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configure文件全攻略

2009-02-23 21:35:05| 分类： linux | 标签： |举报 |字号大中小订阅

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为了支持交叉编译，可能需要修改的内容项目

一.需要修改的变量：

CC          C compiler command
CFLAGS      C compiler flags
LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
              nonstandard directory <lib dir>
LIBS        libraries to pass to the linker, e.g. -l<library>
CPPFLAGS    C/C++/Objective C preprocessor flags, e.g. -I<include dir> if
              you have headers in a nonstandard directory <include dir>

Use these variables to override the choices made by `configure' or to help
it to find libraries and programs with nonstandard names/locations.

二.需要修改的软件包

有些工具可能需要修改，比如生成二进制文件的工具，需要特殊的面向目标平台的链接程序等、

configure文件内容：

# 相关变量
# Initializations.
#

#安装目录选项，即将来的文件在make install exec_prefix=/foo会安装这个
#设置进行安装，为了达到这个效果，需要设置的变量
# Installation directory options.

#交叉编译涉及的变量
build=$build_alias
host=$host_alias
target=$target_alias

处理命令行configure参数的一堆：
'--host=HOST'
指定软件运行的系统平台.如果没有指定,将会运行`config.guess'来检测.
'--target=GARGET'
指定软件面向(target to)的系统平台.这主要在程序语言工具如编译器和汇编器上下文中起作用.如果没有指定,默认将使用'--host'选项的值.

#查找源文件
# Find the source files, if location was not specified.

#显示help信息的部分，包括help信息内容
# Report the --help message.

Some influential environment variables:

CC          C compiler command
CFLAGS      C compiler flags
LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
              nonstandard directory <lib dir>
LIBS        libraries to pass to the linker, e.g. -l<library>
CPPFLAGS    C/C++/Objective C preprocessor flags, e.g. -I<include dir> if
              you have headers in a nonstandard directory <include dir>

Use these variables to override the choices made by `configure' or to help
it to find libraries and programs with nonstandard names/locations.

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