String: Add __memcmpeq as build target

No bug. This commit just adds __memcmpeq as a build target so that
implementations for __memcmpeq that are not just aliases to memcmp can
be supported.

diff --git a/string/Makefile b/string/Makefile
index 40d6fac..2199dd3 100644 (file)
--- a/string/Makefile
+++ b/string/Makefile
@@ -34,7 +34,7 @@ routines      := strcat strchr strcmp strcoll strcpy strcspn          \
                   strerror _strerror strlen strnlen                    \
                   strncat strncmp strncpy                              \
                   strrchr strpbrk strsignal strspn strstr strtok       \
-                  strtok_r strxfrm memchr memcmp memmove memset        \
+                  strtok_r strxfrm memchr memcmp memcmpeq memmove memset       \
                   mempcpy bcopy bzero ffs ffsll stpcpy stpncpy         \
                   strcasecmp strncase strcasecmp_l strncase_l          \
                   memccpy memcpy wordcopy strsep strcasestr            \

diff --git a/string/memcmpeq.c b/string/memcmpeq.c
new file mode 100644 (file)
index 0000000..0872632
--- /dev/null
+++ b/string/memcmpeq.c
@@ -0,0 +1,24 @@
+/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+/* This file is intentionally left empty.  It exists so that both
+   architectures which implement __memcmpeq seperately from memcmp and
+   architectures which implement __memcmpeq by having it alias memcmp will
+   build.
+
+   The alias for __memcmpeq to memcmp for the C implementation is in
+   memcmp.c.  */