Merge changes between r11304 and r11460 from /fsf/trunk.

git-svn-id: svn://svn.eglibc.org/trunk@11461 7b3dc134-2b1b-0410-93df-9e9f96275f8d

1 files changed, 93 insertions, 178 deletions

diff --git a/libc/configure.in b/libc/configure.in
index de0cee73d..63f9bde17 100644
--- a/libc/configure.in
+++ b/libc/configure.in
@@ -278,9 +278,6 @@ AC_ARG_ENABLE([multi-arch],
 			     [enable single DSO with optimizations for multiple architectures]),
 	      [multi_arch=$enableval],
 	      [multi_arch=default])
-if test x"$multi_arch" != xno; then
-  multi_arch_d=/multiarch
-fi
 
 AC_ARG_ENABLE([experimental-malloc],
 	      AC_HELP_STRING([--enable-experimental-malloc],
@@ -608,6 +605,90 @@ if test "$base_machine" = "i386"; then
   AC_DEFINE(USE_REGPARMS)
 fi
 
+# For the multi-arch option we need support in the assembler.
+AC_CACHE_CHECK([for assembler gnu_indirect_function symbol type support],
+               libc_cv_asm_gnu_indirect_function, [dnl
+cat > conftest.s <<EOF
+.type foo,%gnu_indirect_function
+EOF
+if ${CC-cc} -c $ASFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD;
+then
+  libc_cv_asm_gnu_indirect_function=yes
+else
+  libc_cv_asm_gnu_indirect_function=no
+fi
+rm -f conftest*])
+
+AC_MSG_CHECKING(whether .text pseudo-op must be used)
+AC_CACHE_VAL(libc_cv_dot_text, [dnl
+cat > conftest.s <<EOF
+.text
+EOF
+libc_cv_dot_text=
+if AC_TRY_COMMAND(${CC-cc} $ASFLAGS -c conftest.s 1>&AS_MESSAGE_LOG_FD); then
+  libc_cv_dot_text=.text
+fi
+rm -f conftest*])
+if test -z "$libc_cv_dot_text"; then
+  AC_MSG_RESULT(no)
+else
+  AC_MSG_RESULT(yes)
+fi
+
+AC_CACHE_CHECK(for assembler global-symbol directive,
+	       libc_cv_asm_global_directive, [dnl
+libc_cv_asm_global_directive=UNKNOWN
+for ac_globl in .globl .global .EXPORT; do
+  cat > conftest.s <<EOF
+	${libc_cv_dot_text}
+	${ac_globl} foo
+foo:
+EOF
+  if AC_TRY_COMMAND(${CC-cc} $ASFLAGS -c conftest.s 1>&AS_MESSAGE_LOG_FD); then
+    libc_cv_asm_global_directive=${ac_globl}
+  fi
+  rm -f conftest*
+  test $libc_cv_asm_global_directive != UNKNOWN && break
+done])
+if test $libc_cv_asm_global_directive = UNKNOWN; then
+  AC_MSG_ERROR(cannot determine asm global directive)
+else
+  AC_DEFINE_UNQUOTED(ASM_GLOBAL_DIRECTIVE, ${libc_cv_asm_global_directive})
+fi
+
+AC_CACHE_CHECK(for assembler .type directive prefix,
+	       libc_cv_asm_type_prefix, [dnl
+libc_cv_asm_type_prefix=no
+for ac_try_prefix in '@' '%' '#'; do
+  cat > conftest.s <<EOF
+	${libc_cv_dot_text}
+	${libc_cv_asm_global_directive} foo
+	.type foo, ${ac_try_prefix}object
+	.size foo, 1
+foo:
+	.byte 1
+EOF
+  if AC_TRY_COMMAND(${CC-cc} $ASFLAGS -c conftest.s 1>&AS_MESSAGE_LOG_FD); then
+    libc_cv_asm_type_prefix=${ac_try_prefix}
+  fi
+  rm -f conftest*
+  test "x$libc_cv_asm_type_prefix" != xno && break
+done])
+if test "x$libc_cv_asm_type_prefix" != xno; then
+  AC_DEFINE_UNQUOTED(ASM_TYPE_DIRECTIVE_PREFIX, ${libc_cv_asm_type_prefix})
+fi
+
+if test x"$libc_cv_asm_gnu_indirect_function" != xyes -a x"$libc_cv_asm_type_prefix" = xno; then
+  if test x"$multi_arch" = xyes; then
+    AC_MSG_ERROR([--enable-multi-arch support requires assembler and linker support])
+  else
+    multi_arch=no
+  fi
+fi
+if test x"$multi_arch" != xno; then
+  multi_arch_d=/multiarch
+fi
+
 # Compute the list of sysdep directories for this configuration.
 # This can take a while to compute.
 sysdep_dir=$srcdir/sysdeps
@@ -727,29 +808,14 @@ done
 
 # If the assembler supports gnu_indirect_function symbol type and the
 # architecture supports multi-arch, we enable multi-arch by default.
-if test "$multi_arch" = default; then
-AC_CACHE_CHECK([for assembler gnu_indirect_function symbol type support],
-               libc_cv_asm_gnu_indirect_function, [dnl
-cat > conftest.s <<EOF
-.type foo,%gnu_indirect_function
-EOF
-if ${CC-cc} -c $ASFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD;
-then
-  libc_cv_asm_gnu_indirect_function=yes
-else
-  libc_cv_asm_gnu_indirect_function=no
-fi
-rm -f conftest*])
+case $sysnames_add_ons$sysnames in
+*"$multi_arch_d"*)
+  ;;
+*)
   multi_arch=no
-  if test "$libc_cv_asm_gnu_indirect_function" = yes; then
-    case $sysnames_add_ons$sysnames in
-    *"$multi_arch_d"*)
-       multi_arch=yes
-      ;;
-    esac
-  fi
-fi
-if test x"$multi_arch" = xyes; then
+  ;;
+esac
+if test x"$multi_arch" != xno; then
   AC_DEFINE(USE_MULTIARCH)
 fi
 AC_SUBST(multi_arch)
@@ -1210,43 +1276,6 @@ if test $libc_cv_need_minus_P = yes; then
 asm-CPPFLAGS = -P # The assembler can't grok cpp's # line directives."
 fi
 
-AC_MSG_CHECKING(whether .text pseudo-op must be used)
-AC_CACHE_VAL(libc_cv_dot_text, [dnl
-cat > conftest.s <<EOF
-.text
-EOF
-libc_cv_dot_text=
-if AC_TRY_COMMAND(${CC-cc} $ASFLAGS -c conftest.s 1>&AS_MESSAGE_LOG_FD); then
-  libc_cv_dot_text=.text
-fi
-rm -f conftest*])
-if test -z "$libc_cv_dot_text"; then
-  AC_MSG_RESULT(no)
-else
-  AC_MSG_RESULT(yes)
-fi
-
-AC_CACHE_CHECK(for assembler global-symbol directive,
-	       libc_cv_asm_global_directive, [dnl
-libc_cv_asm_global_directive=UNKNOWN
-for ac_globl in .globl .global .EXPORT; do
-  cat > conftest.s <<EOF
-	${libc_cv_dot_text}
-	${ac_globl} foo
-foo:
-EOF
-  if AC_TRY_COMMAND(${CC-cc} $ASFLAGS -c conftest.s 1>&AS_MESSAGE_LOG_FD); then
-    libc_cv_asm_global_directive=${ac_globl}
-  fi
-  rm -f conftest*
-  test $libc_cv_asm_global_directive != UNKNOWN && break
-done])
-if test $libc_cv_asm_global_directive = UNKNOWN; then
-  AC_MSG_ERROR(cannot determine asm global directive)
-else
-  AC_DEFINE_UNQUOTED(ASM_GLOBAL_DIRECTIVE, ${libc_cv_asm_global_directive})
-fi
-
 AC_CACHE_CHECK(for .set assembler directive, libc_cv_asm_set_directive, [dnl
 cat > conftest.s <<EOF
 ${libc_cv_dot_text}
@@ -1272,28 +1301,6 @@ if test $libc_cv_asm_set_directive = yes; then
   AC_DEFINE(HAVE_ASM_SET_DIRECTIVE)
 fi
 
-AC_CACHE_CHECK(for assembler .type directive prefix,
-	       libc_cv_asm_type_prefix, [dnl
-libc_cv_asm_type_prefix=no
-for ac_try_prefix in '@' '%' '#'; do
-  cat > conftest.s <<EOF
-	${libc_cv_dot_text}
-	${libc_cv_asm_global_directive} foo
-	.type foo, ${ac_try_prefix}object
-	.size foo, 1
-foo:
-	.byte 1
-EOF
-  if AC_TRY_COMMAND(${CC-cc} $ASFLAGS -c conftest.s 1>&AS_MESSAGE_LOG_FD); then
-    libc_cv_asm_type_prefix=${ac_try_prefix}
-  fi
-  rm -f conftest*
-  test "x$libc_cv_asm_type_prefix" != xno && break
-done])
-if test "x$libc_cv_asm_type_prefix" != xno; then
-  AC_DEFINE_UNQUOTED(ASM_TYPE_DIRECTIVE_PREFIX, ${libc_cv_asm_type_prefix})
-fi
-
 AC_CACHE_CHECK(for assembler gnu_unique_object symbol type,
 	       libc_cv_asm_unique_object, [dnl
 cat > conftest.s <<EOF
@@ -1311,29 +1318,6 @@ if test $libc_cv_asm_unique_object = yes; then
   AC_DEFINE(HAVE_ASM_UNIQUE_OBJECT)
 fi
 
-# For the multi-arch option we need support in the assembler.
-if test "$multi_arch" = yes; then
-  if test "x$libc_cv_asm_type_prefix" != xno; then
-AC_CACHE_CHECK([for assembler gnu_indirect_function symbol type support],
-               libc_cv_asm_gnu_indirect_function, [dnl
-cat > conftest.s <<EOF
-.type foo,%gnu_indirect_function
-EOF
-if ${CC-cc} -c $ASFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD;
-then
-  libc_cv_asm_gnu_indirect_function=yes
-else
-  libc_cv_asm_gnu_indirect_function=no
-fi
-rm -f conftest*])
-  else
-    libc_cv_asm_gnu_indirect_function=no
-  fi
-  if test x"$libc_cv_asm_gnu_indirect_function" != xyes; then
-    AC_MSG_ERROR([--enable-multi-arch support requires assembler and linker support])
-  fi
-fi
-
 AC_CACHE_CHECK(for .symver assembler directive, libc_cv_asm_symver_directive,
 [cat > conftest.s <<EOF
 ${libc_cv_dot_text}
@@ -2232,8 +2216,7 @@ libc_cv_gcc_unwind_find_fde=no
 libc_cv_idn=no
 
 # Iterate over all the sysdep directories we will use, running their
-# configure fragments, and looking for a uname implementation.
-uname=
+# configure fragments.
 for dir in $sysnames; do
   case $dir in
     /*) dest=$dir ;;
@@ -2243,16 +2226,6 @@ for dir in $sysnames; do
     AC_MSG_RESULT(running configure fragment for $dir)
     . $dest/configure
   fi
-[
-  if test -z "$uname"; then
-    if test -r $dest/uname.c ||
-       test -r $dest/uname.S ||
-       { test -r $dest/syscalls.list &&
-	 grep '^uname[ 	]' $dest/syscalls.list >/dev/null; }; then
-      uname=$dir
-    fi
-  fi
-]dnl
 done
 
 if test x$libc_cv_gcc_unwind_find_fde = xyes; then
@@ -2260,64 +2233,6 @@ if test x$libc_cv_gcc_unwind_find_fde = xyes; then
 fi
 AC_SUBST(libc_cv_gcc_unwind_find_fde)
 
-# If we will use the generic uname implementation, we must figure out what
-# it will say by examining the system, and write the results in config-name.h.
-if test "$uname" = "sysdeps/generic"; then
-
-changequote(,)dnl
-  uname_sysname=`echo $config_os | sed 's/[0-9.]*$//'`
-changequote([,])dnl
-  if test $uname_sysname != $config_os; then
-    config_release=`echo $config_os | sed s/$uname_sysname//`
-  fi
-dnl
-AC_DEFUN(LIBC_KERNEL_ID, [dnl
-    if test -r /vmunix; then
-      kernel_id=`strings /vmunix | grep UNIX`
-    elif test -r /dynix; then
-      kernel_id=`strings /dynix | grep DYNIX`
-    else
-      kernel_id=
-    fi
-])dnl
-
-  AC_CACHE_CHECK(OS release for uname, libc_cv_uname_release, [dnl
-LIBC_KERNEL_ID
-changequote(,)dnl
-  kernel_release=`echo "$kernel_id" | sed 's/^[^0-9.]*\([0-9.]*\).*$/\1/'`
-changequote([,])dnl
-  if test x`echo "$config_release" | sed "s/^$kernel_release//"` \
-	 != x$config_release; then
-    # The configuration release is a substring of the kernel release.
-    libc_cv_uname_release=$kernel_release
-  elif test x$config_release != x; then
-    libc_cv_uname_release=$config_release
-  elif test x$kernel_release != x; then
-    libc_cv_uname_release=$kernel_release
-  else
-    libc_cv_uname_release=unknown
-  fi])
-  uname_release="$libc_cv_uname_release"
-
-  AC_CACHE_CHECK(OS version for uname, libc_cv_uname_version, [dnl
-LIBC_KERNEL_ID
-changequote(,)dnl
-  kernel_version=`echo "$kernel_id" | sed 's/^[^#]*#\([0-9]*\).*$/\1/'`
-changequote([,])dnl
-  if test -n "$kernel_version"; then
-    libc_cv_uname_version="$kernel_version"
-  else
-    libc_cv_uname_version=unknown
-  fi])
-  uname_version="$libc_cv_uname_version"
-
-AC_SUBST(uname_sysname) AC_SUBST(uname_release) AC_SUBST(uname_version)dnl
-  config_uname=config-name.h:config-name.in
-else
-  # For non-generic uname, we don't need to create config-name.h at all.
-  config_uname=
-fi
-
 dnl This is tested by existing code and it's simpler to avoid changing it.
 AC_DEFINE(USE_IN_LIBIO)
 
@@ -2401,7 +2316,7 @@ RELEASE=`sed -n -e 's/^#define RELEASE "\([^"]*\)"/\1/p' < $srcdir/version.h`
 AC_SUBST(VERSION)
 AC_SUBST(RELEASE)
 
-AC_CONFIG_FILES([config.make ${config_makefile} ${config_uname}])
+AC_CONFIG_FILES([config.make ${config_makefile}])
 AC_CONFIG_COMMANDS([default],[[
 case $CONFIG_FILES in *config.make*)
 echo "$config_vars" >> config.make;;