$NetBSD: patch-gcc_configure,v 1.3 2014/11/28 09:57:32 obache Exp $

Add dl_iterate_phdr detection for FreeBSD and DragonFly.
Detection for NetBSD and OpenBSD is added but commented out in case this
error handling mechanism is activated for these platforms later.

--- gcc/configure.orig	2014-04-28 10:05:29.000000000 +0000
+++ gcc/configure
@@ -26864,6 +26864,7 @@ else
 fi
 
         ;;
+  *-*-openbsd*) gcc_cv_libc_provides_ssp=yes ;;
   *) gcc_cv_libc_provides_ssp=no ;;
     esac
 fi
@@ -26936,6 +26937,20 @@ case "$target" in
       gcc_cv_target_dl_iterate_phdr=no
     fi
     ;;
+  *-*-dragonfly* | *-*-freebsd*)
+  if grep dl_iterate_phdr $target_header_dir/sys/link_elf.h > /dev/null 2>&1; then
+      gcc_cv_target_dl_iterate_phdr=yes
+    else
+      gcc_cv_target_dl_iterate_phdr=no
+    fi
+  ;;
+# *-*-netbsd* | *-*-openbsd*)
+# if grep dl_iterate_phdr $target_header_dir/link_elf.h > /dev/null 2>&1; then
+#     gcc_cv_target_dl_iterate_phdr=yes
+#   else
+#     gcc_cv_target_dl_iterate_phdr=no
+#   fi
+# ;;
 esac
 
 if test x$gcc_cv_target_dl_iterate_phdr = xyes; then