Properly install gold as default linker

PR gold/14897
	* configure.ac (--enable-ld): Removed.
	(install_as_default): Set to yes only for --enable-gold=default
	or --disable-ld.
	* configure: Regenerated.

gold/ChangeLog

@@ -1,3 +1,12 @@
+2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
+	    Ian Lance Taylor  <iant@google.com>
+
+	PR gold/14897
+	* configure.ac (--enable-ld): Removed.
+	(install_as_default): Set to yes only for --enable-gold=default
+	or --disable-ld.
+	* configure: Regenerated.
+
 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* options.h (General_options): Add -fuse-ld= for GCC linker

gold/configure

@@ -774,7 +774,6 @@ ac_subst_files=''
 ac_user_opts='
 enable_option_checking
 with_sysroot
-enable_ld
 enable_gold
 enable_threads
 enable_plugins
@@ -1424,7 +1423,6 @@ Optional Features:
   --disable-option-checking  ignore unrecognized --enable/--with options
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
-  --enable-ld[=ARG]     build ld [ARG={default,yes,no}]
   --enable-gold[=ARG]     build gold [ARG={default,yes,no}]
   --enable-threads        multi-threaded linking
   --enable-plugins        linker plugins
@@ -3270,35 +3268,21 @@ _ACEOF
 
 
 
-default_ld=
-# Check whether --enable-ld was given.
-if test "${enable_ld+set}" = set; then :
-  enableval=$enable_ld; case "${enableval}" in
-  default)
-    default_ld=ld.bfd
-    ;;
-esac
-fi
-
-
+installed_linker=ld.gold
 # Check whether --enable-gold was given.
 if test "${enable_gold+set}" = set; then :
   enableval=$enable_gold; case "${enableval}" in
- yes|default)
-   if test x${default_ld} = x; then
+ default)
+   install_as_default=yes
+   ;;
+ yes)
+   if test x${enable_ld} = xno; then
      install_as_default=yes
    fi
-   installed_linker=ld.gold
-   ;;
- no)
-   ;;
- *)
-   as_fn_error "invalid --enable-gold argument" "$LINENO" 5
    ;;
  esac
 else
   install_as_default=no
- installed_linker=ld.gold
 fi
 
 

gold/configure.ac

@@ -68,32 +68,20 @@ dnl "install_as_default" is true if the linker to be installed as the
 dnl default linker, ld.
 dnl "installed_linker" is the installed gold linker name.
 
-default_ld=
-AC_ARG_ENABLE(ld,
-[[  --enable-ld[=ARG]     build ld [ARG={default,yes,no}]]],
-[case "${enableval}" in
-  default)
-    default_ld=ld.bfd
-    ;;
-esac])
-
+installed_linker=ld.gold
 AC_ARG_ENABLE(gold,
 [[  --enable-gold[=ARG]     build gold [ARG={default,yes,no}]]],
 [case "${enableval}" in
- yes|default)
-   if test x${default_ld} = x; then
+ default)
+   install_as_default=yes
+   ;;
+ yes)
+   if test x${enable_ld} = xno; then
      install_as_default=yes
    fi
-   installed_linker=ld.gold
-   ;;
- no)
-   ;;
- *)
-   AC_MSG_ERROR([invalid --enable-gold argument])
    ;;
  esac],
-[install_as_default=no
- installed_linker=ld.gold])
+[install_as_default=no])
 AC_SUBST(install_as_default)
 AC_SUBST(installed_linker)