Gentoo gcc 10 Apr 21, 2025 · Rust on GCC systems. Can you attach build. As of 2024-11-09, Rust docs say: The -C linker-plugin-lto flag allows for deferring the LTO optimization to the actual linking step, which in turn allows for performing interprocedural optimizations across programming language boundaries if all the object files being linked were created by LLVM based toolchains. 0-r2 is still affected by the underlying issue. This changed gcc code generator to emit globals without explicit initializer from . bss (via COMMON symbol type) to . 18. The lowest supported version of GCC is GCC 11. Sep 28, 2020 · This video is a guide on setting up the lto-overlay to optimize your packages through portage with as well as upgrading the system to GCC 10, for faster compiled binaries. GCC will reject multiple definitions of global variables starting from gcc-10: Mar 23, 2020 · New GCC releases are always great fun to have: new optimisations, new CPUs and platforms supported, new diagnostic warnings. I see there is a set @downgrade but I have no idea what it is for. Weeks from comment #10) > (In reply to Sergei Trofimovich from comment #9) > > (In reply to Daniel M. gnu. 0 to 11. Enable libgccjit so other applications can embed gcc for Just-In-Time compilation. I don't recall all the steps, I think I may have rebuilt glibc and something else from the wiki then "emerge -e @system". log for gcc-11. Maybe switching the flag off would help, but it appears that h5pfc (thus openmpi and hdf5) are always built with gcc-8. Aug 10, 2021 · gcc-10 and above flipped a default from -fcommon to -fno-common. Jan 4, 2025 · Most GCC upgrades are as simple as switching the compiler version (here from 10. I was wondering the other day: what does it take to get live GCC right from git tree into Gentoo. more. . 4. 0) and rebuilding dev-build/libtool: Check the current version number and then uninstall the old version: Enjoy the new compiler! Jul 5, 2020 · Gentoo is starting to have a rather extensive list for the -fno-common failure at https://bugs. GCC will reject multiple definitions of global variables starting from gcc-10: Quite right. Mar 23, 2020 · I was wondering the other day: what does it take to get live GCC right from git tree into Gentoo. org/PR62083 This appears as a result of using gcc-10 flags with openmpi / hdf5 built with <gcc-10. Hopefully own workaround shouldn't be needed for very long and ultimately allow gcc to optimize better when possible. 4, though gcc-10 is selected: Posted: Sun Jan 12, 2020 9:40 pm Post subject: Gcc 10 Any adventorous souls tried the 10. 0-r2 that demonstrates > > the failure? > > I came to a hasty conclusion anyway. 2. 8-gentoo #1 SMP PREEMPT Fri Jan 10 05:44:18 CET 2020 x86_64 AMD A9-9410 RADEON R5, 5 COMPUTE CORES 2C+3G AuthenticAMD GNU/Linux sys-apps/iproute2: 1 minute, 39 seconds average for 24 merges sys-devel/gcc: ICE when building media-libs/libjxl in function 'bool jxl_skcms_Parse(const void*, size_t, skcms_ICCProfile*)': at skcms/skcms. But also occasional new bugs or fixes that break backwards compatibility. org/wiki/libgdiagnostics). 0-r5 fails (Rpi4, 8GB, 32bit)[bug:776733] May 9, 2020 · Gentoo's Bugzilla – Bug 705898 =sys-libs/gdbm-1. org/705764 and slowly receiving daily fixes for them either in the form of patches or "append-cflags -fcommon". Provide libgdiagnostics (https://gcc. However I did mask the bad ~amd64 gcc 10 and went back to gcc 9. Aug 10, 2021 · gcc-10 and above flipped a default from -fcommon to -fno-common. Weeks from comment #8) > > > sys-devel/gcc-11. Worst case, reinstall @system from a snapshot then emerge -e @system. 1 fails to build with -fno-common or gcc-10 Last modified: 2020-05-09 10:58:40 UTC node [vulture] To exemplify, if Gentoo is installed on a machine whose GCC's CHOST is i686-pc-linux-gnu, and a Distcc server is setup on another computer whose GCC's CHOST is i486-linux-gnu, then there is no need to be afraid that the results would be less optimal because of the strictly inferior sub-architecture of the remote compiler and/or hardware. gentoo. Please switch to a newer GCC version using gcc-config. GCC 10 and older no longer receive upstream support or fixes for bugs. Jul 25, 2020 · > -static Given that you are using static linking with lto make sure you have rebuilt all static libraries with new gcc: https://gcc. > > > > It should not. Apr 21, 2025 · Build the GCC Go language frontend. We would be able to find out breakages before the release comes out, would allow users to test early fixes and (most important) have another way to break our systems Mar 12, 2021 · Posted: Fri Mar 12, 2021 5:55 am Post subject: emerge of gcc-10. 0-pre9999 20200116 (experimental) * Linux sandys-pavilion 5. 0_pre9999 already? Well - stable binutils didn't compile for me, so think I'll give it a little time still Jan 16, 2020 · * gcc (Gentoo Hardened 10. data (via DEFAULT symbol type). 1. Temporarily adding -Wno-narrowing to CFLAGS let's the build succeed, but adding -fcommon doesn't help. 0. Sep 25, 2020 · I'm having the same issue. 3. 0_pre9999 p4) 10. cc:1004:6 Aug 20, 2021 · (In reply to Daniel M. Example The problem. That would allow people to try GCC in VMs or chroots in a full Gentoo environment. opuk scthl osdk acep gkshda mqluuor egsorcd wggelq mlolp cry zkvei xty inulg rbwry cjx