[Bug 2293272] Review Request: gcc13 - GCC 13 compatibility compiler

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https://bugzilla.redhat.com/show_bug.cgi?id=2293272



--- Comment #23 from Jakub Jelinek <jakub@xxxxxxxxxx> ---
Updates below:

Spec URL: https://jakub.fedorapeople.org/gcc13/gcc13.spec
SRPM URL: https://jakub.fedorapeople.org/gcc13/gcc13-13.3.1-2.1.fc40.src.rpm

Scratch build: https://koji.fedoraproject.org/koji/taskinfo?taskID=120291744

Will see if that builds.

Typo: "# For VTA guality testing"

This is not a typo, it is a (made up) term used for gcc debug info quality
testing (-g quality).

gcc13.spec:152: W: unversioned-explicit-provides bundled(libiberty)

That is intentional, libiberty isn't versioned in any way (and gcc is the
master at least for GNU projects).

gcc13.spec:153: W: unversioned-explicit-provides bundled(libbacktrace)

Ditto.

gcc13.spec:154: W: unversioned-explicit-provides bundled(libffi)

While there is upstream libffi, there is divergence between the gcc and
upstream libffi version, what exactly is newer
differed many times in the history.  Not that it matters for this package much
because libffi is used just in ObjC or Go etc. support.

gcc13.x86_64: E: static-library-without-debuginfo
/usr/lib/gcc/x86_64-redhat-linux/13/libatomic.a
gcc13.x86_64: E: static-library-without-debuginfo
/usr/lib/gcc/x86_64-redhat-linux/13/libgcc.a
gcc13.x86_64: E: static-library-without-debuginfo
/usr/lib/gcc/x86_64-redhat-linux/13/libgcc_eh.a
gcc13.x86_64: E: static-library-without-debuginfo
/usr/lib/gcc/x86_64-redhat-linux/13/libgcov.a
gcc13.x86_64: E: static-library-without-debuginfo
/usr/lib/gcc/x86_64-redhat-linux/13/libgomp.a
gcc13.x86_64: E: static-library-without-debuginfo
/usr/lib/gcc/x86_64-redhat-linux/13/libitm.a
gcc13.x86_64: E: static-library-without-debuginfo
/usr/lib/gcc/x86_64-redhat-linux/13/libquadmath.a
gcc13-c++.x86_64: E: static-library-without-debuginfo
/usr/lib/gcc/x86_64-redhat-linux/13/libstdc++.a
gcc13-c++.x86_64: E: static-library-without-debuginfo
/usr/lib/gcc/x86_64-redhat-linux/13/libstdc++exp.a
gcc13-c++.x86_64: E: static-library-without-debuginfo
/usr/lib/gcc/x86_64-redhat-linux/13/libstdc++fs.a
gcc13-c++.x86_64: E: static-library-without-debuginfo
/usr/lib/gcc/x86_64-redhat-linux/13/libsupc++.a
gcc13-gfortran.x86_64: E: static-library-without-debuginfo
/usr/lib/gcc/x86_64-redhat-linux/13/libcaf_single.a
gcc13-gfortran.x86_64: E: static-library-without-debuginfo
/usr/lib/gcc/x86_64-redhat-linux/13/libgfortran.a

That is what the system gcc does normally too, in that case it also provides
variants with debug info
in the debuginfo packages, but I think that isn't worth it for this package.

gcc13.x86_64: W: position-independent-executable-suggested /usr/bin/cpp-13
gcc13.x86_64: W: position-independent-executable-suggested /usr/bin/gcc-13
gcc13.x86_64: W: position-independent-executable-suggested /usr/bin/gcc-ar-13
gcc13.x86_64: W: position-independent-executable-suggested /usr/bin/gcc-nm-13
gcc13.x86_64: W: position-independent-executable-suggested
/usr/bin/gcc-ranlib-13
gcc13.x86_64: W: position-independent-executable-suggested /usr/bin/gcov-13
gcc13.x86_64: W: position-independent-executable-suggested
/usr/bin/gcov-dump-13
gcc13.x86_64: W: position-independent-executable-suggested
/usr/bin/gcov-tool-13
gcc13.x86_64: W: position-independent-executable-suggested /usr/bin/lto-dump-13
gcc13.x86_64: W: position-independent-executable-suggested
/usr/bin/x86_64-redhat-linux-gcc-13
gcc13.x86_64: W: position-independent-executable-suggested
/usr/libexec/gcc/x86_64-redhat-linux/13/cc1
gcc13.x86_64: W: position-independent-executable-suggested
/usr/libexec/gcc/x86_64-redhat-linux/13/collect2
gcc13.x86_64: W: position-independent-executable-suggested
/usr/libexec/gcc/x86_64-redhat-linux/13/lto-wrapper
gcc13.x86_64: W: position-independent-executable-suggested
/usr/libexec/gcc/x86_64-redhat-linux/13/lto1
gcc13-c++.x86_64: W: position-independent-executable-suggested /usr/bin/g++-13
gcc13-c++.x86_64: W: position-independent-executable-suggested
/usr/bin/x86_64-redhat-linux-c++-13
gcc13-c++.x86_64: W: position-independent-executable-suggested
/usr/bin/x86_64-redhat-linux-g++-13
gcc13-c++.x86_64: W: position-independent-executable-suggested
/usr/libexec/gcc/x86_64-redhat-linux/13/cc1plus
gcc13-c++.x86_64: W: position-independent-executable-suggested
/usr/libexec/gcc/x86_64-redhat-linux/13/g++-mapper-server
gcc13-gfortran.x86_64: W: position-independent-executable-suggested
/usr/bin/gfortran-13
gcc13-gfortran.x86_64: W: position-independent-executable-suggested
/usr/libexec/gcc/x86_64-redhat-linux/13/f951

Intentional, PIE slows the compiler too much and doesn't have any benefits for
it, there were no exploitable buffer overflows
in the compiler for the last 25 years, I think a single non-exploitable one
during that time, compiler is supposed to be
invoked without elevated priviledges and if it is invoked on untrusted random
sources, one better sandboxes it and limits it
for compile time as well as memory, because even very small sources can result
in weeks long compilation times and consumption
of gigabytes of memory.

gcc13.x86_64: W: no-manual-page-for-binary gcc-ar-13
gcc13.x86_64: W: no-manual-page-for-binary gcc-nm-13
gcc13.x86_64: W: no-manual-page-for-binary gcc-ranlib-13
gcc13.x86_64: W: no-manual-page-for-binary x86_64-redhat-linux-gcc-13

Intentional.

gcc13.x86_64: W: files-duplicate /usr/lib/gcc/x86_64-redhat-linux/13/crtendS.o
/usr/lib/gcc/x86_64-redhat-linux/13/crtend.o
gcc13-c++.x86_64: W: files-duplicate /usr/include/c++/13/ext/hash_map
/usr/include/c++/13/backward/hash_map
gcc13-c++.x86_64: W: files-duplicate /usr/include/c++/13/ext/hash_set
/usr/include/c++/13/backward/hash_set
gcc13-c++.x86_64: W: files-duplicate
/usr/include/c++/13/x86_64-redhat-linux/bits/gthr-posix.h
/usr/include/c++/13/x86_64-redhat-linux/bits/gthr-default.h

Intentional.

gcc13.x86_64: W: devel-file-in-non-devel-package
/usr/lib/gcc/x86_64-redhat-linux/13/include/acc_prof.h
gcc13.x86_64: W: devel-file-in-non-devel-package
/usr/lib/gcc/x86_64-redhat-linux/13/include/adxintrin.h
...

Intentional.

gcc13.x86_64: E: devel-dependency glibc-devel
gcc13-c++.x86_64: E: devel-dependency libstdc++-devel
gcc13-gfortran.x86_64: E: devel-dependency libquadmath-devel

Intentional.

gcc13.spec:333: W: configure-without-libdir-spec
gcc13.spec:380: W: configure-without-libdir-spec

Intentional.


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