re PR target/26792 (need to use autoconf when using newly-added libgcc functions)

	PR target/26792
	* configure.ac: Use GCC_CHECK_UNWIND_GETIPINFO to
	define HAVE_GETIPINFO.
	* aclocal.m4: Add include of ../config/unwind_ipinfo.m4.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* Makefile.in: Regenerate.
	* libmath/Makefile.in: Regenerate.
	* include/Makefile.in: Regenerate.
	* src/Makefile.in: Regenerate.
	* libsupc++/Makefile.in: Regenerate.
	* testsuite/Makefile.in: Regenerate.
	* po/Makefile.in: Regenerate.
	* libsupc++/eh_personality.cc: Check HAVE_GETIPINFO.

From-SVN: r115654

13 files changed, 134 insertions, 0 deletions

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 3ffddbf0c55..c0092fd6335 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,20 @@
+2006-07-21  Steve Ellcey  <sje@cup.hp.com>
+
+	PR target/26792
+	* configure.ac: Use GCC_CHECK_UNWIND_GETIPINFO to
+	define HAVE_GETIPINFO.
+	* aclocal.m4: Add include of ../config/unwind_ipinfo.m4.
+	* config.h.in: Regenerate.
+	* configure: Regenerate.
+	* Makefile.in: Regenerate.
+	* libmath/Makefile.in: Regenerate.
+	* include/Makefile.in: Regenerate.
+	* src/Makefile.in: Regenerate.
+	* libsupc++/Makefile.in: Regenerate.
+	* testsuite/Makefile.in: Regenerate.
+	* po/Makefile.in: Regenerate.
+	* libsupc++/eh_personality.cc: Check HAVE_GETIPINFO.
+
 2006-07-21  Jason Merrill  <jason@redhat.com>
 
 	* libsupc++/eh_personality.cc: Wrap extern "C" function
diff --git a/libstdc++-v3/Makefile.in b/libstdc++-v3/Makefile.in
index 0a391b22a72..6dc1ec00097 100644
--- a/libstdc++-v3/Makefile.in
+++ b/libstdc++-v3/Makefile.in
@@ -48,6 +48,7 @@ ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/../config/enable.m4 \
 	$(top_srcdir)/../config/lead-dot.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
+	$(top_srcdir)/../config/unwind_ipinfo.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/crossconfig.m4 \
 	$(top_srcdir)/linkage.m4 $(top_srcdir)/acinclude.m4 \
 	$(top_srcdir)/../config/tls.m4 $(top_srcdir)/configure.ac
diff --git a/libstdc++-v3/aclocal.m4 b/libstdc++-v3/aclocal.m4
index 8f4ca5225c6..4901dd60daa 100644
--- a/libstdc++-v3/aclocal.m4
+++ b/libstdc++-v3/aclocal.m4
@@ -641,6 +641,7 @@ AC_SUBST([am__untar])
 m4_include([../config/enable.m4])
 m4_include([../config/lead-dot.m4])
 m4_include([../config/no-executables.m4])
+m4_include([../config/unwind_ipinfo.m4])
 m4_include([../libtool.m4])
 m4_include([crossconfig.m4])
 m4_include([linkage.m4])
diff --git a/libstdc++-v3/config.h.in b/libstdc++-v3/config.h.in
index 47e3c989b78..7fa144b2b93 100644
--- a/libstdc++-v3/config.h.in
+++ b/libstdc++-v3/config.h.in
@@ -111,6 +111,9 @@
 /* Define to 1 if you have the <gconv.h> header file. */
 #undef HAVE_GCONV_H
 
+/* Define if _Unwind_GetIPInfo is available. */
+#undef HAVE_GETIPINFO
+
 /* Define to 1 if you have the `getpagesize' function. */
 #undef HAVE_GETPAGESIZE
 
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index f5cdf21d006..4486dc54220 100755
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -31370,6 +31370,96 @@ _ACEOF
 
   fi
 
+  # For _Unwind_GetIPInfo.
+
+
+
+  ac_ext=cc
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+  ac_save_CXXFLAGS="$CXXFLAGS"
+  CXXFLAGS="$CXXFLAGS -fno-exceptions"
+  echo "$as_me:$LINENO: checking for _Unwind_GetIPInfo" >&5
+echo $ECHO_N "checking for _Unwind_GetIPInfo... $ECHO_C" >&6
+  if test "${gcc_cv_getipinfo+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+  if test x$gcc_no_link = xyes; then
+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+extern "C" { extern void _Unwind_GetIPInfo(); }
+int
+main ()
+{
+_Unwind_GetIPInfo();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_cxx_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  gcc_cv_getipinfo=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+gcc_cv_getipinfo=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+
+fi
+
+  if test $gcc_cv_getipinfo = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_GETIPINFO 1
+_ACEOF
+
+  fi
+  echo "$as_me:$LINENO: result: $gcc_cv_getipinfo" >&5
+echo "${ECHO_T}$gcc_cv_getipinfo" >&6
+  CXXFLAGS="$ac_save_CXXFLAGS"
+  ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+
 
   if test "${ac_cv_header_locale_h+set}" = set; then
   echo "$as_me:$LINENO: checking for locale.h" >&5
@@ -108776,6 +108866,12 @@ _ACEOF
 
   fi
 
+  # Assume we have _Unwind_GetIPInfo for cross-compiles.
+  cat >>confdefs.h <<\_ACEOF
+#define HAVE_GETIPINFO 1
+_ACEOF
+
+
 fi
 
 # This depends on GLIBCXX CHECK_LINKER_FEATURES, but without it assumes no.
diff --git a/libstdc++-v3/configure.ac b/libstdc++-v3/configure.ac
index c1b36c9a75b..d6ab01f3300 100644
--- a/libstdc++-v3/configure.ac
+++ b/libstdc++-v3/configure.ac
@@ -167,6 +167,9 @@ if $GLIBCXX_IS_NATIVE; then
   # For TLS support.
   GCC_CHECK_TLS
 
+  # For _Unwind_GetIPInfo.
+  GCC_CHECK_UNWIND_GETIPINFO
+
   AC_LC_MESSAGES
 
   AC_TRY_COMPILE(
@@ -283,6 +286,9 @@ else
     AC_DEFINE(HAVE_TANHL)
   fi
 
+  # Assume we have _Unwind_GetIPInfo for cross-compiles.
+  AC_DEFINE(HAVE_GETIPINFO)
+
 fi
 
 # This depends on GLIBCXX CHECK_LINKER_FEATURES, but without it assumes no.
diff --git a/libstdc++-v3/include/Makefile.in b/libstdc++-v3/include/Makefile.in
index 4fe22d9fd0d..eeae3bb0b33 100644
--- a/libstdc++-v3/include/Makefile.in
+++ b/libstdc++-v3/include/Makefile.in
@@ -43,6 +43,7 @@ ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/../config/enable.m4 \
 	$(top_srcdir)/../config/lead-dot.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
+	$(top_srcdir)/../config/unwind_ipinfo.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/crossconfig.m4 \
 	$(top_srcdir)/linkage.m4 $(top_srcdir)/acinclude.m4 \
 	$(top_srcdir)/../config/tls.m4 $(top_srcdir)/configure.ac
diff --git a/libstdc++-v3/libmath/Makefile.in b/libstdc++-v3/libmath/Makefile.in
index d5c797d7e41..931d39d836d 100644
--- a/libstdc++-v3/libmath/Makefile.in
+++ b/libstdc++-v3/libmath/Makefile.in
@@ -43,6 +43,7 @@ ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/../config/enable.m4 \
 	$(top_srcdir)/../config/lead-dot.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
+	$(top_srcdir)/../config/unwind_ipinfo.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/crossconfig.m4 \
 	$(top_srcdir)/linkage.m4 $(top_srcdir)/acinclude.m4 \
 	$(top_srcdir)/../config/tls.m4 $(top_srcdir)/configure.ac
diff --git a/libstdc++-v3/libsupc++/Makefile.in b/libstdc++-v3/libsupc++/Makefile.in
index 771b432b9c1..167ecd02398 100644
--- a/libstdc++-v3/libsupc++/Makefile.in
+++ b/libstdc++-v3/libsupc++/Makefile.in
@@ -45,6 +45,7 @@ ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/../config/enable.m4 \
 	$(top_srcdir)/../config/lead-dot.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
+	$(top_srcdir)/../config/unwind_ipinfo.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/crossconfig.m4 \
 	$(top_srcdir)/linkage.m4 $(top_srcdir)/acinclude.m4 \
 	$(top_srcdir)/../config/tls.m4 $(top_srcdir)/configure.ac
diff --git a/libstdc++-v3/libsupc++/eh_personality.cc b/libstdc++-v3/libsupc++/eh_personality.cc
index 7576d407da4..5fd25f232d9 100644
--- a/libstdc++-v3/libsupc++/eh_personality.cc
+++ b/libstdc++-v3/libsupc++/eh_personality.cc
@@ -434,7 +434,11 @@ PERSONALITY_FUNCTION (int version,
   // Parse the LSDA header.
   p = parse_lsda_header (context, language_specific_data, &info);
   info.ttype_base = base_of_encoded_value (info.ttype_encoding, context);
+#ifdef HAVE_GETIPINFO
   ip = _Unwind_GetIPInfo (context, &ip_before_insn);
+#else
+  ip = _Unwind_GetIP (context);
+#endif
   if (! ip_before_insn)
     --ip;
   landing_pad = 0;
diff --git a/libstdc++-v3/po/Makefile.in b/libstdc++-v3/po/Makefile.in
index bdb58636ab9..1157e33cbea 100644
--- a/libstdc++-v3/po/Makefile.in
+++ b/libstdc++-v3/po/Makefile.in
@@ -43,6 +43,7 @@ ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/../config/enable.m4 \
 	$(top_srcdir)/../config/lead-dot.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
+	$(top_srcdir)/../config/unwind_ipinfo.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/crossconfig.m4 \
 	$(top_srcdir)/linkage.m4 $(top_srcdir)/acinclude.m4 \
 	$(top_srcdir)/../config/tls.m4 $(top_srcdir)/configure.ac
diff --git a/libstdc++-v3/src/Makefile.in b/libstdc++-v3/src/Makefile.in
index 187da8eb7a8..46e41b5f89c 100644
--- a/libstdc++-v3/src/Makefile.in
+++ b/libstdc++-v3/src/Makefile.in
@@ -43,6 +43,7 @@ ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/../config/enable.m4 \
 	$(top_srcdir)/../config/lead-dot.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
+	$(top_srcdir)/../config/unwind_ipinfo.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/crossconfig.m4 \
 	$(top_srcdir)/linkage.m4 $(top_srcdir)/acinclude.m4 \
 	$(top_srcdir)/../config/tls.m4 $(top_srcdir)/configure.ac
diff --git a/libstdc++-v3/testsuite/Makefile.in b/libstdc++-v3/testsuite/Makefile.in
index bd5a36deada..6ec17fd1cb8 100644
--- a/libstdc++-v3/testsuite/Makefile.in
+++ b/libstdc++-v3/testsuite/Makefile.in
@@ -43,6 +43,7 @@ ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/../config/enable.m4 \
 	$(top_srcdir)/../config/lead-dot.m4 \
 	$(top_srcdir)/../config/no-executables.m4 \
+	$(top_srcdir)/../config/unwind_ipinfo.m4 \
 	$(top_srcdir)/../libtool.m4 $(top_srcdir)/crossconfig.m4 \
 	$(top_srcdir)/linkage.m4 $(top_srcdir)/acinclude.m4 \
 	$(top_srcdir)/../config/tls.m4 $(top_srcdir)/configure.ac