/cygdrive/c/WpdPack/Examples-pcap/basic_dump

GNUmakefile

CAT

$ cat GNUmakefile
# Makefile for cygwin gcc
# Nate Lawson <nate@rootlabs.com>

PCAP_PATH = ../../lib
CFLAGS = -g -O -mno-cygwin -I ../../include

OBJS = basic_dump.o
LIBS = -L ${PCAP_PATH} -lwpcap

all: ${OBJS}
        ${CC} ${CFLAGS} -o basic_dump.exe ${OBJS} ${LIBS}

clean:
        rm -f ${OBJS} basic_dump.exe

.c.o:
        ${CC} ${CFLAGS} -c -o $*.o $<

-mno-cygwin

-mno-cygwin

sed -i 's/-mno-cygwin//g' GNUmakefile1

 make

cc -g -O  -I ../../include -c -o basic_dump.o basic_dump.c
basic_dump.c: In function ‘main’:
basic_dump.c:27:3: warning: implicit declaration of function ‘exit’ [-Wimplicit-function-declaration]
   exit(1);
   ^
basic_dump.c:27:3: warning: incompatible implicit declaration of built-in function ‘exit’
basic_dump.c:27:3: note: include ‘<stdlib.h>’ or provide a declaration of ‘exit’
basic_dump.c: In function ‘packet_handler’:
basic_dump.c:99:3: error: ‘VOID’ undeclared (first use in this function)
  (VOID)(param);
   ^
basic_dump.c:99:3: note: each undeclared identifier is reported only once for each function it appears in
GNUmakefile:17: recipe for target 'basic_dump.o' failed
make: *** [basic_dump.o] Error 1

-mno-cygwin