$ make
make -C src all
make[1]: Entering directory `/cygdrive/c/dev1/src'
make -C osdep
make[2]: Entering directory `/cygdrive/c/dev1/src/osdep'
Building for cygwin
make[3]: Entering directory `/cygdrive/c/dev1/src/osdep'
gcc -g -W -Wall -Werror -O3 -D_FILE_OFFSET_BITS=64 -D_REVISION=`../../evalrev`
 -I..    -c -o osdep.o osdep.c
gcc -g -W -Wall -Werror -O3 -D_FILE_OFFSET_BITS=64 -D_REVISION=`../../evalrev`
 -I..    -c -o network.o network.c
gcc -g -W -Wall -Werror -O3 -D_FILE_OFFSET_BITS=64 -D_REVISION=`../../evalrev`
 -I..    -c -o cygwin.o cygwin.c
gcc -g -W -Wall -Werror -O3 -D_FILE_OFFSET_BITS=64 -D_REVISION=`../../evalrev`
 -I..    -c -o cygwin_tap.o cygwin_tap.c
gcc -g -W -Wall -Werror -O3 -D_FILE_OFFSET_BITS=64 -D_REVISION=`../../evalrev`
 -I..    -c -o airpcap.o airpcap.c
ar x ../../../developers/Airpcap_Devpack/lib/libairpcap.a
ar: ../../../developers/Airpcap_Devpack/lib/libairpcap.a: No such file or direct
ory
make[3]: *** [.os.cygwin] Error 9
make[3]: Leaving directory `/cygdrive/c/dev1/src/osdep'
make[2]: *** [all] Error 2
make[2]: Leaving directory `/cygdrive/c/dev1/src/osdep'
make[1]: *** [osd] Error 2
make[1]: Leaving directory `/cygdrive/c/dev1/src'
make: *** [all] Error 2