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[Bug build/22581] glibc-2.26 fails to build for i486 with -Os
- From: "adhemerval.zanella at linaro dot org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Mon, 18 Dec 2017 11:57:41 +0000
- Subject: [Bug build/22581] glibc-2.26 fails to build for i486 with -Os
- Auto-submitted: auto-generated
- References: <bug-22581-131@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=22581
Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |adhemerval.zanella at linaro dot o
| |rg
Resolution|--- |INVALID
--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
The issue is confirparms is not used on configure and for i386 we require to
check if the compiler allows to use ebp in inline assembly (check
sysdeps/unix/sysv/linux/i386/configure.ac).
Instead of using configparms you can try to configure it differently as:
CC="gcc -isystem /usr/lib/gcc/i486-pc-linux-gnu/7.2.0/include -isystem
/usr/include" CFLAGS="-march=i486 -mtune=i686 -Os -pipe" ../configure
--prefix=/usr --libexecdir=/usr/lib/glibc --enable-kernel=4.2.9
--enable-stack-protector=strong libc_cv_slibdir=/lib --disable-werror
There is no plan to support integrate configparms on configure check, although
patches are welcome.
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