Drop test for libunwind 0.95 and earlier.

* configure.in: Delete libunwind_has_eh_support test.
* configure: Regenerate.
* config.gcc (ia64*-*-linux*): Delete reference to t-libunwind-no-eh
and libunwind_has_eh_support check.
* config/t-libunwind-no-eh: Delete.

From-SVN: r74865

gcc/ChangeLog

+2003-12-19  James E. Wilson  <wilson@specifixinc.com>
+
+	* configure.in: Delete libunwind_has_eh_support test.
+	* configure: Regenerate.
+	* config.gcc (ia64*-*-linux*): Delete reference to t-libunwind-no-eh
+	and libunwind_has_eh_support check.
+	* config/t-libunwind-no-eh: Delete.
+
 2003-12-19  Joseph S. Myers  <jsm@polyomino.org.uk>
 
 	* c-format.c (print_char_table): Allow 'I' flag on floating point

gcc/config.gcc

@@ -1244,11 +1244,7 @@ ia64*-*-linux*)
 	target_cpu_default="MASK_GNU_AS|MASK_GNU_LD"
 	extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o crtfastmath.o"
 	if test x"$use_libunwind_exceptions" = xyes; then
-	  if test x"$libunwind_has_eh_support" = xyes; then
-	    tmake_file="$tmake_file t-libunwind"
-	  else
-	    tmake_file="$tmake_file t-libunwind-no-eh"
-	  fi
+	  tmake_file="$tmake_file t-libunwind"
 	fi
 	;;
 ia64*-*-hpux*)

gcc/config/t-libunwind-no-eh

-# Override the default value from t-slibgcc-elf-ver and mention -lunwind
-# so that the resulting libgcc_s.so has the necessary DT_NEEDED entry for
-# libunwind.
-SHLIB_LC = -lunwind -lc
-LIB2ADDEH = $(srcdir)/unwind-libunwind.c $(srcdir)/unwind-sjlj.c \
-	    $(srcdir)/unwind-c.c

gcc/configure.in

@@ -957,8 +957,6 @@ use_libunwind_exceptions=$use_libunwind_default)
 if test x"$use_libunwind_exceptions" = xyes; then
    AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1,
 	[Define if gcc should use -lunwind.])
-   AC_CHECK_LIB(unwind, _Unwind_Resume, libunwind_has_eh_support=yes,
-	libunwind_has_eh_support=no)
 fi
 
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