gdb/ChangeLog

[deliverable/binutils-gdb.git] / configure

diff --git a/configure b/configure
index 56b80aeeb9ddaf347ee2390231cb5ee685da30f5..b146180397e57ed7b48c4511362435654cf1b928 100755 (executable)
--- a/configure
+++ b/configure
@@ -931,6 +931,7 @@ if test -n "$ac_init_help"; then
 Optional Features:
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
+  --enable-gold           use gold instead of ld
   --enable-libada         build libada directory
   --enable-libssp         build libssp directory
   --enable-stage1-languages[=all]   choose additional languages to build during
@@ -1864,6 +1865,7 @@ host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib l
 # know that we are building the simulator.
 # binutils, gas and ld appear in that order because it makes sense to run
 # "make check" in that particular order.
+# If --enable-gold is used, "gold" will replace "ld".
 host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar gnattools"
 
 # libgcj represents the runtime libraries only used by gcj.
@@ -1967,7 +1969,7 @@ use_gnu_ld=
 # Make sure we don't let GNU ld be added if we didn't want it.
 if test x$with_gnu_ld = xno ; then
   use_gnu_ld=no
-  noconfigdirs="$noconfigdirs ld"
+  noconfigdirs="$noconfigdirs ld gold"
 fi
 
 use_gnu_as=
@@ -2018,6 +2020,41 @@ case ${with_newlib} in
   yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
 esac
 
+# Handle --enable-gold.
+
+# Check whether --enable-gold or --disable-gold was given.
+if test "${enable_gold+set}" = set; then
+  enableval="$enable_gold"
+  ENABLE_GOLD=$enableval
+else
+  ENABLE_GOLD=no
+fi;
+if test "${ENABLE_GOLD}" = "yes"; then
+  # Check for ELF target.
+  is_elf=no
+  case "${target}" in
+    *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
+    | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
+    | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2*)
+      case "${target}" in
+        *-*-linux*aout* | *-*-linux*oldld*)
+          ;;
+        *)
+          is_elf=yes
+          ;;
+      esac
+  esac
+
+  if test "$is_elf" = "yes"; then
+    # Check for target supported by gold.
+    case "${target}" in
+      i?86-*-* | x86_64-*-*)
+        configdirs="`echo " ${configdirs} " | sed -e 's/ ld / gold /'`"
+        ;;
+    esac
+  fi
+fi
+
 # Configure extra directories which are host specific
 
 case "${host}" in
@@ -2743,12 +2780,36 @@ case "${host}" in
     host_makefile_frag="config/mh-djgpp"
     ;;
   *-cygwin*)
+
+echo "$as_me:$LINENO: checking to see if cat works as expected" >&5
+echo $ECHO_N "checking to see if cat works as expected... $ECHO_C" >&6
+echo a >cygwin-cat-check
+if test `cat cygwin-cat-check` == a ; then
+  rm cygwin-cat-check
+  echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+else
+  rm cygwin-cat-check
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+  { { echo "$as_me:$LINENO: error: The cat command does not ignore carriage return characters.
+  Please either mount the build directory in binary mode or run the following
+  commands before running any configure script:
+set -o igncr
+export SHELLOPTS
+  " >&5
+echo "$as_me: error: The cat command does not ignore carriage return characters.
+  Please either mount the build directory in binary mode or run the following
+  commands before running any configure script:
+set -o igncr
+export SHELLOPTS
+  " >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
     host_makefile_frag="config/mh-cygwin"
     ;;
-  *-mingw32*)
-    host_makefile_frag="config/mh-mingw"
-    ;;
-  *-mingw64*)
+  *-mingw*)
     host_makefile_frag="config/mh-mingw"
     ;;
   *-interix*)
@@ -5242,7 +5303,7 @@ if test x${use_gnu_as} = x &&
 fi
 
 if test x${use_gnu_ld} = x &&
-   echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
+   echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
   with_gnu_ld=yes
   extra_host_args="$extra_host_args --with-gnu-ld"
 fi