Crazy compiliation message...

[timex1]

[root@server 09152005]# cd EMuShareMem
[root@server EMuShareMem]# make
gcc -Wall -Wuninitialized -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wno-deprecated -Wcomment -Wcast-align -DDEBUG=1 -DCATCH_CRASH -g -fPIC -O2 -D_GNU_SOURCE -DINVERSEXY -DFX `mysql_config --cflags` -c Doors.cpp -o Doors.o
cc1plus: warning: command line option "-Wstrict-prototypes" is valid for Ada/C/ObjC but not for C++
gcc -Wall -Wuninitialized -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wno-deprecated -Wcomment -Wcast-align -DDEBUG=1 -DCATCH_CRASH -g -fPIC -O2 -D_GNU_SOURCE -DINVERSEXY -DFX `mysql_config --cflags` -c Items.cpp -o Items.o
cc1plus: warning: command line option "-Wstrict-prototypes" is valid for Ada/C/ObjC but not for C++
gcc -Wall -Wuninitialized -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wno-deprecated -Wcomment -Wcast-align -DDEBUG=1 -DCATCH_CRASH -g -fPIC -O2 -D_GNU_SOURCE -DINVERSEXY -DFX `mysql_config --cflags` -c Spells.cpp -o Spells.o
cc1plus: warning: command line option "-Wstrict-prototypes" is valid for Ada/C/ObjC but not for C++
gcc -Wall -Wuninitialized -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wno-deprecated -Wcomment -Wcast-align -DDEBUG=1 -DCATCH_CRASH -g -fPIC -O2 -D_GNU_SOURCE -DINVERSEXY -DFX `mysql_config --cflags` -c NPCFactionLists.cpp -o NPCFactionLists.o
cc1plus: warning: command line option "-Wstrict-prototypes" is valid for Ada/C/ObjC but not for C++
gcc -Wall -Wuninitialized -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wno-deprecated -Wcomment -Wcast-align -DDEBUG=1 -DCATCH_CRASH -g -fPIC -O2 -D_GNU_SOURCE -DINVERSEXY -DFX `mysql_config --cflags` -c MMF.cpp -o MMF.o
cc1plus: warning: command line option "-Wstrict-prototypes" is valid for Ada/C/ObjC but not for C++
MMF.cpp: In member function `bool MMF::Open(const char*, int32)':
MMF.cpp:206: error: `errno' undeclared (first use this function)
MMF.cpp:206: error: (Each undeclared identifier is reported only once for each function it appears in.)
MMF.cpp:212: warning: comparison between signed and unsigned integer expressions
make: *** [MMF.o] Error 1

Any idea on this one guys?

FYI:
gcc (GCC) 3.4.3 20050227 (Red Hat 3.4.3-22.1) <-CentOS
EQEmu-0.6.2