Linux C一个Autotools的最简单例子

本网站用的阿里云ECS,推荐大家用。自己搞个学习研究也不错
1、准备:
     需要工具autoscan aclocal autoheader automake autoconf make 等工具.
2、测试程序编写:
     建立目录:mkdir include src
     编写程序:include/str.h

#include
int str(char *string);

编写程序:src/str.c

#include “str.h”
//print string
int str(char *string){
        printf(“\n—-PRINT STRING—-\n\”%s\”\n”,string);
        return 0;
}

//interface of this program
int main(int argc , char **argv){
        char str_read[1024];
        printf(“Please INPUT something end by [ENTER]\n”);
        scanf(“%s”,str_read);
        return str(str_read );
}

3、生成configure.ac
    configure.ac是automake的输入文件,所以必须先生成该文件。
    执行命令:

[root@localhost str]# ls
include  src
[root@localhost str]# autoscan
autom4te: configure.ac: no such file or directory
autoscan: /usr/bin/autom4te failed with exit status: 1
[root@localhost str]# ls
autoscan.log  configure.scan  include  src
[root@localhost str]# cp configure.scan configure.ac

修改 configure.ac

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

AC_PREREQ(2.59)
AC_INIT(FULL-PACKAGE-NAME, VERSION, BUG-REPORT-ADDRESS)
AC_CONFIG_SRCDIR([include/str.h])
AC_CONFIG_HEADER([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

AC_INIT(FULL-PACKAGE-NAME, VERSION, BUG-REPORT-ADDRESS)

AC_INIT(str,0.0.1, [bug@sounos.org])

FULL-PACKAGE-NAME 为程序名称,VERSION为当前版本, BUG-REPORT-ADDRESS为bug汇报地址
    添加AM_INIT_AUTOMAKE
    添加AC_CONFIG_FILES([Makefile])

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

AC_PREREQ(2.59)
#AC_INIT(FULL-PACKAGE-NAME, VERSION, BUG-REPORT-ADDRESS)
AC_INIT(str, 0.0.1, [bug@sounos.org])
AM_INIT_AUTOMAKE
AC_CONFIG_SRCDIR([include/str.h])
AC_CONFIG_HEADER([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_CONFIG_FILES([Makefile])
AC_OUTPUT

4、执行aclocal

[root@localhost str]# aclocal
/usr/share/aclocal/libfame.m4:6: warning: underquoted definition of AM_PATH_LIBFAME
  run info ‘(automake)Extending aclocal’
  or se

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