GNU C Library master sources branch master updated. glibc-2.26.9000-906-g0d5ba56

[jsm28 at sourceware dot org]

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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=0d5ba561c1ef3d4abf060bbdba88c29379d4adbe

commit 0d5ba561c1ef3d4abf060bbdba88c29379d4adbe
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Fri Dec 1 23:37:46 2017 +0000

    Base powerpc logbl compat symbols on __logb not logb.
    
    Some powerpc logb implementations define a compat symbol for logbl
    based on logb, whereas libm_alias_double defines such a compat symbol
    based on __logb instead.  This difference (logb is weak, __logb isn't)
    is enough to result in different installed stripped shared libraries.
    The difference in the installed libraries isn't significant, but first
    changing the compat_symbol calls helps make it possible to validate a
    subsequent change to use libm_alias_double by comparison of libraries,
    so this patch does such a preliminary change.
    
    Tested with build-many-glibcs.py for all its hard-float powerpc
    configurations.
    
    	* sysdeps/powerpc/power7/fpu/s_logb.c
    	[LONG_DOUBLE_COMPAT (libm, GLIBC_2_0)] (logbl): Define as compat
    	symbol based on __logb, not on logb.
    	* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logb.c
    	[LONG_DOUBLE_COMPAT (libm, GLIBC_2_0)] (logbl): Likewise.
    	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb.c
    	[LONG_DOUBLE_COMPAT (libm, GLIBC_2_0)] (logbl): Likewise.

diff --git a/ChangeLog b/ChangeLog
index 27b49cd..9bc6376 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,13 @@
 2017-12-01  Joseph Myers  <joseph@codesourcery.com>
 
+	* sysdeps/powerpc/power7/fpu/s_logb.c
+	[LONG_DOUBLE_COMPAT (libm, GLIBC_2_0)] (logbl): Define as compat
+	symbol based on __logb, not on logb.
+	* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logb.c
+	[LONG_DOUBLE_COMPAT (libm, GLIBC_2_0)] (logbl): Likewise.
+	* sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb.c
+	[LONG_DOUBLE_COMPAT (libm, GLIBC_2_0)] (logbl): Likewise.
+
 	* sysdeps/powerpc/fpu/s_rint.c: Include <libm-alias-double.h>.
 	(rint): Define using libm_alias_double.
 	* sysdeps/powerpc/power5+/fpu/s_modf.c: Include
diff --git a/sysdeps/powerpc/power7/fpu/s_logb.c b/sysdeps/powerpc/power7/fpu/s_logb.c
index af74b1d..1c7a4a8 100644
--- a/sysdeps/powerpc/power7/fpu/s_logb.c
+++ b/sysdeps/powerpc/power7/fpu/s_logb.c
@@ -75,5 +75,5 @@ weak_alias (__logb, logbl)
 #endif
 
 #if LONG_DOUBLE_COMPAT (libm, GLIBC_2_0)
-compat_symbol (libm, logb, logbl, GLIBC_2_0);
+compat_symbol (libm, __logb, logbl, GLIBC_2_0);
 #endif
diff --git a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logb.c b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logb.c
index fddd1ec..f178967 100644
--- a/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logb.c
+++ b/sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logb.c
@@ -37,5 +37,5 @@ weak_alias (__logb, logbl)
 #endif
 
 #if LONG_DOUBLE_COMPAT (libm, GLIBC_2_0)
-compat_symbol (libm, logb, logbl, GLIBC_2_0);
+compat_symbol (libm, __logb, logbl, GLIBC_2_0);
 #endif
diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb.c
index d70919e..c2e9f4d 100644
--- a/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb.c
+++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb.c
@@ -37,5 +37,5 @@ weak_alias (__logb, logbl)
 #endif
 
 #if LONG_DOUBLE_COMPAT (libm, GLIBC_2_0)
-compat_symbol (libm, logb, logbl, GLIBC_2_0);
+compat_symbol (libm, __logb, logbl, GLIBC_2_0);
 #endif

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

Summary of changes:
 ChangeLog                                          |    8 ++++++++
 sysdeps/powerpc/power7/fpu/s_logb.c                |    2 +-
 .../powerpc32/power4/fpu/multiarch/s_logb.c        |    2 +-
 sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb.c   |    2 +-
 4 files changed, 11 insertions(+), 3 deletions(-)


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