步骤：
>mkdir demo && cd demo
>vi helloworld.c
1 int main(int argc, char** argv)
2 {
3 printf("Hello, Linux World!\n");
4 return 0;
5 }
>autoscan
>cp configure.scan configure.in
>vi configure.in
1 # -*- Autoconf -*-
2 # Process this file with autoconf to produce a configure script.
3
4 AC_INIT(helloworld.c)
5 AM_INIT_AUTOMAKE(helloworld, 1.0)
6
7 # Checks for programs.
8 AC_PROG_CC
9
10 # Checks for libraries.
11
12 # Checks for header files.
13
14 # Checks for typedefs, structures, and compiler characteristics.
15
16 # Checks for library functions.
17 AC_OUTPUT(Makefile)
> aclocal
> autoconf
> ls
aclocal.m4 autoscan.log configure.in helloworld.c
autom4te.cache configure configure.scan
>vi Makefile.am
1 AUTOMAKE_OPTIONS=foreign
2 bin_PROGRAMS=helloworld
3 helloworld_SOURCES=helloworld.c
> automake --add-missing
configure.in: installing `./install-sh'
configure.in: installing `./mkinstalldirs'
configure.in: installing `./missing'
Makefile.am: installing `./depcomp'
> ./configure
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for gawk... gawk
checking whether make sets ＄(MAKE)... yes
checking for gcc... gcc
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables...
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 ANSI C... none needed
checking for style of include used by make... GNU
checking dependency style of gcc... gcc3
configure: creating ./config.status
config.status: creating Makefile
config.status: executing depfiles commands
> make
source='helloworld.c' object='helloworld.o' libtool=no \
depfile='.deps/helloworld.Po' tmpdepfile='.deps/helloworld.TPo' \
depmode=gcc3 /bin/sh ./depcomp \
gcc -DPACKAGE_NAME=\"\" -DPACKAGE_TARNAME=\"\" -DPACKAGE_VERSION=\"\" -DPACKAGE_STRING=\"\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE=\"helloworld\" -DVERSION=\"1.0\" -I. -I. -g -O2 -c `test -f 'helloworld.c' || echo './'`helloworld.c
gcc -g -O2 -o helloworld helloworld.o
> ls
aclocal.m4 config.status depcomp install-sh missing
autom4te.cache configure helloworld Makefile mkinstalldirs
autoscan.log configure.in helloworld.c Makefile.am
config.log configure.scan helloworld.o Makefile.in
> ./helloworld
Hello, Linux World!
