<div dir="ltr">I guess many success this per day, since `brew install ffmpeg` will build it with native toolchains. <div>I tested it too just now. If your configuration not working, check brew formula <a href="https://github.com/Homebrew/homebrew-core/blob/master/Formula/ffmpeg.rb">https://github.com/Homebrew/homebrew-core/blob/master/Formula/ffmpeg.rb</a></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Oct 26, 2017 at 6:00 PM, He Lei <span dir="ltr"><<a href="mailto:helei0908@hotmail.com" target="_blank">helei0908@hotmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">



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This is my cmd and ‘ffbuild/config.log’ before modify ‘configure' file: <br>
<div>
<div> I tryied to modified configure file, removed "add_ldflags -sysroot" and add “-syslibroot”, there are other problems.<br>
<div>so, Has anyone been successful?</div>
</div>
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<span style="font-variant-ligatures:no-common-ligatures;color:#afad24">  1
</span><span style="font-variant-ligatures:no-common-ligatures;color:#34bbc8"><b>mDEVELOPER</b></span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">=</span><span style="font-variant-ligatures:no-common-ligatures">`xcode-select
 -print-path`</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(244,244,244);background-color:rgb(0,0,0)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24">  2
</span><span style="font-variant-ligatures:no-common-ligatures;color:#34bbc8"><b>mARCH</b></span><span style="font-variant-ligatures:no-common-ligatures">=armv7s</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(52,187,200);background-color:rgb(0,0,0)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24">  3
</span><span style="font-variant-ligatures:no-common-ligatures"><b>mTARGETOS</b></span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">=darwin</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(205,121,35);background-color:rgb(0,0,0)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24">  4
</span><span style="font-variant-ligatures:no-common-ligatures;color:#34bbc8"><b>mCC</b></span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">=</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">"</span><span style="font-variant-ligatures:no-common-ligatures;color:#d53bd3">${mDEVELOPER}</span><span style="font-variant-ligatures:no-common-ligatures">/Toolchains/<wbr>XcodeDefault.xctoolchain/usr/<wbr>bin/cc</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">"</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(205,121,35);background-color:rgb(0,0,0)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24">  5
</span><span style="font-variant-ligatures:no-common-ligatures;color:#34bbc8"><b>mLD</b></span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">=</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">"</span><span style="font-variant-ligatures:no-common-ligatures;color:#d53bd3">${mDEVELOPER}</span><span style="font-variant-ligatures:no-common-ligatures">/Toolchains/<wbr>XcodeDefault.xctoolchain/usr/<wbr>bin/ld</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">"</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(205,121,35);background-color:rgb(0,0,0)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24">  6
</span><span style="font-variant-ligatures:no-common-ligatures;color:#34bbc8"><b>mSYSROOT</b></span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">=</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">"</span><span style="font-variant-ligatures:no-common-ligatures;color:#d53bd3">${mDEVELOPER}</span><span style="font-variant-ligatures:no-common-ligatures">/<wbr>Platforms/iPhoneOS.platform/<wbr>Developer/SDKs/iPhoneOS.sdk</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">"</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(205,121,35);background-color:rgb(0,0,0)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24">  7
</span><span style="font-variant-ligatures:no-common-ligatures;color:#34bbc8"><b>mSYSINC</b></span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">=</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">"</span><span style="font-variant-ligatures:no-common-ligatures">-I</span><span style="font-variant-ligatures:no-common-ligatures;color:#d53bd3">${mSYSROOT}</span><span style="font-variant-ligatures:no-common-ligatures">/usr/<wbr>include</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">"</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(213,59,211);background-color:rgb(0,0,0)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24">  8
</span><span style="font-variant-ligatures:no-common-ligatures;color:#34bbc8"><b>mSYSLIB</b></span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">=</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">"</span><span style="font-variant-ligatures:no-common-ligatures;color:#cd7923">-L</span><span style="font-variant-ligatures:no-common-ligatures">${mSYSROOT}</span><span style="font-variant-ligatures:no-common-ligatures;color:#cd7923">/usr/lib</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24"><wbr>"</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(213,59,211);background-color:rgb(0,0,0)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24">  9
</span><span style="font-variant-ligatures:no-common-ligatures;color:#34bbc8"><b>mCFLAGS</b></span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">=</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">"</span><span style="font-variant-ligatures:no-common-ligatures;color:#cd7923">
 -v </span><span style="font-variant-ligatures:no-common-ligatures">${mSYSINC}</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">"</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(213,59,211);background-color:rgb(0,0,0)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24"> 10
</span><span style="font-variant-ligatures:no-common-ligatures;color:#34bbc8"><b>mLDFLAGS</b></span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">=</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">"</span><span style="font-variant-ligatures:no-common-ligatures;color:#cd7923">
 -v </span><span style="font-variant-ligatures:no-common-ligatures">${mSYSLIB}</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">"</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(244,244,244);background-color:rgb(0,0,0)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24"> 11
</span><span style="font-variant-ligatures:no-common-ligatures">./configure
</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">\</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(213,59,211);background-color:rgb(0,0,0)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24"> 12
</span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">       
</span><span style="font-variant-ligatures:no-common-ligatures">--disable-asm</span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">
</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">\</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(213,59,211);background-color:rgb(0,0,0)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24"> 13
</span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">       
</span><span style="font-variant-ligatures:no-common-ligatures">--enable-neon</span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">
</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">\</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(213,59,211);background-color:rgb(0,0,0)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24"> 14
</span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">       
</span><span style="font-variant-ligatures:no-common-ligatures">--disable-shared</span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">
</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">\</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(213,59,211);background-color:rgb(0,0,0)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24"> 15
</span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">       
</span><span style="font-variant-ligatures:no-common-ligatures">--enable-static</span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">
</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">\</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(213,59,211);background-color:rgb(0,0,0)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24"> 16
</span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">       
</span><span style="font-variant-ligatures:no-common-ligatures">--enable-cross-compile</span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">
</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">\</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(213,59,211);background-color:rgb(0,0,0)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24"> 17
</span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">       
</span><span style="font-variant-ligatures:no-common-ligatures">--target-os=${mTARGETOS}</span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">
</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">\</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(213,59,211);background-color:rgb(0,0,0)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24"> 18
</span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">       
</span><span style="font-variant-ligatures:no-common-ligatures">--arch=${mARCH}</span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">
</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">\</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(213,59,211);background-color:rgb(0,0,0)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24"> 19
</span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">       
</span><span style="font-variant-ligatures:no-common-ligatures">--sysroot=${mSYSROOT}</span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">
</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">\</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(213,59,211);background-color:rgb(0,0,0)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24"> 20
</span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">       
</span><span style="font-variant-ligatures:no-common-ligatures">--cc=${mCC}</span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">
</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">\</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(213,59,211);background-color:rgb(0,0,0)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24"> 21
</span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">       
</span><span style="font-variant-ligatures:no-common-ligatures">—-</span><span style="font-variant-ligatures:no-common-ligatures">ld=${mLD}</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(244,244,244)">
</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(175,173,36)">\</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(213,59,211);background-color:rgb(0,0,0)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24"> 22
</span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">       
</span><span style="font-variant-ligatures:no-common-ligatures">--extra-cflags=</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">"</span><span style="font-variant-ligatures:no-common-ligatures">${mCFLAGS}</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">"</span><span style="font-variant-ligatures:no-common-ligatures;color:#f4f4f4">
</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24">\</span></div>
<div style="margin:0px;line-height:normal;background-color:rgb(0,0,0)">
<span style="color:rgb(175,173,36);font-family:Menlo;font-size:16px;font-variant-ligatures:no-common-ligatures"> 23
</span><span style="color:rgb(244,244,244);font-family:Menlo;font-size:16px;font-variant-ligatures:no-common-ligatures">       
</span><span style="color:rgb(213,59,211);font-family:Menlo;font-size:16px;font-variant-ligatures:no-common-ligatures">--extra-ldflags=</span><span style="color:rgb(175,173,36);font-family:Menlo;font-size:16px;font-variant-ligatures:no-common-ligatures">"</span><span style="color:rgb(213,59,211);font-family:Menlo;font-size:16px;font-variant-ligatures:no-common-ligatures">${mLDFLAGS}</span><font color="#afad24" face="Menlo" size="3">”</font></div>
</div>
</div>
<div style="margin:0px;line-height:normal;background-color:rgb(0,0,0)">
<font color="#afad24" face="Menlo" size="3"><br>
</font></div>
<div style="margin:0px;line-height:normal;background-color:rgb(0,0,0)">
<font color="#afad24" face="Menlo" size="3"><br>
</font></div>
<div style="margin:0px;line-height:normal;background-color:rgb(0,0,0)">
<font color="#afad24" face="Menlo" size="3">ffbuild/config.log:</font></div>
<div style="margin:0px;line-height:normal;background-color:rgb(0,0,0)">
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(244,244,244)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24">12983
</span><span style="font-variant-ligatures:no-common-ligatures">/Applications/Xcode.app/<wbr>Contents/Developer/Toolchains/<wbr>XcodeDefault.xctoolchain/usr/<wbr>bin/ld -v -L/Applications/Xcode.app/<wbr>Conte</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24"> 
     </span><span style="font-variant-ligatures:no-common-ligatures">nts/Developer/Platforms/<wbr>iPhoneOS.platform/Developer/<wbr>SDKs/iPhoneOS.sdk/usr/lib --sysroot=/Applications/Xcode.<wbr>app/Contents/Dev</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24"> 
     </span><span style="font-variant-ligatures:no-common-ligatures">eloper/Platforms/iPhoneOS.<wbr>platform/Developer/SDKs/<wbr>iPhoneOS.sdk -isysroot /Applications/Xcode.app/<wbr>Contents/Developer/Platform</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24"> 
     </span><span style="font-variant-ligatures:no-common-ligatures">s/iPhoneOS.platform/Developer/<wbr>SDKs/iPhoneOS.sdk -mcpu= -o /var/folders/n8/<wbr>nxrpvwpx6gnghblc492d_<wbr>61w0000gn/T//ffconf.JMa9ed09/</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24"> 
     </span><span style="font-variant-ligatures:no-common-ligatures">test /var/folders/n8/<wbr>nxrpvwpx6gnghblc492d_<wbr>61w0000gn/T//ffconf.JMa9ed09/<wbr>test.o</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(244,244,244)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24">12984
</span><span style="font-variant-ligatures:no-common-ligatures">@(#)PROGRAM:ld  PROJECT:ld64-302.3</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(244,244,244)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24">12985
</span><span style="font-variant-ligatures:no-common-ligatures">configured to support archs: armv6 armv7 armv7s arm64 i386 x86_64 x86_64h armv6m armv7k armv7m armv7em (tvOS)</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(244,244,244)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24">12986
</span><span style="font-variant-ligatures:no-common-ligatures">Library search paths:</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(244,244,244)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24">12987
</span><span style="font-variant-ligatures:no-common-ligatures;background-color:#a8a8a8">       
</span><span style="font-variant-ligatures:no-common-ligatures">/Applications/Xcode.app/<wbr>Contents/Developer/Platforms/<wbr>iPhoneOS.platform/Developer/<wbr>SDKs/iPhoneOS.sdk/usr/lib</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(244,244,244)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24">12988
</span><span style="font-variant-ligatures:no-common-ligatures;background-color:#a8a8a8">       
</span><span style="font-variant-ligatures:no-common-ligatures">/usr/lib</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(244,244,244)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24">12989
</span><span style="font-variant-ligatures:no-common-ligatures;background-color:#a8a8a8">       
</span><span style="font-variant-ligatures:no-common-ligatures">/usr/local/lib</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(244,244,244)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24">12990
</span><span style="font-variant-ligatures:no-common-ligatures">Framework search paths:</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(244,244,244)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24">12991
</span><span style="font-variant-ligatures:no-common-ligatures;background-color:#a8a8a8">       
</span><span style="font-variant-ligatures:no-common-ligatures">/Library/Frameworks/</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(244,244,244)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24">12992
</span><span style="font-variant-ligatures:no-common-ligatures;background-color:#a8a8a8">       
</span><span style="font-variant-ligatures:no-common-ligatures">/System/Library/Frameworks/</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(244,244,244)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24">12993
</span><span style="font-variant-ligatures:no-common-ligatures">ld: unknown option: --sysroot=/Applications/Xcode.<wbr>app/Contents/Developer/<wbr>Platforms/iPhoneOS.platform/<wbr>Developer/SDKs/iPhoneOS</span><span style="font-variant-ligatures:no-common-ligatures;color:#afad24"> 
     </span><span style="font-variant-ligatures:no-common-ligatures">.sdk</span></div>
<div style="margin:0px;font-size:16px;line-height:normal;font-family:Menlo;color:rgb(244,244,244)">
<span style="font-variant-ligatures:no-common-ligatures;color:#afad24">12994
</span><span style="font-variant-ligatures:no-common-ligatures">C compiler test failed.</span></div>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr">Shu. Wang @ Bestminr<br><a href="http://halfelf.me" target="_blank">http://halfelf.me</a></div></div>
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