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

diff --git a/gcc/configure b/gcc/configure
index 488ef84..a1f874b 100755 (executable)
--- a/gcc/configure
+++ b/gcc/configure
@@ -10968,6 +10968,46 @@ $as_echo "#define HAVE_CLOCK_T 1" >>confdefs.h
 
 fi
 
+# Check if F_SETLKW is supported by fcntl.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for F_SETLKW" >&5
+$as_echo_n "checking for F_SETLKW... " >&6; }
+if test "${ac_cv_f_setlkw+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <fcntl.h>
+int
+main ()
+{
+
+struct flock fl;
+fl.l_whence = 0;
+fl.l_start = 0;
+fl.l_len = 0;
+fl.l_pid = 0;
+return fcntl (1, F_SETLKW, &fl);
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_f_setlkw=yes
+else
+  ac_cv_f_setlkw=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_f_setlkw" >&5
+$as_echo "$ac_cv_f_setlkw" >&6; }
+if test $ac_cv_f_setlkw = yes; then
+
+$as_echo "#define HOST_HAS_F_SETLKW 1" >>confdefs.h
+
+fi
+
 # Restore CFLAGS, CXXFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
 CFLAGS="$saved_CFLAGS"
 CXXFLAGS="$saved_CXXFLAGS"
@@ -17970,7 +18010,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 17973 "configure"
+#line 18013 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -18076,7 +18116,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 18079 "configure"
+#line 18119 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -26490,7 +26530,9 @@ if test "${gcc_cv_ld_no_dot_syms+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   gcc_cv_ld_no_dot_syms=no
-    if test $in_tree_ld = yes ; then
+    if test x"$ld_is_gold" = xyes; then
+      gcc_cv_ld_no_dot_syms=yes
+    elif test $in_tree_ld = yes ; then
       if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2; then
         gcc_cv_ld_no_dot_syms=yes
       fi
@@ -26534,7 +26576,9 @@ if test "${gcc_cv_ld_large_toc+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   gcc_cv_ld_large_toc=no
-    if test $in_tree_ld = yes ; then
+    if test x"$ld_is_gold" = xyes; then
+      gcc_cv_ld_large_toc=yes
+    elif test $in_tree_ld = yes ; then
       if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 21 -o "$gcc_cv_gld_major_version" -gt 2; then
         gcc_cv_ld_large_toc=yes
       fi
@@ -26722,6 +26766,11 @@ else
             $target_header_dir/bits/uClibc_config.h > /dev/null; then
          gcc_cv_libc_provides_ssp=yes
        fi
+      # all versions of Bionic support stack protector
+      elif test -f $target_header_dir/sys/cdefs.h \
+        && $EGREP '^[  ]*#[    ]*define[       ]+__BIONIC__[   ]+1' \
+           $target_header_dir/sys/cdefs.h > /dev/null; then
+         gcc_cv_libc_provides_ssp=yes
       fi
        ;;
        *-*-gnu*)