@@ -, +, @@ 
  $ /var/tmp/portage/cross-avr/gcc-4.9.3/work/gcc-4.9.3/libsanitizer/configure --cache-file=./config.cache --with-cross-host=x86_64-pc-linux-gnu --prefix=/usr --bindir=/usr/x86_64-pc-linux-gnu/avr/gcc-bin/4.9.3 --includedir=/usr/lib/gcc/avr/4.9.3/include --datadir=/usr/share/gcc-data/avr/4.9.3 --mandir=/usr/share/gcc-data/avr/4.9.3/man --infodir=/usr/share/gcc-data/avr/4.9.3/info --with-gxx-include-dir=/usr/lib/gcc/avr/4.9.3/include/g++-v4 --with-python-dir=/share/gcc-data/avr/4.9.3/python --enable-obsolete --enable-secureplt --disable-werror --with-system-zlib --enable-nls --without-included-gettext --enable-checking=release --with-bugurl=https://bugs.gentoo.org/ --with-pkgversion=Gentoo 4.9.3 p1.0, pie-0.6.2 --enable-libstdcxx-time --enable-poison-system-directories --enable-shared --disable-threads --disable-bootstrap --enable-multilib --disable-altivec --disable-fixed-point --disable-libgcj --disable-libgomp --disable-libmudflap --disable-libssp --disable-libcilkrts --disable-libquadmath --enable-lto --enable-libsanitizer --enable-languages=c,c++,lto --program-transform-name=s&^&avr-& --disable-option-checking --with-target-subdir=avr --build=x86_64-pc-linux-gnu --host=avr --target=avr --srcdir=/var/tmp/portage/cross-avr/gcc-4.9.3/work/gcc-4.9.3/libsanitizer
 #include <sys/types.h>
                       ^
 #include <sys/types.h>
                       ^
 #include <sys/types.h>
                       ^
 #include <ac_nonexistent.h>
                            ^
 #include <ac_nonexistent.h>
                            ^
 #include <sys/types.h>
                       ^
 #include <sys/stat.h>
                      ^
 #include <memory.h>
                    ^
 #include <strings.h>
                     ^
 #include <unistd.h>
                    ^
 #include <minix/config.h>
                          ^
 #include <minix/config.h>
                          ^
         U __do_clear_bss
 #include <dlfcn.h>
                   ^
 int some_variable = 0;
 ^
 #include <ac_nonexistent.h>
                            ^
 #include <ac_nonexistent.h>
                            ^
 int some_variable = 0;
 ^
 static int test_array [1 - 2 * !(((long int) (sizeof (void *))) <= 0)];
            ^
 static int test_array [1 - 2 * !(((long int) (sizeof (void *))) <= 1)];
            ^
 #include <sys/types.h>
                       ^
 #include <sys/types.h>
                       ^
 #include <sys/types.h>
                       ^
 #include <sys/types.h>
                       ^
 #include <sys/types.h>
                       ^
 #include <sys/types.h>
                       ^
 #include <sys/types.h>
                       ^
 #include <sys/types.h>
                       ^
 #include <sys/types.h>
                       ^
 static int test_array [1 - 2 * !(((long int) (sizeof (long))) <= 0)];
            ^
 static int test_array [1 - 2 * !(((long int) (sizeof (long))) <= 1)];
            ^
 static int test_array [1 - 2 * !(((long int) (sizeof (long))) <= 3)];
            ^
 static int test_array [1 - 2 * !(((long int) (sizeof (int))) <= 0)];
            ^
 static int test_array [1 - 2 * !(((long int) (sizeof (int))) <= 1)];
            ^
 static int test_array [1 - 2 * !(((long int) (sizeof (short))) <= 0)];
            ^
 static int test_array [1 - 2 * !(((long int) (sizeof (short))) <= 1)];
            ^
 static int test_array [1 - 2 * !(((long int) (sizeof (char))) <= 0)];
            ^
 #include <sys/mman.h>
                      ^
 #include <sys/mman.h>
                      ^
 #include <link.h>
                  ^
 #include <link.h>
                  ^
  CONFIG_FILES    = 
  CONFIG_HEADERS  = 
  CONFIG_LINKS    = 
  CONFIG_COMMANDS = 
  $ ./config.status