GNU C Library master sources branch master updated. glibc-2.26-159-g80f9166

[jsm28 at sourceware dot org]

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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=80f91666fed71fa3dd5eb5618739147cc731bc89

commit 80f91666fed71fa3dd5eb5618739147cc731bc89
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Tue Aug 22 00:59:43 2017 +0000

    Fix sparc32 bits/long-double.h (bug 21987).
    
    My refactoring of long double information
    
    commit 0acb8a2a855395c25b1feef2470f4d7ca4bed589
    Author: Joseph Myers <joseph@codesourcery.com>
    Date:   Wed Dec 14 18:27:56 2016 +0000
    
        Refactor long double information into bits/long-double.h.
    
    resulted in sparc32 configurations installing the ldbl-opt version of
    bits/long-double.h instead of the intended
    sysdeps/unix/sysv/linux/sparc version.
    
    For sparc32 by itself, this is not a problem, since the ldbl-opt
    version is correct for sparc32.  However, both sparc32 and sparc64 are
    supposed to install sets of headers that work for both of them, so
    that a single sysroot, whichever order the libraries are built and
    installed in, works for both.  The effect of having the wrong version
    installed is that you end up with a miscompiled sparc64 libstdc++
    which fails glibc's configure tests for the C++ compiler.
    
    This patch moves the header from sysdeps/unix/sysv/linux/sparc to
    separate copies of the same file for sparc32 and sparc64, to ensure it
    comes before ldbl-opt in the sysdeps directory ordering.
    
    Tested with build-many-glibcs.py for sparc64-linux-gnu and
    sparcv9-linux-gnu.
    
    	[BZ #21987]
    	* sysdeps/unix/sysv/linux/sparc/bits/long-double.h: Remove file
    	and copy to ...
    	* sysdeps/unix/sysv/linux/sparc/sparc32/bits/long-double.h:
    	... here.
    	* sysdeps/unix/sysv/linux/sparc/sparc64/bits/long-double.h:
    	... and here.

diff --git a/ChangeLog b/ChangeLog
index 7953c01..7fb4d18 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,13 @@
 2017-08-22  Joseph Myers  <joseph@codesourcery.com>
 
+	[BZ #21987]
+	* sysdeps/unix/sysv/linux/sparc/bits/long-double.h: Remove file
+	and copy to ...
+	* sysdeps/unix/sysv/linux/sparc/sparc32/bits/long-double.h:
+	... here.
+	* sysdeps/unix/sysv/linux/sparc/sparc64/bits/long-double.h:
+	... and here.
+
 	* assert/Makefile [$(have-cxx-thread_local)]: Move conditional
 	variable definitions above inclusion of ../Rules.
 
diff --git a/sysdeps/unix/sysv/linux/sparc/bits/long-double.h b/sysdeps/unix/sysv/linux/sparc/sparc32/bits/long-double.h
similarity index 100%
copy from sysdeps/unix/sysv/linux/sparc/bits/long-double.h
copy to sysdeps/unix/sysv/linux/sparc/sparc32/bits/long-double.h
diff --git a/sysdeps/unix/sysv/linux/sparc/bits/long-double.h b/sysdeps/unix/sysv/linux/sparc/sparc64/bits/long-double.h
similarity index 100%
rename from sysdeps/unix/sysv/linux/sparc/bits/long-double.h
rename to sysdeps/unix/sysv/linux/sparc/sparc64/bits/long-double.h

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                                          |    8 ++++++++
 .../linux/sparc/{ => sparc32}/bits/long-double.h   |    0
 .../linux/sparc/{ => sparc64}/bits/long-double.h   |    0
 3 files changed, 8 insertions(+), 0 deletions(-)
 copy sysdeps/unix/sysv/linux/sparc/{ => sparc32}/bits/long-double.h (100%)
 rename sysdeps/unix/sysv/linux/sparc/{ => sparc64}/bits/long-double.h (100%)


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