configure.ac: For --enable-gold, handle value `default' instead of `both*'.

2010-11-23  Matthias Klose  <doko@ubuntu.com>

	* configure.ac: For --enable-gold, handle value `default' instead of
	`both*'.   New configure option --{en,dis}able-ld.
	* configure: Regenerate.

From-SVN: r167076

ChangeLog

+2010-11-23  Matthias Klose  <doko@ubuntu.com>
+
+	* configure.ac: For --enable-gold, handle value `default' instead of
+	`both*'.   New configure option --{en,dis}able-ld.
+	* configure: Regenerate.
+
 2010-11-20  Ian Lance Taylor  <iant@google.com>
 
 	* configure.ac: Only disable a language library if no language needs

configure

@@ -741,6 +741,7 @@ ac_user_opts='
 enable_option_checking
 with_build_libsubdir
 enable_gold
+enable_ld
 enable_libada
 enable_libssp
 enable_build_with_cxx
@@ -1450,7 +1451,8 @@ 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-gold[=ARG]     build gold [ARG={both}[/{gold,ld}]]
+  --enable-gold[=ARG]     build gold [ARG={default,yes,no}]
+  --enable-ld[=ARG]     build ld [ARG={default,yes,no}]
   --enable-libada         build libada directory
   --enable-libssp         build libssp directory
   --enable-build-with-cxx build with C++ compiler instead of C compiler
@@ -2849,13 +2851,21 @@ case ${with_newlib} in
   yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
 esac
 
-# Handle --enable-gold.
-#   --enable-gold		Build only gold
-#   --disable-gold [default]	Build only ld
-#   --enable-gold=both		Build both gold and ld, ld is default
-#   --enable-gold=both/ld	Same
-#   --enable-gold=both/gold	Build both gold and ld, gold is default, ld is renamed ld.bfd
-
+# Handle --enable-gold, --enable-ld.
+# --disable-gold [--enable-ld]
+#     Build only ld.  Default option.
+# --enable-gold[=default] [--enable-ld]
+#     Build both gold and ld.  Install gold as "ld.gold" and "ld",
+#     install ld as "ld.bfd".
+# --enable-gold[=default] --disable-ld
+#     Build only gold, which is then installed as both "ld.gold" and "ld".
+# --enable-gold --enable-ld=default
+#     Build both gold (installed as "gold") and ld (installed as "ld").
+#     In other words, ld is default
+# --enable-gold=default --enable-ld=default
+#     Error.
+
+default_ld=
 # Check whether --enable-gold was given.
 if test "${enable_gold+set}" = set; then :
   enableval=$enable_gold; ENABLE_GOLD=$enableval
@@ -2863,8 +2873,8 @@ else
   ENABLE_GOLD=no
 fi
 
-  case "${ENABLE_GOLD}" in
-  yes|both|both/gold|both/ld)
+case "${ENABLE_GOLD}" in
+  yes|default)
     # Check for ELF target.
     is_elf=no
     case "${target}" in
@@ -2884,14 +2894,10 @@ fi
       # Check for target supported by gold.
       case "${target}" in
         i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
-	  case "${ENABLE_GOLD}" in
-	  both*)
-            configdirs="$configdirs gold"
-	    ;;
-	  *)
-            configdirs=`echo " ${configdirs} " | sed -e 's/ ld / gold /'`
-	    ;;
-	  esac
+	  configdirs="$configdirs gold"
+	  if test x${ENABLE_GOLD} = xdefault; then
+	    default_ld=gold
+	  fi
 	  ENABLE_GOLD=yes
           ;;
       esac
@@ -2902,7 +2908,35 @@ fi
   *)
     as_fn_error "invalid --enable-gold argument" "$LINENO" 5
     ;;
-  esac
+esac
+
+# Check whether --enable-ld was given.
+if test "${enable_ld+set}" = set; then :
+  enableval=$enable_ld; ENABLE_LD=$enableval
+else
+  ENABLE_LD=yes
+fi
+
+
+case "${ENABLE_LD}" in
+  default)
+    if test x${default_ld} != xgold; then
+      as_fn_error "either gold or ld can be the default ld" "$LINENO" 5
+    fi
+    ;;
+  yes)
+    ;;
+  no)
+    if test x${ENABLE_GOLD} != xyes; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: neither ld nor gold are enabled" >&5
+$as_echo "$as_me: WARNING: neither ld nor gold are enabled" >&2;}
+    fi
+    configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
+    ;;
+  *)
+    as_fn_error "invalid --enable-ld argument" "$LINENO" 5
+    ;;
+esac
 
 # Configure extra directories which are host specific
 

configure.ac

@@ -324,19 +324,27 @@ case ${with_newlib} in
   yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
 esac
 
-# Handle --enable-gold.
-#   --enable-gold		Build only gold
-#   --disable-gold [default]	Build only ld
-#   --enable-gold=both		Build both gold and ld, ld is default
-#   --enable-gold=both/ld	Same
-#   --enable-gold=both/gold	Build both gold and ld, gold is default, ld is renamed ld.bfd
-
+# Handle --enable-gold, --enable-ld.
+# --disable-gold [--enable-ld]
+#     Build only ld.  Default option.
+# --enable-gold[=default] [--enable-ld]
+#     Build both gold and ld.  Install gold as "ld.gold" and "ld",
+#     install ld as "ld.bfd".
+# --enable-gold[=default] --disable-ld
+#     Build only gold, which is then installed as both "ld.gold" and "ld".
+# --enable-gold --enable-ld=default
+#     Build both gold (installed as "gold") and ld (installed as "ld").
+#     In other words, ld is default
+# --enable-gold=default --enable-ld=default
+#     Error.
+
+default_ld=
 AC_ARG_ENABLE(gold,
-[[  --enable-gold[=ARG]     build gold [ARG={both}[/{gold,ld}]]]],
+[[  --enable-gold[=ARG]     build gold [ARG={default,yes,no}]]],
 ENABLE_GOLD=$enableval,
 ENABLE_GOLD=no)
-  case "${ENABLE_GOLD}" in
-  yes|both|both/gold|both/ld)
+case "${ENABLE_GOLD}" in
+  yes|default)
     # Check for ELF target.
     is_elf=no
     case "${target}" in
@@ -356,14 +364,10 @@ ENABLE_GOLD=no)
       # Check for target supported by gold.
       case "${target}" in
         i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
-	  case "${ENABLE_GOLD}" in 
-	  both*)
-            configdirs="$configdirs gold"
-	    ;;
-	  *)
-            configdirs=`echo " ${configdirs} " | sed -e 's/ ld / gold /'`
-	    ;;
-	  esac
+	  configdirs="$configdirs gold"
+	  if test x${ENABLE_GOLD} = xdefault; then
+	    default_ld=gold
+	  fi
 	  ENABLE_GOLD=yes
           ;;
       esac
@@ -374,7 +378,31 @@ ENABLE_GOLD=no)
   *)
     AC_MSG_ERROR([invalid --enable-gold argument])
     ;;
-  esac
+esac
+
+AC_ARG_ENABLE(ld,
+[[  --enable-ld[=ARG]     build ld [ARG={default,yes,no}]]],
+ENABLE_LD=$enableval,
+ENABLE_LD=yes)
+
+case "${ENABLE_LD}" in
+  default)
+    if test x${default_ld} != xgold; then
+      AC_MSG_ERROR([either gold or ld can be the default ld])
+    fi
+    ;;
+  yes)
+    ;;
+  no)
+    if test x${ENABLE_GOLD} != xyes; then
+      AC_MSG_WARN([neither ld nor gold are enabled])
+    fi
+    configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
+    ;;
+  *)
+    AC_MSG_ERROR([invalid --enable-ld argument])
+    ;;
+esac
 
 # Configure extra directories which are host specific