https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109250
Bug ID: 109250
Summary: Invalid configuration `loongarch64-linux-gnu': machine
`loongarch64-unknown' not recognized
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: laf163 at hotmail dot com
Target Milestone: ---
I am trying to compile GCC v12.2.0 on the Kylin Desktop Operating System V10
(SP1), with a loongson-3A5000 CPU. The current GCC version is v8.3, but I am
encountering errors during the compilation process. Can you please help me take
a look?
Kernel: linux 5.4.18-28.23-bj-generic
$lscpu
Architecture: loongarch64
Byte Order: Little Endian
CPU(s): 4
On-line CPU(s) list: 0-3
Thread(s) per core: 1
Core(s) per socket: 4
Socket(s): 1
NUMA node(s): 1
CPU family: Loongson-64bit
Model name: Loongson-3A5000
BogoMIPS: 5000.00
L1d cache: 256 KiB
L1i cache: 256 KiB
L2 cache: 1 MiB
L3 cache: 16 MiB
NUMA node0 CPU(s): 0-3
Flags: cpucfg lam ual fpu lsx lasx complex crypto lvz
$gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/loongarch64-linux-gnu/8/lto-wrapper
Target: loongarch64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Loongnix
8.3.0-6.lnd.vec.24' --with-bugurl=file:///usr/share/doc/gcc-8/README.Bugs
--enable-languages=c,c++,fortran --prefix=/usr --with-gcc-major-version-only
--program-suffix=-8 --program-prefix=loongarch64-linux-gnu- --enable-shared
--enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext
--enable-threads=posix --libdir=/usr/lib --enable-nls --enable-clocale=gnu
--enable-libstdcxx-debug --enable-libstdcxx-time=yes
--with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-libitm
--disable-libsanitizer --disable-libquadmath --disable-libquadmath-support
--enable-plugin --with-system-zlib --enable-multiarch --disable-werror
--with-arch=loongarch64 --with-abi=lp64 --enable-tls --enable-initfini-array
--enable-gnu-indirect-function --disable-host-shared --disable-emultls
--with-fix-loongson3-llsc --enable-checking=release
--build=loongarch64-linux-gnu --host=loongarch64-linux-gnu
--target=loongarch64-linux-gnu
Thread model: posix
gcc version 8.3.0 (Loongnix 8.3.0-6.lnd.vec.24)
$./configure --enable-languages=c,c++ --prefix=/opt/gcc-12.2.0
--program-suffix=-8 --program-prefix=loongarch64-linux-gnu- --enable-shared
--enable-linker-build-id --without-included-gettext --enable-threads=posix
--enable-nls --enable-clocale=gnu --enable-libstdcxx-debug
--enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new
--enable-gnu-unique-object --disable-libitm --disable-libsanitizer
--disable-libquadmath --disable-libquadmath-support --enable-plugin
--with-system-zlib --enable-multiarch --disable-werror --with-arch=loongarch64
--with-abi=lp64 --enable-tls --enable-initfini-array
--enable-gnu-indirect-function --disable-host-shared --disable-emultls
--with-fix-loongson3-llsc --enable-checking=release
--build=loongarch64-linux-gnu --host=loongarch64-linux-gnu
--target=loongarch64-linux-gnu
$make
......
Configuring stage 1 in host-loongarch64-linux-gnu/gmp
configure: loading cache ./config.cache
checking build system type... Invalid configuration `loongarch64-linux-gnu':
machine `loongarch64-unknown' not recognized
configure: error: /bin/bash ../.././gmp/config.sub loongarch64-linux-gnu failed
......
