Compiling problems on AIX 5.3

[Anonymous]

make
        if gcc -DPACKAGE_NAME=\"\" -DPACKAGE_TARNAME=\"\" -DPACKAGE_VERSION=\"\" -DPACKAGE_STRING=\"\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE=\"ser2net\" -DVERSION=\"2.5\" -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1 -DUSE_UUCP_LOCKING=1 -DSTDC_HEADERS=1 -DHAVE_LIBNSL=1 -I. -I.     -Wall -g -O2 -MT dataxfer.o -MD -MP -MF ".deps/dataxfer.Tpo" -c -o dataxfer.o dataxfer.c;  then mv -f ".deps/dataxfer.Tpo" ".deps/dataxfer.Po"; else rm -f ".deps/dataxfer.Tpo"; exit 1; fi
dataxfer.c:2005: error: 'B57600' undeclared here (not in a function)
dataxfer.c:2006: error: 'B115200' undeclared here (not in a function)
dataxfer.c:2007: error: 'B230400' undeclared here (not in a function)
dataxfer.c: In function 'com_port_handler':
dataxfer.c:2248: error: 'CRTSCTS' undeclared (first use in this function)
dataxfer.c:2248: error: (Each undeclared identifier is reported only once
dataxfer.c:2248: error: for each function it appears in.)
dataxfer.c:2248: error: wrong type argument to bit-complement
dataxfer.c:2248: error: invalid operands to binary &
dataxfer.c:2248: error: incompatible types in assignment
dataxfer.c:2248: warning: statement with no effect
dataxfer.c:2252: error: invalid operands to binary |
dataxfer.c:2252: error: incompatible types in assignment
dataxfer.c:2252: warning: statement with no effect
dataxfer.c:2256: error: invalid operands to binary &
dataxfer.c:2279: error: invalid operands to binary &
make: 1254-004 The error code from the last command is 1.

Any Hints ?
Thanks