* floatformat.c: Add casts to avoid signed/unsigned warnings.

* pexecute.c: Add ATTRIBUTE_UNUSED as needed on Unix.

libiberty/ChangeLog

@@ -1,3 +1,12 @@
+1999-08-03  Ian Lance Taylor  <ian@zembu.com>
+
+	* floatformat.c: Add casts to avoid signed/unsigned warnings.
+	* pexecute.c: Add ATTRIBUTE_UNUSED as needed on Unix.
+
+	* Makefile.in (install_to_libdir): Change $(TARGETLIB).n to
+	$(TARGETLIB)n so it works on MSDOS.
+	(install_to_tooldir): Likewise.
+
 1999-07-21  Ian Lance Taylor  <ian@zembu.com>
 
 	From Mark Elbrecht:

libiberty/floatformat.c

@@ -1,5 +1,5 @@
 /* IEEE floating point support routines, for GDB, the GNU Debugger.
-   Copyright (C) 1991, 1994 Free Software Foundation, Inc.
+   Copyright (C) 1991, 1994, 1999 Free Software Foundation, Inc.
 
 This file is part of GDB.
 
@@ -128,7 +128,7 @@ get_field (data, order, total_len, start, len)
     --cur_byte;
 
   /* Move towards the most significant part of the field.  */
-  while (cur_bitshift < len)
+  while ((unsigned int) cur_bitshift < len)
     {
       if (len - cur_bitshift < FLOATFORMAT_CHAR_BIT)
 	/* This is the last byte; zero out the bits which are not part of
@@ -179,7 +179,7 @@ floatformat_to_double (fmt, from, to)
   mant_off = fmt->man_start;
   dto = 0.0;
 
-  special_exponent = exponent == 0 || exponent == fmt->exp_nan;
+  special_exponent = exponent == 0 || (unsigned long) exponent == fmt->exp_nan;
 
   /* Don't bias zero's, denorms or NaNs.  */
   if (!special_exponent)
@@ -255,7 +255,7 @@ put_field (data, order, total_len, start, len, stuff_to_put)
     --cur_byte;
 
   /* Move towards the most significant part of the field.  */
-  while (cur_bitshift < len)
+  while ((unsigned int) cur_bitshift < len)
     {
       if (len - cur_bitshift < FLOATFORMAT_CHAR_BIT)
 	{
@@ -335,7 +335,7 @@ floatformat_from_double (fmt, from, to)
 	 If we are discarding a zero, we should be (but are not) creating
 	 a denormalized	number which means adjusting the exponent
 	 (I think).  */
-      if (mant_bits_left == fmt->man_len
+      if ((unsigned int) mant_bits_left == fmt->man_len
 	  && fmt->intbit == floatformat_intbit_no)
 	{
 	  mant_long &= 0x7fffffff;

libiberty/pexecute.c

@@ -616,7 +616,7 @@ pexecute (program, argv, this_pname, temp_base, errmsg_fmt, errmsg_arg, flags)
      const char *program;
      char * const *argv;
      const char *this_pname;
-     const char *temp_base;
+     const char *temp_base ATTRIBUTE_UNUSED;
      char **errmsg_fmt, **errmsg_arg;
      int flags;
 {
@@ -723,7 +723,7 @@ int
 pwait (pid, status, flags)
      int pid;
      int *status;
-     int flags;
+     int flags ATTRIBUTE_UNUSED;
 {
   /* ??? Here's an opportunity to canonicalize the values in STATUS.
      Needed?  */