2010-01-27 Matthias Klose <doko@ubuntu.com>

[pf3gnuchains/gcc-fork.git] / gcc / configure

diff --git a/gcc/configure b/gcc/configure
index 4a1fe5b..589c8b4 100755 (executable)
--- a/gcc/configure
+++ b/gcc/configure
@@ -23630,6 +23630,50 @@ if test $gcc_cv_as_powerpc_tls_markers = yes; then
 $as_echo "#define HAVE_AS_TLS_MARKERS 1" >>confdefs.h
 
 fi
+
+    case $target in
+      *-*-aix*)
+       { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for .ref support" >&5
+$as_echo_n "checking assembler for .ref support... " >&6; }
+if test "${gcc_cv_as_aix_ref+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  gcc_cv_as_aix_ref=no
+    if test $in_tree_gas = yes; then
+    if test $gcc_cv_gas_vers -ge `expr \( \( 2.21.0 \* 1000 \) + gcc_cv_as_aix_ref=yes \) \* 1000 + `
+  then :
+fi
+  elif test x$gcc_cv_as != x; then
+    echo '     .csect stuff[rw]
+            stuff:
+               .long 1
+               .extern sym
+               .ref sym
+         ' > conftest.s
+    if { ac_try='$gcc_cv_as $gcc_cv_as_flags  -o conftest.o conftest.s >&5'
+  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }
+    then
+       gcc_cv_as_aix_ref=yes
+    else
+      echo "configure: failed program was" >&5
+      cat conftest.s >&5
+    fi
+    rm -f conftest.o conftest.s
+  fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_aix_ref" >&5
+$as_echo "$gcc_cv_as_aix_ref" >&6; }
+if test $gcc_cv_as_aix_ref = yes; then
+
+$as_echo "#define HAVE_AS_REF 1" >>confdefs.h
+
+fi
+       ;;
+    esac
     ;;
 
   mips*-*-*)
@@ -24176,9 +24220,9 @@ $as_echo "$gcc_cv_as_gnu_unique_object" >&6; }
 if test $gcc_cv_as_gnu_unique_object = yes; then
   # Also check for ld.so support, i.e. glibc 2.11 or higher.
    if test x$host = x$build -a x$host = x$target &&
-       glibcver=`ldd --version 2>/dev/null`; then
-      glibcmajor=`expr "$glibcver" : "ldd (GNU libc) \([0-9]*\)"`
-      glibcminor=`expr "$glibcver" : "ldd (GNU libc) [0-9]*\.\([0-9]*\)"`
+       glibcver=`ldd --version 2>/dev/null | sed 's/.* //;q'`; then
+      glibcmajor=`expr "$glibcver" : "\(0-9*\)"`
+      glibcminor=`expr "$glibcver" : "2-9*\.\(0-9*\)"`
       glibcnum=`expr $glibcmajor \* 1000 + $glibcminor`
       if test "$glibcnum" -ge 2011 ; then
         enable_gnu_unique_object=yes
@@ -25036,6 +25080,7 @@ $as_echo_n "checking for -rdynamic... " >&6; }
   fi
 
   # Check -ldl
+  saved_LIBS="$LIBS"
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dlopen" >&5
 $as_echo_n "checking for library containing dlopen... " >&6; }
 if test "${ac_cv_search_dlopen+set}" = set; then :
@@ -25095,8 +25140,10 @@ fi
   if test x"$ac_cv_search_dlopen" = x"-ldl"; then
     pluginlibs="$pluginlibs -ldl"
   fi
+  LIBS="$saved_LIBS"
 
   # Check that we can build shared objects with -fPIC -shared
+  saved_LDFLAGS="$LDFLAGS"
   LDFLAGS="$LDFLAGS -fPIC -shared"
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fPIC -shared" >&5
 $as_echo_n "checking for -fPIC -shared... " >&6; }
@@ -25124,6 +25171,7 @@ rm -f core conftest.err conftest.$ac_objext \
     pluginlibs=
     enable_plugin=no
   fi
+  LDFLAGS="$saved_LDFLAGS"
 
   # If plugin support had been requested but not available, fail.
   if test x"$enable_plugin" = x"no" ; then