6 e2e3 e7e6 f1d3 c6b4 e1g1 b4d3 c2d3 f8d6 c3b5 e8g8 b5d6 c7d6
info currmove d2d4 currmovenumber 2
info nodes 420000 nps 402684 time 1042
info currmove e2e4 currmovenumber 3
info currmove d2d3 currmovenumber 4
info currmove g1h3 currmovenumber 5
info currmove e2e3 currmovenumber 6
info currmove a2a3 currmovenumber 7
info currmove g2g3 currmovenumber 8
info currmove b1a3 currmovenumber 9
info currmove c2c4 currmovenumber 10
info currmove h2h3 currmovenumber 11
info currmove b2b4 currmovenumber 12
info currmove g2g4 currmovenumber 13
info currmove b2b3 currmovenumber 14
info currmove h2h4 currmovenumber 15
info currmove a2a4 currmovenumber 16
info currmove c2c3 currmovenumber 17
info currmove g1f3 currmovenumber 18
info currmove f2f4 currmovenumber 19
info currmove f2f3 currmovenumber 20
info depth 14
info currmove b1c3 currmovenumber 1
info depth 14 score cp 11 time 1666 nodes 932312 nps 559611 pv b1c3 b8c6 g1f3 g8f6 e2e3 e7e6 f1e2 f8e7 d2d4 d7d5 e1g1 e8g8 c1d2 c8d7
info currmove d2d4 currmovenumber 2
info currmove e2e4 currmovenumber 3
info nodes 1290000 nps 628654 time 2052
info depth 14 score cp 23 time 2774 nodes 1995791 nps 719463 pv e2e4 b8c6 g1f3 g8f6 b1c3 e7e6 f1b5 f8b4 d2d3 e8g8 e1g1 d7d5 b5c6 b7c6 f3e5
info currmove d2d3 currmovenumber 4
info currmove g1h3 currmovenumber 5
info currmove e2e3 currmovenumber 6
info currmove b1a3 currmovenumber 7
info currmove a2a3 currmovenumber 8
info currmove c2c4 currmovenumber 9
info currmove g2g3 currmovenumber 10
info currmove h2h3 currmovenumber 11
info currmove g2g4 currmovenumber 12
info currmove b2b4 currmovenumber 13
info currmove h2h4 currmovenumber 14
info currmove b2b3 currmovenumber 15
info currmove a2a4 currmovenumber 16
info currmove c2c3 currmovenumber 17
info currmove g1f3 currmovenumber 18
info currmove f2f4 currmovenumber 19
info currmove f2f3 currmovenumber 20
info depth 15
info currmove e2e4 currmovenumber 1
info nodes 2220000 nps 724306 time 3064
info nodes 3210000 nps 786186 time 4083
info depth 15 score cp 25 time 4300 nodes 3423806 nps 796233 pv e2e4 b8c6 g1f3 g8f6 b1c3 e7e6 f1b5 f8b4 d2d3 e8g8 e1g1 d7d5 b5c6 b7c6 f3e5 c8b7
info currmove b1c3 currmovenumber 2
info currmove d2d4 currmovenumber 3
info currmove g1h3 currmovenumber 4
info currmove e2e3 currmovenumber 5
info currmove b2b3 currmovenumber 6
info currmove b1a3 currmovenumber 7
info currmove a2a4 currmovenumber 8
info currmove d2d3 currmovenumber 9
info currmove h2h3 currmovenumber 10
info currmove a2a3 currmovenumber 11
info currmove g2g4 currmovenumber 12
info currmove b2b4 currmovenumber 13
info currmove c2c4 currmovenumber 14
info currmove g2g3 currmovenumber 15
info currmove h2h4 currmovenumber 16
info currmove c2c3 currmovenumber 17
info currmove f2f4 currmovenumber 18
info currmove g1f3 currmovenumber 19
info currmove f2f3 currmovenumber 20
bestmove e2e4 ponder b8c6