Overall, I think all I've done is to add the new source files (los.cc, losparam.cc, mon-los.cc, ray.cc, sha256.cc) and change some settings from OS X 10.4 to OS X 10.5 because the stack trace code requires 10.5.
The ASCII version doesn't launch as a bundle, though the executable at Resources/crawl appears fine.
The Tiles version launches but hangs.
RSWZ7OVVLDCDNSW6Z4LAR7E57PR3ASE7BYMXPEX53QGLOL6V6PVQC
5S5IP6DUOWTVLEQBX6FVEFZLSZICVTJWWZXALKYXUUXEQ3V34CJQC
BLZUOM2JAQF5OO7MQZO2SRQTHZPHRIPTXOQFYOHRX4RHTUFEBRJQC
OWU4HTEMJN5AR27RTHVRRSYFDD2S3UQRYNQJKB7TPCY2NBQUE4YQC
RPOZZWKG5GLPHVZZ7ZKMKS64ZMV2LDCQSARBJFJ6FZOTOKCQO7FAC
HCRZJJPWB2X336IUYH4V3WJCQRH6LUIBAFGARURM54DTAEJJSW6AC
TGGNYQHGRJEJFSV6GMFFWFQXOXZEZIE3XGCFYFNGMZ4QPHW726IAC
MZDTJJ2U2QLANDUIWO6VY3UZWS2UYNA7VTRYRPRVYNFLTZGYFGAAC
4IRWJXMNCVUKUXB2MKLETCZ2ER476CIGOQBT6SJ54KHIZYWLW2BQC
RPKUCJQCYAEZSRMZDJXLCKR6CBJ2SS4JUVTOUMI4LJ734QM76RRQC
E1424F74107FAE1100E2A9CD /* ctest.cc in Sources */ = {isa = PBXBuildFile; fileRef = B0CFB313106DF67F005F9CC3 /* ctest.cc */; };
E1424F75107FAE4900E2A9CD /* los.cc in Sources */ = {isa = PBXBuildFile; fileRef = E14D930A107FA77200E3F5FE /* los.cc */; };
E1424F7E107FAEC700E2A9CD /* losparam.cc in Sources */ = {isa = PBXBuildFile; fileRef = E14D930B107FA77200E3F5FE /* losparam.cc */; };
E1424F7F107FAEC700E2A9CD /* mon-los.cc in Sources */ = {isa = PBXBuildFile; fileRef = E14D930C107FA77200E3F5FE /* mon-los.cc */; };
E1424F80107FAEC700E2A9CD /* ray.cc in Sources */ = {isa = PBXBuildFile; fileRef = E14D930D107FA77200E3F5FE /* ray.cc */; };