Automake和Autoconf使用一个例子

 

1、用vi编辑器写一个hello.c程序

[maximus@maximus src]# vim hello.c

#include <stdio.h>

int main(void)

{

printf("Hello, Auto!\n");

return 0;

}

2、使用autoscan产生一个configure.in的原型,执行之后会产生configure.scan,可以用作configure.in的文件蓝本。

[maximus@maximus src]# autoscan

[maximus@maximus src]# ls

autoscan.log configure.scan hello.c

[maximus@maximus src]# mv configure.scan configure.in

[maximus@maximus src]# ls

autoscan.log configure.in hello.c

3、编辑configure.in

原内容:

                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ([2.63])
AC_INIT([FULL-PACKAGE-NAME], [VERSION], [BUG-REPORT-ADDRESS])
AC_CONFIG_SRCDIR([hello.c])
AC_CONFIG_HEADERS([config.h])

# Checks for programs.
AC_PROG_CC

# Checks for libraries.

# Checks for header files.

# Checks for typedefs, structures, and compiler characteristics.

# Checks for library functions.

AC_OUTPUT

修改之后内容:

                                           -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ([2.63])
AC_INIT(hello,0.1,[email protected])AM_INIT_AUTOMAKE(hello,0.1)
AC_CONFIG_SRCDIR([hello.c])
AC_CONFIG_HEADERS([config.h])

# Checks for programs.
AC_PROG_CC

# Checks for libraries.

# Checks for header files.

# Checks for typedefs, structures, and compiler characteristics.

# Checks for library functions.

AC_OUTPUT(Makefile)

4、执行aclocal和autoconf,分别产生aclocal.m4和configure

[maximus@maximus src]# aclocal

aclocal.m4 autom4te.cache autoscan.log configure.in hello.c

[maximus@maximus src]# autoconf

[maximus@maximus src]# ls

aclocal.m4 autom4te.cache autoscan.log configure configure.in hello.c

5、编辑Makefile.am

[maximus@maximus src]# vi Makefile.am

AUTOMAKE_OPTIONS=foreign

bin_PROGRAMS=hello

hello_SOURCES=hello.c

6、执行autoheader

[maximus@maximus src]# autoheader

[maximus@maximus src]# ls

aclocal.m4 autoscan.log configure hello.c autom4te.cache config.h.in configure.in Makefile.am

7、执行automake –a

[maximus@maximus src]$ automake -a
configure.in:6: installing `./install-sh'
configure.in:6: installing `./missing'
Makefile.am: installing `./depcomp'
[maximus@maximus src]$ ls
aclocal.m4      config.h.in   depcomp     Makefile.am
autom4te.cache  configure     hello.c     Makefile.in
autoscan.log    configure.in  install-sh  missing

8、执行./configure
[maximus@maximus src]$ ./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 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 ISO C89... 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: creating config.h
config.status: executing depfiles commands

[maximus@maximus src]$ ls
aclocal.m4      config.h.in    configure.in  Makefile     stamp-h1
autom4te.cache  config.log     depcomp       Makefile.am
autoscan.log    config.status  hello.c       Makefile.in
config.h        configure      install-sh    missing

9、执行make

[maximus@maximus src]$ make
make  all-am
make[1]: Entering directory `/home/maximus/source/sample/src'
gcc -DHAVE_CONFIG_H -I.     -g -O2 -MT hello.o -MD -MP -MF .deps/hello.Tpo -c -o hello.o hello.c
mv -f .deps/hello.Tpo .deps/hello.Po
gcc  -g -O2   -o hello hello.o  
make[1]: Leaving directory `/home/maximus/source/sample/src'

[maximus@maximus src]$ ls
aclocal.m4      config.h.in    configure.in  hello.o      Makefile.in
autom4te.cache  config.log     depcomp       install-sh   missing
autoscan.log    config.status  hello         Makefile     stamp-h1
config.h        configure      hello.c       Makefile.am

10、执行程序

[maximus@maximus src]$ ./hello
Hello,Auto!

这样一个简单的automake autoconf的过程就完成了,复杂的应用以后再学习

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