X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=math%2Fw_exp_compat.c;h=de1625540a720e1d0b6ae4b2978c54ab1c81b82f;hb=2b778ceb4010c28d70de9b8eab20e8d88eed586b;hp=98aa5b76a01dd8f9d8c7e38c8ff82694608a6f3e;hpb=bcea7ad608466a886767ddc743dce0df11980b5f;p=thirdparty%2Fglibc.git

diff --git a/math/w_exp_compat.c b/math/w_exp_compat.c
index 98aa5b76a01..de1625540a7 100644
--- a/math/w_exp_compat.c
+++ b/math/w_exp_compat.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2011-2017 Free Software Foundation, Inc.
+/* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
@@ -14,16 +14,19 @@
 
    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 <math.h>
 #include <math_private.h>
 #include <math-svid-compat.h>
+#include <libm-alias-double.h>
 
-#if LIBM_SVID_COMPAT
+#if LIBM_SVID_COMPAT && (SHLIB_COMPAT (libm, GLIBC_2_0, GLIBC_2_29) \
+			 || defined NO_LONG_DOUBLE \
+			 || defined LONG_DOUBLE_COMPAT)
 /* wrapper exp */
 double
-__exp (double x)
+__exp_compat (double x)
 {
   double z = __ieee754_exp (x);
   if (__builtin_expect (!isfinite (z) || z == 0, 0)
@@ -32,10 +35,17 @@ __exp (double x)
 
   return z;
 }
-hidden_def (__exp)
-weak_alias (__exp, exp)
+# if SHLIB_COMPAT (libm, GLIBC_2_0, GLIBC_2_29)
+compat_symbol (libm, __exp_compat, exp, GLIBC_2_0);
+# endif
 # ifdef NO_LONG_DOUBLE
-strong_alias (__exp, __expl)
-weak_alias (__exp, expl)
+weak_alias (__exp_compat, expl)
+# endif
+# ifdef LONG_DOUBLE_COMPAT
+/* Work around gas bug "multiple versions for symbol".  */
+weak_alias (__exp_compat, __exp_compat_alias)
+
+LONG_DOUBLE_COMPAT_CHOOSE_libm_expl (
+  compat_symbol (libm, __exp_compat_alias, expl, FIRST_VERSION_libm_expl), );
 # endif
 #endif