Remove HAVE_MEMCPY ifdefs

memcpy(3) has been in standard C since C89.  It is also in
POSIX.1-2001, in SVr4, and in 4.3BSD (see memcpy(3) and memcpy(3p)).
We can assume that this function is always available.

Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>

configure.ac

@@ -53,7 +53,7 @@ AC_CHECK_HEADER([shadow.h],,[AC_MSG_ERROR([You need a libc with shadow.h])])
 
 AC_CHECK_FUNCS(arc4random_buf l64a fchmod fchown fsync futimes getgroups \
 	gethostname getentropy getrandom getspnam gettimeofday getusershell \
-	getutent initgroups lchown lckpwdf lstat lutimes memcpy memset \
+	getutent initgroups lchown lckpwdf lstat lutimes memset \
 	setgroups sigaction strchr updwtmp updwtmpx innetgr getpwnam_r \
 	getpwuid_r getgrnam_r getgrgid_r getspnam_r getaddrinfo ruserok \
 	dlopen)

lib/defines.h

@@ -70,10 +70,6 @@ extern char * textdomain (const char * domainname);
 #  define strrchr rindex
 # endif
 char *strchr (), *strrchr (), *strtok ();
-
-# ifndef HAVE_MEMCPY
-#  define memcpy(d, s, n) bcopy((s), (d), (n))
-# endif
 #endif				/* not STDC_HEADERS */
 
 #if HAVE_ERRNO_H

libmisc/getdate.y

@@ -61,7 +61,7 @@
 /* Some old versions of bison generate parsers that use bcopy.
    That loses on systems that don't provide the function, so we have
    to redefine it here.  */
-#if !defined (HAVE_BCOPY) && defined (HAVE_MEMCPY) && !defined (bcopy)
+#if !defined (HAVE_BCOPY) && !defined (bcopy)
 # define bcopy(from, to, len) memcpy ((to), (from), (len))
 #endif