Error linking file (undefined reference)

hi folks

i’m trying to compile the font.cpp and the font.h from lesson4 (
http://cone3d.gamedev.net ) and I receive the undefine reference to
drawString()

if i use the Dev-cpp to compile the lesson4, all ocurs fine, but if I use my
make.bat i receve that error

am I missing something???
sorry for my bad English
tks

make.bat---------------------------------------------------------
echo Building resource file…
C:\CPP\BIN\windres --include-dir C:\CPP\INCLUDE\ --include-dir
C:\CPP\INCLUDE\G__~1 --include-dir C:\CPP\INCLUDE\ --use-temp-file -I rc -O
coff -i C:\ARFERRARI\MEUS\1940\RSRC.RC -o C:\ARFERRARI\MEUS\1940\rsrc.o
echo.

echo Compiling files…
C:\CPP\BIN\g++ “C:\ARFERRARI\MEUS\1940\main.cpp” -c -ggdb -mwindows
-IC:\CPP\INCLUDE\ -IC:\CPP\INCLUDE\G__~1 -IC:\CPP\INCLUDE\ -LC:\CPP\LIB
-BC:\CPP\BIN
echo.

echo Linking files…
C:\CPP\BIN\g++ “C:\ARFERRARI\MEUS\1940\main.o” -o
C:\ARFERRARI\MEUS\1940\main.exe -lmingw32 -lSDLmain -lSDL
C:\ARFERRARI\MEUS\1940\RSRC.o -ggdb -mwindows -IC:\CPP\INCLUDE
-IC:\CPP\INCLUDE\G__~1 -IC:\CPP\INCLUDE\ -LC:\CPP\LIB\ -BC:\CPP\BIN
echo.