diff --git a/arch/c5471/Make.defs b/arch/c5471/Make.defs
index f75abdad61..359f4585ed 100644
--- a/arch/c5471/Make.defs
+++ b/arch/c5471/Make.defs
@@ -60,9 +60,6 @@ OBJDUMP			= $(CROSSDEV)objdump
 CFLAGS			= $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
 
-LDFLAGS			= $(ARCHSCRIPT)
-EXTRA_LIBS		=
-
 OBJEXT			= .o
 LIBEXT			= .a
 
diff --git a/arch/c5471/src/Makefile b/arch/c5471/src/Makefile
index e2a4dc4ba6..3c1e50010c 100644
--- a/arch/c5471/src/Makefile
+++ b/arch/c5471/src/Makefile
@@ -56,6 +56,9 @@ COBJS		= $(CSRCS:.c=.o)
 SRCS		= $(ASRCS) $(CSRCS)
 OBJS		= $(AOBJS) $(COBJS)
 
+LDFLAGS		= $(ARCHSCRIPT)
+EXTRA_LIBS	=
+
 LINKOBJS	=
 LINKLIBS	=
 LDPATHES	= $(addprefix -L$(TOPDIR)/,$(dir $(LINKLIBS)))
diff --git a/arch/sim/Make.defs b/arch/sim/Make.defs
index da5b1ba480..3e4d0cf75e 100644
--- a/arch/sim/Make.defs
+++ b/arch/sim/Make.defs
@@ -59,9 +59,6 @@ OBJDUMP			= $(CROSSDEV)objdump
 CFLAGS			= $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
 
-LDFLAGS			= $(ARCHSCRIPT)
-EXTRA_LIBS		= -lc
-
 OBJEXT			= .o
 LIBEXT			= .a
 
diff --git a/arch/sim/src/Makefile b/arch/sim/src/Makefile
index cb3f96b73f..a3be44f35a 100644
--- a/arch/sim/src/Makefile
+++ b/arch/sim/src/Makefile
@@ -51,6 +51,9 @@ COBJS		= $(CSRCS:.c=$(OBJEXT))
 SRCS		= $(ASRCS) $(CSRCS)
 OBJS		= $(AOBJS) $(COBJS)
 
+LDFLAGS			= $(ARCHSCRIPT)
+EXTRA_LIBS		= -lc
+
 LINKOBJS	=
 LINKLIBS	=
 LDPATHES	= $(addprefix -L$(TOPDIR)/,$(dir $(LINKLIBS)))
diff --git a/drivers/Makefile b/drivers/Makefile
index dc07fcdc72..8d687a67c3 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -53,7 +53,7 @@ all:	$(BIN)
 $(AOBJS): %$(OBJEXT): %.S
 	$(CC) -c $(CFLAGS) -D__ASSEMBLY__ $< -o $@
 
-$(cOBJS): %$(OBJEXT): %.c
+$(COBJS): %$(OBJEXT): %.c
 	$(CC) -c $(CFLAGS) $< -o $@
 
 $(BIN):	$(OBJS)
diff --git a/fs/Makefile b/fs/Makefile
index 647739e32b..b7d09a4e9f 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -54,7 +54,7 @@ all:	$(BIN)
 $(AOBJS): %$(OBJEXT): %.S
 	$(CC) -c $(CFLAGS) -D__ASSEMBLY__ $< -o $@
 
-$(cOBJS): %$(OBJEXT): %.c
+$(COBJS): %$(OBJEXT): %.c
 	$(CC) -c $(CFLAGS) $< -o $@
 
 $(BIN):	$(OBJS)
diff --git a/lib/lib_rint.c b/lib/lib_rint.c
index 632c6632d9..a0f7dbd4fb 100644
--- a/lib/lib_rint.c
+++ b/lib/lib_rint.c
@@ -41,6 +41,7 @@
  * Included Files
  ************************************************************/
 
+#include <nuttx/config.h>
 #include <sys/types.h>
 #include <stdlib.h>
 
@@ -74,50 +75,61 @@
 
 double_t rint(double_t x)
 {
-  double_t retValue;
+  double_t ret;
 
-/* If the current rounding mode rounds toward negative
- * infinity, rint() is identical to floor().  If the current
- * rounding mode rounds toward positive infinity, rint() is
- * identical to ceil(). */
-#if ((defined(FP_ROUND_POSITIVE)) && (FP_ROUNDING_POSITIVE != 0))
-  retValue = ceil(x);
+  /* If the current rounding mode rounds toward negative
+   * infinity, rint() is identical to floor().  If the current
+   * rounding mode rounds toward positive infinity, rint() is
+   * identical to ceil().
+   */
 
-#elif ((defined(FP_ROUND_NEGATIVE)) && (FP_ROUNDING_NEGATIVE != 0))
-  retValue = floor(x);
+#if defined(CONFIG_FP_ROUND_POSITIVE) && CONFIG_FP_ROUNDING_POSITIVE != 0
+
+  ret = ceil(x);
+
+#elif defined(CONFIG_FP_ROUND_NEGATIVE) && CONFIG_FP_ROUNDING_NEGATIVE != 0
+
+  ret = floor(x);
 
 #else
 
   /* In the default rounding mode (round to nearest), rint(x) is the
    * integer nearest x with the additional stipulation that if
-   * |rint(x)-x|=1/2, then rint(x) is even. */
+   * |rint(x)-x|=1/2, then rint(x) is even.
+   */
 
-  long dwInteger = (long)x;
-  double_t fRemainder = x - (double_t)dwInteger;
+  long     dwinteger  = (long)x;
+  double_t fremainder = x - (double_t)dwinteger;
 
-  if (x < 0.0) {
+  if (x < 0.0)
+    {
+      /* fremainder should be in range 0 .. -1 */
 
-    /* fRemainder should be in range 0 .. -1 */
-    if (fRemainder == -0.5)
-      dwInteger = ((dwInteger+1)&~1);
-    else if (fRemainder < -0.5) {
-      dwInteger--;
+      if (fremainder == -0.5)
+        {
+          dwinteger = ((dwinteger+1)&~1);
+        }
+      else if (fremainder < -0.5)
+        {
+          dwinteger--;
+        }
+    }
+  else
+    {
+      /* fremainder should be in range 0 .. 1 */
 
-    } /* end if */
-  } /* end if */
-  else {
+      if (fremainder == 0.5)
+        {
+          dwinteger = ((dwinteger+1)&~1);
+        }
+      else if (fremainder > 0.5)
+        {
+          dwinteger++;
+        }
+    }
 
-    /* fRemainder should be in range 0 .. 1 */
-    if (fRemainder == 0.5)
-      dwInteger = ((dwInteger+1)&~1);
-    else  if (fRemainder > 0.5) {
-      dwInteger++;
-
-    } /* end if */
-  } /* end else */
-
-  retValue = (double_t)dwInteger;
+  ret = (double_t)dwinteger;
 #endif
 
-  return retValue;
+  return ret;
 }