[Bug bootstrap/87141] New: configure:14586: error: Could not determine word size.

[mfe at live dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87141

            Bug ID: 87141
           Summary: configure:14586: error: Could not determine word size.
           Product: gcc
           Version: 8.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: mfe at live dot de
  Target Milestone: ---

Created attachment 44625
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44625&action=edit
config

he exact version of GCC:
gcc-8.2.0

the system type:
NetgearReadyNAS Duo
(http://wiki.dietpc.org/index.php/DIET-PC_on_SPARC_ReadyNAS)

the options given when GCC was configured/built:
../gcc-8.2.0/configure --prefix=/opt/gcc-8.2/ --enable-languages=c,c++,go
--with-mpc=/usr/local --with-mpfr=/usr/local --with-gmp=/usr/local
--with-isl=/usr/local/ --disable-doc --host=sparc-linux --build=sparc-linux
--disable-libstdcxx-pch --disable-linux-futex --disable-libsanitizer
--disable-libcilkrts --disable-libitm --disable-libitm CC=/opt/gcc-7.3/bin/gcc
CXX=/opt/gcc-7.3/bin/g++ && /usr/local/bin/make


## --------- ##
## Platform. ##
## --------- ##

hostname = nas-02-90-38
uname -m = padre
uname -r = 2.6.17.14ReadyNAS
uname -s = Linux
uname -v = #1 Wed Jun 20 20:08:20 PDT 2012

the complete command line that triggers the bug (stage3);
/usr/local/bin/make

the compiler output (error messages, warnings, etc.);
[...]
checking if /media/gcc-8.2.0-compiled/./gcc/xgcc
-B/media/gcc-8.2.0-compiled/./gcc/ -B/opt/gcc-8.2/sparc-linux/bin/
-B/opt/gcc-8.2/sparc-linux/lib/ -isystem /opt/gcc-8.2/sparc-linux/include
-isystem /opt/gcc-8.2/sparc-linux/sys-include    supports -c -o file.o...
(cached) yes
checking whether the /media/gcc-8.2.0-compiled/./gcc/xgcc
-B/media/gcc-8.2.0-compiled/./gcc/ -B/opt/gcc-8.2/sparc-linux/bin/
-B/opt/gcc-8.2/sparc-linux/lib/ -isystem /opt/gcc-8.2/sparc-linux/include
-isystem /opt/gcc-8.2/sparc-linux/sys-include    linker
(/media/gcc-8.2.0-compiled/./gcc/collect-ld) supports shared libraries... yes
checking whether -lc should be explicitly linked in... no
checking dynamic linker characteristics... GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... yes
checking whether to enable maintainer-specific portions of Makefiles... no
checking for thread model used by GCC... posix
checking for ANSI C header files... (cached) yes
checking whether string.h and strings.h may both be included... yes
looking for a compliant stdint.h in stdint.h, checking for uintmax_t... yes
checking for uintptr_t... yes
checking for int_least32_t... yes
checking for int_fast32_t... yes
checking for uint64_t... yes
checking what to include in gstdint.h... stdint.h (already complete)
checking fenv.h usability... yes
checking fenv.h presence... yes
checking for fenv.h... yes
checking for 1 byte integer... yes
checking for 2 byte integer... yes
checking for 4 byte integer... yes
checking for 8 byte integer... yes
checking for 16 byte integer... no
checking for __atomic_load/store for size 1... yes
checking for __atomic_load/store for size 2... yes
checking for __atomic_load/store for size 4... yes
checking for __atomic_load/store for size 8... yes
checking for __atomic_load/store for size 16... no
checking for __atomic_test_and_set for size 1... yes
checking for __atomic_test_and_set for size 2... yes
checking for __atomic_test_and_set for size 4... yes
checking for __atomic_test_and_set for size 8... yes
checking for __atomic_test_and_set for size 16... no
checking for __atomic_exchange for size 1... yes
checking for __atomic_exchange for size 2... yes
checking for __atomic_exchange for size 4... yes
checking for __atomic_exchange for size 8... no
checking for __atomic_exchange for size 16... no
checking for __atomic_compare_exchange for size 1... yes
checking for __atomic_compare_exchange for size 2... yes
checking for __atomic_compare_exchange for size 4... yes
checking for __atomic_compare_exchange for size 8... no
checking for __atomic_compare_exchange for size 16... no
checking for __atomic_fetch_add for size 1... yes
checking for __atomic_fetch_add for size 2... yes
checking for __atomic_fetch_add for size 4... yes
checking for __atomic_fetch_add for size 8... no
checking for __atomic_fetch_add for size 16... no
checking for __atomic_fetch_op for size 1... yes
checking for __atomic_fetch_op for size 2... yes
checking for __atomic_fetch_op for size 4... yes
checking for __atomic_fetch_op for size 8... no
checking for __atomic_fetch_op for size 16... no
checking whether byte ordering is bigendian... yes
checking for the word size... configure: error: Could not determine word size.
make[1]: *** [Makefile:22655: configure-target-libatomic] Error 1
make[1]: Leaving directory '/c/media/gcc-8.2.0-compiled'
make: *** [Makefile:943: all] Error 2

Not sure if its related to https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87013