Update.cvs/libc-ud-970604

1997-06-04 20:57  Ulrich Drepper  <drepper@cygnus.com>

	* manual/string.texi: Add comments to discourage use of index and
	rindex.
	(strtok, strsep): Apply function on copy of the strings in example.
	(l64a): Add example.

	* posix/unistd.h: Correct value for _POSIX_VERSION.

	* sunrpc/Makefile (defines): Remove definition.

	* sysdeps/ieee754/nan.h: Correct typo.

1997-06-04 10:50  Fila Kolodny  <fila@ibi.com>

	* posix/unistd.h: Add definition of __fchdir corresponding to fchdir.

	* login/utmp_daemon.c: Correct location of utmpd.h.

1997-06-03 19:16  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makerules: Rename $(common-objpfx)distinfo-$(subdir) to
	$(objpfx)distinfo.
	* rpm/Makefile (distinfo): Adapted.

1997-06-03 18:32  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* rpm/Makefile (install-slib): Collect shared libraries here
	instead of in install-lib, including libc.
	(instvars): Add slib.

1997-06-03 18:23  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* login/Makefile (libutil-routines): Add updwtmp.

1997-06-03 16:16  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* monetary.h: New file, needed for localedata/tst-fmon.c.

1997-06-02 20:31  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* math/libm-test.c (cpow_test): Add epsilon for long double in
	test for 2^10.
	(identities): Add epsilon for float in second identity test.

	* sysdeps/m68k/huge_val.h: Change GCC's HUGE_VAL{,F,L} to use
	DI and SI mode integers instead of bytes.  Fix value of HUGE_VALL.

	* sysdeps/m68k/nan.h: New file.

	* sysdeps/m68k/fpu/__math.h (isgreater, isgreaterequal, isless,
	islessequal, islessgreater, isunordered): Fix assembler syntax.

	* sysdeps/m68k/fpu/fraiseexcpt.c: Do it right so that gcc doesn't
	optimize out the operations.

	* sysdeps/libm-ieee754/s_nan.c: Use NaN macro instead of static
	constant.
	* sysdeps/libm-ieee754/s_nanf.c: Likewise.
	* sysdeps/libm-ieee754/s_nanl.c: Likewise.

	* math/carg.c [NO_LONG_DOUBLE]: Add alias for long double
	function.
	* sysdeps/libm-ieee754/s_erf.c: Likewise.
	* sysdeps/libm-ieee754/s_fdim.c: Likewise.
	* sysdeps/libm-ieee754/s_fmax.c: Likewise.
	* sysdeps/libm-ieee754/s_fmin.c: Likewise.
	* sysdeps/libm-ieee754/s_log2.c: Likewise.
	* sysdeps/libm-ieee754/s_nan.c: Likewise.
	* sysdeps/libm-ieee754/s_remquo.c: Likewise.

24 files changed, 346 insertions, 104 deletions

diff --git a/ChangeLog b/ChangeLog
index cb8400e278..0d9a0825a7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,74 @@
+1997-06-04 20:57  Ulrich Drepper  <drepper@cygnus.com>
+
+	* manual/string.texi: Add comments to discourage use of index and
+	rindex.
+	(strtok, strsep): Apply function on copy of the strings in example.
+	(l64a): Add example.
+
+	* posix/unistd.h: Correct value for _POSIX_VERSION.
+
+	* sunrpc/Makefile (defines): Remove definition.
+
+	* sysdeps/ieee754/nan.h: Correct typo.
+
+1997-06-04 10:50  Fila Kolodny  <fila@ibi.com>
+
+	* posix/unistd.h: Add definition of __fchdir corresponding to fchdir.
+
+	* login/utmp_daemon.c: Correct location of utmpd.h.
+
+1997-06-03 19:16  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
+
+	* Makerules: Rename $(common-objpfx)distinfo-$(subdir) to
+	$(objpfx)distinfo.
+	* rpm/Makefile (distinfo): Adapted.
+
+1997-06-03 18:32  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
+
+	* rpm/Makefile (install-slib): Collect shared libraries here
+	instead of in install-lib, including libc.
+	(instvars): Add slib.
+
+1997-06-03 18:23  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
+
+	* login/Makefile (libutil-routines): Add updwtmp.
+
+1997-06-03 16:16  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
+
+	* monetary.h: New file, needed for localedata/tst-fmon.c.
+
+1997-06-02 20:31  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
+
+	* math/libm-test.c (cpow_test): Add epsilon for long double in
+	test for 2^10.
+	(identities): Add epsilon for float in second identity test.
+
+	* sysdeps/m68k/huge_val.h: Change GCC's HUGE_VAL{,F,L} to use
+	DI and SI mode integers instead of bytes.  Fix value of HUGE_VALL.
+
+	* sysdeps/m68k/nan.h: New file.
+
+	* sysdeps/m68k/fpu/__math.h (isgreater, isgreaterequal, isless,
+	islessequal, islessgreater, isunordered): Fix assembler syntax.
+
+	* sysdeps/m68k/fpu/fraiseexcpt.c: Do it right so that gcc doesn't
+	optimize out the operations.
+
+	* sysdeps/libm-ieee754/s_nan.c: Use NaN macro instead of static
+	constant.
+	* sysdeps/libm-ieee754/s_nanf.c: Likewise.
+	* sysdeps/libm-ieee754/s_nanl.c: Likewise.
+
+	* math/carg.c [NO_LONG_DOUBLE]: Add alias for long double
+	function.
+	* sysdeps/libm-ieee754/s_erf.c: Likewise.
+	* sysdeps/libm-ieee754/s_fdim.c: Likewise.
+	* sysdeps/libm-ieee754/s_fmax.c: Likewise.
+	* sysdeps/libm-ieee754/s_fmin.c: Likewise.
+	* sysdeps/libm-ieee754/s_log2.c: Likewise.
+	* sysdeps/libm-ieee754/s_nan.c: Likewise.
+	* sysdeps/libm-ieee754/s_remquo.c: Likewise.
+
 1997-06-03 23:42  Ulrich Drepper  <drepper@cygnus.com>
 
 	* elf/dl-support.c: Define and initialize _dl_verbose used in
diff --git a/Makerules b/Makerules
index 31b965f3d7..dc3f652113 100644
--- a/Makerules
+++ b/Makerules
@@ -836,10 +836,10 @@ ALL_BUILD_CFLAGS = $(BUILD_CFLAGS) -include $(..)config.h
 check: tests
 
 .PHONY: TAGS
-TAGS: $(common-objpfx)distinfo-$(subdir) $(..)MakeTAGS
+TAGS: $(objpfx)distinfo $(..)MakeTAGS
 	$(MAKE) $(addprefix -f ,$^) $@
 
-$(..)po/%.pot: $(common-objpfx)distinfo-$(subdir) $(..)MakeTAGS FORCE
+$(..)po/%.pot: $(objpfx)distinfo $(..)MakeTAGS FORCE
 	$(MAKE) $(addprefix -f ,$(filter-out FORCE,$^)) $@
 FORCE:
 
@@ -874,7 +874,7 @@ common-clean: common-mostlyclean
 	-rm -f $(addprefix $(objpfx),$(generated)) $(+depfiles)
 	-rm -fr $(addprefix $(objpfx),$(generated-dirs))
 	-rm -f $(addprefix $(common-objpfx),$(common-generated))
-	-rm -f $(common-objpfx)distinfo-$(subdir)
+	-rm -f $(objpfx)distinfo
 
 # Produce a file `stub-$(subdir)' which contains `#define __stub_FUNCTION'
 # for each function which is a stub.  We grovel over all the .d files
@@ -897,7 +897,7 @@ $(common-objpfx)stub-$(subdir): $(+depfiles)
 # Make the distribution tar file.
 
 .PHONY: dist
-dist: $(common-objpfx)distinfo-$(subdir) $(..)Make-dist
+dist: $(objpfx)distinfo $(..)Make-dist
 	$(MAKE) -f $< -f $(word 2,$^) $(Make-dist-args)
 
 # Avoid depending on source files found in sysdeps dirs,
@@ -908,14 +908,12 @@ dist: $(filter-out %.c %.S %.s,$(distribute))
 # environment get too large.  Instead, we write all the information into
 # a generated makefile fragment `distinfo', and then include it with -f in
 # the sub-make that makes the distribution (above).
-$(common-objpfx)distinfo-$(subdir): Makefile $(..)Makerules \
-				    $(wildcard $(foreach dir,$(sysdirs),\
-						         $(dir)/Makefile))
+$(objpfx)distinfo: Makefile $(..)Makerules \
+		   $(wildcard $(foreach dir,$(sysdirs),$(dir)/Makefile))
 	$(distinfo-vars)
 	mv -f $@.new $@
-.PHONY: subdir_distinfo distinfo
-subdir_distinfo: distinfo
-distinfo: $(common-objpfx)distinfo-$(subdir)
+.PHONY: subdir_distinfo
+subdir_distinfo: $(objpfx)distinfo
 
 define distinfo-vars
 rm -f $@.new
diff --git a/login/Makefile b/login/Makefile
index 05913ee337..a94c5cb14d 100644
--- a/login/Makefile
+++ b/login/Makefile
@@ -42,7 +42,7 @@ vpath %.c programs
 extra-libs      := libutil
 extra-libs-others := $(extra-libs)
 
-libutil-routines:= login login_tty logout logwtmp pty
+libutil-routines:= login login_tty logout logwtmp pty updwtmp
 
 include ../Rules
 
diff --git a/login/utmp_daemon.c b/login/utmp_daemon.c
index edaade1eff..9e02f24524 100644
--- a/login/utmp_daemon.c
+++ b/login/utmp_daemon.c
@@ -27,7 +27,7 @@
 #include <utmp.h>
 
 #include "utmp-private.h"
-#include "utmpd/utmpd.h"
+#include "programs/utmpd.h"
 
 #ifndef _LIBC
 #define __set_errno(val) errno = (val)
diff --git a/manual/string.texi b/manual/string.texi
index af95925a14..cb9f5412f8 100644
--- a/manual/string.texi
+++ b/manual/string.texi
@@ -890,6 +890,9 @@ specifying a null character as the value of the @var{c} argument.
 @comment BSD
 @deftypefun {char *} index (const char *@var{string}, int @var{c})
 @code{index} is another name for @code{strchr}; they are exactly the same.
+New code should always use @code{strchr} since this name is defined in
+@w{ISO C} while @code{index} is a BSD invention which never was available
+on @w{System V} derived systems.
 @end deftypefun
 
 @comment string.h
@@ -910,6 +913,9 @@ strrchr ("hello, world", 'l')
 @comment BSD
 @deftypefun {char *} rindex (const char *@var{string}, int @var{c})
 @code{rindex} is another name for @code{strrchr}; they are exactly the same.
+New code should always use @code{strrchr} since this name is defined in
+@w{ISO C} while @code{rindex} is a BSD invention which never was available
+on @w{System V} derived systems.
 @end deftypefun
 
 @comment string.h
@@ -1067,13 +1073,14 @@ Here is a simple example showing the use of @code{strtok}.
 
 @dots{}
 
-char string[] = "words separated by spaces -- and, punctuation!";
+const char string[] = "words separated by spaces -- and, punctuation!";
 const char delimiters[] = " .,;:!-";
-char *token;
+char *token, *cp;
 
 @dots{}
 
-token = strtok (string, delimiters);  /* token => "words" */
+cp = strdupa (string);                /* Make writable copy.  */
+token = strtok (cp, delimiters);      /* token => "words" */
 token = strtok (NULL, delimiters);    /* token => "separated" */
 token = strtok (NULL, delimiters);    /* token => "by" */
 token = strtok (NULL, delimiters);    /* token => "spaces" */
@@ -1097,7 +1104,7 @@ pointer.  Calling @code{strtok_r} with a null pointer for
 @var{newstring} and leaving @var{save_ptr} between the calls unchanged
 does the job without limiting reentrancy.
 
-This function was proposed for POSIX.1b and can be found on many systems
+This function is defined in POSIX-1 and can be found on many systems
 which support multi-threading.
 @end deftypefun
 
@@ -1123,14 +1130,14 @@ Here is how the above example looks like when @code{strsep} is used.
 
 @dots{}
 
-char string[] = "words separated by spaces -- and, punctuation!";
+const char string[] = "words separated by spaces -- and, punctuation!";
 const char delimiters[] = " .,;:!-";
 char *running;
 char *token;
 
 @dots{}
 
-running = string;
+running = strdupa (string);
 token = strsep (&running, delimiters);    /* token => "words" */
 token = strsep (&running, delimiters);    /* token => "separated" */
 token = strsep (&running, delimiters);    /* token => "by" */
@@ -1180,13 +1187,66 @@ The function returns a pointer to a static buffer which contains the
 string representing of the encoding of @var{n}.  To encoded a series of
 bytes the use should append the new string to the destination buffer.
 @emph{Warning:} Since a static buffer is used this function should not
-be used in multi-threaded programs.  There is no thread-safe alternatice
+be used in multi-threaded programs.  There is no thread-safe alternative
 to this function in the C library.
 @end deftypefun
 
+Alone the @code{l64a} function is not usable.  To encode arbitrary
+sequences of bytes one needs some more code and this could look like
+this:
+
+@smallexample
+char *
+encode (const void *buf, size_t len)
+@{
+  /* @r{We know in advance how long the buffer has to be.} */
+  unsigned char *in = (unsigned char *) buf;
+  char *out = malloc (6 + ((len + 3) / 4) * 6 + 1);
+  char *cp = out;
+
+  /* @r{Encode the length.} */
+  memcpy (cp, l64a (len), 6);
+  cp += 6;
+
+  while (len > 3)
+    @{
+      unsigned long int n = *in++;
+      n = (n << 8) | *in++;
+      n = (n << 8) | *in++;
+      n = (n << 8) | *in++;
+      len -= 4;
+      /* @r{Using `htonl' is necessary so that the data can be}
+         @r{decoded even on machines with different byte order.} */
+      memcpy (cp, l64a (htonl (n)), 6);
+      cp += 6;
+    @}
+  if (len > 0)
+    @{
+      unsigned long int n = *in++;
+      if (--len > 0)
+        @{
+          n = (n << 8) | *in++;
+          if (--len > 0)
+            n = (n << 8) | *in;
+        @}
+      memcpy (cp, l64a (htonl (n)), 6);
+      cp += 6;
+    @}
+  *cp = '\0';
+  return out;
+@}
+@end smallexample
+
+It is strange that the library does not provide the complete
+functionality needed but so be it.  There are some other encoding
+methods which are much more widely used (UU encoding, Base64 encoding).
+Generally, it is better to use one of these encodings.
+
 To decode data produced with @code{l64a} the following function should be
 used.
 
+@comment stdlib.h
+@comment XPG
 @deftypefun {long int} a64l (const char *@var{string})
 The parameter @var{string} should contain a string which was produced by
 a call to @code{l64a}.  The function processes the next 6 characters and
@@ -1205,17 +1265,17 @@ characters.
 @node Argz and Envz Vectors
 @section Argz and Envz Vectors
 
-@cindex argz vectors
+@cindex argz vectors (string vectors)
 @cindex string vectors, null-character separated
 @cindex argument vectors, null-character separated
 @dfn{argz vectors} are vectors of strings in a contiguous block of
 memory, each element separated from its neighbors by null-characters
 (@code{'\0'}).
 
-@cindex envz vectors
+@cindex envz vectors (environment vectors)
 @cindex environment vectors, null-character separated
 @dfn{Envz vectors} are an extension of argz vectors where each element is a
-name-value pair, separated by a @code{'='} character (as in a unix
+name-value pair, separated by a @code{'='} character (as in a Unix
 environment).
 
 @menu
@@ -1247,13 +1307,17 @@ allocation error occurs.
 @pindex argz.h
 These functions are declared in the standard include file @file{argz.h}.
 
+@comment argz.h
+@comment GNU
 @deftypefun {error_t} argz_create (char *const @var{argv}[], char **@var{argz}, size_t *@var{argz_len})
-The @code{argz_create} function converts the unix-style argument vector
+The @code{argz_create} function converts the Unix-style argument vector
 @var{argv} (a vector of pointers to normal C strings, terminated by
 @code{(char *)0}; @pxref{Program Arguments}) into an argz vector with
 the same elements, which is returned in @var{argz} and @var{argz_len}.
 @end deftypefun
 
+@comment argz.h
+@comment GNU
 @deftypefun {error_t} argz_create_sep (const char *@var{string}, int @var{sep}, char **@var{argz}, size_t *@var{argz_len})
 The @code{argz_create_sep} function converts the null-terminated string
 @var{string} into an argz vector (returned in @var{argz} and
@@ -1261,14 +1325,18 @@ The @code{argz_create_sep} function converts the null-terminated string
 character @var{sep}.
 @end deftypefun
 
+@comment argz.h
+@comment GNU
 @deftypefun {size_t} argz_count (const char *@var{argz}, size_t @var{arg_len})
 Returns the number of elements in the argz vector @var{argz} and
 @var{argz_len}.
 @end deftypefun
 
+@comment argz.h
+@comment GNU
 @deftypefun {void} argz_extract (char *@var{argz}, size_t @var{argz_len}, char **@var{argv})
 The @code{argz_extract} function converts the argz vector @var{argz} and
-@var{argz_len} into a unix-style argument vector stored in @var{argv},
+@var{argz_len} into a Unix-style argument vector stored in @var{argv},
 by putting pointers to every element in @var{argz} into successive
 positions in @var{argv}, followed by a terminator of @code{0}.
 @var{Argv} must be pre-allocated with enough space to hold all the
@@ -1281,6 +1349,8 @@ still active.  This function is useful for passing the elements in
 @var{argz} to an exec function (@pxref{Executing a File}).
 @end deftypefun
 
+@comment argz.h
+@comment GNU
 @deftypefun {void} argz_stringify (char *@var{argz}, size_t @var{len}, int @var{sep})
 The @code{argz_stringify} converts @var{argz} into a normal string with
 the elements separated by the character @var{sep}, by replacing each
@@ -1289,20 +1359,26 @@ string) with @var{sep}.  This is handy for printing @var{argz} in a
 readable manner.
 @end deftypefun
 
+@comment argz.h
+@comment GNU
 @deftypefun {error_t} argz_add (char **@var{argz}, size_t *@var{argz_len}, const char *@var{str})
 The @code{argz_add} function adds the string @var{str} to the end of the
 argz vector @code{*@var{argz}}, and updates @code{*@var{argz}} and
 @code{*@var{argz_len}} accordingly.
 @end deftypefun
 
+@comment argz.h
+@comment GNU
 @deftypefun {error_t} argz_add_sep (char **@var{argz}, size_t *@var{argz_len}, const char *@var{str}, int @var{delim})
 The @code{argz_add_sep} function is similar to @code{argz_add}, but
 @var{str} is split into separate elements in the result at occurances of
 the character @var{delim}.  This is useful, for instance, for
-adding the components of a unix search path to an argz vector, by using
+adding the components of a Unix search path to an argz vector, by using
 a value of @code{':'} for @var{delim}.
 @end deftypefun
 
+@comment argz.h
+@comment GNU
 @deftypefun {error_t} argz_append (char **@var{argz}, size_t *@var{argz_len}, const char *@var{buf}, size_t @var{buf_len})
 The @code{argz_append} function appends @var{buf_len} bytes starting at
 @var{buf} to the argz vector @code{*@var{argz}}, reallocating
@@ -1310,6 +1386,8 @@ The @code{argz_append} function appends @var{buf_len} bytes starting at
 @code{*@var{argz_len}}.
 @end deftypefun
 
+@comment argz.h
+@comment GNU
 @deftypefun {error_t} argz_delete (char **@var{argz}, size_t *@var{argz_len}, char *@var{entry})
 If @var{entry} points to the beginning of one of the elements in the
 argz vector @code{*@var{argz}}, the @code{argz_delete} function will
@@ -1319,6 +1397,8 @@ destructive argz functions usually reallocate their argz argument,
 pointers into argz vectors such as @var{entry} will then become invalid.
 @end deftypefun
 
+@comment argz.h
+@comment GNU
 @deftypefun {error_t} argz_insert (char **@var{argz}, size_t *@var{argz_len}, char *@var{before}, const char *@var{entry})
 The @code{argz_insert} function inserts the string @var{entry} into the
 argz vector @code{*@var{argz}} at a point just before the existing
@@ -1330,6 +1410,8 @@ is @code{0}, @var{entry} is added to the end instead (as if by
 @var{before} will result in @var{entry} being inserted at the beginning.
 @end deftypefun
 
+@comment argz.h
+@comment GNU
 @deftypefun {char *} argz_next (char *@var{argz}, size_t @var{argz_len}, const char *@var{entry})
 The @code{argz_next} function provides a convenient way of iterating
 over the elements in the argz vector @var{argz}.  It returns a pointer
@@ -1387,6 +1469,8 @@ fail) have a return type of @code{error_t}, and return either @code{0} or
 @pindex envz.h
 These functions are declared in the standard include file @file{envz.h}.
 
+@comment envz.h
+@comment GNU
 @deftypefun {char *} envz_entry (const char *@var{envz}, size_t @var{envz_len}, const char *@var{name})
 The @code{envz_entry} function finds the entry in @var{envz} with the name
 @var{name}, and returns a pointer to the whole entry---that is, the argz
@@ -1394,6 +1478,8 @@ element which begins with @var{name} followed by a @code{'='} character.  If
 there is no entry with that name, @code{0} is returned.
 @end deftypefun
 
+@comment envz.h
+@comment GNU
 @deftypefun {char *} envz_get (const char *@var{envz}, size_t @var{envz_len}, const char *@var{name})
 The @code{envz_get} function finds the entry in @var{envz} with the name
 @var{name} (like @code{envz_entry}), and returns a pointer to the value
@@ -1401,6 +1487,8 @@ portion of that entry (following the @code{'='}).  If there is no entry with
 that name (or only a null entry), @code{0} is returned.
 @end deftypefun
 
+@comment envz.h
+@comment GNU
 @deftypefun {error_t} envz_add (char **@var{envz}, size_t *@var{envz_len}, const char *@var{name}, const char *@var{value})
 The @code{envz_add} function adds an entry to @code{*@var{envz}}
 (updating @code{*@var{envz}} and @code{*@var{envz_len}}) with the name
@@ -1410,6 +1498,8 @@ already exists in @var{envz}, it is removed first.  If @var{value} is
 (mentioned above).
 @end deftypefun
 
+@comment envz.h
+@comment GNU
 @deftypefun {error_t} envz_merge (char **@var{envz}, size_t *@var{envz_len}, const char *@var{envz2}, size_t @var{envz2_len}, int @var{override})
 The @code{envz_merge} function adds each entry in @var{envz2} to @var{envz},
 as if with @code{envz_add}, updating @code{*@var{envz}} and
@@ -1421,6 +1511,8 @@ entry in @var{envz} can prevent an entry of the same name in @var{envz2} from
 being added to @var{envz}, if @var{override} is false.
 @end deftypefun
 
+@comment envz.h
+@comment GNU
 @deftypefun {void} envz_strip (char **@var{envz}, size_t *@var{envz_len})
 The @code{envz_strip} function removes any null entries from @var{envz},
 updating @code{*@var{envz}} and @code{*@var{envz_len}}.
diff --git a/math/carg.c b/math/carg.c
index fb4dc8e52e..c977a39ebc 100644
--- a/math/carg.c
+++ b/math/carg.c
@@ -27,3 +27,7 @@ __carg (__complex__ double x)
   return __atan2 (__imag__ x, __real__ x);
 }
 weak_alias (__carg, carg)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__carg, __cargl)
+weak_alias (__carg, cargl)
+#endif
diff --git a/math/libm-test.c b/math/libm-test.c
index 866313e963..b66371c212 100644
--- a/math/libm-test.c
+++ b/math/libm-test.c
@@ -3915,7 +3915,8 @@ cpow_test (void)
   check ("imag(cpow (1 + i0), (0 + i0)) = 0", __imag__ result, 0);
 
   result = FUNC (cpow) (BUILD_COMPLEX (2, 0), BUILD_COMPLEX (10, 0));
-  check ("real(cpow (2 + i0), (10 + i0)) = 1024", __real__ result, 1024);
+  check_eps ("real(cpow (2 + i0), (10 + i0)) = 1024", __real__ result, 1024,
+	     CHOOSE (2e-16L, 0, 0));
   check ("imag(cpow (2 + i0), (10 + i0)) = 0", __imag__ result, 0);
 
 }
@@ -4158,7 +4159,7 @@ static void
 identities (void)
 {
   identities1_test (0.2L, CHOOSE (1e-18L, 0, 2e-7));
-  identities1_test (0.9L, CHOOSE (1e-18L, 0, 0));
+  identities1_test (0.9L, CHOOSE (1e-18L, 0, 1e-7));
   identities1_test (0, 0);
   identities1_test (-1, CHOOSE (1e-18L, 0, 1e-7));
 
diff --git a/posix/unistd.h b/posix/unistd.h
index 868e7a48e0..b550d2c6f4 100644
--- a/posix/unistd.h
+++ b/posix/unistd.h
@@ -30,14 +30,15 @@ __BEGIN_DECLS
 /* These may be used to determine what facilities are present at compile time.
    Their values can be obtained at run time from `sysconf'.  */
 
-/* POSIX Standard approved as IEEE Std 1003.1 as of August, 1988 and
-   extended by P1003.1b (aka POSIX.4).  */
-#define	_POSIX_VERSION	199309L
+/* POSIX Standard approved as ISO/IEC 9945-1 as of August, 1988 and
+   extended by POSIX-1b (aka POSIX-4) and POSIX-1c (aka POSIX threads).  */
+#define	_POSIX_VERSION	199506L
 
 /* These are not #ifdef __USE_POSIX2 because they are
    in the theoretically application-owned namespace.  */
 
-#define	_POSIX2_C_VERSION	199209L	/* Invalid until 1003.2 is done.  */
+/* POSIX Standard approved as ISO/IEC 9945-2 as of December, 1993.  */
+#define	_POSIX2_C_VERSION	199209L
 
 /* If defined, the implementation supports the
    C Language Bindings Option.  */
@@ -287,6 +288,7 @@ extern int chdir __P ((__const char *__path));
 
 #if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
 /* Change the process's working directory to the one FD is open on.  */
+extern int __fchdir __P ((int __fd));
 extern int fchdir __P ((int __fd));
 #endif
 
diff --git a/rpm/Makefile b/rpm/Makefile
index 22544506f6..b83b8ea9e9 100644
--- a/rpm/Makefile
+++ b/rpm/Makefile
@@ -9,8 +9,8 @@ include ../Makeconfig
 include $(common-objpfx)soversions.mk
 include $(common-objpfx)version.mk
 
-distinfo := $(common-objpfx)distinfo- \
-	    $(wildcard $(subdirs:%=$(common-objpfx)distinfo-%))
+distinfo := $(common-objpfx)distinfo \
+	    $(wildcard $(subdirs:%=$(common-objpfx)%/distinfo))
 -include $(distinfo)
 
 config = $(config-machine)-$(config-vendor)-$(config-os)
@@ -32,14 +32,15 @@ install-others := $(-install-others) \
 install-sysconf := $(filter $(sysconfdir)/%,$(install-others))
 install-others := $(filter-out $(sysconfdir)/%,$(install-others))
 
-# Add the unversioned lib*.so's to install-lib.
-install-lib += $(install-lib.so)
+# Add the unversioned lib*.so's.
+install-slib = $(install-lib.so)
 
-# For each versioned lib*.so, add three files:
-#   lib*-VERSION.so, lib*.so.MAJOR, and lib*.so
-install-lib += $(foreach lib,$(versioned),\
-			 $(patsubst %.so,%-$(version).so,$(lib)) \
-			 $(lib)$($(lib)-version) $(lib))
+# For each versioned lib*.so, add two files:
+#   lib*-VERSION.so and lib*.so.MAJOR
+install-slib += $(foreach lib,$(versioned),\
+			  $(patsubst %.so,%-$(version).so,$(lib)) \
+			  $(lib)$($(lib)-version))
+install-lib += $(versioned)
 
 # Add libc.a and libc_p.a.
 install-lib += $(foreach o,$(filter-out .so,$(object-suffixes)),\
@@ -48,18 +49,17 @@ install-lib += $(foreach o,$(filter-out .so,$(object-suffixes)),\
 ifeq (yes,$(build-shared))
 # Add libc.so itself, which is a special case in Makerules.
 ifndef libc.so-version
-install-others += $(slibdir)/libc.so
+install-slib += libc.so
 else
-install-others += $(libdir)/libc.so \
-		  $(slibdir)/libc-$(version).so \
-		  $(slibdir)/libc.so$(libc.so-version)
+install-lib += libc.so
+install-slib += libc-$(version).so libc.so$(libc.so-version)
 endif
 endif
 
 
 all: glibc-$(version).$(config).rpm
 
-instvars = include lib bin sbin data others
+instvars = include lib slib bin sbin data others
 
 # Generate the rpm spec file for this configuration.
 $(config): template $(distinfo) Makefile
diff --git a/sunrpc/Makefile b/sunrpc/Makefile
index 5effc5ecbe..b5ed91dc3f 100644
--- a/sunrpc/Makefile
+++ b/sunrpc/Makefile
@@ -124,8 +124,6 @@ $(inst_includedir)/rpcsvc/bootparam_prot.h: \
 # Install the rpc data base file.
 $(inst_sysconfdir)/rpc: etc.rpc
 	$(do-install)
-
-defines := $(defines) -D_PATH_RPC='"$(sysconfdir)/rpc"'
 
 # Generate the rpcsvc headers with rpcgen.
 # We use a stamp file to avoid unnessary recompilation each time rpcgen is
diff --git a/sysdeps/ieee754/nan.h b/sysdeps/ieee754/nan.h
index d4e6842562..499edbac8c 100644
--- a/sysdeps/ieee754/nan.h
+++ b/sysdeps/ieee754/nan.h
@@ -32,7 +32,7 @@
 
 #define NANF                                                                \
   (__extension__                                                            \
-   ((union { unsigned __l __attribute__((__mode__(__SI__))); flaot __d; })  \
+   ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; })  \
     { __l: 0x7fc00000UL }).__d)
 
 #else
diff --git a/sysdeps/libm-ieee754/s_erf.c b/sysdeps/libm-ieee754/s_erf.c
index 022cf11abe..f64f0fcefd 100644
--- a/sysdeps/libm-ieee754/s_erf.c
+++ b/sysdeps/libm-ieee754/s_erf.c
@@ -247,6 +247,10 @@ sb7  = -2.24409524465858183362e+01; /* 0xC03670E2, 0x42712D62 */
 	if(hx>=0) return one-r/x; else return  r/x-one;
 }
 weak_alias (__erf, erf)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__erf, __erfl)
+weak_alias (__erf, erfl)
+#endif
 
 #ifdef __STDC__
 	double __erfc(double x)
diff --git a/sysdeps/libm-ieee754/s_fdim.c b/sysdeps/libm-ieee754/s_fdim.c
index cdd7886068..b45c413cb8 100644
--- a/sysdeps/libm-ieee754/s_fdim.c
+++ b/sysdeps/libm-ieee754/s_fdim.c
@@ -34,3 +34,7 @@ __fdim (double x, double y)
   return x < y ? 0 : x - y;
 }
 weak_alias (__fdim, fdim)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__fdim, __fdiml)
+weak_alias (__fdim, fdiml)
+#endif
diff --git a/sysdeps/libm-ieee754/s_fmax.c b/sysdeps/libm-ieee754/s_fmax.c
index 651def8aac..bc6af7286c 100644
--- a/sysdeps/libm-ieee754/s_fmax.c
+++ b/sysdeps/libm-ieee754/s_fmax.c
@@ -27,3 +27,7 @@ __fmax (double x, double y)
   return (isgreaterequal (x, y) || isnan (y)) ? x : y;
 }
 weak_alias (__fmax, fmax)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__fmax, __fmaxl)
+weak_alias (__fmax, fmaxl)
+#endif
diff --git a/sysdeps/libm-ieee754/s_fmin.c b/sysdeps/libm-ieee754/s_fmin.c
index 2a49a2e069..f9a937c850 100644
--- a/sysdeps/libm-ieee754/s_fmin.c
+++ b/sysdeps/libm-ieee754/s_fmin.c
@@ -27,3 +27,7 @@ __fmin (double x, double y)
   return (islessequal (x, y) || isnan (y)) ? x : y;
 }
 weak_alias (__fmin, fmin)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__fmim, __fminl)
+weak_alias (__fmin, fminl)
+#endif
diff --git a/sysdeps/libm-ieee754/s_log2.c b/sysdeps/libm-ieee754/s_log2.c
index 7950dfa420..46b53cfeff 100644
--- a/sysdeps/libm-ieee754/s_log2.c
+++ b/sysdeps/libm-ieee754/s_log2.c
@@ -129,3 +129,7 @@ static double zero   =  0.0;
 }
 
 weak_alias (__log2, log2)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__log2, __log2l)
+weak_alias (__log2, log2l)
+#endif
diff --git a/sysdeps/libm-ieee754/s_nan.c b/sysdeps/libm-ieee754/s_nan.c
index 1d2319cbd8..ff3b26855f 100644
--- a/sysdeps/libm-ieee754/s_nan.c
+++ b/sysdeps/libm-ieee754/s_nan.c
@@ -28,9 +28,6 @@
 double
 __nan (const char *tagp)
 {
-  static const union ieee754_double nan_value =
-  { ieee: { mantissa1: 0, mantissa0: 0x80000, exponent: 0x7ff, negative: 0 } };
-
   if (tagp[0] != '\0')
     {
       char buf[6 + strlen (tagp)];
@@ -38,6 +35,10 @@ __nan (const char *tagp)
       return strtod (buf, NULL);
     }
 
-  return nan_value.d;
+  return NAN;
 }
 weak_alias (__nan, nan)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__nan, __nanl)
+weak_alias (__nan, nanl)
+#endif
diff --git a/sysdeps/libm-ieee754/s_nanf.c b/sysdeps/libm-ieee754/s_nanf.c
index 56fb9e7e3d..862327aa1e 100644
--- a/sysdeps/libm-ieee754/s_nanf.c
+++ b/sysdeps/libm-ieee754/s_nanf.c
@@ -28,9 +28,6 @@
 float
 __nanf (const char *tagp)
 {
-  static const union ieee754_float nan_value =
-  { ieee: { mantissa: 0x400000, exponent: 0xff, negative: 0 } };
-
   if (tagp[0] != '\0')
     {
       char buf[6 + strlen (tagp)];
@@ -38,6 +35,6 @@ __nanf (const char *tagp)
       return strtof (buf, NULL);
     }
 
-  return nan_value.f;
+  return NANF;
 }
 weak_alias (__nanf, nanf)
diff --git a/sysdeps/libm-ieee754/s_nanl.c b/sysdeps/libm-ieee754/s_nanl.c
index 279e070492..223f95082e 100644
--- a/sysdeps/libm-ieee754/s_nanl.c
+++ b/sysdeps/libm-ieee754/s_nanl.c
@@ -28,10 +28,6 @@
 long double
 __nanl (const char *tagp)
 {
-  static const union ieee854_long_double nan_value =
-  { ieee: { mantissa1: 0, mantissa0: 0xc0000000,
-	    exponent: 0x7fff, negative: 0 } };
-
   if (tagp[0] != '\0')
     {
       char buf[6 + strlen (tagp)];
@@ -39,6 +35,6 @@ __nanl (const char *tagp)
       return strtold (buf, NULL);
     }
 
-  return nan_value.d;
+  return NANL;
 }
 weak_alias (__nanl, nanl)
diff --git a/sysdeps/libm-ieee754/s_remquo.c b/sysdeps/libm-ieee754/s_remquo.c
index 4103155e3f..f0a32130a2 100644
--- a/sysdeps/libm-ieee754/s_remquo.c
+++ b/sysdeps/libm-ieee754/s_remquo.c
@@ -110,3 +110,7 @@ __remquo (double x, double y, int *quo)
   return x;
 }
 weak_alias (__remquo, remquo)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__remquo, __remquol)
+weak_alias (__remquo, remquol)
+#endif
diff --git a/sysdeps/m68k/fpu/__math.h b/sysdeps/m68k/fpu/__math.h
index 5dc4d2e066..fd90a2de1b 100644
--- a/sysdeps/m68k/fpu/__math.h
+++ b/sysdeps/m68k/fpu/__math.h
@@ -414,7 +414,7 @@ __inline_forward(void,sincosl,
 #define isgreater(x, y)					\
    __extension__					\
    ({ char __result;					\
-      __asm__ ("fcmp %2,%1; fsogt %0"			\
+      __asm__ ("fcmp%.x %2,%1; fsogt %0"		\
 	       : "=dm" (__result) : "f" (x), "f" (y));	\
       (int) __result; })
 
@@ -422,7 +422,7 @@ __inline_forward(void,sincosl,
 #define isgreaterequal(x, y)				\
    __extension__					\
    ({ char __result;					\
-      __asm__ ("fcmp %2,%1; fsoge %0"			\
+      __asm__ ("fcmp%.x %2,%1; fsoge %0"		\
 	       : "=dm" (__result) : "f" (x), "f" (y));	\
       (int) __result; })
 
@@ -430,7 +430,7 @@ __inline_forward(void,sincosl,
 #define isless(x, y)					\
    __extension__					\
    ({ char __result;					\
-      __asm__ ("fcmp %2,%1; fsolt %0"			\
+      __asm__ ("fcmp%.x %2,%1; fsolt %0"		\
 	       : "=dm" (__result) : "f" (x), "f" (y));	\
       (int) __result; })
 
@@ -438,7 +438,7 @@ __inline_forward(void,sincosl,
 #define islessequal(x, y)				\
    __extension__					\
    ({ char __result;					\
-      __asm__ ("fcmp %2,%1; fsole %0"			\
+      __asm__ ("fcmp%.x %2,%1; fsole %0"		\
 	       : "=dm" (__result) : "f" (x), "f" (y));	\
       (int) __result; })
 
@@ -446,7 +446,7 @@ __inline_forward(void,sincosl,
 #define islessgreater(x, y)				\
    __extension__					\
    ({ char __result;					\
-      __asm__ ("fcmp %2,%1; fsogl %0"			\
+      __asm__ ("fcmp%.x %2,%1; fsogl %0"		\
 	       : "=dm" (__result) : "f" (x), "f" (y));	\
       (int) __result; })
 
@@ -454,7 +454,7 @@ __inline_forward(void,sincosl,
 #define isunordered(x, y)				\
    __extension__					\
    ({ char __result;					\
-      __asm__ ("fcmp %2,%1; fsun %0"			\
+      __asm__ ("fcmp%.x %2,%1; fsun %0"			\
 	       : "=dm" (__result) : "f" (x), "f" (y));	\
       (int) __result; })
 #endif
diff --git a/sysdeps/m68k/fpu/fraiseexcpt.c b/sysdeps/m68k/fpu/fraiseexcpt.c
index b6ff82760d..51411dd292 100644
--- a/sysdeps/m68k/fpu/fraiseexcpt.c
+++ b/sysdeps/m68k/fpu/fraiseexcpt.c
@@ -34,9 +34,8 @@ feraiseexcept (int excepts)
   if (excepts & FE_INVALID)
     {
       /* One example of a invalid operation is 0 * Infinity.  */
-      double d = 0.0 * HUGE_VAL;
-      /* Now force the exception.  */
-      __asm__ __volatile__ ("fnop" : : "f" (d));
+      double d = HUGE_VAL;
+      __asm__ __volatile__ ("fmul%.s %#0r0,%0; fnop" : "=f" (d) : "0" (d));
     }
 
   /* Next: division by zero.  */
@@ -49,26 +48,21 @@ feraiseexcept (int excepts)
   /* Next: overflow.  */
   if (excepts & FE_OVERFLOW)
     {
-      long double d = LDBL_MAX * LDBL_MAX;
-      /* Now force the exception.  */
-      __asm__ __volatile__ ("fnop" : : "f" (d));
+      long double d = LDBL_MAX;
+      __asm__ __volatile__ ("fmul%.x %0,%0; fnop" : "=f" (d) : "0" (d));
     }
 
   /* Next: underflow.  */
   if (excepts & FE_UNDERFLOW)
     {
-      long double d = LDBL_MIN / 16.0;
-      /* Now force the exception.  */
-      __asm__ __volatile__ ("fnop" : : "f" (d));
+      long double d = LDBL_MIN;
+      __asm__ __volatile__ ("fdiv%.s %#0r16,%0; fnop" : "=f" (d) : "0" (d));
     }
 
   /* Last: inexact.  */
   if (excepts & FE_INEXACT)
     {
-      long double d1, d2 = 1.0;
-      __asm__ __volatile__ ("fmovecr %#0,%0\n\t"
-			    "fdiv%.x %1,%0\n\t"
-			    "fnop"
-			    : "=&f" (d1) : "f" (d2));
+      long double d = 1.0;
+      __asm__ __volatile__ ("fdiv%.s %#0r3,%0; fnop" : "=f" (d) : "0" (d));
     }
 }
diff --git a/sysdeps/m68k/huge_val.h b/sysdeps/m68k/huge_val.h
index 8d45aaec2b..c71454e9a8 100644
--- a/sysdeps/m68k/huge_val.h
+++ b/sysdeps/m68k/huge_val.h
@@ -26,15 +26,19 @@
 
 /* IEEE positive infinity (-HUGE_VAL is negative infinity).  */
 
-#define	__HUGE_VAL_bytes	{ 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 }
-
-#define __huge_val_t	union { unsigned char __c[8]; double __d; }
 #ifdef	__GNUC__
-#define	HUGE_VAL	(__extension__ \
-			 ((__huge_val_t) { __c: __HUGE_VAL_bytes }).__d)
-#else	/* Not GCC.  */
-static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
+
+#define HUGE_VAL					\
+  (__extension__					\
+   ((union { unsigned long long __l; double __d; })	\
+    { __l: 0x7ff0000000000000ULL }).__d)
+
+#else /* not GCC */
+
+static union { unsigned char __c[8]; double __d; } __huge_val =
+  { { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 } };
 #define	HUGE_VAL	(__huge_val.__d)
+
 #endif	/* GCC.  */
 
 
@@ -42,27 +46,28 @@ static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
 
 #ifdef __USE_ISOC9X
 
-#define	__HUGE_VALF_bytes	{ 0x7f, 0x80, 0, 0 }
+#ifdef __GNUC__
 
-#define __huge_valf_t	union { unsigned char __c[4]; float __f; }
-#ifdef	__GNUC__
-#define	HUGE_VALF	(__extension__ \
-			 ((__huge_valf_t) { __c: __HUGE_VALF_bytes }).__f)
-#else	/* Not GCC.  */
-static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
-#define	HUGE_VALF	(__huge_valf.__f)
-#endif	/* GCC.  */
+#define HUGE_VALF					\
+  (__extension__					\
+   ((union { unsigned long __l; float __f; })		\
+    { __l: 0x7f800000UL }).__f)
 
+#define HUGE_VALL					\
+  (__extension__					\
+   ((union { unsigned long __l[3]; long double __ld; })	\
+    { __l: { 0x7fff0000UL, 0x80000000UL, 0UL } }).__ld)
 
-#define	__HUGE_VALL_bytes	{ 0x7f, 0xff, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+#else /* not GCC */
 
-#define __huge_vall_t	union { unsigned char __c[12]; long double __ld; }
-#ifdef	__GNUC__
-#define	HUGE_VALL	(__extension__ \
-			 ((__huge_vall_t) { __c: __HUGE_VALL_bytes }).__ld)
-#else	/* Not GCC.  */
-static __huge_vall_t __huge_vall = { __HUGE_VALL_bytes };
+static union { unsigned char __c[4]; float __f; } __huge_valf =
+  { { 0x7f, 0x80, 0, 0 } };
+#define	HUGE_VALF	(__huge_valf.__f)
+
+static union { unsigned char __c[12]; long double __ld; } __huge_vall =
+  { { 0x7f, 0xff, 0, 0, 0x80, 0, 0, 0, 0, 0, 0, 0 } };
 #define	HUGE_VALL	(__huge_vall.__ld)
+
 #endif	/* GCC.  */
 
 #endif	/* __USE_ISOC9X.  */
diff --git a/sysdeps/m68k/nan.h b/sysdeps/m68k/nan.h
new file mode 100644
index 0000000000..b4efddfe91
--- /dev/null
+++ b/sysdeps/m68k/nan.h
@@ -0,0 +1,59 @@
+/* `NAN' constants for m68k.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef	_NAN_H
+
+#define	_NAN_H	1
+
+/* IEEE Not A Number.  */
+
+#ifdef	__GNUC__
+
+#define NAN							\
+  (__extension__						\
+   ((union { unsigned long long __l; double __d; })		\
+    { __l: 0x7fffffffffffffffULL }).__d)
+
+#define NANF							\
+  (__extension__						\
+   ((union { unsigned long __l; float __f; })			\
+    { __l: 0x7fffffffUL }).__f)
+
+#define NANL							\
+  (__extension__						\
+   ((union { unsigned long __l[3]; long double __ld; })		\
+    { __l: { 0x7fff0000UL, 0xffffffffUL, 0xffffffffUL } }).__ld)
+
+#else
+
+static union { unsigned char __c[8]; double __d; } __nan =
+  { { 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } };
+#define	NAN	(__nan.__d)
+
+static union { unsigned char __c[4]; float __f; } __nanf =
+  { { 0x7f, 0xff, 0xff, 0xff } };
+#define	NANF	(__nanf.__f)
+
+static union { unsigned char __c[12]; long double __ld; } __nanl =
+  { { 0x7f, 0xff, 0, 0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } };
+#define	NANL	(__nanl.__ld)
+
+#endif	/* GCC.  */
+
+#endif	/* nan.h */