X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=math%2Fw_log_compat.c;h=df5e9e3533eb4b44554d4f4f421bab29a50f4561;hb=581c785bf31bc74430320c7856bbfa3875d025fe;hp=4b470695ae508b3c75c9824d91acfae8235ea4f8;hpb=f67d78192c1be9d56d3a6f3fda4e0a70ae48c44d;p=thirdparty%2Fglibc.git

diff --git a/math/w_log_compat.c b/math/w_log_compat.c
index 4b470695ae5..df5e9e3533e 100644
--- a/math/w_log_compat.c
+++ b/math/w_log_compat.c
@@ -1,6 +1,5 @@
-/* Copyright (C) 2011-2017 Free Software Foundation, Inc.
+/* Copyright (C) 2011-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -14,16 +13,21 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 #include <fenv.h>
 #include <math.h>
 #include <math_private.h>
+#include <math-svid-compat.h>
+#include <libm-alias-double.h>
 
 
+#if LIBM_SVID_COMPAT && (SHLIB_COMPAT (libm, GLIBC_2_0, GLIBC_2_29) \
+			 || defined NO_LONG_DOUBLE \
+			 || defined LONG_DOUBLE_COMPAT)
 /* wrapper log(x) */
 double
-__log (double x)
+__log_compat (double x)
 {
   if (__builtin_expect (islessequal (x, 0.0), 0) && _LIB_VERSION != _IEEE_)
     {
@@ -41,8 +45,17 @@ __log (double x)
 
   return  __ieee754_log (x);
 }
-weak_alias (__log, log)
-#ifdef NO_LONG_DOUBLE
-strong_alias (__log, __logl)
-weak_alias (__log, logl)
+# if SHLIB_COMPAT (libm, GLIBC_2_0, GLIBC_2_29)
+compat_symbol (libm, __log_compat, log, GLIBC_2_0);
+# endif
+# ifdef NO_LONG_DOUBLE
+weak_alias (__log_compat, logl)
+# endif
+# ifdef LONG_DOUBLE_COMPAT
+/* Work around gas bug "multiple versions for symbol".  */
+weak_alias (__log_compat, __log_compat_alias)
+
+LONG_DOUBLE_COMPAT_CHOOSE_libm_logl (
+  compat_symbol (libm, __log_compat_alias, logl, FIRST_VERSION_libm_logl), );
+# endif
 #endif