Hi there,
I need to build some older versions of the compiler on Fedora 37 (which has
12.2.1 installed); at least 11 and 10, possibly also 9.

I tried bootstrapping 11.3.0 and I got this output. Any idea? (config.log
attached)
Thanks a lot
Salvatore
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libtool: compile:  /data/travel/SOFTWARE/GNU/BUILDS/obj-11.3.0/./gcc/xgcc
-shared-libgcc -B/data/travel/SOFTWARE/GNU/BUILDS/obj-11.3.0/./gcc
-nostdinc++
-L/data/travel/SOFTWARE/GNU/BUILDS/obj-11.3.0/x86_64-pc-linux-gnu/libstdc++-v3/src
-L/data/travel/SOFTWARE/GNU/BUILDS/obj-11.3.0/x86_64-pc-linux-gnu/libstdc++-v3/src/.libs
-L/data/travel/SOFTWARE/GNU/BUILDS/obj-11.3.0/x86_64-pc-linux-gnu/libstdc++-v3/libsupc++/.libs
-B/opt/gnu/11.3.0/x86_64-pc-linux-gnu/bin/
-B/opt/gnu/11.3.0/x86_64-pc-linux-gnu/lib/ -isystem
/opt/gnu/11.3.0/x86_64-pc-linux-gnu/include -isystem
/opt/gnu/11.3.0/x86_64-pc-linux-gnu/sys-include -fchecking=1 -D_GNU_SOURCE
-D_DEBUG -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS
-D__STDC_LIMIT_MACROS -DHAVE_RPC_XDR_H=0 -DHAVE_TIRPC_RPC_XDR_H=0 -I.
-I../../../../gcc-11.3.0/libsanitizer/sanitizer_common -I.. -I
../../../../gcc-11.3.0/libsanitizer/include -I
../../../../gcc-11.3.0/libsanitizer -isystem
../../../../gcc-11.3.0/libsanitizer/include/system -Wall -W
-Wno-unused-parameter -Wwrite-strings -pedantic -Wno-long-long -fPIC
-fno-builtin -fno-exceptions -fno-rtti -fomit-frame-pointer -funwind-tables
-fvisibility=hidden -Wno-variadic-macros -I../../libstdc++-v3/include
-I../../libstdc++-v3/include/x86_64-pc-linux-gnu
-I../../../../gcc-11.3.0/libsanitizer/../libstdc++-v3/libsupc++
-std=gnu++14 -fcf-protection -mshstk -DSANITIZER_LIBBACKTRACE
-DSANITIZER_CP_DEMANGLE -I
../../../../gcc-11.3.0/libsanitizer/../libbacktrace -I ../libbacktrace -I
../../../../gcc-11.3.0/libsanitizer/../include -include
../../../../gcc-11.3.0/libsanitizer/libbacktrace/backtrace-rename.h -g -O2
-D_GNU_SOURCE -MT sanitizer_platform_limits_posix.lo -MD -MP -MF
.deps/sanitizer_platform_limits_posix.Tpo -c
../../../../gcc-11.3.0/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cpp
 -fPIC -DPIC -o .libs/sanitizer_platform_limits_posix.o
In file included from /usr/include/linux/fs.h:19,
                 from
../../../../gcc-11.3.0/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cpp:75:
/usr/include/linux/mount.h:95:6: error: multiple definition of ‘enum
fsconfig_command’
   95 | enum fsconfig_command {
      |      ^~~~~~~~~~~~~~~~
In file included from
../../../../gcc-11.3.0/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cpp:62:
/data/travel/SOFTWARE/GNU/BUILDS/obj-11.3.0/gcc/include-fixed/sys/mount.h:249:6:
note: previous definition here
  249 | enum fsconfig_command
      |      ^~~~~~~~~~~~~~~~
In file included from /usr/include/linux/fs.h:19,
                 from
../../../../gcc-11.3.0/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cpp:75:
/usr/include/linux/mount.h:129:8: error: redefinition of ‘struct mount_attr’
  129 | struct mount_attr {
      |        ^~~~~~~~~~
In file included from
../../../../gcc-11.3.0/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cpp:62:
/data/travel/SOFTWARE/GNU/BUILDS/obj-11.3.0/gcc/include-fixed/sys/mount.h:219:8:
note: previous definition of ‘struct mount_attr’
  219 | struct mount_attr
      |        ^~~~~~~~~~
make[4]: *** [Makefile:615: sanitizer_platform_limits_posix.lo] Errore 1
make[4]: uscita dalla directory
«/data/travel/SOFTWARE/GNU/BUILDS/obj-11.3.0/x86_64-pc-linux-gnu/libsanitizer/sanitizer_common»
make[3]: *** [Makefile:531: all-recursive] Errore 1
make[3]: uscita dalla directory
«/data/travel/SOFTWARE/GNU/BUILDS/obj-11.3.0/x86_64-pc-linux-gnu/libsanitizer»
make[2]: *** [Makefile:418: all] Errore 2
make[2]: uscita dalla directory
«/data/travel/SOFTWARE/GNU/BUILDS/obj-11.3.0/x86_64-pc-linux-gnu/libsanitizer»
make[1]: *** [Makefile:21826: all-target-libsanitizer] Errore 2
make[1]: uscita dalla directory
«/data/travel/SOFTWARE/GNU/BUILDS/obj-11.3.0»
make: *** [Makefile:29174: bootstrap] Errore 2
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