diff -urN upp-x11-src-2361/uppsrc/Core/Cpu.cpp upp-x11-src-2361-dwokfur/uppsrc/Core/Cpu.cpp
--- upp-x11-src-2361/uppsrc/Core/Cpu.cpp	2010-05-04 03:32:13.000000000 +0200
+++ upp-x11-src-2361-dwokfur/uppsrc/Core/Cpu.cpp	2010-07-05 23:13:37.000000000 +0200
@@ -37,8 +37,22 @@
 #else
 	dword info1;
 	dword info2;
+	/* call the cpuid instruction with the registers as input and output
+	 * modification by Dwokfur based on Sam Hocevar's discussion on
+	 * how to make Assemly code PIC compatible:
+	 * http://sam.zoy.org/blog/2007-04-13-shlib-with-non-pic-code-have-inline-assembly-and-pic-mix-well
+	 */
+#ifdef __PIC__
+	__asm__("pushl %%ebx	\n\t" /* save %ebx */
+		"movl $1, %%eax	\n\t"
+		"cpuid		\n\t"
+		"popl %%ebx	\n\t" /* restore the old %ebx */
+		: "=d" (info1), "=c" (info2)
+		: : "%eax");
+#else
 	__asm__("movl $1, %%eax\n\tcpuid" : "=d" (info1), "=c" (info2) : : "%eax", "%ebx");
 #endif
+#endif
 	sHasMMX = ((info1 >> 23) & 0x1);
 	sHasSSE = ((info1 >> 25) & 0x1);
 	sHasSSE2 = ((info1 >> 26) & 0x1);