1 files changed, 51 insertions, 12 deletions

diff --git a/configure b/configure
index 133194c598..625d2f75ba 100755
--- a/configure
+++ b/configure
@@ -2317,7 +2317,7 @@ else
   cat > conftest.c <<\EOF
 foo () { }
 EOF
-if { ac_try='${CC-cc} -S conftest.c -o - | fgrep '$foo..ng' > /dev/null'; { (eval echo configure:2321: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; };
+if { ac_try='${CC-cc} -S conftest.c -o - | fgrep "\$foo..ng" > /dev/null'; { (eval echo configure:2321: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; };
 then
   libc_cv_gcc_alpha_ng_prefix=yes
 else
@@ -2350,8 +2350,14 @@ else
 static char __EH_FRAME_BEGIN__;
 _start ()
 {
+#ifdef CHECK__register_frame
   __register_frame (__EH_FRAME_BEGIN__);
   __deregister_frame (__EH_FRAME_BEGIN__);
+#endif
+#ifdef CHECK__register_frame_info
+  __register_frame_info (__EH_FRAME_BEGIN__);
+  __deregister_frame_info (__EH_FRAME_BEGIN__);
+#endif
 }
 int __eh_pc;
 __throw () {}
@@ -2365,23 +2371,44 @@ free () {}
 abort () {}
 __bzero () {}
 EOF
-if { ac_try='${CC-cc} $CFLAGS
+if { ac_try='${CC-cc} $CFLAGS -DCHECK__register_frame_info
 			    -nostdlib -nostartfiles
-			    -o conftest conftest.c -lgcc >&5'; { (eval echo configure:2371: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
-  libc_cv_gcc_dwarf2_unwind_info=yes
+			    -o conftest conftest.c -lgcc >&5'; { (eval echo configure:2377: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+  libc_cv_gcc_dwarf2_unwind_info=static
 else
   libc_cv_gcc_dwarf2_unwind_info=no
 fi
+if test $libc_cv_gcc_dwarf2_unwind_info = no; then
+  if { ac_try='${CC-cc} $CFLAGS -DCHECK__register_frame
+			      -nostdlib -nostartfiles
+			      -o conftest conftest.c -lgcc >&5'; { (eval echo configure:2385: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+    libc_cv_gcc_dwarf2_unwind_info=yes
+  else
+    libc_cv_gcc_dwarf2_unwind_info=no
+  fi
+fi
 rm -f conftest*
 fi
 
 echo "$ac_t""$libc_cv_gcc_dwarf2_unwind_info" 1>&6
-if test $libc_cv_gcc_dwarf2_unwind_info = yes; then
+case $libc_cv_gcc_dwarf2_unwind_info in
+yes)
   cat >> confdefs.h <<\EOF
 #define HAVE_DWARF2_UNWIND_INFO 1
 EOF
 
-fi
+  ;;
+static)
+  cat >> confdefs.h <<\EOF
+#define HAVE_DWARF2_UNWIND_INFO 1
+EOF
+
+  cat >> confdefs.h <<\EOF
+#define HAVE_DWARF2_UNWIND_INFO_STATIC 1
+EOF
+
+  ;;
+esac
 
 ### End of automated tests.
 ### Now run sysdeps configure fragments.
@@ -2425,7 +2452,7 @@ if test "$uname" = "sysdeps/generic"; then
   fi
 
   echo $ac_n "checking OS release for uname""... $ac_c" 1>&6
-echo "configure:2429: checking OS release for uname" >&5
+echo "configure:2456: checking OS release for uname" >&5
 if eval "test \"`echo '$''{'libc_cv_uname_release'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2447,7 +2474,7 @@ echo "$ac_t""$libc_cv_uname_release" 1>&6
   uname_release="$libc_cv_uname_release"
 
   echo $ac_n "checking OS version for uname""... $ac_c" 1>&6
-echo "configure:2451: checking OS version for uname" >&5
+echo "configure:2478: checking OS version for uname" >&5
 if eval "test \"`echo '$''{'libc_cv_uname_version'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2469,7 +2496,7 @@ else
 fi
 
 echo $ac_n "checking stdio selection""... $ac_c" 1>&6
-echo "configure:2473: checking stdio selection" >&5
+echo "configure:2500: checking stdio selection" >&5
 
 case $stdio in
 libio) cat >> confdefs.h <<\EOF
@@ -2481,7 +2508,7 @@ esac
 echo "$ac_t""$stdio" 1>&6
 
 echo $ac_n "checking ldap selection""... $ac_c" 1>&6
-echo "configure:2485: checking ldap selection" >&5
+echo "configure:2512: checking ldap selection" >&5
 
 case $add_ons in
 *ldap*)
@@ -2530,14 +2557,26 @@ if test $shared = default; then
   fi
 fi
 
+if test $static = no && test $shared = yes; then
+  case "$host_os" in
+  linux* | gnu*)
+    { echo "configure: error: 
+*** You must compile with support for the static library since the shared
+*** library uses it.  Restart configure without \`--disable-static'." 1>&2; exit 1; }
+    ;;
+  *)
+    ;;
+  esac
+fi
+
 echo $ac_n "checking whether -fPIC is default""... $ac_c" 1>&6
-echo "configure:2535: checking whether -fPIC is default" >&5
+echo "configure:2574: checking whether -fPIC is default" >&5
 if eval "test \"`echo '$''{'pic_default'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   pic_default=yes
 cat > conftest.c <<EOF
-#if defined(__PIC__) || defined(__pic__) || defined(PIC) || defined(pic)
+#if defined __PIC__ || defined __pic__ || defined PIC || defined pic
 # error PIC is default.
 #endif
 EOF