xmake
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xmake-docs
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<h4>This is a mirror page, please see the original page: </h4><a href="https://xmake.io/#/features/autogen">https://xmake.io/#/features/autogen</a>
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    <h1 id="autogeneration">Autogeneration</h1>
<p>Xmake supports the autogeneration of project files, including it&#39;s own! While it won&#39;t work for every project (as is the nature of these things), it should work for basic and medium complexity projects. You do not need to write any "make-like" file (<code>xmake.lua</code>, <code>makefile</code>, <code>CMakeLists.txt</code>, etc.).</p>
<p>The fool will scan all of the source files and generate an <code>xmake.lua</code> automatically based on your product structure. Xmake will try to detect a <code>main</code> function in the source files to distinguish between the source code for libraries and executable programs.</p>
<p>If autogeneration succeeds, you should still look through the generated <code>xmake.lua</code> and make any changes you need, and make sure everything worked well.</p>
<p>Currently, projects that use directories in multiple levels are <em>not</em> supported. Appologies.</p>
<h2 id="usecases">Use cases</h2>
<ol>
<li>Temporarily quickly compile and run some scattered test code</li>
<li>A starting point to porting and compiling open source code</li>
<li>Quickly create a new Xmake project based on existing code</li>
</ol>
<h2 id="howtouseit">How to use it</h2>
<p>Execute Xmake directly in the directory with the source code (no xmake.lua), and follow the prompts:</p>
<pre><code class="lang-bash">$ xmake
note: xmake.lua not found, try generating it (pass -y or --confirm=y/n/d to skip confirm)?
please input: n (y/n)
y
</code></pre>
<p>In addition, when there are other build system identification files (such as <code>CMakeLists.txt</code>), the process of automatically generating an <code>xmake.lua</code> file will not be triggered. Instead, it will attemp to <a href="#Automatically detect build system and compile">automatically detect build system and compile</a> the code. If you want to force trigger the process of automatically generating <code>xmake.lua</code> file, you can run:</p>
<pre><code class="lang-bash">$ xmake f -y
</code></pre>
<h3 id="compileopensourcelibraries">Compile open source libraries</h3>
<p>Although this approach has some limitations, but it is already sufficient to generate for existing libraries.</p>
<p>For example, if you download the source code for zlib-1.2.10 and want to compile it, you only need to enter the zlib source directory and run the following command:</p>
<pre><code class="lang-bash">$ cd zlib-1.2.10
$ xmake
note: xmake.lua not found, try generating it (pass -y or --confirm=y/n/d to skip confirm)?
please input: n (y/n)
y
</code></pre>
<p>It&#39;s done! the output results:</p>
<pre><code>target(zlib-1.2): static
    [+]: ./adler32.c
    [+]: ./compress.c
    [+]: ./crc32.c
    [+]: ./deflate.c
    [+]: ./gzclose.c
    [+]: ./gzlib.c
    [+]: ./gzread.c
    [+]: ./gzwrite.c
    [+]: ./infback.c
    [+]: ./inffast.c
    [+]: ./inflate.c
    [+]: ./inftrees.c
    [+]: ./trees.c
    [+]: ./uncompr.c
    [+]: ./zutil.c
xmake.lua generated, scan ok!👌
checking for the architecture ... x86_64
checking for the Xcode SDK version for macosx ... 10.12
checking for the target minimal version ... 10.12
checking for the c compiler (cc) ... xcrun -sdk macosx clang
checking for the c++ compiler (cxx) ... xcrun -sdk macosx clang
checking for the objc compiler (mm) ... xcrun -sdk macosx clang
checking for the objc++ compiler (mxx) ... xcrun -sdk macosx clang++
checking for the swift compiler (sc) ... xcrun -sdk macosx swiftc
checking for the assember (as) ... xcrun -sdk macosx clang
checking for the linker (ld) ... xcrun -sdk macosx clang++
checking for the static library archiver (ar) ... xcrun -sdk macosx ar
checking for the static library extractor (ex) ... xcrun -sdk macosx ar
checking for the shared library linker (sh) ... xcrun -sdk macosx clang++
checking for the debugger (dd) ... xcrun -sdk macosx lldb
checking for the golang compiler (go) ... go
configure
{
    ex = "xcrun -sdk macosx ar"
,   sh = "xcrun -sdk macosx clang++"
,   host = "macosx"
,   ar = "xcrun -sdk macosx ar"
,   buildir = "build"
,   as = "xcrun -sdk macosx clang"
,   plat = "macosx"
,   xcode_dir = "/Applications/Xcode.app"
,   arch = "x86_64"
,   mxx = "xcrun -sdk macosx clang++"
,   go = "go"
,   target_minver = "10.12"
,   ccache = "ccache"
,   mode = "release"
,   clean = true
,   cxx = "xcrun -sdk macosx clang"
,   cc = "xcrun -sdk macosx clang"
,   dd = "xcrun -sdk macosx lldb"
,   kind = "static"
,   ld = "xcrun -sdk macosx clang++"
,   xcode_sdkver = "10.12"
,   sc = "xcrun -sdk macosx swiftc"
,   mm = "xcrun -sdk macosx clang"
}
configure ok!
clean ok!
[00%]: cache compiling.release ./adler32.c
[06%]: cache compiling.release ./compress.c
[13%]: cache compiling.release ./crc32.c
[20%]: cache compiling.release ./deflate.c
[26%]: cache compiling.release ./gzclose.c
[33%]: cache compiling.release ./gzlib.c
[40%]: cache compiling.release ./gzread.c
[46%]: cache compiling.release ./gzwrite.c
[53%]: cache compiling.release ./infback.c
[60%]: cache compiling.release ./inffast.c
[66%]: cache compiling.release ./inflate.c
[73%]: cache compiling.release ./inftrees.c
[80%]: cache compiling.release ./trees.c
[86%]: cache compiling.release ./uncompr.c
[93%]: cache compiling.release ./zutil.c
[100%]: archiving.release libzlib-1.2.a
build ok!👌
</code></pre><p>Xmake will scan the current directory to detect all source codes and it do not found main function. As such, detect that it is a static library, and thus it will build it as a static library (with an output/artifact of <code>libzlib-1.2.a</code>).</p>
<p>We did not write any make-like files (Xmake.lua, ..) and did not use the makefile of zlib project. Isn&#39;t that neat? It is compiled directly and a <code>xmake.lua</code> file was generated which we can edit this xmake.lua to build more complicated project.</p>
<p>The content of the generated xmake.lua:</p>
<pre><code class="lang-lua">-- define target
target("zlib-1.2")

    -- set kind
    set_kind("static")

    -- add files
    add_files("./adler32.c")
    add_files("./compress.c")
    add_files("./crc32.c")
    add_files("./deflate.c")
    add_files("./gzclose.c")
    add_files("./gzlib.c")
    add_files("./gzread.c")
    add_files("./gzwrite.c")
    add_files("./infback.c")
    add_files("./inffast.c")
    add_files("./inflate.c")
    add_files("./inftrees.c")
    add_files("./trees.c")
    add_files("./uncompr.c")
    add_files("./zutil.c")
</code></pre>
<p>As you can see, it&#39;s pretty human readable.</p>
<h3 id="compileandruntestingcodefast">Compile and run testing code... fast!</h3>
<p>Let&#39;s say you want to write a simple program, with one source file (<code>main.c</code>), solely to print "Hello, world!" to stdout.</p>
<pre><code class="lang-c">/* main.c */

#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[]) {
    printf("Hello, world!");

    return EXIT_SUCCESS;
}
</code></pre>
<p>If we use GCC to compile and run it, need run two commands:</p>
<pre><code class="lang-bash">$ gcc ./main.c -o main
$ ./main
</code></pre>
<p>If we use xmake to run it, only need to run:</p>
<pre><code class="lang-bash">$ xmake run
</code></pre>
<p>Or even:</p>
<pre><code class="lang-bash">$ xmake r
</code></pre>
<p>As we expect, we see...</p>
<pre><code>Hello, world!
</code></pre><p>...printed to the console! Even if we have a lot of source files, you only need to run one command:</p>
<pre><code class="lang-bash">$ xmake run
</code></pre>
<p>How easy and convenient!</p>
<h3 id="multilanguagesupport">Multi-language support</h3>
<p>This feature of autogeneration of project files not only supports C/C++, also supports Objective-C and Swift, and it will support Go in future. For example, if you download the <code>fmdb</code> library, an iOS library which wraps SQLite:</p>
<pre><code># Files:
.
├── FMDB.h
├── FMDatabase.h
├── FMDatabase.m
├── FMDatabaseAdditions.h
├── FMDatabaseAdditions.m
├── FMDatabasePool.h
├── FMDatabasePool.m
├── FMDatabaseQueue.h
├── FMDatabaseQueue.m
├── FMResultSet.h
└── FMResultSet.m
</code></pre><p>You can see that there aren&#39;t any make-like files in the project directory. "Whatever will we do?" I think you know. We can use Xmake to build it directly as a iOS static library:</p>
<pre><code class="lang-bash">$ xmake f -p iphoneos; xmake
</code></pre>
<p>The output is:</p>
<pre><code>xmake.lua not found, scanning files ..
target(FMDB): static
    [+]: ./FMDatabase.m
    [+]: ./FMDatabaseAdditions.m
    [+]: ./FMDatabasePool.m
    [+]: ./FMDatabaseQueue.m
    [+]: ./FMResultSet.m
xmake.lua generated, scan ok!👌
checking for the architecture ... armv7
checking for the Xcode SDK version for iphoneos ... 10.1
checking for the target minimal version ... 10.1
checking for the c compiler (cc) ... xcrun -sdk iphoneos clang
checking for the c++ compiler (cxx) ... xcrun -sdk iphoneos clang
checking for the objc compiler (mm) ... xcrun -sdk iphoneos clang
checking for the objc++ compiler (mxx) ... xcrun -sdk iphoneos clang++
checking for the assember (as) ... gas-preprocessor.pl xcrun -sdk iphoneos clang
checking for the linker (ld) ... xcrun -sdk iphoneos clang++
checking for the static library archiver (ar) ... xcrun -sdk iphoneos ar
checking for the static library extractor (ex) ... xcrun -sdk iphoneos ar
checking for the shared library linker (sh) ... xcrun -sdk iphoneos clang++
checking for the swift compiler (sc) ... xcrun -sdk iphoneos swiftc
configure
{
    ex = "xcrun -sdk iphoneos ar"
,   ccache = "ccache"
,   host = "macosx"
,   ar = "xcrun -sdk iphoneos ar"
,   buildir = "build"
,   as = "/usr/local/share/xmake/tools/utils/gas-preprocessor.pl xcrun -sdk iphoneos clang"
,   arch = "armv7"
,   mxx = "xcrun -sdk iphoneos clang++"
,   cxx = "xcrun -sdk iphoneos clang"
,   target_minver = "10.1"
,   xcode_dir = "/Applications/Xcode.app"
,   clean = true
,   sh = "xcrun -sdk iphoneos clang++"
,   cc = "xcrun -sdk iphoneos clang"
,   ld = "xcrun -sdk iphoneos clang++"
,   mode = "release"
,   kind = "static"
,   plat = "iphoneos"
,   xcode_sdkver = "10.1"
,   sc = "xcrun -sdk iphoneos swiftc"
,   mm = "xcrun -sdk iphoneos clang"
}
configure ok!
clean ok!
[00%]: cache compiling.release ./FMDatabase.m
[20%]: cache compiling.release ./FMDatabaseAdditions.m
[40%]: cache compiling.release ./FMDatabasePool.m
[60%]: cache compiling.release ./FMDatabaseQueue.m
[80%]: cache compiling.release ./FMResultSet.m
[100%]: archiving.release libFMDB.a
build ok!👌
</code></pre><p>and of course we also get a <code>libFMDB.a</code> static library.</p>
<h3 id="compilemultipleexecutablesatthesametime">Compile multiple executables at the same time</h3>
<p>Let&#39;s say you downloaded the "sixth public release of the Independent JPEG Group&#39;s free JPEG software", and wanted to build it. You could do it yourself, or you could run:</p>
<pre><code class="lang-bash">xmake
</code></pre>
<p>The output results are:</p>
<pre><code>xmake.lua not found, scanning files ..
target(jpeg-6b): static
    [+]: ./cdjpeg.c
    [+]: ./example.c
    [+]: ./jcapimin.c
    [+]: ./jcapistd.c
    [+]: ./jccoefct.c
    [+]: ./jccolor.c
    [+]: ./jcdctmgr.c
    [+]: ./jchuff.c
    [+]: ./jcinit.c
    [+]: ./jcmainct.c
    [+]: ./jcmarker.c
    [+]: ./jcmaster.c
    [+]: ./jcomapi.c
    [+]: ./jcparam.c
    [+]: ./jcphuff.c
    [+]: ./jcprepct.c
    [+]: ./jcsample.c
    [+]: ./jctrans.c
    [+]: ./jdapimin.c
    [+]: ./jdapistd.c
    [+]: ./jdatadst.c
    [+]: ./jdatasrc.c
    [+]: ./jdcoefct.c
    [+]: ./jdcolor.c
    [+]: ./jddctmgr.c
    [+]: ./jdhuff.c
    [+]: ./jdinput.c
    [+]: ./jdmainct.c
    [+]: ./jdmarker.c
    [+]: ./jdmaster.c
    [+]: ./jdmerge.c
    [+]: ./jdphuff.c
    [+]: ./jdpostct.c
    [+]: ./jdsample.c
    [+]: ./jdtrans.c
    [+]: ./jerror.c
    [+]: ./jfdctflt.c
    [+]: ./jfdctfst.c
    [+]: ./jfdctint.c
    [+]: ./jidctflt.c
    [+]: ./jidctfst.c
    [+]: ./jidctint.c
    [+]: ./jidctred.c
    [+]: ./jmemansi.c
    [+]: ./jmemmgr.c
    [+]: ./jmemname.c
    [+]: ./jmemnobs.c
    [+]: ./jquant1.c
    [+]: ./jquant2.c
    [+]: ./jutils.c
    [+]: ./rdbmp.c
    [+]: ./rdcolmap.c
    [+]: ./rdgif.c
    [+]: ./rdppm.c
    [+]: ./rdrle.c
    [+]: ./rdswitch.c
    [+]: ./rdtarga.c
    [+]: ./transupp.c
    [+]: ./wrbmp.c
    [+]: ./wrgif.c
    [+]: ./wrppm.c
    [+]: ./wrrle.c
    [+]: ./wrtarga.c
target(ansi2knr): binary
    [+]: ./ansi2knr.c
target(cjpeg): binary
    [+]: ./cjpeg.c
target(ckconfig): binary
    [+]: ./ckconfig.c
target(djpeg): binary
    [+]: ./djpeg.c
target(jpegtran): binary
    [+]: ./jpegtran.c
target(rdjpgcom): binary
    [+]: ./rdjpgcom.c
target(wrjpgcom): binary
    [+]: ./wrjpgcom.c
xmake.lua generated, scan ok!👌
checking for the architecture ... x86_64
checking for the Xcode SDK version for macosx ... 10.12
checking for the target minimal version ... 10.12
checking for the c compiler (cc) ... xcrun -sdk macosx clang
checking for the c++ compiler (cxx) ... xcrun -sdk macosx clang
checking for the objc compiler (mm) ... xcrun -sdk macosx clang
checking for the objc++ compiler (mxx) ... xcrun -sdk macosx clang++
checking for the swift compiler (sc) ... xcrun -sdk macosx swiftc
checking for the assember (as) ... xcrun -sdk macosx clang
checking for the linker (ld) ... xcrun -sdk macosx clang++
checking for the static library archiver (ar) ... xcrun -sdk macosx ar
checking for the static library extractor (ex) ... xcrun -sdk macosx ar
checking for the shared library linker (sh) ... xcrun -sdk macosx clang++
checking for the debugger (dd) ... xcrun -sdk macosx lldb
checking for the golang compiler (go) ... go
configure
{
    ex = "xcrun -sdk macosx ar"
,   sh = "xcrun -sdk macosx clang++"
,   host = "macosx"
,   ar = "xcrun -sdk macosx ar"
,   buildir = "build"
,   as = "xcrun -sdk macosx clang"
,   plat = "macosx"
,   xcode_dir = "/Applications/Xcode.app"
,   arch = "x86_64"
,   mxx = "xcrun -sdk macosx clang++"
,   go = "go"
,   target_minver = "10.12"
,   ccache = "ccache"
,   mode = "release"
,   clean = true
,   cxx = "xcrun -sdk macosx clang"
,   cc = "xcrun -sdk macosx clang"
,   dd = "xcrun -sdk macosx lldb"
,   kind = "static"
,   ld = "xcrun -sdk macosx clang++"
,   xcode_sdkver = "10.12"
,   sc = "xcrun -sdk macosx swiftc"
,   mm = "xcrun -sdk macosx clang"
}
configure ok!
clean ok!
[00%]: cache compiling.release ./cdjpeg.c
[00%]: cache compiling.release ./example.c
[00%]: cache compiling.release ./jcapimin.c
[00%]: cache compiling.release ./jcapistd.c
[00%]: cache compiling.release ./jccoefct.c
[00%]: cache compiling.release ./jccolor.c
[01%]: cache compiling.release ./jcdctmgr.c
[01%]: cache compiling.release ./jchuff.c
[01%]: cache compiling.release ./jcinit.c
[01%]: cache compiling.release ./jcmainct.c
[01%]: cache compiling.release ./jcmarker.c
[02%]: cache compiling.release ./jcmaster.c
[02%]: cache compiling.release ./jcomapi.c
[02%]: cache compiling.release ./jcparam.c
[02%]: cache compiling.release ./jcphuff.c
[02%]: cache compiling.release ./jcprepct.c
[03%]: cache compiling.release ./jcsample.c
[03%]: cache compiling.release ./jctrans.c
[03%]: cache compiling.release ./jdapimin.c
[03%]: cache compiling.release ./jdapistd.c
[03%]: cache compiling.release ./jdatadst.c
[04%]: cache compiling.release ./jdatasrc.c
[04%]: cache compiling.release ./jdcoefct.c
[04%]: cache compiling.release ./jdcolor.c
[04%]: cache compiling.release ./jddctmgr.c
[04%]: cache compiling.release ./jdhuff.c
[05%]: cache compiling.release ./jdinput.c
[05%]: cache compiling.release ./jdmainct.c
[05%]: cache compiling.release ./jdmarker.c
[05%]: cache compiling.release ./jdmaster.c
[05%]: cache compiling.release ./jdmerge.c
[06%]: cache compiling.release ./jdphuff.c
[06%]: cache compiling.release ./jdpostct.c
[06%]: cache compiling.release ./jdsample.c
[06%]: cache compiling.release ./jdtrans.c
[06%]: cache compiling.release ./jerror.c
[07%]: cache compiling.release ./jfdctflt.c
[07%]: cache compiling.release ./jfdctfst.c
[07%]: cache compiling.release ./jfdctint.c
[07%]: cache compiling.release ./jidctflt.c
[07%]: cache compiling.release ./jidctfst.c
[08%]: cache compiling.release ./jidctint.c
[08%]: cache compiling.release ./jidctred.c
[08%]: cache compiling.release ./jmemansi.c
[08%]: cache compiling.release ./jmemmgr.c
[08%]: cache compiling.release ./jmemname.c
[09%]: cache compiling.release ./jmemnobs.c
[09%]: cache compiling.release ./jquant1.c
[09%]: cache compiling.release ./jquant2.c
[09%]: cache compiling.release ./jutils.c
[09%]: cache compiling.release ./rdbmp.c
[10%]: cache compiling.release ./rdcolmap.c
[10%]: cache compiling.release ./rdgif.c
[10%]: cache compiling.release ./rdppm.c
[10%]: cache compiling.release ./rdrle.c
[10%]: cache compiling.release ./rdswitch.c
[11%]: cache compiling.release ./rdtarga.c
[11%]: cache compiling.release ./transupp.c
[11%]: cache compiling.release ./wrbmp.c
[11%]: cache compiling.release ./wrgif.c
[11%]: cache compiling.release ./wrppm.c
[12%]: cache compiling.release ./wrrle.c
[12%]: cache compiling.release ./wrtarga.c
[12%]: archiving.release libjpeg-6b.a
[12%]: cache compiling.release ./wrjpgcom.c
[25%]: linking.release wrjpgcom
[25%]: cache compiling.release ./ansi2knr.c
[37%]: linking.release ansi2knr
[37%]: cache compiling.release ./jpegtran.c
[50%]: linking.release jpegtran
[50%]: cache compiling.release ./djpeg.c
[62%]: linking.release djpeg
[62%]: cache compiling.release ./ckconfig.c
[75%]: linking.release ckconfig
[75%]: cache compiling.release ./rdjpgcom.c
[87%]: linking.release rdjpgcom
[87%]: cache compiling.release ./cjpeg.c
[100%]: linking.release cjpeg
build ok!👌
</code></pre><p>In addition to a static library, we also compiled some other executable programs.</p>
<pre><code>target(ansi2knr): binary
    [+]: ./ansi2knr.c
target(cjpeg): binary
    [+]: ./cjpeg.c
target(ckconfig): binary
    [+]: ./ckconfig.c
target(djpeg): binary
    [+]: ./djpeg.c
target(jpegtran): binary
    [+]: ./jpegtran.c
target(rdjpgcom): binary
    [+]: ./rdjpgcom.c
target(wrjpgcom): binary
    [+]: ./wrjpgcom.c
</code></pre><p>Neat!</p>
<h3 id="manualconfiguration">Manual configuration</h3>
<p>If we want to add some manual configuration options. we need add them before compiling. For example:</p>
<pre><code class="lang-bash"># Specify our options
$ xmake f --cxflags="--cxx-flag" --ldflags="--link-flag" --includedirs="include/" --linkdirs="lib/"

# Build!
$ xmake
</code></pre>
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