I'm trying to build LFS Version 20191222-systemd on a Fedora 31 host,
which has gcc-9.2.1 installed. I'm getting errors from
5.5. GCC-9.2.0 - Pass 1. Configure seems to run ok; the
config.log file ends with "configure: exit 0". But I seem
to be getting some sort of error with make, whose output end with this:
##########
checking for gawk... gawk
checking for x86_64-lfs-linux-gnu-ar... /tools/x86_64-lfs-linux-
gnu/bin/ar
checking for x86_64-lfs-linux-gnu-lipo... x86_64-lfs-linux-gnu-lipo
checking for x86_64-lfs-linux-gnu-nm... /mnt/lfs/sources/gcc-
9.2.0/build/./gcc/nm
checking for x86_64-lfs-linux-gnu-ranlib... /tools/x86_64-lfs-linux-
gnu/bin/ranlib
checking for x86_64-lfs-linux-gnu-strip... /tools/x86_64-lfs-linux-
gnu/bin/strip
checking whether ln -s works... yes
checking for x86_64-lfs-linux-gnu-gcc... /mnt/lfs/sources/gcc-
9.2.0/build/./gcc/xgcc -B/mnt/lfs/sources/gcc-9.2.0/build/./gcc/
-B/tools/x86_64-lfs-linux-gnu/bin/ -B/tools/x86_64-lfs-linux-gnu/lib/
-isystem /tools/x86_64-lfs-linux-gnu/include -isystem /tools/x86_64-
lfs-linux-gnu/sys-include
checking for suffix of object files... configure: error: in
`/mnt/lfs/sources/gcc-9.2.0/build/x86_64-lfs-linux-gnu/libgcc':
configure: error: cannot compute suffix of object files: cannot compile
See `config.log' for more details
make[1]: *** [Makefile:12427: configure-target-libgcc] Error 1
make[1]: Leaving directory '/mnt/lfs/sources/gcc-9.2.0/build'
make: *** [Makefile:940: all] Error 2
##########
I don't know enough to say whether there's a real error, or just an
apparent error that can be safely ignored.
I any case, when I then run make install, I again get an apparent
error:
##########
libtool: install: /bin/install -c .libs/libcp1plugin.lai
/tools/lib/gcc/x86_64-lfs-linux-gnu/9.2.0/plugin/libcp1plugin.la
libtool: finish: PATH="/tools/bin:/bin:/usr/bin:/sbin" ldconfig -n
/tools/lib/gcc/x86_64-lfs-linux-gnu/9.2.0/plugin
----------------------------------------------------------------------
Libraries have been installed in:
/tools/lib/gcc/x86_64-lfs-linux-gnu/9.2.0/plugin
If you ever happen to want to link against installed libraries
in a given directory, LIBDIR, you must either use libtool, and
specify the full pathname of the library, or use the `-LLIBDIR'
flag during linking and do at least one of the following:
- add LIBDIR to the `LD_LIBRARY_PATH' environment variable
during execution
- add LIBDIR to the `LD_RUN_PATH' environment variable
during linking
- use the `-Wl,-rpath -Wl,LIBDIR' linker flag
- have your system administrator add LIBDIR to `/etc/ld.so.conf'
See any operating system documentation about shared libraries for
more information, such as the ld(1) and ld.so(8) manual pages.
----------------------------------------------------------------------
make[3]: Leaving directory '/mnt/lfs/sources/gcc-9.2.0/build/libcc1'
make[2]: Leaving directory '/mnt/lfs/sources/gcc-9.2.0/build/libcc1'
make[2]: Entering directory '/mnt/lfs/sources/gcc-9.2.0/build/x86_64-
lfs-linux-gnu/libgcc'
make[2]: *** No rule to make target 'install'. Stop.
make[2]: Leaving directory '/mnt/lfs/sources/gcc-9.2.0/build/x86_64-
lfs-linux-gnu/libgcc'
make[1]: *** [Makefile:12580: install-target-libgcc] Error 2
make[1]: Leaving directory '/mnt/lfs/sources/gcc-9.2.0/build'
make: *** [Makefile:2321: install] Error 2
##########
So are these error messages real? Or can I ignore them?
I noted one possibility: Somewhere in the LFS book I read that
compiling with gcc above 9.2.0 mightbe a problem because it's not
been tested. The Fedora 31 I'm using has 9.2.1.
A possible problem?
Alan
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