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[Bug math/21987] [sparc32] wrong bits/long-double.h installed
- From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Mon, 23 Oct 2017 15:47:40 +0000
- Subject: [Bug math/21987] [sparc32] wrong bits/long-double.h installed
- Auto-submitted: auto-generated
- References: <bug-21987-131@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=21987
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04acd597943e90147e4bc139911564788e04ae51
commit 04acd597943e90147e4bc139911564788e04ae51
Author: Joseph Myers <joseph@codesourcery.com>
Date: Thu Oct 19 17:32:20 2017 +0000
Install correct bits/long-double.h for MIPS64 (bug 22322).
Similar to bug 21987 for SPARC, MIPS64 wrongly installs the ldbl-128
version of bits/long-double.h, meaning incorrect results when using
headers installed from a 64-bit installation for a 32-bit build. (I
haven't actually seen this cause build failures before its interaction
with bits/floatn.h did so - installed headers wrongly expecting
_Float128 to be available in a 32-bit configuration.)
This patch fixes the bug by moving the MIPS header to
sysdeps/mips/ieee754, which comes before sysdeps/ieee754/ldbl-128 in
the sysdeps directory ordering. (bits/floatn.h will need a similar
fix - duplicating the ldbl-128 version for MIPS will suffice - for
headers from a 32-bit installation to be correct for 64-bit builds.)
Tested with build-many-glibcs.py (compilers build for
mips64-linux-gnu, where there was previously a libstdc++ build failure
as at
<https://sourceware.org/ml/libc-testresults/2017-q4/msg00130.html>).
[BZ #22322]
* sysdeps/mips/bits/long-double.h: Move to ....
* sysdeps/mips/ieee754/bits/long-double.h: ... here.
(cherry picked from commit 37bb78cb8c1fb6b5813407c8856b1557359e6343)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 1 +
sysdeps/mips/{ => ieee754}/bits/long-double.h | 0
3 files changed, 7 insertions(+), 0 deletions(-)
rename sysdeps/mips/{ => ieee754}/bits/long-double.h (100%)
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