X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=config-ml.in;h=03f20aef816d80d2e91c12ee105b21d5ae52a8a8;hb=897a1d78634e6dbebb2c6924be609c4258b585f9;hp=b5b53e5c607d4757db8c643d72053ddb9eabf007;hpb=2a59259c98fe1a436c425b340802182d543b809b;p=deliverable%2Fbinutils-gdb.git

diff --git a/config-ml.in b/config-ml.in
index b5b53e5c60..03f20aef81 100644
--- a/config-ml.in
+++ b/config-ml.in
@@ -9,9 +9,9 @@
 #
 # if [ "${srcdir}" = "." ] ; then
 #   if [ "${with_target_subdir}" != "." ] ; then
-#     . ${srcdir}/${with_multisrctop}../../config-ml.in
+#     . ${with_multisrctop}../../config-ml.in
 #   else
-#     . ${srcdir}/${with_multisrctop}../config-ml.in
+#     . ${with_multisrctop}../config-ml.in
 #   fi
 # else
 #   . ${srcdir}/../config-ml.in
@@ -44,6 +44,10 @@
 # inter-library references also work in the source tree because symlink trees
 # are built when srcdir=.
 #
+# Unfortunately, trying to access the libraries in the build tree requires
+# the user to manually choose which library to use as GCC won't be able to
+# find the right one.  This is viewed as the lesser of two evils.
+#
 # Configure variables:
 # ${with_target_subdir} = "." for native, or ${target_alias} for cross.
 # Set by top level Makefile.
@@ -54,7 +58,8 @@
 #
 # Makefile variables:
 # MULTISRCTOP = number of multilib levels in source tree (+1 if cross)
-# MULITBUILDTOP = number of multilib levels in build tree
+# (FIXME: note that this is different than ${with_multisrctop}.  Check out.).
+# MULTIBUILDTOP = number of multilib levels in build tree
 # MULTIDIRS = list of multilib subdirs (eg: m68000 m68020 ...)
 # (only defined in each library's main Makefile).
 # MULTISUBDIR = installed subdirectory name with leading '/' (eg: /m68000)
@@ -65,19 +70,31 @@
 # libraries as desired.
 
 # We have to handle being invoked by both Cygnus configure and Autoconf.
-# We except both to define `srcdir' and `target' (we *could* figure them
-# out, but we'd have to do work that they're already done to figure them out).
-# We expect Cygnus configure to define `arguments' and Autoconf to define
-# `ac_configure_args'.
+#
+# Cygnus configure incoming variables:
+# srcdir, subdir, target, arguments
+#
+# Autoconf incoming variables:
+# srcdir, target, ac_configure_args
+#
+# We *could* figure srcdir and target out, but we'd have to do work that
+# our caller has already done to figure them out and requiring these two
+# seems reasonable.
 
 if [ -n "${ac_configure_args}" ]; then
   Makefile=${ac_file-Makefile}
   ml_config_shell=${CONFIG_SHELL-/bin/sh}
   ml_arguments="${ac_configure_args}"
+  ml_realsrcdir=${srcdir}
 else
   Makefile=${Makefile-Makefile}
   ml_config_shell=${config_shell-/bin/sh}
   ml_arguments="${arguments}"
+  if [ -n "${subdir}" -a "${subdir}" != "." ] ; then
+    ml_realsrcdir=${srcdir}/${subdir}
+  else
+    ml_realsrcdir=${srcdir}
+  fi
 fi
 
 # Scan all the arguments and set all the ones we need.
@@ -144,18 +161,20 @@ if [ "${enable_multilib}" = yes ]; then
 ml_toplevel_p=no
 if [ -z "${with_multisubdir}" ]; then
   if [ "${srcdir}" = "." ]; then
+    # Use ${ml_realsrcdir} instead of ${srcdir} here to account for ${subdir}.
     # ${with_target_subdir} = "." for native, otherwise target alias.
     if [ "${with_target_subdir}" = "." ]; then
-      if [ -f ../config-ml.in ]; then
+      if [ -f ${ml_realsrcdir}/../config-ml.in ]; then
 	ml_toplevel_p=yes
       fi
     else
-      if [ -f ../../config-ml.in ]; then
+      if [ -f ${ml_realsrcdir}/../../config-ml.in ]; then
 	ml_toplevel_p=yes
       fi
     fi
   else
-    if [ -f ${srcdir}/../config-ml.in ]; then
+    # Use ${ml_realsrcdir} instead of ${srcdir} here to account for ${subdir}.
+    if [ -f ${ml_realsrcdir}/../config-ml.in ]; then
       ml_toplevel_p=yes
     fi
   fi
@@ -163,129 +182,82 @@ fi
 
 # If this is the library's top level directory, set multidirs to the
 # multilib subdirs to support.  This lives at the top because we need
-# `multidirs' set right away, and this section is subject to frequent
-# editing (addition of new targets, etc.).
+# `multidirs' set right away.
 
 if [ "${ml_toplevel_p}" = yes ]; then
 
+multidirs=
+for i in `${CC-gcc} --print-multi-lib 2>/dev/null`; do
+  dir=`echo $i | sed -e 's/;.*$//'`
+  if [ "${dir}" = "." ]; then
+    true
+  else
+    if [ -z "${multidirs}" ]; then
+      multidirs="${dir}"
+    else
+      multidirs="${multidirs} ${dir}"
+    fi
+  fi
+done
+
 case "${target}" in
 # start-sanitize-arc
 arc-sbp-elf*)
-	if [ x$enable_biendian = xyes ]
-	then
-		multidirs="be host graphics audio be/host be/graphics be/audio"
-	else
-		multidirs="host graphics audio"
-	fi
-	;;
-arc-*-*)
-	multidirs="be"
-	;;
-# end-sanitize-arc
-hppa*-*-*)
-	multidirs="soft-float"
-	;;
-m68*-*-aout* | m68*-*-coff* | m68*-*-elf* | m68*-*-vxworks*)
-	multidirs="m68000 m68020 m68881 msoft-float m68000/m68881 m68000/msoft-float m68020/m68881 m68020/msoft-float"
-	;;
-i960-*-*)
-	multidirs=float
-	;;
-sparclite-*-* | sparclitefrw*-*-*)
-	multidirs="mfpu msoft-float mflat mno-flat mfpu/mflat mfpu/mno-flat msoft-float/mflat msoft-float/mno-flat"
-	;;
-sparc-*-* | sparcfrw*-*-*)
-	multidirs="soft v8 soft/v8"
-	;;
-z8k-*-coff)
-	multidirs="z8001 std z8001/std"
-	;;
-h8300-*-*)
-	multidirs=h8300h
-	;;
-h8500-*-*)
-	multidirs="mbig msmall mcompact mmedium"
-	;;
-# start-sanitize-jaguar
-jaguar-*-*)
-	multidirs="be"
-	;;
-# end-sanitize-jaguar
-sh-*-*)
-	multidirs="ml m2 ml/m2"
-# start-sanitize-sh3e
-	multidirs="ml m2 ml/m2 m3e ml/m3e"
-# end-sanitize-sh3e
-	;;
-mips*-*-*)
-	# Note that not all of these will be built for a particular
-	# target; what is build depends upon the output gcc
-	# --print-multi-lib.  We configure them all, to make our life
-	# simpler here.  If somebody cares about configuration
-	# efficiency, they will need to switch off on the various
-	# targets to configure just the directories needed for that
-	# target.
-	# 
-	# In the long run, it would be better to configure based on
-	# the output of gcc --print-multi-lib, but, to do that, we
-	# would have to build gcc before configuring newlib.
-	#
-	# Default to including the single-float directories.
-	if [ x$enable_single_float = x ]; then
-	  enable_single_float=yes
-	fi
-	if [ x$enable_single_float = xyes ]; then
-	  multidirs="soft-float single el eb mips1 mips3 soft-float/el soft-float/eb soft-float/mips1 soft-float/mips3 soft-float/el/mips1 soft-float/el/mips3 soft-float/eb/mips1 soft-float/eb/mips3 single/el single/eb single/mips1 single/mips3 single/el/mips1 single/el/mips3 single/eb/mips1 single/eb/mips3 el/mips1 el/mips3 eb/mips1 eb/mips3"
-	else
-	  multidirs="soft-float el eb mips1 mips3 soft-float/el soft-float/eb soft-float/mips1 soft-float/mips3 soft-float/el/mips1 soft-float/el/mips3 soft-float/eb/mips1 soft-float/eb/mips3 el/mips1 el/mips3 eb/mips1 eb/mips3"
-	fi
-	if [ x$enable_biendian = xno ]
+	if [ x$enable_biendian != xyes ]
 	then
-	  old_multidirs="${multidirs}"
-	  multidirs=""
+	  old_multidirs=${multidirs}
+	  multidirs=
 	  for x in ${old_multidirs}; do
-	    case "$x" in
-	      *endian* ) : ;;
-	      *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
+	    case "${x}" in
+	      *be*) ;;
+	      *) if [ x"$multidirs" = x ]; then
+		   multidirs="$x";
+		 else
+		   multidirs="${multidirs} ${x}"; 
+		 fi
+		 ;;
 	    esac
 	  done
 	fi
-	if [ x$enable_softfloat = xno ]
+	;;
+# end-sanitize-arc
+mips*-*-*)
+	if [ x$enable_single_float = xno ]
 	then
 	  old_multidirs="${multidirs}"
 	  multidirs=""
 	  for x in ${old_multidirs}; do
 	    case "$x" in
-	      *soft-float* ) : ;;
+	      *single* ) : ;;
 	      *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
 	    esac
 	  done
 	fi
-	if [ x$enable_relocatable = xno ]
+	if [ x$enable_biendian = xno ]
 	then
 	  old_multidirs="${multidirs}"
 	  multidirs=""
 	  for x in ${old_multidirs}; do
 	    case "$x" in
-	      *relocatable* ) : ;;
+	      *el* ) : ;;
+	      *eb* ) : ;;
 	      *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
 	    esac
 	  done
 	fi
-	if [ x$enable_sysv = xno ]
+	if [ x$enable_softfloat = xno ]
 	then
 	  old_multidirs="${multidirs}"
 	  multidirs=""
 	  for x in ${old_multidirs}; do
 	    case "$x" in
-	      *sysv* ) : ;;
+	      *soft-float* ) : ;;
 	      *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
 	    esac
 	  done
 	fi
 	;;
-powerpc-ibm-aix* | rs6000-ibm-aix*)
-	multidirs="soft-float common soft-float/common"
+powerpc*-*-* | rs6000*-*-*)
 	if [ x$enable_softfloat = xno ]
 	then
 	  old_multidirs="${multidirs}"
@@ -308,56 +280,50 @@ powerpc-ibm-aix* | rs6000-ibm-aix*)
 	    esac
 	  done
 	fi
-	;;
-powerpc-*-eabiaix*)
-	multidirs="soft-float relocatable little sysv little/sysv relocatable/little relocatable/sysv relocatable/little/sysv soft-float/relocatable soft-float/little soft-float/sysv soft-float/little/sysv soft-float/relocatable/little soft-float/relocatable/sysv soft-float/relocatable/little/sysv"
-	if [ x$enable_biendian = xno ]
+	if [ x$enable_powercpu = xno ]
 	then
 	  old_multidirs="${multidirs}"
 	  multidirs=""
 	  for x in ${old_multidirs}; do
 	    case "$x" in
-	      *endian* ) : ;;
+	      power | */power | */power/* ) : ;;
 	      *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
 	    esac
 	  done
 	fi
-	if [ x$enable_softfloat = xno ]
+	if [ x$enable_power2cpu = xno ]
 	then
 	  old_multidirs="${multidirs}"
 	  multidirs=""
 	  for x in ${old_multidirs}; do
 	    case "$x" in
-	      *soft-float* ) : ;;
+	      *power2* ) : ;;
 	      *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
 	    esac
 	  done
 	fi
-	if [ x$enable_relocatable = xno ]
+	if [ x$enable_powerpccpu = xno ]
 	then
 	  old_multidirs="${multidirs}"
 	  multidirs=""
 	  for x in ${old_multidirs}; do
 	    case "$x" in
-	      *relocatable* ) : ;;
+	      *powerpc* ) : ;;
 	      *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
 	    esac
 	  done
 	fi
-	if [ x$enable_sysv = xno ]
+	if [ x$enable_601cpu = xno ]
 	then
 	  old_multidirs="${multidirs}"
 	  multidirs=""
 	  for x in ${old_multidirs}; do
 	    case "$x" in
-	      *sysv* ) : ;;
+	      *601* ) : ;;
 	      *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
 	    esac
 	  done
 	fi
-	;;
-powerpc-*-eabi* | powerpc-*-elf* | powerpc-*-sysv4*)
-	multidirs="soft-float relocatable little aix little/aix relocatable/little relocatable/aix relocatable/little/aix soft-float/relocatable soft-float/little soft-float/aix soft-float/little/aix soft-float/relocatable/little soft-float/relocatable/aix soft-float/relocatable/little/aix aixdesc soft-float/aixdesc"
 	if [ x$enable_biendian = xno ]
 	then
 	  old_multidirs="${multidirs}"
@@ -369,17 +335,6 @@ powerpc-*-eabi* | powerpc-*-elf* | powerpc-*-sysv4*)
 	    esac
 	  done
 	fi
-	if [ x$enable_softfloat = xno ]
-	then
-	  old_multidirs="${multidirs}"
-	  multidirs=""
-	  for x in ${old_multidirs}; do
-	    case "$x" in
-	      *soft-float* ) : ;;
-	      *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
-	    esac
-	  done
-	fi
 	if [ x$enable_relocatable = xno ]
 	then
 	  old_multidirs="${multidirs}"
@@ -391,49 +346,13 @@ powerpc-*-eabi* | powerpc-*-elf* | powerpc-*-sysv4*)
 	    esac
 	  done
 	fi
-	if [ x$enable_aix = xno ]
-	then
-	  old_multidirs="${multidirs}"
-	  multidirs=""
-	  for x in ${old_multidirs}; do
-	    case "$x" in
-	      *aix* ) : ;;
-	      *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
-	    esac
-	  done
-	fi
-	;;
-powerpcle-*-eabi* | powerpcle-*-elf* | powerpcle-*-sysv4*)
-	multidirs="soft-float relocatable big aix big/aix relocatable/big relocatable/aix relocatable/big/aix soft-float/relocatable soft-float/big soft-float/aix soft-float/big/aix soft-float/relocatable/big soft-float/relocatable/aix soft-float/relocatable/big/aix"
-	if [ x$enable_biendian = xno ]
-	then
-	  old_multidirs="${multidirs}"
-	  multidirs=""
-	  for x in ${old_multidirs}; do
-	    case "$x" in
-	      *endian* ) : ;;
-	      *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
-	    esac
-	  done
-	fi
-	if [ x$enable_softfloat = xno ]
-	then
-	  old_multidirs="${multidirs}"
-	  multidirs=""
-	  for x in ${old_multidirs}; do
-	    case "$x" in
-	      *soft-float* ) : ;;
-	      *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
-	    esac
-	  done
-	fi
-	if [ x$enable_relocatable = xno ]
+	if [ x$enable_sysv = xno ]
 	then
 	  old_multidirs="${multidirs}"
 	  multidirs=""
 	  for x in ${old_multidirs}; do
 	    case "$x" in
-	      *relocatable* ) : ;;
+	      *sysv* ) : ;;
 	      *) if [ x"$multidirs" = x ]; then multidirs="$x"; else multidirs="${multidirs} ${x}"; fi ;;
 	    esac
 	  done
@@ -450,9 +369,6 @@ powerpcle-*-eabi* | powerpcle-*-elf* | powerpcle-*-sysv4*)
 	  done
 	fi
 	;;
-*)
-	multidirs=
-	;;
 esac
 
 # Add code to library's top level makefile to handle building the multilib
@@ -499,7 +415,7 @@ multi-clean:
 	if [ -z "$(MULTIDIRS)" ]; then \
 	  true; \
 	else \
-	  lib=`pwd | sed -e 's,^.*/\([^/][^/]*\)/$$,\1,'`; \
+	  lib=`pwd | sed -e 's,^.*/\([^/][^/]*\)$$,\1,'`; \
 	  for dir in Makefile $(MULTIDIRS); do \
 	    if [ -f ../$${dir}/$${lib}/Makefile ]; then \
 	      if (cd ../$${dir}/$${lib}; $(MAKE) $(FLAGS_TO_PASS) $(DO)); \
@@ -519,7 +435,7 @@ mv Makefile.tem ${Makefile}
 fi # ${ml_toplevel_p} = yes
 
 if [ "${ml_verbose}" = --verbose ]; then
-  echo "Adding multilib support to Makefile in `pwd`"
+  echo "Adding multilib support to Makefile in ${ml_realsrcdir}"
   if [ "${ml_toplevel_p}" = yes ]; then
     echo "multidirs=${multidirs}"
   fi