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<p class="MsoNormal"><span lang="EN-US">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I’m currently deploying a Gdal-based application on various Windows-PCs.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">For some of them, there are integration problems, due to dll conflicts. As an example:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">1)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">Here is my app directory structure :<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">MyApp<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> |-- gdal<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> | |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> | |- gdal201.dll<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> | |- <b>libeay32.dll</b><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> | |- <b>ssleay32.dll</b><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> | |- ...<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> |-- myApp.exe<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> |-- othersDll.dll<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">2)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">On some of the PCs I use, libeay32.dll and ssleay32.dll are also present on
<b>C:\Windows\SysWOW64</b> folder, in versions different from mines.<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">3)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">When the app loads gdal201.dll, dependencies are loaded first in
<b>C:\Windows\SysWOW64</b> folder </span><span lang="EN-US" style="font-family:Wingdings">è</span><span lang="EN-US">
<b>C:\Windows\SysWOW64</b> \libeay32.dll and ssleay32.dll are loaded, that causes a crash.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I checked that :<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.75in;text-indent:-.25in;mso-list:l1 level1 lfo4">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">In GdalConfiguration.cs, GdalConfiguration(), my PATH env var is correctly overriden<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.25in;background:white"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:blue;mso-fareast-language:FR">var</span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:black;mso-fareast-language:FR"> gdalPath = </span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:#2B91AF;mso-fareast-language:FR">Path</span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:black;mso-fareast-language:FR">.Combine(executingDirectory, </span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:#A31515;mso-fareast-language:FR">"gdal-2.0.1"</span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:black;mso-fareast-language:FR">);<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.25in;background:white"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:blue;mso-fareast-language:FR">var</span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:black;mso-fareast-language:FR"> nativePath = </span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:#2B91AF;mso-fareast-language:FR">Path</span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:black;mso-fareast-language:FR">.Combine(gdalPath, GetPlatform());<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.25in;background:white"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:black;mso-fareast-language:FR"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:.25in;background:white"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:green;mso-fareast-language:FR">// Prepend native path to environment path, to ensure the</span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:black;mso-fareast-language:FR"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.25in;background:white"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:green;mso-fareast-language:FR">// right libs are being used.</span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:black;mso-fareast-language:FR"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.25in;background:white"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:blue;mso-fareast-language:FR">var</span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:black;mso-fareast-language:FR"> path = </span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:#2B91AF;mso-fareast-language:FR">Environment</span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:black;mso-fareast-language:FR">.GetEnvironmentVariable(</span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:#A31515;mso-fareast-language:FR">"PATH"</span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:black;mso-fareast-language:FR">);<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.25in;background:white"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:black;mso-fareast-language:FR">path = nativePath + </span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:#A31515;mso-fareast-language:FR">";"</span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:black;mso-fareast-language:FR"> + </span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:#2B91AF;mso-fareast-language:FR">Path</span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:black;mso-fareast-language:FR">.Combine(nativePath, </span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:#A31515;mso-fareast-language:FR">"plugins"</span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:black;mso-fareast-language:FR">) + </span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:#A31515;mso-fareast-language:FR">";"</span><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:black;mso-fareast-language:FR"> + path;<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.25in;background:white"><span style="font-size:10.0pt;font-family:Consolas;color:#2B91AF;mso-fareast-language:FR">Environment</span><span style="font-size:10.0pt;font-family:Consolas;color:black;mso-fareast-language:FR">.SetEnvironmentVariable(</span><span style="font-size:10.0pt;font-family:Consolas;color:#A31515;mso-fareast-language:FR">"PATH"</span><span style="font-size:10.0pt;font-family:Consolas;color:black;mso-fareast-language:FR">, path);<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.25in;background:white"><span style="font-size:10.0pt;font-family:Consolas;color:black;mso-fareast-language:FR"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.75in;text-indent:-.25in;mso-list:l1 level1 lfo4">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">Using a file access monitoring tool (ProcessMonitor, from Microsoft), I observe that dll search order is :<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:1.25in;text-indent:-.25in;mso-list:l1 level2 lfo4">
<![if !supportLists]><span lang="EN-US" style="font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">myApp.exe directory<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:1.25in;text-indent:-.25in;mso-list:l1 level2 lfo4">
<![if !supportLists]><span lang="EN-US" style="font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">C:\windows\<b> SysWOW64</b><o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:1.25in;text-indent:-.25in;mso-list:l1 level2 lfo4">
<![if !supportLists]><span lang="EN-US" style="font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">C:\windows\System32<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:1.25in;text-indent:-.25in;mso-list:l1 level2 lfo4">
<![if !supportLists]><span lang="EN-US" style="font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">C:\...\MyApp\gdal-2.0.1<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:1.75in;text-indent:-.25in;mso-list:l1 level3 lfo4">
<![if !supportLists]><span lang="EN-US" style="font-family:Wingdings"><span style="mso-list:Ignore">ð<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">This is not compliant with PATH overriding<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">After browsing internet (including the mailing-list
</span><span lang="EN-US" style="font-family:Wingdings">J</span><span lang="EN-US">), I don’t want to :<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.75in;text-indent:-.25in;mso-list:l1 level1 lfo4">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">Compile gdal statically,<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.75in;text-indent:-.25in;mso-list:l1 level1 lfo4">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">Copy gdal dependencies in myApp.exe root directory,<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.75in;text-indent:-.25in;mso-list:l1 level1 lfo4">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">Comment some lines of my makefile in order to avoid dependencies such as
<b>libeay32.dll or ssleay32.dll.</b><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Have you got ideas about this problem ?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">--<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thank you, Jérome Siot<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">(Excuse me for my awful English, I’m French !)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.75in;background:white"><span lang="EN-US" style="font-size:10.0pt;font-family:Consolas;color:black;mso-fareast-language:FR"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><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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