Libraries updates and cleanup

* Updating common/lib
 * Updating lib/csu
 * Updating lib/libc
 * Updating libexec/ld.elf_so
 * Corrected test on __minix in featuretest to actually follow the
   meaning of the comment.
 * Cleaned up _REENTRANT-related defintions.
 * Disabled -D_REENTRANT for libfetch
 * Removing some unneeded __NBSD_LIBC defines and tests

Change-Id: Ic1394baef74d11b9f86b312f5ff4bbc3cbf72ce2

lib/libsys/Makefile

@@ -1,9 +1,6 @@
 # Makefile for libsys
 .include <bsd.own.mk>
 
-# LSC For now
-NOGCCERROR:= yes
-
 LIB=		sys
 
 SRCS=  \
@@ -151,7 +148,6 @@ CPPFLAGS+= -DUSE_SYSDEBUG
 .endif
 
 CPPFLAGS.sched_start.c+=	-I${NETBSDSRCDIR}
-CPPFLAGS.vprintf.c+= -D__NBSD_LIBC
 
 .if (${CC} == "gcc") || (${CC} == "clang")
 LDADD+=	-lminc

lib/libsys/panic.c

@@ -41,10 +41,8 @@ void panic(const char *fmt, ...)
   /* Try exit */
   _exit(1);
 
-#ifndef __NBSD_LIBC
   /* Try to signal ourself */
   abort();
-#endif
 
   /* If exiting nicely through PM fails for some reason, try to
    * commit suicide. E.g., message to PM might fail due to deadlock.

lib/libsys/tickdelay.c

@@ -4,8 +4,7 @@
 /*===========================================================================*
  *                               tickdelay			    	     *
  *===========================================================================*/
-int tickdelay(ticks)
-long ticks;				/* number of ticks to wait */
+int tickdelay(clock_t ticks)
 {
 /* This function uses the synchronous alarm to delay for a while. This works
  * even if a previous synchronous alarm was scheduled, because the remaining

lib/libsys/vprintf.c

@@ -8,15 +8,9 @@
 /* vprintf() uses kputc() to print characters. */
 void kputc(int c);
 
-#ifdef __NBSD_LIBC
 #define count_kputc(c) do { charcount++; putf((c), farg); } while(0)
 
 int __fvprintf(void (*putf)(int, void *), const char *fmt, va_list argp, void *farg)
-#else /* !NBSD_LIBC */
-#define count_kputc(c) do { charcount++; kputc(c); } while(0)
-
-int vprintf(const char *fmt, va_list argp)
-#endif /* NBSD_LIBC */
 {
 	int c, charcount = 0;
 	enum { LEFT, RIGHT } adjust;
@@ -186,15 +180,11 @@ int vprintf(const char *fmt, va_list argp)
 	}
 
 	/* Mark the end with a null (should be something else, like -1). */
-#ifdef __NBDS_LIBC
-	putf(0, farg);
-#else
 	kputc(0);
-#endif
+
 	return charcount;
 }
 
-#ifdef __NBSD_LIBC
 #include <sys/cdefs.h>
 #include <assert.h>
 #include <unistd.h>
@@ -230,7 +220,6 @@ int _vfprintf(FILE *fp, const char *fmt, va_list argp)
 {
 	return	__fvprintf(__xfputc, fmt, argp, fp);
 }
-#endif
 
 /*
  * $PchId: kprintf.c,v 1.5 1996/04/11 06:59:05 philip Exp $