Update.cvs/libc-ud-970924

1997-09-25 00:23  Ulrich Drepper  <drepper@cygnus.com>

	* elf/dl-profile.c: Correct implementation.

	* io/ftwtest-sh: Don't depend on TMPDIR == /tmp.

	* locale/setlocale.c: Rewrite a bit for more clarity.

	* math/Makefile (libm-calls): Add w_exp2.
	* math/math_private.h: Add prototypes for __ieee754_exp2{,f,l}.
	* sysdeps/libm-i387/s_exp2.S: Change name to __ieee754_exp2.
	* sysdeps/libm-i387/s_exp2f.S: Likewise.
	* sysdeps/libm-i387/s_exp2l.S: Likewise.
	* sysdeps/libm-ieee754/k_standard.c: Add error cases for exp2.

	* string/bits/string2.h (__strcpy_small): Optimize.
	(__stpcpy_small): Likewise.
	(strncpy): Use variable for dest argument since it's used more than
	once.
	(strncat): Likewise.
	(strcmp): Add optimization for this function.
	* sysdeps/i386/i486/string.h (strlen): Correctly use __builtin_strlen.
	(__strcpy_small): Optimize.
	(__stpcpy_small): Likewise.
	(__stpcpy_c): Correctly use __mempcpy_* macros.
	(__mempcpy_by2, __mempcpy_by4, __mempcpy_byn): Return pointer to
	byte following last copied.
	(strncat): Use variable for dest argument since it's used more than
	once.
	(strcmp): Add optimization for this function.

	* sysdeps/i386/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE): Use
	.text and .previous to select correct section.

1997-09-23 19:56  Philip Blundell  <Philip.Blundell@pobox.com>

	* configure.in: Add `--disable-versioning' option to suppress the
	use of symbol versions even if binutils claims to support it.

1997-09-24 20:10  Philip Blundell  <Philip.Blundell@pobox.com>

	* csu/Makefile (before-compile): Don't try to build abi-tags.h if
	not using ELF.

1997-09-21  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/sofini.c [HAVE_DWARF2_UNWIND_INFO]: Supply termination for
	the frame unwind info section.

	* elf/soinit.c [HAVE_DWARF2_UNWIND_INFO]: Register and unregister
	the frame unwind info.

	* config.h.in (HAVE_DWARF2_UNWIND_INFO): Add #undef.

	* configure.in: Check whether gcc supports DWARF2 unwind info.

	* libc.map: Export frame handling tables.

1997-09-10 06:56  Geoff Keating  <geoffk@ozemail.com.au>

	* sysdeps/unix/sysv/linux/powerpc/bits/kernel_termios.h:
	Use the size of the kernel's termios structure for ioctls.

	* sysdeps/powerpc/dl-machine.h: Prepare for library profiling.

	* sysdeps/powerpc/bits/mathinline.h: Add slightly slower versions
	of the C9X FP comparison macros. Delete 'fabs' and 'sqrt' inline
	routines, because gcc has them as internals.

	* sysdeps/powerpc/Makefile (pic-ccflags): Define this instead of
	CFLAGS-.os.

	* sysdeps/powerpc/bzero.S: New file.
	* sysdeps/powerpc/strcat.c: New file.
	* sysdeps/powerpc/strcpy.S: New file.
	* sysdeps/powerpc/stpcpy.S: New file.

	* math/Makefile: Add atest_exp2, test-reduce.
	* math/atest_exp2.c: New file.
	* math/test-reduce.c: New file.
	* sysdeps/libm-ieee754/Dist: New file.
	* sysdeps/libm-ieee754/s_exp2.c: New file.
	* sysdeps/libm-ieee754/s_exp2f.c: New file.
	* sysdeps/libm-ieee754/t_exp2.h: New file.
	* sysdeps/libm-ieee754/t_exp2f.h: New file.
	* math/libm-test.c (exp2_test): Add some more tests.

	* Rules: Use empty.os instead of empty.o, since it gets linked into
	libc.so...
	* configure.in: Add --disable-static to disable building .a files.
	* config.make.in: Substitute the new variable.
	* Makeconfig: Don't build .o files if not building .a files.

	* elf/dl-runtime.c (fixup): Factor out call to elf_machine_relplt.
	(profile_fixup): Likewise.

1997-09-23  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* posix/globtest.c (main): Change to directory passed as first
	argument.

	* posix/globtest.sh: Don't cd before running the program, instead
	pass testdir as argument, so that $common_objpfx remains valid.

1997-09-23 18:01  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* nis/nis_call.c (__do_niscall2): Fix multiple Server support.

	* nis/nis_findserver.c: Save latest working sockaddr_in.

1997-09-17 22:07  Zack Weinberg  <zack@rabi.phys.columbia.edu>

	* configure.in: Automatically determine whether as and ld are the
	GNU versions.
	(options):  --with-gnu-{as,ld,binutils} replaced by
	single option --with-binutils=PATH specifying a -B option to gcc.
	* aclocal.m4: Two new macros defined, LIBC_PROG_FOO_GNU and
	LIBC_PROG_BINUTILS.

	* configure.in: Allow the user to force configuration for
	unsupported platforms with an undocumented option.

1997-09-22 16:55  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* sunrpc/get_myaddr.c (get_myaddress): Avoid loopback interfaces,
	return loopback address only if there is no other interface.

	* nis/Makefile: Add nis_callback libnsl-routines.

	* nis/nis_add.c: Use new __do_niscall* interface.
	* nis/nis_cache.c: Likewise.
	* nis/nis_checkpoint.c: Likewise.
	* nis/nis_lookup.c: Likewise.
	* nis/nis_mkdir.c: Likewise.
	* nis/nis_modify.c: Likewise.
	* nis/nis_ping.c: Likewise.
	* nis/nis_remove.c: Likewise.
	* nis/nis_rmdir.c: Likewise.
	* nis/nis_server.c: Likewise.
	* nis/nis_util.c: Likewise.

	* nis/rpcsvc/nis.h: Make C++ safe.

	* nis/nss_nisplus/nisplus-publickey.c (getsecretkey): Fix use
	of variables.

	* nis/nis_findserv.c: Make thread safe.

	* nis/nis_call.c: Add support for callback, Fix use of variables.
	* nis/nis_table.c: Add support for callback, FOLLOW_PATH and
	ALL_RESULTS.
	* nis/nis_callback.c: New, callback functions.
	* nis/nis_intern.h: Add callback declarations.

1997-09-20  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* string/bits/string2.h: Fix logic in preprocessor directive.
	(__strsep_1c, __strsep_g): Don't declare __retval as pointing to
	const, to save a cast and a possible warning.

1997-09-22 04:12  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/i386/i486/atomicity.h (exchange_and_add): Really address
	memory in xadd not %1.

1997-09-21 13:56  Ulrich Drepper  <drepper@cygnus.com>

	* manual/maint.texi (Supported Configurations): Add SPARC64 to
	list of supported platforms.

1 files changed, 68 insertions, 26 deletions

diff --git a/configure.in b/configure.in
index 340e867..4c507bb 100644
--- a/configure.in
+++ b/configure.in
@@ -36,16 +36,9 @@ dnl Arguments to specify presence of other packages/features.
 AC_ARG_WITH(fp, dnl
 [  --with-fp		  if using floating-point hardware [default=yes]],
 	    with_fp=$withval, with_fp=yes)
-AC_ARG_WITH(gnu-binutils, dnl
-  --with-gnu-binutils	  if using GNU binutils (as and ld),
-	    gnu_binutils=$withval, gnu_binutils=no)
-AC_ARG_WITH(gnu-ld, dnl
-  --with-gnu-ld		  if using GNU ld (in the binutils package),
-	    gnu_ld=$withval, gnu_ld=no)
-AC_ARG_WITH(gnu-as, dnl
-  --with-gnu-as		  if using GNU as (in the binutils package),
-	    gnu_as=$withval, gnu_as=no)
-test $gnu_binutils = yes && gnu_as=yes gnu_ld=yes
+AC_ARG_WITH(binutils, dnl
+  --with-binutils=PATH	  specify location of binutils (as and ld)
+	    path_binutils=$withval, path_binutils='')
 AC_ARG_WITH(elf, dnl
   --with-elf		  if using the ELF object format,
 	    elf=$withval, elf=no)
@@ -64,8 +57,11 @@ AC_ARG_ENABLE(sanity-checks, dnl
 			  except in special situations) [default=yes]],
               enable_sanity=$enableval, enable_sanity=yes)
 
-dnl Arguments to enable or disable building the shared, profiled, and
-dnl -fomit-frame-pointer libraries.
+dnl Arguments to enable or disable building the static, shared, profiled,
+dnl and -fomit-frame-pointer libraries.
+AC_ARG_ENABLE(static, dnl
+[  --enable-static         build static library [default=yes]],
+	      static=$enableval, static=yes)
 AC_ARG_ENABLE(shared, dnl
 [  --enable-shared         build shared library [default=yes if GNU ld & ELF]],
 	      shared=$enableval, shared=default)
@@ -78,6 +74,10 @@ AC_ARG_ENABLE(omitfp, dnl
 AC_ARG_ENABLE(bounded, dnl
 [  --enable-bounded        build with runtime bounds checking [default=no]],
 	      bounded=$enableval, bounded=no)
+AC_ARG_ENABLE(versioning, dnl
+[  --disable-versioning    do not include versioning information in the
+                          library objects [default=yes if supported]],
+             enable_versioning=$enableval, enable_versioning=yes)
 
 dnl Generic infrastructure for drop-in additions to libc.
 AC_ARG_ENABLE(add-ons, dnl
@@ -120,19 +120,25 @@ esac
 ### I put this here to prevent those annoying emails from people who cannot
 ### read and try to compile glibc on unsupported platforms.  --drepper
 ###
-case "$host_os" in
-linux* | gnu*)
-  ;;
-*)
-  echo "*** The GNU C library is currently not available for this platform."
-  echo "*** So far nobody cared to port it and if there is no volunteer it"
-  echo "*** might never happen.  So, if you have interest to see glibc on"
-  echo "*** this platform visit"
-  echo "***	http://www.gnu.ai.mit.edu/software/libc/porting.html"
-  echo "*** and join the group of porters"
-  exit 1
-  ;;
-esac
+### By using the undocumented --enable-hacker-mode option for configure
+### one can skip this test to make the configuration not fail for unsupported
+### platforms.
+###
+if test -z "$enable_hacker_mode"; then
+  case "$host_os" in
+  linux* | gnu*)
+    ;;
+  *)
+    echo "*** The GNU C library is currently not available for this platform."
+    echo "*** So far nobody cared to port it and if there is no volunteer it"
+    echo "*** might never happen.  So, if you have interest to see glibc on"
+    echo "*** this platform visit"
+    echo "***	http://www.gnu.ai.mit.edu/software/libc/porting.html"
+    echo "*** and join the group of porters"
+    exit 1
+    ;;
+  esac
+fi
 
 # We keep the original values in `$config_*' and never modify them, so we
 # can write them unchanged into config.make.  Everything else uses
@@ -401,6 +407,7 @@ if test $host != $build; then
 fi
 AC_SUBST(cross_compiling)
 AC_PROG_CPP
+LIBC_PROG_BINUTILS
 AC_CHECK_TOOL(AR, ar)
 AC_CHECK_TOOL(RANLIB, ranlib, :)
 
@@ -568,7 +575,8 @@ else
 fi
 rm -f conftest*])
 if test $libc_cv_asm_symver_directive = yes &&
-   test $libc_cv_ld_version_script_option = yes; then
+   test $libc_cv_ld_version_script_option = yes &&
+   test $enable_versioning = yes; then
   VERSIONING=yes
   AC_DEFINE(DO_VERSIONING)
 else
@@ -749,6 +757,39 @@ fi
 rm -f conftest*])
 AC_SUBST(libc_cv_gcc_no_exceptions)dnl
 
+AC_CACHE_CHECK(for DWARF2 unwind info support, libc_cv_gcc_dwarf2_unwind_info,
+[cat > conftest.c <<EOF
+#line __oline__ "configure"
+static char __EH_FRAME_BEGIN__[];
+_start ()
+{
+  __register_frame (__EH_FRAME_BEGIN__);
+  __deregister_frame (__EH_FRAME_BEGIN__);
+}
+int __eh_pc;
+__throw () {}
+/* FIXME: this is fragile.  */
+malloc () {}
+strcmp () {}
+strlen () {}
+memcpy () {}
+memset () {}
+free () {}
+abort () {}
+EOF
+dnl No \ in command here because it ends up inside ''.
+if AC_TRY_COMMAND([${CC-cc} $CFLAGS
+			    -nostdlib -nostartfiles
+			    -o conftest conftest.c -lgcc >&AC_FD_CC]); then
+  libc_cv_gcc_dwarf2_unwind_info=yes
+else
+  libc_cv_gcc_dwarf2_unwind_info=no
+fi
+rm -f conftest*])
+if test $libc_cv_gcc_dwarf2_unwind_info = yes; then
+  AC_DEFINE(HAVE_DWARF2_UNWIND_INFO)
+fi
+
 ### End of automated tests.
 ### Now run sysdeps configure fragments.
 
@@ -876,6 +917,7 @@ if test $elf = yes; then
   AC_DEFINE(HAVE_ELF)
 fi
 
+AC_SUBST(static)
 AC_SUBST(shared)
 if test $shared = default; then
   if test $gnu_ld = yes; then