[issue42164] Python fails to compile in the Fedora Stable LTO buildbots
STINNER Victor
report at bugs.python.org
Mon Oct 26 20:16:04 EDT 2020
STINNER Victor <vstinner at python.org> added the comment:
I reproduced the bug on Fedora 32 with gcc-10.2.1-6.fc32.x86_64 (new) but I failed to reproduce with gcc-10.2.1-1.fc32.x86_64 (old, before I upgraded GCC). So it's a regression of gcc-10.2.1-6.fc32.x86_64 package.
The package contains multiple downstream patches:
https://src.fedoraproject.org/rpms/gcc/tree/f32
Commands used to reproduce the issue:
export MAKEFLAGS=-j10
./configure --with-lto
make
Extract of my Makefile:
OPT= -DNDEBUG -g -fwrapv -O3 -Wall
BASECFLAGS= -Wno-unused-result -Wsign-compare
CONFIGURE_CFLAGS_NODIST= -flto -fuse-linker-plugin -ffat-lto-objects -flto-partition=none -g -std=c99 -Wextra -Wno-unused-result -Wno-unused-parameter -Wno-missing-field-initializers -Werror=implicit-function-declaration -fvisibility=hidden
CONFIGURE_LDFLAGS_NODIST= -flto -fuse-linker-plugin -ffat-lto-objects -flto-partition=none -g
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<https://bugs.python.org/issue42164>
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