update from main archive 960829cvs/libc-960830

Fri Aug 30 01:26:44 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/i386/Dist: Add close.S.
	* sysdeps/unix/sysv/linux/m68k/Dist: Likewise.
	* sysdeps/unix/sysv/linux/alpha/Dist: Likewise.

	* version.c: Add comment about where to report bugs to.
	* catgets/gencat.c (usage): Likewise.
	* db/makedb.c (usage): Likewise.
	* locale/programs/locale.c (usage): Likewise.
	* locale/programs/localedef.c (usage): Likewise.

	* manual/socket.texi: A little bit better wording.

Thu Aug 29 18:03:06 1996  Ulrich Drepper  <drepper@cygnus.com>

	* Makerules: Make sure directory exists before generating stamp file.
	(BUILD_CFLAGS): Always refer to using $(..).
	* manual/Makefile: Make sure directory exists before generating
 	stamp file.
	(make-target-directory): Add macro definition.
	* sysdeps/generic/Makefile: Make sure directory exists before
 	generating stamp file.

	* Makefile (distribute): Add autolock.sh.  Reported by Fila Kolodny.

Tue Aug 27 10:06:22 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	When compiling in separate directory put objects into
	subdirectories matching the source layout.
	* Makeconfig (objpfx) [ifdef objdir]: Append $(subdir).
	When looking for configparms try in $(common-objpfx).
	Use $(common-objpfx)SUBDIR to find objects from other subdirectory
	builds.
	* Makerules: Add $(objpfx) to vpath list.
	(make-dummy-dep): Use $(common-objpfx) to avoid creating dummy.d
	more than once.  All uses in dependency lists changed.
	(+make-deps): Make target directory.
	(sed-remove-objpfx): Substitute $(common-objpfx).
	(do-ar, build-extra-lib, $(common-objpfx)stub-$(subdir)): Use
	$(objpfx) instead of $(objdir) for cd command.
	(O%-lib): Always find libc relative to $(..).
	(subdir-stamps): Collect stamp files from subdirs.
	(common-mostlyclean): Remove stub file in $(common-objpfx).
	* MakeTAGS ($P/siglist.pot): Find siglist.c in stdio-common.
	* Rules (dep-dummy-lib): Use $(common-objpfx) to avoid creating to
	more than once.
	($(objpfx)dummy.c, $(objpfx)empty.c): Change target name to use
	$(common-objfpx).  All uses in dependency lists changed.
	(generated): Prepend $(..) to names.
	* bare/Makefile ($(objpfx)lib$(config-vendor).a): Remove $(objpfx)
	from $@.
	* nss/Makefile ($(objpfx)libnss_dns.so, $(objpfx)libnss_db.so):
	Use $(common-objpfx) instead of $(..) in dependencies.
	* sysdeps/mach/Makefile (mach-objpfx): Unconditionally use
	$(common-objpfx) instead of $(..) and (objpfx).
	* sysdeps/mach/hurd/Makefile (hurd-objpfx): Likewise.
	(rpath-link): Likewise.
	(rpcuserlibs): Likewise.
	* sysdeps/unix/Makefile [$(subdir) = stdio-common]: Check for
	errlist.c in $(objpfx), not $(common-objpfx).
	($(common-objpfx)s-proto.d): Special rule not covered by pattern
	rule.
	* sysdeps/unix/make-syscalls.sh: Make syscall rules depending on
	s-proto.d in $(common-objpfx), not $(objpfx).

Thu Aug 29 17:45:49 1996  Ulrich Drepper  <drepper@cygnus.com>

	* nss/nsswitch.c (nss_dlerror_run): Free returned error
	string.

Thu Aug 29 15:53:33 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/libm-ieee754/e_acoshl.c: New file. `long double'
 	implementation.
	* sysdeps/libm-ieee754/e_atanhl.c: Likewise.
	* sysdeps/libm-ieee754/e_remainderl.c: Likewise.
	* sysdeps/libm-ieee754/e_scalbl.c: Likewise.
	* sysdeps/libm-ieee754/s_asinhl.c: Likewise.
	* sysdeps/libm-ieee754/s_cosl.c: Likewise.
	* sysdeps/libm-ieee754/s_sinl.c: Likewise.
	* sysdeps/libm-ieee754/s_tanhl.c: Likewise.
	* sysdeps/libm-ieee754/s_tanl.c: Likewise.

	* stdio-common/printf_fp.c (__printf_fp): Use default value '.' if

36 files changed, 999 insertions, 87 deletions

diff --git a/ChangeLog b/ChangeLog
index 079b737c5b..c661e2ddb2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,87 @@
+Fri Aug 30 01:26:44 1996  Ulrich Drepper  <drepper@cygnus.com>
+
+	* sysdeps/unix/sysv/linux/i386/Dist: Add close.S.
+	* sysdeps/unix/sysv/linux/m68k/Dist: Likewise.
+	* sysdeps/unix/sysv/linux/alpha/Dist: Likewise.
+
+	* version.c: Add comment about where to report bugs to.
+	* catgets/gencat.c (usage): Likewise.
+	* db/makedb.c (usage): Likewise.
+	* locale/programs/locale.c (usage): Likewise.
+	* locale/programs/localedef.c (usage): Likewise.
+
+	* manual/socket.texi: A little bit better wording.
+
+Thu Aug 29 18:03:06 1996  Ulrich Drepper  <drepper@cygnus.com>
+
+	* Makerules: Make sure directory exists before generating stamp file.
+	(BUILD_CFLAGS): Always refer to using $(..).
+	* manual/Makefile: Make sure directory exists before generating
+ 	stamp file.
+	(make-target-directory): Add macro definition.
+	* sysdeps/generic/Makefile: Make sure directory exists before
+ 	generating stamp file.
+
+	* Makefile (distribute): Add autolock.sh.  Reported by Fila Kolodny.
+
+Tue Aug 27 10:06:22 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
+
+	When compiling in separate directory put objects into
+	subdirectories matching the source layout.
+	* Makeconfig (objpfx) [ifdef objdir]: Append $(subdir).
+	When looking for configparms try in $(common-objpfx).
+	Use $(common-objpfx)SUBDIR to find objects from other subdirectory
+	builds.
+	* Makerules: Add $(objpfx) to vpath list.
+	(make-dummy-dep): Use $(common-objpfx) to avoid creating dummy.d
+	more than once.  All uses in dependency lists changed.
+	(+make-deps): Make target directory.
+	(sed-remove-objpfx): Substitute $(common-objpfx).
+	(do-ar, build-extra-lib, $(common-objpfx)stub-$(subdir)): Use
+	$(objpfx) instead of $(objdir) for cd command.
+	(O%-lib): Always find libc relative to $(..).
+	(subdir-stamps): Collect stamp files from subdirs.
+	(common-mostlyclean): Remove stub file in $(common-objpfx).
+	* MakeTAGS ($P/siglist.pot): Find siglist.c in stdio-common.
+	* Rules (dep-dummy-lib): Use $(common-objpfx) to avoid creating to
+	more than once.
+	($(objpfx)dummy.c, $(objpfx)empty.c): Change target name to use
+	$(common-objfpx).  All uses in dependency lists changed.
+	(generated): Prepend $(..) to names.
+	* bare/Makefile ($(objpfx)lib$(config-vendor).a): Remove $(objpfx)
+	from $@.
+	* nss/Makefile ($(objpfx)libnss_dns.so, $(objpfx)libnss_db.so):
+	Use $(common-objpfx) instead of $(..) in dependencies.
+	* sysdeps/mach/Makefile (mach-objpfx): Unconditionally use
+	$(common-objpfx) instead of $(..) and (objpfx).
+	* sysdeps/mach/hurd/Makefile (hurd-objpfx): Likewise.
+	(rpath-link): Likewise.
+	(rpcuserlibs): Likewise.
+	* sysdeps/unix/Makefile [$(subdir) = stdio-common]: Check for
+	errlist.c in $(objpfx), not $(common-objpfx).
+	($(common-objpfx)s-proto.d): Special rule not covered by pattern
+	rule.
+	* sysdeps/unix/make-syscalls.sh: Make syscall rules depending on
+	s-proto.d in $(common-objpfx), not $(objpfx).
+
+Thu Aug 29 17:45:49 1996  Ulrich Drepper  <drepper@cygnus.com>
+
+	* nss/nsswitch.c (nss_dlerror_run): Free returned error
+	string.
+
+Thu Aug 29 15:53:33 1996  Ulrich Drepper  <drepper@cygnus.com>
+
+	* sysdeps/libm-ieee754/e_acoshl.c: New file. `long double'
+ 	implementation.
+	* sysdeps/libm-ieee754/e_atanhl.c: Likewise.
+	* sysdeps/libm-ieee754/e_remainderl.c: Likewise.
+	* sysdeps/libm-ieee754/e_scalbl.c: Likewise.
+	* sysdeps/libm-ieee754/s_asinhl.c: Likewise.
+	* sysdeps/libm-ieee754/s_cosl.c: Likewise.
+	* sysdeps/libm-ieee754/s_sinl.c: Likewise.
+	* sysdeps/libm-ieee754/s_tanhl.c: Likewise.
+	* sysdeps/libm-ieee754/s_tanl.c: Likewise.
+
 Thu Aug 29 12:00:30 1996  Thomas Bushnell, n/BSG  <thomas@gnu.ai.mit.edu>
 	
 	* sysdeps/mach/hurd/setitimer.c (setitimer_locked): Correct
@@ -16,7 +100,7 @@ Thu Aug 29 12:00:30 1996  Thomas Bushnell, n/BSG  <thomas@gnu.ai.mit.edu>
 
 Thu Aug 29 00:28:08 1996  Ulrich Drepper  <drepper@cygnus.com>
 
-	* stdio-common/printf_fp.c (__printf_fp): Use default value `.` if
+	* stdio-common/printf_fp.c (__printf_fp): Use default value '.' if
  	`decimal' char is 0.
 
 	* C-numeric.c (not_available): New constant.
diff --git a/MakeTAGS b/MakeTAGS
index bd52497ce3..0e7eecdb4f 100644
--- a/MakeTAGS
+++ b/MakeTAGS
@@ -145,7 +145,7 @@ else
 	$(extract)
 endif
 
-$P/siglist.pot: $(common-objpfx)siglist.c; $(extract)
+$P/siglist.pot: $(common-objpfx)stdio-common/siglist.c; $(extract)
 
 # Extract all strings from this file; its strings are not marked.
 # Their surroundings are also not interesting.
diff --git a/Makeconfig b/Makeconfig
index 413a2537e2..d3d7890903 100644
--- a/Makeconfig
+++ b/Makeconfig
@@ -59,8 +59,8 @@ endif
 # $(common-objdir) is the place to put objects and
 # such that are not specific to a single subdir.
 ifdef objdir
-objpfx = $(objdir)/
-common-objpfx = $(objpfx)
+objpfx := $(patsubst %//,%/,$(objdir)/$(subdir)/)
+common-objpfx = $(objdir)/
 common-objdir = $(objdir)
 else
 objpfx :=
@@ -110,8 +110,8 @@ ifneq ($(wildcard $(..)configparms),)
 include $(..)configparms
 endif
 ifneq ($(objpfx),)
-ifneq ($(wildcard $(objpfx)configparms),)
-include $(objpfx)configparms
+ifneq ($(wildcard $(common-objpfx)configparms),)
+include $(common-objpfx)configparms
 endif
 endif
 
@@ -325,7 +325,7 @@ default-rpath = $(libdir)
 endif
 # This is how to find at build-time things that will be installed there.
 rpath-link = $(common-objdir):$(elfobjdir):$(nssobjdir)
-nssobjdir := $(firstword $(objdir) $(patsubst ../$(subdir),.,$(..)nss))
+nssobjdir := $(patsubst ../$(subdir),.,$(common-objpfx)nss)
 else
 link-libc = $(common-objpfx)libc.a $(gnulib) $(common-objpfx)libc.a
 endif
@@ -337,13 +337,8 @@ ifeq ($(elf),yes)
 +preinit = $(addprefix $(csu-objpfx),crti.o)
 +postinit = $(addprefix $(csu-objpfx),crtn.o)
 endif
-ifdef objpfx
-csu-objpfx = $(objpfx)
-elf-objpfx = $(objpfx)
-else
-csu-objpfx = $(..)csu/
-elf-objpfx = $(..)elf/
-endif
+csu-objpfx = $(common-objpfx)csu/
+elf-objpfx = $(common-objpfx)elf/
 
 ifeq (yes,$(build-shared))
 # The name under which the run-time dynamic linker is installed.
diff --git a/Makefile b/Makefile
index 6f4511a8e6..d269a9f494 100644
--- a/Makefile
+++ b/Makefile
@@ -231,7 +231,7 @@ distribute  := README INSTALL FAQ NOTES NEWS PROJECTS			\
 	       ansidecl.h mkinstalldirs move-if-change install-sh	\
 	       configure configure.in aclocal.m4 config.sub config.guess\
 	       config.h.in config.make.in config-name.in Makefile.in	\
-	       munch-tmpl.c munch.awk \
+	       autolock.sh munch-tmpl.c munch.awk \
 	       sysdep.h set-hooks.h libc-symbols.h version.h shlib-versions \
 	       rpm/Makefile rpm/template rpm/rpmrc
 
diff --git a/Makerules b/Makerules
index ede97c8f31..c0afa63034 100644
--- a/Makerules
+++ b/Makerules
@@ -85,7 +85,7 @@ endif
 # This is here so things in sysdep Makefiles can easily depend on foo.h as
 # appropriate and not worry about where foo.h comes from, which may be
 # system dependent and not known by that Makefile.
-vpath %.h $(subst $(empty) ,:,$(strip $(common-objpfx) \
+vpath %.h $(subst $(empty) ,:,$(strip $(common-objpfx) $(objpfx) \
 				      $(addprefix $(sysdep_dir)/,$(sysdirs)) \
 				      $(..)))
 
@@ -150,9 +150,9 @@ endif
 # have source in .s files, and thus do not in fact need a .d file.
 # So we must define rules to make .d files for .s files.
 define make-dummy-dep
-$(addprefix ln $(objpfx)dummy.d ,$(filter-out $(wildcard $@),$@))
+$(addprefix ln $(common-objpfx)dummy.d ,$(filter-out $(wildcard $@),$@))
 endef
-$(objpfx)dummy.d:
+$(common-objpfx)dummy.d:
 	echo '# .s files cannot contain includes, so they need no deps.' > $@
 
 # It matters that this set of rules, for compiling from sources in
@@ -169,7 +169,7 @@ $(objpfx)%.o: %.s $(before-compile); $(compile-command.s)
 $(objpfx)%.so: %.s $(before-compile); $(compile-command.s)
 $(objpfx)%.po: %.s $(before-compile); $(compile-command.s)
 $(objpfx)%.go: %.s $(before-compile); $(compile-command.s)
-$(objpfx)%.d: %.s $(objpfx)dummy.d; $(make-dummy-dep)
+$(objpfx)%.d: %.s $(common-objpfx)dummy.d; $(make-dummy-dep)
 $(objpfx)%.o: %.c $(before-compile); $(compile-command.c)
 $(objpfx)%.so: %.c $(before-compile); $(compile-command.c)
 $(objpfx)%.po: %.c $(before-compile); $(compile-command.c)
@@ -190,7 +190,7 @@ $(objpfx)%.o: $(objpfx)%.s $(before-compile); $(compile-command.s)
 $(objpfx)%.so: $(objpfx)%.s $(before-compile); $(compile-command.s)
 $(objpfx)%.po: $(objpfx)%.s $(before-compile); $(compile-command.s)
 $(objpfx)%.go: $(objpfx)%.s $(before-compile); $(compile-command.s)
-$(objpfx)%.d: $(objpfx)%.s $(objpfx)dummy.d; $(make-dummy-dep)
+$(objpfx)%.d: $(objpfx)%.s $(common-objpfx)dummy.d; $(make-dummy-dep)
 $(objpfx)%.o: $(objpfx)%.c $(before-compile); $(compile-command.c)
 $(objpfx)%.so: $(objpfx)%.c $(before-compile); $(compile-command.c)
 $(objpfx)%.po: $(objpfx)%.c $(before-compile); $(compile-command.c)
@@ -239,7 +239,7 @@ $(+sysdir_pfx)sysd-rules: $(+sysdir_pfx)config.make $(..)Makerules \
 		  \$$(compile-command.c)";				      \
 	   done; \
 	   $(open-check-inhibit-asm) \
-	   echo "\$$(objpfx)%.d: $$dir/%.s \$$(objpfx)dummy.d; \
+	   echo "\$$(objpfx)%.d: $$dir/%.s \$$(common-objpfx)dummy.d; \
 		\$$(make-dummy-dep)";			       \
 	   echo "\$$(objpfx)%.d: $$dir/%.S \$$(before-compile); \
 		\$$(+make-deps)";					      \
@@ -279,6 +279,7 @@ OUTPUT_OPTION = -o $@
 
 S-CPPFLAGS = $(asm-CPPFLAGS)
 define +make-deps
+$(make-target-directory)
 -@rm -f $@
 $(+mkdep) $< $(CPPFLAGS) $($(<:$*.%=%)-CPPFLAGS) | \
 sed -e 's,$(subst .,\.,$*)\.o,$(foreach o,$(object-suffixes),$(@:.d=$o)) $@,' \
@@ -289,7 +290,9 @@ ifneq (,$(objpfx))
 # Continuation lines here are dangerous because they introduce spaces!
 define sed-remove-objpfx
 -e 's@ $(subst .,\.,$(subst @,\@,$(objpfx)))@ $$(objpfx)@g' \
--e 's@^$(subst .,\.,$(subst @,\@,$(objpfx)))@$$(objpfx)@g'
+-e 's@^$(subst .,\.,$(subst @,\@,$(objpfx)))@$$(objpfx)@g' \
+-e 's@ $(subst .,\.,$(subst @,\@,$(common-objpfx)))@ $$(common-objpfx)@g' \
+-e 's@^$(subst .,\.,$(subst @,\@,$(common-objpfx)))@$$(common-objpfx)@g'
 endef
 endif
 
@@ -327,7 +330,7 @@ LDFLAGS-c.so = -nostdlib -nostartfiles
 # Give libc.so an entry point and make it directly runnable itself.
 LDFLAGS-c.so += -e __libc_main
 # Use our own special initializer and finalizer files for libc.so.
-elfobjdir := $(firstword $(objdir) $(patsubst ../$(subdir),.,$(..)elf))
+elfobjdir := $(patsubst ../$(subdir),.,$(common-objpfx)elf)
 $(common-objpfx)libc.so: $(elfobjdir)/soinit.so \
 			 $(common-objpfx)libc_pic.a \
 			 $(elfobjdir)/sofini.so $(elfobjdir)/ld.so
@@ -443,6 +446,7 @@ ifndef objects
 # Create the stamp$o files to keep the parent makefile happy.
 subdir_lib: $(foreach o,$(object-suffixes),$(objpfx)stamp$o-$(subdir))
 $(foreach o,$(object-suffixes),$(objpfx)stamp$o-$(subdir)):
+	$(make-target-directory)
 	rm -f $@; > $@
 else
 
@@ -471,17 +475,13 @@ object-suffixes-left := $(object-suffixes)
 include $(o-iterator)
 define do-ar
 topdir=`cd $(..).; pwd`; \
-$(patsubst %,cd %;,$(objdir)) \
+$(patsubst %/,cd %;,$(objpfx)) \
 $$topdir/autolock.sh ${O%-lib}.lck $(AR) cru$(verbose) ${O%-lib} \
 					 $(patsubst $(objpfx)%,%,$^)
 rm -f $@
 touch $@
 endef
-ifdef subdir
-O%-lib = $(filter ../,$(firstword $(objdir) ../))$(patsubst %,$(libtype$*),c)
-else
-O%-lib = $(patsubst %,$(libtype$*),c)
-endif
+O%-lib = $(..)$(patsubst %,$(libtype$*),c)
 
 endif
 
@@ -496,8 +496,7 @@ $(common-objpfx)$(patsubst %,$(libtype$o),c)($(ar-symtab-name)): \
 	  $$(RANLIB) $$(common-objpfx)$$(patsubst %,$$(libtype$o),c)
 endef
 ifndef subdir
-subdirs-stamps := $(foreach d,$(subdirs),\
-			    $(firstword $(objdir) $(subdir))/stamp%-$d)
+subdirs-stamps := $(foreach d,$(subdirs),$(common-objpfx)$d/stamp%-$d)
 subdirs-stamp-o = $(subst %,$o,$(subdirs-stamps))
 $(subdirs-stamps): subdir_lib;
 endif
@@ -512,7 +511,7 @@ objects objs: $(foreach o,$(object-suffixes),$(o-objects)) \
 
 # Canned sequence for building an extra library archive.
 define build-extra-lib
-$(patsubst %,cd %;,$(objdir)) \
+$(patsubst %/,cd %;,$(objpfx)) \
 $(AR) cru$(verbose) $(@:$(objpfx)%=%) \
       $(patsubst $(objpfx)%,%,$^)
 $(RANLIB) $@
@@ -736,12 +735,7 @@ cd $(@D); $(BUILD_CC) $(BUILD_CFLAGS) $(<:$(common-objpfx)%=%) -o $(@F)
 endef
 
 # We always want to use configuration definitions.
-ifdef objdir
-# This is always used in $(common-objdir), so we use no directory name.
-BUILD_CFLAGS = -include config.h
-else
 BUILD_CFLAGS = -include $(..)config.h
-endif
 
 # Support the GNU standard name for this target.
 .PHONY: check
@@ -773,7 +767,7 @@ common-mostlyclean:
 				     $(addsuffix .o,$(tests) $(others)) \
 				     $(addsuffix .out,$(tests)))
 	-rm -f $(addprefix $(objpfx),$(extra-objs) $(install-lib))
-	-rm -f core $(objpfx)stub-$(subdir)
+	-rm -f core $(common-objpfx)stub-$(subdir)
 	$(rmobjs)
 define rmobjs
 $(foreach o,$(object-suffixes),
@@ -796,7 +790,7 @@ s = $(sysdep_dir)/stub
 $(common-objpfx)stub-$(subdir): $(+depfiles)
 # Use /dev/null since `...` might expand to empty.
 	(s=`cd $s; /bin/pwd`; \
-	 $(patsubst %,cd %;,$(objdir)) \
+	 $(patsubst %/,cd %;,$(objpfx)) \
 	 sed -n 's/^stub_warning *(\([^)]*\).*$$/#define __stub_\1/p' \
 	     `sed -n 's@^.*$s/\([a-z0-9_-]*\.c\).*$$@'"$$s"/'\1@p' \
 		  $(patsubst $(objpfx)%,%,$^) /dev/null` \
diff --git a/README.libm b/README.libm
new file mode 100644
index 0000000000..fd5dcc3e98
--- /dev/null
+++ b/README.libm
@@ -0,0 +1,31 @@
+The following functions for the `long double' versions of the libm