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<p class="MsoPlainText"><span lang="EN-US">Hi all, I want to make a simple emample to show swift can call c library.
<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">So ,I make a simple example,like this:<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">$ cat a.c<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">int add(int a,int b){<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"> return a + b;<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">}<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">And I make a lib,<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">$ gcc -o a.o -c a.c<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">$ ar rcs libmylib.a a.o<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">And I put libmylib.a in the same director with the main.swift
<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">$ cat main.swift<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">import mylib<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">var b = add(10,20)<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">print(b)<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">when I compile : <o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">$ swiftc main.swift<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">main.swift:1:8: error: no such module 'mylib'<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">import mylib<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"> ^<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">I am just confused with this. Can you explain that with you pressure time. And what should I do? Thank you a lot ~<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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