*
 * ERROR: x11-drivers/nvidia-drivers-1.0.9639-r90 failed.
 * Call stack:
 *   ebuild.sh, line 1648:   Called dyn_compile
 *   ebuild.sh, line 988:   Called qa_call 'src_compile'
 *   ebuild.sh, line 44:   Called src_compile
 *   nvidia-drivers-1.0.9639-r90.ebuild, line 181:   Called linux-mod_src_compile
 *   linux-mod.eclass, line 519:   Called die
 *
 * Unable to make  IGNORE_CC_MISMATCH=yes V=1 SYSSRC=/usr/src/linux SYSOUT=/lib/modules/2.6.23-sabayon-r1/build clean module.
 * If you need support, post the topmost build error, and the call stack if relevant.