https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96217
--- Comment #9 from LE GARREC Vincent ---
For the record : the bug I opened in glibc bugzilla :
https://sourceware.org/bugzilla/show_bug.cgi?id=26260
Like gcc, glibc doesn't supports -O0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96217
--- Comment #8 from LE GARREC Vincent ---
Thanks, you're right. I was able to build with
CFLAGS="-march=native -ggdb2 -g2 -pipe -fno-omit-frame-pointer -O0"
CXXFLAGS="-march=native -ggdb2 -g2 -pipe -fno-omit-frame-pointer -O0"
but with adding :
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96217
--- Comment #6 from LE GARREC Vincent ---
My log says :
>>> Configuring source in
>>> /var/tmp/portage/sys-devel/gcc-10.1.0-r2/work/gcc-10.1.0 ...
* CFLAGS="-march=native -O0 -ggdb2 -g2 -pipe -fno-omit-frame-pointer"
* CXXFLAGS="-march=native
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96217
--- Comment #4 from LE GARREC Vincent ---
I know that building the world with -O0 can be strange but it really helps me
when a software crashes.
Thanks, -lgcc_eh solves the problem. I will create a bugreport to glibc and
hope they will fix it.
Ma
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96217
--- Comment #2 from LE GARREC Vincent ---
Are you sure ?
I thought it the fault of GCC because :
- glibc can be build if gcc was built with -O2
- glibc can't be build if gcc was built with -O0
I think the build of glibc should not depend on
other
Assignee: unassigned at gcc dot gnu.org
Reporter: legarrec.vincent at gmail dot com
Target Milestone: ---
Created attachment 48880
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48880&action=edit
glibc-build.zip
I work on Gentoo. I compiled gcc with -O0 and I
