diff -up nogravity-2.00/rlx32/src/renderers/opengl/gl_v3x.cpp.gcc6 nogravity-2.00/rlx32/src/renderers/opengl/gl_v3x.cpp
--- nogravity-2.00/rlx32/src/renderers/opengl/gl_v3x.cpp.gcc6	2006-01-07 01:19:54.000000000 +0100
+++ nogravity-2.00/rlx32/src/renderers/opengl/gl_v3x.cpp	2016-02-20 19:31:21.759831815 +0100
@@ -28,6 +28,7 @@ Prepared for public release: 02/24/2004
 #include "v3xdefs.h"
 #include "v3xrend.h"
 #include "sysctrl.h"
+#include <algorithm>
 
 #define PIPE_OPEN 1
 
@@ -514,7 +515,7 @@ static const V3XMATERIAL *pipe_pMat;
 
 #define SET_VTX() glVertex3f( fce->dispTab[i].x, fce->dispTab[i].y, 1.f - (fce->dispTab[i].z * g_fInvZFar));
 
-#define SET_DIFFUSE(i) glColor4ub(min(255, (pipe_pMat->ambient.r>>2) + xMUL8(fce->rgb[i].r, pipe_pMat->diffuse.r)), min(255, (pipe_pMat->ambient.g>>2) + xMUL8(fce->rgb[i].g, pipe_pMat->diffuse.g)), min(255, (pipe_pMat->ambient.b>>2) + xMUL8(fce->rgb[i].b, pipe_pMat->diffuse.b)), fce->rgb[i].a);
+#define SET_DIFFUSE(i) glColor4ub(std::min(255u, (pipe_pMat->ambient.r>>2) + xMUL8(fce->rgb[i].r, pipe_pMat->diffuse.r)), std::min(255u, (pipe_pMat->ambient.g>>2) + xMUL8(fce->rgb[i].g, pipe_pMat->diffuse.g)), std::min(255u, (pipe_pMat->ambient.b>>2) + xMUL8(fce->rgb[i].b, pipe_pMat->diffuse.b)), fce->rgb[i].a);
 
 #define SET_CONSTANT() glColor4ub(pipe_pMat->diffuse.r, pipe_pMat->diffuse.b, pipe_pMat->diffuse.g, pipe_pMat->alpha);