1，源文件udp.c
2，需要连接的动态库为pcap.soXXXX
3，生成的可执行文件myudp
一，建立工作目录
[root@localhost makeso]# pwd
/root/devel/makeso
[root@localhost makeso]# tree
.
└── udp.c
二，autoscan
[root@localhost makeso]# autoscan
[root@localhost makeso]# ls
autoscan.log configure.scan udp.c
[root@localhost makeso]# mv configure.scan configure.in
三，修改configure.in
[root@localhost makeso]# vim configure.in
1 # -*- Autoconf -*-
2 # Process this file with autoconf to produce a configure script.
3
4 AC_PREREQ([2.66])
5 AC_INIT([FULL-PACKAGE-NAME], [VERSION], [BUG-REPORT-ADDRESS])
6 AC_CONFIG_SRCDIR([udp.c])
7 AC_CONFIG_HEADERS([config.h])
8
9 # Checks for programs.
10 AC_PROG_CC
11
12 # Checks for libraries.
13
14 # Checks for header files.
15 AC_CHECK_HEADERS([arpa/inet.h fcntl.h netdb.h netinet/in.h stdlib.h string.h sys/ioctl.h sys/soc
ket.h unistd.h])
16
17 # Checks for typedefs, structures, and compiler characteristics.
18
19 # Checks for library functions.
20 AC_CHECK_FUNCS([socket])
21
22 AC_OUTPUT
修改之后
1 # -*- Autoconf -*-
2 # Process this file with autoconf to produce a configure script.
3
4 AC_PREREQ([2.66])
5 AC_INIT(udp.c)
6 AM_INIT_AUTOMAKE(myudp,1.0)
7 AC_CONFIG_SRCDIR([udp.c])
8 #AC_CONFIG_HEADERS([config.h])
9
10 # Checks for programs.
11 AC_PROG_CC
12
13 # Checks for libraries.
14 AC_CHECK_LIB([pcap], [main])
15
16 # Checks for header files.
17 AC_CHECK_HEADERS([arpa/inet.h fcntl.h netdb.h netinet/in.h stdlib.h string.h sys/ioctl.h sys/soc
ket.h unistd.h])
18
19 # Checks for typedefs, structures, and compiler characteristics.
20
21 # Checks for library functions.
22 AC_CHECK_FUNCS([socket])
23
24 AC_OUTPUT(Makefile)
四，生成configure
[root@localhost makeso]# aclocal
[root@localhost makeso]# autoconf
[root@localhost makeso]# ls
aclocal.m4 autom4te.cache autoscan.log configure configure.in udp.c
五，编辑Makefile.am
[root@localhost makeso]# vim Makefile.am
1 AUTOMAKE_OPTIONS= foreign
2 bin_PROGRAMS= myudp
3 myudp_SOURCES= udp.c
六，执行 Automake --add-missing ，Automake 会根据Makefile.am 文件产生一些文件，包含最重要的Makefile.in
[root@localhost makeso]# automake --add-missing
configure.in:6: installing `./install-sh'
configure.in:6: installing `./missing'
Makefile.am: installing `./depcomp'
至此，Makefile已经制作完毕，看下效果
[root@localhost makeso]# tree
.
├── aclocal.m4
├── autom4te.cache
│ ├── output.0
│ ├── output.1
│ ├── output.2
│ ├── requests
│ ├── traces.0
│ ├── traces.1
│ └── traces.2
├── autoscan.log
├── configure
├── configure.in
├── depcomp -> /usr/share/automake-1.11/depcomp
├── install-sh -> /usr/share/automake-1.11/install-sh
├── Makefile.am
├── Makefile.in
├── missing -> /usr/share/automake-1.11/missing
└── udp.c
1 directory, 17 files
[root@localhost makeso]# ./configure
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables...
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking for style of include used by make... GNU
checking dependency style of gcc... gcc3
checking for main in -lpcap... yes
checking how to run the C preprocessor... gcc -E
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for ANSI C header files... yes
……………………………………
……………………
[root@localhost makeso]# make
gcc -DPACKAGE_NAME=\"\" -DPACKAGE_TARNAME=\"\" -DPACKAGE_VERSION=\"\" -DPACKAGE_STRING=\"\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DPACKAGE=\"myudp\" -DVERSION=\"1.0\" -DHAVE_LIBPCAP=1 -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_ARPA_INET_H=1 -DHAVE_FCNTL_H=1 -DHAVE_NETDB_H=1 -DHAVE_NETINET_IN_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_SYS_IOCTL_H=1 -DHAVE_SYS_SOCKET_H=1 -DHAVE_UNISTD_H=1 -DHAVE_SOCKET=1 -I. -g -O2 -MT udp.o -MD -MP -MF .deps/udp.Tpo -c -o udp.o udp.c
mv -f .deps/udp.Tpo .deps/udp.Po
gcc -g -O2 -o myudp udp.o -lpcap
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