Thierry De Corte notices that when UCLIBC_HAS_FLOAT is disabled, we must also

disable drand48, drand48_r, erand48, and erand48_r since they use floats.

libc/stdlib/Makefile

@@ -54,12 +54,11 @@ MSRC2=atexit.c
 MOBJ2=atexit.o on_exit.o __exit_handler.o exit.o
 CSRC =	abort.c getenv.c mkdtemp.c mktemp.c realpath.c mkstemp.c mkstemp64.c \
 	rand.c random.c random_r.c setenv.c system.c div.c ldiv.c getpt.c \
-	ptsname.c grantpt.c unlockpt.c gcvt.c drand48.c drand48-iter.c \
-	drand48_r.c erand48.c erand48_r.c jrand48.c jrand48_r.c lrand48.c \
-	lrand48_r.c mrand48.c mrand48_r.c nrand48.c nrand48_r.c rand_r.c \
-	srand48.c srand48_r.c calloc.c valloc.c
+	ptsname.c grantpt.c unlockpt.c gcvt.c drand48-iter.c jrand48.c \
+	jrand48_r.c lrand48.c lrand48_r.c mrand48.c mrand48_r.c nrand48.c \
+	nrand48_r.c rand_r.c srand48.c srand48_r.c calloc.c valloc.c
 ifeq ($(UCLIBC_HAS_FLOATS),y)
-	CSRC += strtod.c strtof.c strtold.c
+	CSRC += strtod.c strtof.c strtold.c drand48.c drand48_r.c erand48.c erand48_r.c
 endif
 COBJS=$(patsubst %.c,%.o, $(CSRC))