infected ~ # emerge cuda-multiforcer

 * IMPORTANT: 1 news items need reading for repository 'gentoo'.
 * Use eselect news to read news items.

Calculating dependencies... done!

>>> Verifying ebuild manifests

>>> Emerging (1 of 1) app-crypt/cuda-multiforcer-0.7 from unknown repo
 * CUDA-Multiforcer-src-0.7.tar.bz2 RMD160 SHA1 SHA256 size ;-) ...                                                                  [ ok ]
 * checking ebuild checksums ;-) ...                                                                                                 [ ok ]
 * checking auxfile checksums ;-) ...                                                                                                [ ok ]
 * checking miscfile checksums ;-) ...                                                                                               [ ok ]
>>> Unpacking source...
>>> Unpacking CUDA-Multiforcer-src-0.7.tar.bz2 to /var/tmp/portage/app-crypt/cuda-multiforcer-0.7/work
>>> Source unpacked in /var/tmp/portage/app-crypt/cuda-multiforcer-0.7/work
>>> Compiling source in /var/tmp/portage/app-crypt/cuda-multiforcer-0.7/work/CUDA-Multiforcer-Release ...
 * Applying multiforcer-0.7-path.patch ...                                                                                            [ ok ]
make -j4
/usr/include/bits/stdio2.h(35): error: identifier "__builtin_va_arg_pack" is undefined

/usr/include/bits/stdio2.h(66): error: identifier "__builtin_va_arg_pack" is undefined

/usr/include/bits/stdio2.h(99): error: identifier "__builtin_va_arg_pack" is undefined

/usr/include/bits/stdio2.h(105): error: identifier "__builtin_va_arg_pack" is undefined

/usr/include/bits/stdio2.h(159): error: identifier "__builtin_va_arg_pack" is undefined

/usr/include/bits/stdio2.h(167): error: identifier "__builtin_va_arg_pack" is undefined

/usr/include/bits/stdio2.h(174): error: identifier "__builtin_va_arg_pack" is undefined

/usr/include/bits/stdio2.h(182): error: identifier "__builtin_va_arg_pack" is undefined

HashCommon.cu(807): warning: expected a statement

HashCommon.cu(937): warning: expected a statement

HashCommon.cu(1028): warning: expected a statement

Multiforcer-common.c(120): warning: variable "foo" was declared but never referenced

Multiforcer.cu(673): warning: variable "j" was declared but never referenced

Multiforcer.cu(674): warning: variable "HOST_SearchHashes" was declared but never referenced

8 errors detected in the compilation of "/tmp/tmpxft_00001895_00000000-4_Multiforcer.cpp1.ii".
make: *** [obj/release/Multiforcer.cu.o] Error 255
 *
 * ERROR: app-crypt/cuda-multiforcer-0.7 failed.
 * Call stack:
 *               ebuild.sh, line   48:  Called src_compile
 *             environment, line 2232:  Called die
 * The specific snippet of code:
 *       emake || die "emake failed"
 *  The die message:
 *   emake failed
 *
 * If you need support, post the topmost build error, and the call stack if relevant.
 * A complete build log is located at '/var/tmp/portage/app-crypt/cuda-multiforcer-0.7/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/app-crypt/cuda-multiforcer-0.7/temp/environment'.
 * This ebuild is from an overlay: '/usr/local/portage/pentoo/'
 *

>>> Failed to emerge app-crypt/cuda-multiforcer-0.7, Log file:

>>>  '/var/tmp/portage/app-crypt/cuda-multiforcer-0.7/temp/build.log'

 * Messages for package app-crypt/cuda-multiforcer-0.7:

 *
 * ERROR: app-crypt/cuda-multiforcer-0.7 failed.
 * Call stack:
 *               ebuild.sh, line   48:  Called src_compile
 *             environment, line 2232:  Called die
 * The specific snippet of code:
 *       emake || die "emake failed"
 *  The die message:
 *   emake failed
 *
 * If you need support, post the topmost build error, and the call stack if relevant.
 * A complete build log is located at '/var/tmp/portage/app-crypt/cuda-multiforcer-0.7/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/app-crypt/cuda-multiforcer-0.7/temp/environment'.
 * This ebuild is from an overlay: '/usr/local/portage/pentoo/'
 *

 * IMPORTANT: 1 news items need reading for repository 'gentoo'.
 * Use eselect news to read news items.