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<p class="MsoNormal"><span style="color:#1F497D">A little further investigation, it looks like the correct solution is to replace the call to roundf() with IROUND() which is defined in src\mesa\main\imports.h<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> mesa-dev-bounces@lists.freedesktop.org [mailto:mesa-dev-bounces@lists.freedesktop.org]
<b>On Behalf Of </b>Dorrington, Albert<br>
<b>Sent:</b> Tuesday, January 14, 2014 1:43 PM<br>
<b>To:</b> mesa-dev@lists.freedesktop.org<br>
<b>Subject:</b> EXTERNAL: [Mesa-dev] Error Building Mesa 10.0.1 on Windows<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’m attempting to build Mesa 10.0.1 on Windows (Win7, 64-bit) using the scons interface.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Currently getting the following error:<o:p></o:p></p>
<p class="MsoNormal">link /nologo /fixed:no /incremental:no /dll /out:build\windows-x86-debug\gallium\targets\libgl-gdi\opengl32.dll build\windows-x86-debug\gallium\state_<o:p></o:p></p>
<p class="MsoNormal">trackers\wgl\wgl.lib build\windows-x86-debug\gallium\winsys\sw\gdi\ws_gdi.lib build\windows-x86-debug\mapi\glapi\glapi.lib build\windows-x86-debug\mes<o:p></o:p></p>
<p class="MsoNormal">a\mesa.lib build\windows-x86-debug\gallium\drivers\softpipe\softpipe.lib build\windows-x86-debug\gallium\drivers\trace\trace.lib build\windows-x86-deb<o:p></o:p></p>
<p class="MsoNormal">ug\gallium\drivers\rbug\rbug.lib build\windows-x86-debug\gallium\auxiliary\gallium.lib build\windows-x86-debug\glsl\glsl.lib gdi32.lib user32.lib kern<o:p></o:p></p>
<p class="MsoNormal">el32.lib ws2_32.lib /PDB:build\windows-x86-debug\gallium\targets\libgl-gdi\opengl32.pdb /DEBUG build\windows-x86-debug\gallium\targets\libgl-gdi\libgl<o:p></o:p></p>
<p class="MsoNormal">_gdi.obj /def:src\gallium\state_trackers\wgl\opengl32.def<o:p></o:p></p>
<p class="MsoNormal"> Creating library build\windows-x86-debug\gallium\targets\libgl-gdi\opengl32.lib and object build\windows-x86-debug\gallium\targets\libgl-gdi\opengl<o:p></o:p></p>
<p class="MsoNormal">32.exp<o:p></o:p></p>
<p class="MsoNormal">mesa.lib(texparam.obj) : error LNK2019: unresolved external symbol _roundf referenced in function __mesa_GetTexParameteriv@12<o:p></o:p></p>
<p class="MsoNormal">build\windows-x86-debug\gallium\targets\libgl-gdi\opengl32.dll : fatal error LNK1120: 1 unresolved externals<o:p></o:p></p>
<p class="MsoNormal">scons: *** [build\windows-x86-debug\gallium\targets\libgl-gdi\opengl32.dll] Error 1120<o:p></o:p></p>
<p class="MsoNormal">scons: building terminated because of errors.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">It seems that on Windows, there is no roundf() defined in the math libraries.<o:p></o:p></p>
<p class="MsoNormal">I see that there is a roundf() defined in src\gallium\auxiliary\util\u_math.h, but I don’t see any equivalent utility library in the src\mesa section of code.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">If I include the following code at the top of src\mesa\main\texparam.c, the code compiles on Windows, but I don’t think this is necessarily the right solution.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">static INLINE float<o:p></o:p></p>
<p class="MsoNormal">roundf(float x)<o:p></o:p></p>
<p class="MsoNormal">{<o:p></o:p></p>
<p class="MsoNormal"> return x > 0.0f ? floorf( x + 0.5f ) : ceilf( x – 0.5f );<o:p></o:p></p>
<p class="MsoNormal">}<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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