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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic topic" role="article" aria-labelledby="ariaid-title1">
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<span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://aicdocco/taskstopics/sdk/advanced/sconstruct.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">SConstruct </h1>
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<div class="date inPage">16 May 2025</div><div style="color: gray;">
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Read time: 7 minute(s)
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<div class="- topic/body body">
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<p class="- topic/p p" data-ofbid="d38881e36__20250519091505">SConstruct，一般简称为 SCons，全称为 Software Construction Tool，是一个用 Python
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编写的开源构建工具，旨在改进和自动化软件构建过程。SConstruct 提供了一种更简单、更可靠且高效的替代传统构建系统如 GNU Make 的方案。</p>
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<p class="- topic/p p" data-ofbid="d38881e39__20250519091505"><span class="- topic/ph ph">Luban-Lite</span> 使用
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SConstruct
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来实现自动化构建。</p>
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||
<section class="- topic/section section" id="id__id1" data-ofbid="id__id1"><h2 class="- topic/title title sectiontitle">基本用法和特点</h2>
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||
<p class="- topic/p p" data-ofbid="d38881e48__20250519091505">SCons 使用 <a class="- topic/xref xref" href="sconstruct.html#id__id4">SConstruct</a> 和 <a class="- topic/xref xref" href="sconstruct.html#id__sconscript">SConscript</a>
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文件来组织源码结构。</p>
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<p class="- topic/p p" data-ofbid="d38881e59__20250519091505">在大型项目中，通常会有一个 SConstruct 和多个 SConscript 文件，分别位于含有源代码的子目录中。原则上每个存放有源代码的子目录下都会放置一个
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SConscript，但譬如 BSP 的驱动开发等会集合所有的驱动源码到一个 SConscript 中。</p>
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<div class="- topic/p p" data-ofbid="d38881e62__20250519091505">SCons 具有以下特点：<ul class="- topic/ul ul simple" id="id__ul_zfh_rpb_rdc" data-ofbid="id__ul_zfh_rpb_rdc">
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||
<li class="- topic/li li" data-ofbid="d38881e66__20250519091505">
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<p class="- topic/p p" data-ofbid="d38881e68__20250519091505">SCons 使用 Python 脚本做为配置文件，具有强大的表达式力和灵活性，允许执行复杂的逻辑和操作。</p>
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</li>
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||
<li class="- topic/li li" data-ofbid="d38881e72__20250519091505">
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<p class="- topic/p p" data-ofbid="d38881e74__20250519091505">Python 的跨平台特性使得 SCons 自然支持多平台，可以无缝地在 Windows、Linux
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及其它操作系统上运行，无需修改构建脚本。</p>
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</li>
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<li class="- topic/li li" data-ofbid="d38881e78__20250519091505">
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||
<p class="- topic/p p" data-ofbid="d38881e80__20250519091505">自动检测源文件和头文件之间的依赖关系，确保只有在必要时才重新构建项目。</p>
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||
</li>
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||
<li class="- topic/li li" data-ofbid="d38881e84__20250519091505">
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<p class="- topic/p p" data-ofbid="d38881e86__20250519091505">支持多种编程语言，包括 C/ C++/ D/ Java/ Fortran/ Yacc/ Lex/ Qt/ SWIG 以及
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Tex/Latex，扩展性好，支持用户自扩展编程语言。</p>
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||
</li>
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||
<li class="- topic/li li" data-ofbid="d38881e90__20250519091505">
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<p class="- topic/p p" data-ofbid="d38881e92__20250519091505">支持 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">make -j</span> 风格的并行构建，允许同时运行多个工作，以利用多核处理器的优势，提高构建速度。SCons
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管理并行任务时会考虑文件层次结构和依赖性，避免构建错误。</p>
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</li>
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<li class="- topic/li li" data-ofbid="d38881e100__20250519091505">
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||
<p class="- topic/p p" data-ofbid="d38881e102__20250519091505">使用 Autoconf 风格自动查找系统上的头文件，函数库，函数和类型定义，简化了跨系统构建配置的复杂性。</p>
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</li>
|
||
<li class="- topic/li li" data-ofbid="d38881e106__20250519091505">
|
||
<p class="- topic/p p" data-ofbid="d38881e108__20250519091505">基于 MD5 识别构建文件是否发生变化，比传统的时间戳更精准和安全。</p>
|
||
</li>
|
||
</ul></div>
|
||
</section>
|
||
<section class="- topic/section section" id="id__id2" data-ofbid="id__id2"><h2 class="- topic/title title sectiontitle">环境安装</h2>
|
||
|
||
|
||
<ul class="- topic/ul ul" id="id__ul_jrz_dsn_hdc" data-ofbid="id__ul_jrz_dsn_hdc">
|
||
<li class="- topic/li li" data-ofbid="d38881e123__20250519091505">
|
||
<div class="- topic/div div section" id="id__windows"><strong class="+ topic/ph hi-d/b ph b">Windows</strong><p class="- topic/p p" data-ofbid="d38881e128__20250519091505"><span class="- topic/ph ph">Luban-Lite</span>
|
||
具有小体积，良好的兼容性，以及快速的特点，尤其是在命令行的开发和构建方面，推荐在 Windows 系统上进行操作。</p><p class="- topic/p p" data-ofbid="d38881e132__20250519091505">Windows
|
||
下的对应工具存放在 <span class="+ topic/ph sw-d/filepath ph filepath">luban-lite/tools/env/tools</span>
|
||
目录中，不需要安装。</p><figure class="- topic/fig fig fignone" id="id__fig_dpb_2sn_hdc" data-ofbid="id__fig_dpb_2sn_hdc">
|
||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="id__image_epb_2sn_hdc" src="../../../images/sdk/win-sdk-tools.png" alt="win-sdk-tools"/></div><br/>
|
||
</figure></div>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d38881e147__20250519091505">
|
||
<div class="- topic/div div section" id="id__linux"><strong class="+ topic/ph hi-d/b ph b">Linux</strong>
|
||
<div class="- topic/p p" data-ofbid="d38881e153__20250519091505">在 Linux 系统上设置 <span class="- topic/ph ph">Luban-Lite</span> 固件构建环境，需要安装关键的依赖包，包括：<div class="- topic/note note note note_note" id="id__note_xpw_hsn_hdc" data-ofbid="id__note_xpw_hsn_hdc"><span class="note__title">注：</span> 推荐使用 <code class="+ topic/ph pr-d/codeph ph codeph">apt-get</code>
|
||
命令直接安装目标软件和依赖。</div></div><ol class="- topic/ol ol simple" id="id__ul_o12_2sn_hdc" data-ofbid="id__ul_o12_2sn_hdc">
|
||
<li class="- topic/li li" data-ofbid="d38881e165__20250519091505">
|
||
<p class="- topic/p p" data-ofbid="d38881e167__20250519091505">python2 + SCons</p>
|
||
<div class="- topic/div div section" id="id__scons"><strong class="+ topic/ph hi-d/b ph b">安装
|
||
SCons</strong>
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_p12_2sn_hdc" data-ofbid="id__codeblock_p12_2sn_hdc">sudo apt-get install scons</pre>
|
||
</div>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d38881e181__20250519091505">
|
||
<p class="- topic/p p" data-ofbid="d38881e183__20250519091505">python3 + pycryptodomex</p>
|
||
<div class="- topic/div div section" id="id__pycryptodomex"><strong class="+ topic/ph hi-d/b ph b">安装
|
||
pycryptodomex</strong><p class="- topic/p p" data-ofbid="d38881e193__20250519091505">pycryptodomex
|
||
是一个 python 编写的加密包，<span class="- topic/ph ph">Luban-Lite</span>
|
||
中有源码包可以进行编译安装</p><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_q12_2sn_hdc" data-ofbid="id__codeblock_q12_2sn_hdc">sudo apt install pip
|
||
cd tools/env/local_pkgs/
|
||
tar xvf pycryptodomex-<span class="hl-number">3.11</span>.<span class="hl-number">0.</span>tar.gz
|
||
cd pycryptodomex-<span class="hl-number">3.11</span>.<span class="hl-number">0</span>
|
||
sudo python3 setup.py install</pre></div>
|
||
</li>
|
||
</ol></div>
|
||
</li>
|
||
</ul>
|
||
</section>
|
||
<section class="- topic/section section" id="id__id4" data-ofbid="id__id4"><h2 class="- topic/title title sectiontitle">SConstruct</h2>
|
||
|
||
|
||
<div class="- topic/p p" data-ofbid="d38881e215__20250519091505"><span class="- topic/ph ph">Luban-Lite</span> 的 SConstruct 脚本放置在 SDK
|
||
根目录下，负责配置编译逻辑、设置全局环境变量，并允许用户添加自定义的私有环境变量 (ENV)，以便实现高度定制化的构建配置：<ul class="- topic/ul ul" id="id__ul_v1n_mcx_5cc" data-ofbid="id__ul_v1n_mcx_5cc">
|
||
<li class="- topic/li li" data-ofbid="d38881e221__20250519091505">配置编译逻辑：通过定义一系列的规则和依赖关系，SConstruct
|
||
脚本可以自动化编译流程。<p class="- topic/p p" data-ofbid="d38881e223__20250519091505">相关规则可以指定如何从源代码生成目标文件，包括编译器选择、编译选项及链接过程。用户可以在 SConstruct
|
||
中定义不同的编译配置，例如调试版本和发布版本，每种配置可以有不同的编译器选项和优化设置，从而满足不同环境下的构建需求。</p></li>
|
||
<li class="- topic/li li" data-ofbid="d38881e226__20250519091505">设置全局环境变量：SConstruct
|
||
提供了设置全局环境变量的功能，如编译器路径、包含目录等，确保构建过程能在正确的环境下执行。<p class="- topic/p p" data-ofbid="d38881e228__20250519091505">通过调整环境变量，<span class="- topic/ph ph">Luban-Lite</span> 可以适应不同的操作系统和工具链，提高构建系统的灵活性和兼容性。</p></li>
|
||
</ul><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_wx2_bww_fdc" data-ofbid="id__codeblock_wx2_bww_fdc">import os
|
||
import sys
|
||
|
||
# Luban-Lite root directory
|
||
AIC_ROOT = os.path.normpath(os.getcwd())
|
||
|
||
# luban-lite custom scripts
|
||
aic_script_path = os.path.join(AIC_ROOT, <span class="hl-string">'tools/scripts/'</span>)
|
||
sys.path.append(aic_script_path)
|
||
from aic_build import *
|
||
chk_prj_config(AIC_ROOT)
|
||
PRJ_CHIP,PRJ_BOARD,PRJ_KERNEL,PRJ_APP,PRJ_DEFCONFIG_NAME,PRJ_CUSTOM_LDS,MKIMAGE_POST_ACTION = get_prj_config(AIC_ROOT)
|
||
PRJ_NAME = PRJ_DEFCONFIG_NAME.replace(<span class="hl-string">'_defconfig'</span>,<span class="hl-string">''</span>)
|
||
PRJ_OUT_DIR = <span class="hl-string">'output/'</span> + PRJ_NAME + <span class="hl-string">'/images/'</span>
|
||
AIC_SCRIPT_DIR = aic_script_path
|
||
AIC_COMMON_DIR = os.path.join(AIC_ROOT, <span class="hl-string">'bsp/artinchip/sys/'</span> + PRJ_CHIP)
|
||
AIC_PACK_DIR = os.path.join(AIC_ROOT, <span class="hl-string">'target/'</span> + PRJ_CHIP + <span class="hl-string">'/'</span> + PRJ_BOARD + <span class="hl-string">'/pack/'</span>)
|
||
|
||
# Var tranfer to SConscript
|
||
Export(<span class="hl-string">'AIC_ROOT'</span>)
|
||
Export(<span class="hl-string">'AIC_SCRIPT_DIR'</span>)
|
||
Export(<span class="hl-string">'AIC_COMMON_DIR'</span>)
|
||
Export(<span class="hl-string">'AIC_PACK_DIR'</span>)
|
||
Export(<span class="hl-string">'PRJ_CHIP'</span>)
|
||
Export(<span class="hl-string">'PRJ_BOARD'</span>)
|
||
Export(<span class="hl-string">'PRJ_KERNEL'</span>)
|
||
Export(<span class="hl-string">'PRJ_APP'</span>)
|
||
Export(<span class="hl-string">'PRJ_NAME'</span>)
|
||
Export(<span class="hl-string">'PRJ_DEFCONFIG_NAME'</span>)
|
||
Export(<span class="hl-string">'PRJ_OUT_DIR'</span>)
|
||
# Var tranfer to Kconfig <span class="hl-string">'option env=xxx'</span>
|
||
os.environ[<span class="hl-string">"AIC_ROOT"</span>] = AIC_ROOT
|
||
os.environ[<span class="hl-string">"AIC_SCRIPT_DIR"</span>] = AIC_SCRIPT_DIR
|
||
os.environ[<span class="hl-string">"AIC_COMMON_DIR"</span>] = AIC_COMMON_DIR
|
||
os.environ[<span class="hl-string">"AIC_PACK_DIR"</span>] = AIC_PACK_DIR
|
||
os.environ[<span class="hl-string">"PRJ_CHIP"</span>] = PRJ_CHIP
|
||
os.environ[<span class="hl-string">"PRJ_BOARD"</span>] = PRJ_BOARD
|
||
os.environ[<span class="hl-string">"PRJ_KERNEL"</span>] = PRJ_KERNEL
|
||
os.environ[<span class="hl-string">"PRJ_APP"</span>] = PRJ_APP
|
||
os.environ[<span class="hl-string">"PRJ_NAME"</span>] = PRJ_NAME
|
||
os.environ[<span class="hl-string">"PRJ_DEFCONFIG_NAME"</span>] = PRJ_DEFCONFIG_NAME
|
||
os.environ[<span class="hl-string">"PRJ_OUT_DIR"</span>] = PRJ_OUT_DIR
|
||
|
||
# rtconfig
|
||
chip_path = os.path.join(AIC_ROOT, <span class="hl-string">'bsp/artinchip/sys/'</span> + PRJ_CHIP)
|
||
sys.path.append(chip_path)
|
||
import rtconfig
|
||
|
||
# RTT_ROOT
|
||
<strong class="hl-keyword">if</strong> os.getenv(<span class="hl-string">'RTT_ROOT'</span>):
|
||
RTT_ROOT = os.getenv(<span class="hl-string">'RTT_ROOT'</span>)
|
||
<strong class="hl-keyword">else</strong>:
|
||
RTT_ROOT = os.path.join(AIC_ROOT, <span class="hl-string">'kernel/rt-thread/'</span>)
|
||
os.environ[<span class="hl-string">"RTT_ROOT"</span>] = RTT_ROOT
|
||
sys.path.append(os.path.join(RTT_ROOT, <span class="hl-string">'tools'</span>))
|
||
from building import *
|
||
|
||
# ENV_ROOT
|
||
<strong class="hl-keyword">if</strong> os.getenv(<span class="hl-string">'ENV_ROOT'</span>) is None:
|
||
ENV_ROOT = RTT_ROOT + <span class="hl-string">'/../../tools/env'</span>
|
||
os.environ[<span class="hl-string">"ENV_ROOT"</span>] = ENV_ROOT
|
||
|
||
# TARGET
|
||
TARGET = PRJ_OUT_DIR + rtconfig.SOC + <span class="hl-string">'.'</span> + rtconfig.TARGET_EXT
|
||
|
||
rtconfig.LFLAGS += <span class="hl-string">' -T '</span> + ld
|
||
|
||
# add post action
|
||
rtconfig.POST_ACTION += MKIMAGE_POST_ACTION
|
||
|
||
# create env
|
||
env = Environment(tools = [<span class="hl-string">'mingw'</span>],
|
||
AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
|
||
CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
|
||
CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
|
||
AR = rtconfig.AR, ARFLAGS = <span class="hl-string">'-rc'</span>,
|
||
LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
|
||
env.PrependENVPath(<span class="hl-string">'PATH'</span>, rtconfig.EXEC_PATH)
|
||
|
||
# add --start-group and --end-group <strong class="hl-keyword">for</strong> GNU GCC
|
||
env[<span class="hl-string">'LINKCOM'</span>] = <span class="hl-string">'$LINK -o $TARGET $LINKFLAGS $__RPATH $SOURCES $_LIBDIRFLAGS -Wl,--start-group $_LIBFLAGS -Wl,--end-group'</span>
|
||
env[<span class="hl-string">'ASCOM'</span>] = env[<span class="hl-string">'ASPPCOM'</span>]
|
||
|
||
# signature database
|
||
env.SConsignFile(PRJ_OUT_DIR + <span class="hl-string">".sconsign.dblite"</span>)
|
||
|
||
Export(<span class="hl-string">'RTT_ROOT'</span>)
|
||
Export(<span class="hl-string">'rtconfig'</span>)
|
||
|
||
# Var tranfer to building.py
|
||
env[<span class="hl-string">'AIC_ROOT'</span>] = AIC_ROOT
|
||
env[<span class="hl-string">'AIC_SCRIPT_DIR'</span>] = AIC_SCRIPT_DIR
|
||
env[<span class="hl-string">'AIC_COMMON_DIR'</span>] = AIC_COMMON_DIR
|
||
env[<span class="hl-string">'AIC_PACK_DIR'</span>] = AIC_PACK_DIR
|
||
env[<span class="hl-string">'PRJ_CHIP'</span>] = PRJ_CHIP
|
||
env[<span class="hl-string">'PRJ_BOARD'</span>] = PRJ_BOARD
|
||
env[<span class="hl-string">'PRJ_KERNEL'</span>] = PRJ_KERNEL
|
||
env[<span class="hl-string">'PRJ_NAME'</span>] = PRJ_NAME
|
||
env[<span class="hl-string">'PRJ_APP'</span>] = PRJ_APP
|
||
env[<span class="hl-string">'PRJ_DEFCONFIG_NAME'</span>] = PRJ_DEFCONFIG_NAME
|
||
env[<span class="hl-string">'PRJ_OUT_DIR'</span>] = PRJ_OUT_DIR
|
||
|
||
# prepare building environment
|
||
objs = PrepareBuilding(env, RTT_ROOT, has_libcpu=False)
|
||
|
||
# make a building
|
||
DoBuilding(TARGET, objs)</pre></div>
|
||
</section>
|
||
<section class="- topic/section section" id="id__sconscript" data-ofbid="id__sconscript"><h2 class="- topic/title title sectiontitle">SConscript</h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d38881e244__20250519091505">SConscript 是 SCons 构建系统的配置文件，用于定义构建任务和依赖关系，以支持复杂的构建过程。SConscript 脚本位于源代码树的子目录中，每个
|
||
SConscript 文件可以描述该目录下的所有构建任务，从而简化构建流程的管理和维护。</p>
|
||
<p class="- topic/p p" data-ofbid="d38881e247__20250519091505">一些常用的 SConscript 方法有：</p>
|
||
<ul class="- topic/ul ul" id="id__ul_jj3_ksn_hdc" data-ofbid="id__ul_jj3_ksn_hdc">
|
||
<li class="- topic/li li" data-ofbid="d38881e252__20250519091505">
|
||
<div class="- topic/div div section" id="id__program">使用 <span class="+ topic/keyword pr-d/apiname keyword apiname">Program</span>
|
||
生成可执行文件<p class="- topic/p p" data-ofbid="d38881e259__20250519091505"><span class="+ topic/keyword pr-d/apiname keyword apiname">Program</span>
|
||
用于生成可执行文件的示例如下：</p><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_cck_ksn_hdc" data-ofbid="id__codeblock_cck_ksn_hdc">Program(<span class="hl-string">'hello.c'</span>) 编译 hello.c 可执行文件，根据系统自动生成(hello.exe on Windows; hello on POSIX)
|
||
Program(<span class="hl-string">'hello'</span>,<span class="hl-string">'hello.c'</span>) 指定 Output 文件名(hello.exe on Windows; hello on POSIX)
|
||
Program([<span class="hl-string">'hello.c'</span>, <span class="hl-string">'file1.c'</span>, <span class="hl-string">'file2.c'</span>]) 编译多个文件，Output 文件名以第一个文件命名
|
||
Program(source = <span class="hl-string">"hello.c"</span>,target = <span class="hl-string">"hello"</span>)
|
||
Program(target = <span class="hl-string">"hello"</span> , source = <span class="hl-string">"hello.c"</span>)
|
||
Program(<span class="hl-string">'hello'</span>, Split(<span class="hl-string">'hello.c file1.c file2.c'</span>)) 编译多个文件
|
||
|
||
Program(Glob(<span class="hl-string">"*.c"</span>))
|
||
src = [<span class="hl-string">"hello.c"</span>,<span class="hl-string">"foo.c"</span>];
|
||
Program(src)</pre>
|
||
</div>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d38881e268__20250519091505">
|
||
<div class="- topic/div div section" id="id__object">使用 <span class="+ topic/keyword pr-d/apiname keyword apiname">Object</span>
|
||
生成目标文件<p class="- topic/p p" data-ofbid="d38881e275__20250519091505"><span class="+ topic/keyword pr-d/apiname keyword apiname">Object</span>
|
||
用于生成目标文件的示例如下：</p><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_z2n_ksn_hdc" data-ofbid="id__codeblock_z2n_ksn_hdc">Object(<span class="hl-string">'hello.c'</span>) 编译 hello.c 目标文件，根据系统自动生成(hello.obj on Windows; hello.o on POSIX)
|
||
</pre>
|
||
</div>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d38881e284__20250519091505">
|
||
<div class="- topic/div div section" id="id__library">使用 <span class="+ topic/keyword pr-d/apiname keyword apiname">Library</span>
|
||
生成静态/动态库文件<p class="- topic/p p" data-ofbid="d38881e291__20250519091505"><span class="+ topic/keyword pr-d/apiname keyword apiname">Library</span>
|
||
用于生成静态/动态库文件</p><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_frp_ksn_hdc" data-ofbid="id__codeblock_frp_ksn_hdc">Library(<span class="hl-string">'foo'</span>, [<span class="hl-string">'f1.c'</span>, <span class="hl-string">'f2.c'</span>, <span class="hl-string">'f3.c'</span>]) 编译 library
|
||
SharedLibrary(<span class="hl-string">'foo'</span>, [<span class="hl-string">'f1.c'</span>, <span class="hl-string">'f2.c'</span>, <span class="hl-string">'f3.c'</span>]) 编译 shared library
|
||
StaticLibrary(<span class="hl-string">'bar'</span>, [<span class="hl-string">'f4.c'</span>, <span class="hl-string">'f5.c'</span>, <span class="hl-string">'f6.c'</span>]) 编译 <strong class="hl-keyword">static</strong> library
|
||
|
||
库的使用：
|
||
|
||
Program(<span class="hl-string">'prog.c'</span>, LIBS=[<span class="hl-string">'foo'</span>, <span class="hl-string">'bar'</span>], LIBPATH=<span class="hl-string">'.'</span>) 连接库，不需加后缀或是前缀
|
||
</pre>
|
||
</div>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d38881e300__20250519091505">
|
||
<div class="- topic/div div section" id="id__depends">使用 <span class="+ topic/keyword pr-d/apiname keyword apiname">Depends</span>
|
||
明确依赖关系<p class="- topic/p p" data-ofbid="d38881e307__20250519091505"><span class="+ topic/keyword pr-d/apiname keyword apiname">Depends</span>
|
||
用于明确依赖关系</p><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_ups_ksn_hdc" data-ofbid="id__codeblock_ups_ksn_hdc">Depends(hello,<span class="hl-string">'other_file'</span>)<em class="hl-comment">//hello 依赖于 other_file</em></pre>
|
||
</div>
|
||
</li>
|
||
</ul>
|
||
</section>
|
||
<div class="- topic/example example" id="id__example_kdj_4sn_hdc" data-ofbid="id__example_kdj_4sn_hdc"><h2 class="- topic/title title sectiontitle">驱动程序的 SConscript 示例 </h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d38881e323__20250519091505">以下是一个典型的驱动程序的 SConscript 示例，用于构建一个 UART 驱动程序。SConscript 文件示例定义了一个名为
|
||
<code class="+ topic/ph pr-d/codeph ph codeph">aic_osal</code> 的构建组，包含了 UART 驱动程序的所有源文件，并根据需要设置了头文件路径和编译选项。详情如下：</p>
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_vmp_4sn_hdc" data-ofbid="id__codeblock_vmp_4sn_hdc">Import(<span class="hl-string">'AIC_ROOT'</span>)
|
||
Import(<span class="hl-string">'PRJ_KERNEL'</span>)
|
||
from building import *
|
||
|
||
cwd = GetCurrentDir()
|
||
src = Glob(<span class="hl-string">'*.c'</span>)
|
||
CPPPATH = []
|
||
|
||
<strong class="hl-keyword">if</strong> GetDepend(<span class="hl-string">'DRIVER_DRV_EN'</span>):
|
||
CPPPATH.append(cwd + <span class="hl-string">'/include/drv'</span>)
|
||
<strong class="hl-keyword">if</strong> GetDepend(<span class="hl-string">'DRIVER_HAL_EN'</span>):
|
||
CPPPATH.append(cwd + <span class="hl-string">'/include/hal'</span>)
|
||
CPPPATH.append(cwd + <span class="hl-string">'/include/uapi'</span>)
|
||
|
||
# UART driver
|
||
<strong class="hl-keyword">if</strong> GetDepend(<span class="hl-string">'AIC_UART_DRV'</span>):
|
||
<strong class="hl-keyword">if</strong> GetDepend(<span class="hl-string">'DRIVER_DRV_EN'</span>):
|
||
src += Glob(<span class="hl-string">'drv/uart/*.c'</span>)
|
||
<strong class="hl-keyword">if</strong> GetDepend(<span class="hl-string">'DRIVER_HAL_EN'</span>):
|
||
src += Glob(<span class="hl-string">'hal/uart/*.c'</span>)
|
||
|
||
LOCAL_CCFLAGS += <span class="hl-string">' -O0'</span>
|
||
|
||
<em class="hl-comment">//DefineGroup(name， src， depend，**parameters)</em>
|
||
group = DefineGroup(<span class="hl-string">'aic_osal'</span>, src, depend=[<span class="hl-string">''</span>], CPPPATH=CPPPATH, LOCAL_CCFLAGS=LOCAL_CCFLAGS)
|
||
|
||
Return(<span class="hl-string">'group'</span>)
|
||
</pre>
|
||
<div class="- topic/p p" data-ofbid="d38881e332__20250519091505">上述 SConscript 示例代码主要完成以下任务：<ol class="- topic/ol ol" id="id__ol_hq4_1rx_5cc" data-ofbid="id__ol_hq4_1rx_5cc">
|
||
<li class="- topic/li li" data-ofbid="d38881e336__20250519091505">导入必要的变量和模块。</li>
|
||
<li class="- topic/li li" data-ofbid="d38881e339__20250519091505">获取当前目录并设置源文件列表 <span class="+ topic/keyword pr-d/parmname keyword parmname">src</span>。</li>
|
||
<li class="- topic/li li" data-ofbid="d38881e345__20250519091505">根据条件判断是否包含特定的头文件路径到 <span class="+ topic/keyword pr-d/parmname keyword parmname">CPPPATH</span> 中。</li>
|
||
<li class="- topic/li li" data-ofbid="d38881e351__20250519091505">如果启用了 UART 驱动程序，根据条件将相应的源文件添加到 <span class="+ topic/keyword pr-d/parmname keyword parmname">src</span> 列表中。</li>
|
||
<li class="- topic/li li" data-ofbid="d38881e357__20250519091505">添加编译选项 <span class="+ topic/keyword pr-d/parmname keyword parmname">-O0</span> 到 <span class="+ topic/keyword pr-d/parmname keyword parmname">LOCAL_CCFLAGS</span>。</li>
|
||
<li class="- topic/li li" data-ofbid="d38881e367__20250519091505">使用 <span class="+ topic/keyword pr-d/apiname keyword apiname">DefineGroup</span> 函数创建一个名为 <code class="+ topic/ph pr-d/codeph ph codeph">aic_osal</code>
|
||
的构建组，其中包含源文件、依赖项、头文件路径和编译选项。</li>
|
||
<li class="- topic/li li" data-ofbid="d38881e376__20250519091505">返回创建的构建组。</li>
|
||
</ol></div>
|
||
</div>
|
||
<div class="- topic/example example" id="id__example_ryp_msn_hdc" data-ofbid="id__example_ryp_msn_hdc"><h2 class="- topic/title title sectiontitle">应用程序的 SConscript 示例</h2>
|
||
|
||
<div class="- topic/p p" data-ofbid="d38881e386__20250519091505">以下是一个典型的应用程序的 SConscript
|
||
示例：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_pmm_h5g_y2c" data-ofbid="id__codeblock_pmm_h5g_y2c">Import(<span class="hl-string">'AIC_ROOT'</span>)
|
||
Import(<span class="hl-string">'PRJ_KERNEL'</span>)
|
||
from building import *
|
||
|
||
cwd = GetCurrentDir()
|
||
CPPPATH = []
|
||
src = []
|
||
<strong class="hl-keyword">if</strong> GetDepend(<span class="hl-string">'AIC_TP_DRV_TEST'</span>):
|
||
src = Glob(<span class="hl-string">'*.c'</span>)
|
||
|
||
group = DefineGroup(<span class="hl-string">'test-touch'</span>, src, depend = [<span class="hl-string">''</span>], CPPPATH = CPPPATH)
|
||
|
||
Return(<span class="hl-string">'group'</span>)</pre></div>
|
||
<div class="- topic/p p" data-ofbid="d38881e391__20250519091505">上述 SConscript 示例代码主要完成以下任务：<ol class="- topic/ol ol" id="id__ol_xgz_3rx_5cc" data-ofbid="id__ol_xgz_3rx_5cc">
|
||
<li class="- topic/li li" data-ofbid="d38881e395__20250519091505">导入必要的变量和模块。</li>
|
||
<li class="- topic/li li" data-ofbid="d38881e398__20250519091505">获取当前目录并设置头文件路径列表 <span class="+ topic/keyword pr-d/parmname keyword parmname">path</span>。</li>
|
||
<li class="- topic/li li" data-ofbid="d38881e404__20250519091505">根据条件判断是否包含特定的头文件路径到 <span class="+ topic/keyword pr-d/parmname keyword parmname">path</span> 中。</li>
|
||
<li class="- topic/li li" data-ofbid="d38881e410__20250519091505">初始化源文件列表 <span class="+ topic/keyword pr-d/parmname keyword parmname">src</span> 和编译选项列表 <span class="+ topic/keyword pr-d/parmname keyword parmname">CPPDEFINES</span>。</li>
|
||
<li class="- topic/li li" data-ofbid="d38881e419__20250519091505">如果启用了多媒体播放器接口，根据条件将相应的源文件添加到 <span class="+ topic/keyword pr-d/parmname keyword parmname">src</span> 列表中。</li>
|
||
<li class="- topic/li li" data-ofbid="d38881e426__20250519091505">使用 <span class="+ topic/keyword pr-d/apiname keyword apiname">DefineGroup</span> 函数创建一个名为 <span class="+ topic/keyword pr-d/parmname keyword parmname">test-touch</span>
|
||
的构建组，其中包含源文件、依赖项、头文件路径和编译选项。</li>
|
||
<li class="- topic/li li" data-ofbid="d38881e435__20250519091505">返回创建的构建组。</li>
|
||
</ol></div>
|
||
</div>
|
||
|
||
|
||
|
||
|
||
</div>
|
||
</article></main></div>
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<nav role="navigation" id="wh_topic_toc" aria-label="On this page" class="col-lg-2 d-none d-lg-block navbar d-print-none">
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<div id="wh_topic_toc_content">
|
||
|
||
<div class=" wh_topic_toc "><div class="wh_topic_label">在本页上</div><ul><li class="section-item"><div class="section-title"><a href="#id__id1" data-tocid="id__id1">基本用法和特点</a></div></li><li class="section-item"><div class="section-title"><a href="#id__id2" data-tocid="id__id2">环境安装</a></div></li><li class="section-item"><div class="section-title"><a href="#id__id4" data-tocid="id__id4">SConstruct</a></div></li><li class="section-item"><div class="section-title"><a href="#id__sconscript" data-tocid="id__sconscript">SConscript</a></div></li><li class="section-title"><a href="#id__example_kdj_4sn_hdc" data-tocid="id__example_kdj_4sn_hdc">驱动程序的 SConscript 示例 </a></li><li class="section-title"><a href="#id__example_ryp_msn_hdc" data-tocid="id__example_ryp_msn_hdc">应用程序的 SConscript 示例</a></li></ul></div>
|
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|
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|
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