C语言：gcc编译过程及make命令、makefile语法规则

Love The Way You Lie 2023-10-05 11:12 14阅读 0赞

## gcc编译过程 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2E3NzIzMDQ0MTk_size_16_color_FFFFFF_t_70_pic_center]  
![在这里插入图片描述][20201007173907369.png_pic_center]  
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编译过程：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2E3NzIzMDQ0MTk_size_16_color_FFFFFF_t_70_pic_center 3]

## make && makefile ##

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### make概述 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2E3NzIzMDQ0MTk_size_16_color_FFFFFF_t_70_pic_center 5]

### makefile语法规则 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2E3NzIzMDQ0MTk_size_16_color_FFFFFF_t_70_pic_center 6]  
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### make命令格式 ###

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### Makefile案例 ###

之所以写成多个文件，是出于模拟多模块编程的目的：  
![在这里插入图片描述][20201007205558129.png_pic_center]

#### main.c ####

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#### head.h ####

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#### sum.c ####

![在这里插入图片描述][20201007205426414.png_pic_center]

#### sub.c ####

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#### gcc \*.c编译多个文件 ####

如果不使用Makefile的方式，直接通过gcc来编译也是可以的。  
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#### 编写Makefile ####

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#### 执行make命令 ####

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### 假想目标 ###

*  clean就是假想目标

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### Makefile变量 ###

#### 概述 ####

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#### 变量分类 ####

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#### 自定义变量的语法及示例 ####

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*  示例

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#### 系统环境变量 ####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2E3NzIzMDQ0MTk_size_16_color_FFFFFF_t_70_pic_center 21]

#### 自带预定义变量 ####

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![在这里插入图片描述][20201007211611936.png_pic_center]

*  示例

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#### 最精简版示例 ####

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