* configure.in: Don't set CC. Look for --enable-shared. Set

	BFDLIB and HLDFLAGS and substitute them.
	* configure: Rebuild.
	* Makefile.in (LIBS): Use @BFDLIB@.
	(HLDFLAGS): New variable.
	(gprof): Use $(HLDFLAGS).

4 files changed, 297 insertions, 24 deletions

diff --git a/gprof/ChangeLog b/gprof/ChangeLog
index be88f6e..a87e0dd 100644
--- a/gprof/ChangeLog
+++ b/gprof/ChangeLog
@@ -1,3 +1,12 @@
+Wed Feb  7 14:03:17 1996  Ian Lance Taylor  <ian@cygnus.com>
+
+	* configure.in: Don't set CC.  Look for --enable-shared.  Set
+	BFDLIB and HLDFLAGS and substitute them.
+	* configure: Rebuild.
+	* Makefile.in (LIBS): Use @BFDLIB@.
+	(HLDFLAGS): New variable.
+	(gprof): Use $(HLDFLAGS).
+
 Mon Feb  5 16:34:44 1996  Ian Lance Taylor  <ian@cygnus.com>
 
 	Support for building bfd and opcodes as shared libraries, based on
diff --git a/gprof/Makefile.in b/gprof/Makefile.in
index fb7234f..1f5e0f0 100644
--- a/gprof/Makefile.in
+++ b/gprof/Makefile.in
@@ -41,7 +41,7 @@ SRCS=	$(MY_TARGET).c basic_blocks.c call_graph.c \
 	sym_ids.c utils.c
 
 LIBDEPS = ../bfd/libbfd.a ../libiberty/libiberty.a
-LIBS = -L../bfd -lbfd ../libiberty/libiberty.a
+LIBS = @BFDLIB@ ../libiberty/libiberty.a
 
 OBJS=	$(MY_TARGET).o basic_blocks.o bsd_callg_bl.o call_graph.o \
 	cg_arcs.o cg_dfn.o cg_print.o core.o flat_bl.o fsf_callg_bl.o \
@@ -53,6 +53,7 @@ GEN_FILES = flat_bl.c bsd_callg_bl.c fsf_callg_bl.c
 
 CFLAGS=-g -DDEBUG
 LDFLAGS=
+HLDFLAGS = @HLDFLAGS@
 .c.o:
 	$(CC) -c $(CFLAGS) -I. -I$(srcdir) -I../bfd -I$(srcdir)/../include -I$(srcdir)/../bfd -DMACHINE_H=\"$(MY_TARGET).h\" $(TCFLAGS) $(HCFLAGS) $<
 
@@ -102,7 +103,7 @@ install: all
 	$(INSTALL_XFORM1) $(srcdir)/gprof.1 $(man1dir)/gprof.1
 
 gprof:	$(OBJS) $(LIBDEPS)
-	$(CC) -o $(PROG) $(LDFLAGS) $(OBJS) $(LIBS)
+	$(CC) -o $(PROG) $(HLDFLAGS) $(LDFLAGS) $(OBJS) $(LIBS)
 
 mostlyclean:
 	-rm -f *.o core gprof nohup.out \
diff --git a/gprof/configure b/gprof/configure
index 2408cbd..fba4710 100755
--- a/gprof/configure
+++ b/gprof/configure
@@ -1,7 +1,7 @@
 #! /bin/sh
 
 # Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf version 2.4 
+# Generated automatically using autoconf version 2.7 
 # Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
 #
 # This configure script is free software; the Free Software Foundation
@@ -11,6 +11,8 @@
 ac_help=
 ac_default_prefix=/usr/local
 # Any additions from configure.in:
+ac_help="$ac_help
+  --enable-shared         build shared BFD library"
 
 # Initialize some variables set by options.
 # The variables have the same names as the options, with
@@ -33,9 +35,22 @@ target=NONE
 verbose=
 x_includes=NONE
 x_libraries=NONE
+bindir='${exec_prefix}/bin'
+sbindir='${exec_prefix}/sbin'
+libexecdir='${exec_prefix}/libexec'
+datadir='${prefix}/share'
+sysconfdir='${prefix}/etc'
+sharedstatedir='${prefix}/com'
+localstatedir='${prefix}/var'
+libdir='${exec_prefix}/lib'
+includedir='${prefix}/include'
+oldincludedir='/usr/include'
+infodir='${prefix}/info'
+mandir='${prefix}/man'
 
 # Initialize some other variables.
 subdirs=
+MFLAGS= MAKEFLAGS=
 
 ac_prev=
 for ac_option
@@ -57,9 +72,14 @@ do
 
   case "$ac_option" in
 
-  -build | --build | --buil | --bui | --bu | --b)
+  -bindir | --bindir | --bindi | --bind | --bin | --bi)
+    ac_prev=bindir ;;
+  -bindir=* | --bindir=* | --bindi=* | --bind=* | --bin=* | --bi=*)
+    bindir="$ac_optarg" ;;
+
+  -build | --build | --buil | --bui | --bu)
     ac_prev=build ;;
-  -build=* | --build=* | --buil=* | --bui=* | --bu=* | --b=*)
+  -build=* | --build=* | --buil=* | --bui=* | --bu=*)
     build="$ac_optarg" ;;
 
   -cache-file | --cache-file | --cache-fil | --cache-fi \
@@ -69,6 +89,12 @@ do
   | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*)
     cache_file="$ac_optarg" ;;
 
+  -datadir | --datadir | --datadi | --datad | --data | --dat | --da)
+    ac_prev=datadir ;;
+  -datadir=* | --datadir=* | --datadi=* | --datad=* | --data=* | --dat=* \
+  | --da=*)
+    datadir="$ac_optarg" ;;
+
   -disable-* | --disable-*)
     ac_feature=`echo $ac_option|sed -e 's/-*disable-//'`
     # Reject names that are not valid shell variable names.
@@ -119,12 +145,29 @@ Configuration:
 Directory and file names:
   --prefix=PREFIX         install architecture-independent files in PREFIX
                           [$ac_default_prefix]
-  --exec-prefix=PREFIX    install architecture-dependent files in PREFIX
+  --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
                           [same as prefix]
+  --bindir=DIR            user executables in DIR [EPREFIX/bin]
+  --sbindir=DIR           system admin executables in DIR [EPREFIX/sbin]
+  --libexecdir=DIR        program executables in DIR [EPREFIX/libexec]
+  --datadir=DIR           read-only architecture-independent data in DIR
+                          [PREFIX/share]
+  --sysconfdir=DIR        read-only single-machine data in DIR [PREFIX/etc]
+  --sharedstatedir=DIR    modifiable architecture-independent data in DIR
+                          [PREFIX/com]
+  --localstatedir=DIR     modifiable single-machine data in DIR [PREFIX/var]
+  --libdir=DIR            object code libraries in DIR [EPREFIX/lib]
+  --includedir=DIR        C header files in DIR [PREFIX/include]
+  --oldincludedir=DIR     C header files for non-gcc in DIR [/usr/include]
+  --infodir=DIR           info documentation in DIR [PREFIX/info]
+  --mandir=DIR            man documentation in DIR [PREFIX/man]
   --srcdir=DIR            find the sources in DIR [configure dir or ..]
   --program-prefix=PREFIX prepend PREFIX to installed program names
   --program-suffix=SUFFIX append SUFFIX to installed program names
-  --program-transform-name=PROGRAM run sed PROGRAM on installed program names
+  --program-transform-name=PROGRAM
+                          run sed PROGRAM on installed program names
+EOF
+    cat << EOF
 Host type:
   --build=BUILD           configure for building on BUILD [BUILD=HOST]
   --host=HOST             configure for HOST [guessed]
@@ -136,8 +179,10 @@ Features and packages:
   --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
   --x-includes=DIR        X include files are in DIR
   --x-libraries=DIR       X library files are in DIR
---enable and --with options recognized:$ac_help
 EOF
+    if test -n "$ac_help"; then
+      echo "--enable and --with options recognized:$ac_help"
+    fi
     exit 0 ;;
 
   -host | --host | --hos | --ho)
@@ -145,6 +190,44 @@ EOF
   -host=* | --host=* | --hos=* | --ho=*)
     host="$ac_optarg" ;;
 
+  -includedir | --includedir | --includedi | --included | --include \
+  | --includ | --inclu | --incl | --inc)
+    ac_prev=includedir ;;
+  -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \
+  | --includ=* | --inclu=* | --incl=* | --inc=*)
+    includedir="$ac_optarg" ;;
+
+  -infodir | --infodir | --infodi | --infod | --info | --inf)
+    ac_prev=infodir ;;
+  -infodir=* | --infodir=* | --infodi=* | --infod=* | --info=* | --inf=*)
+    infodir="$ac_optarg" ;;
+
+  -libdir | --libdir | --libdi | --libd)
+    ac_prev=libdir ;;
+  -libdir=* | --libdir=* | --libdi=* | --libd=*)
+    libdir="$ac_optarg" ;;
+
+  -libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \
+  | --libexe | --libex | --libe)
+    ac_prev=libexecdir ;;
+  -libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \
+  | --libexe=* | --libex=* | --libe=*)
+    libexecdir="$ac_optarg" ;;
+
+  -localstatedir | --localstatedir | --localstatedi | --localstated \
+  | --localstate | --localstat | --localsta | --localst \
+  | --locals | --local | --loca | --loc | --lo)
+    ac_prev=localstatedir ;;
+  -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
+  | --localstate=* | --localstat=* | --localsta=* | --localst=* \
+  | --locals=* | --local=* | --loca=* | --loc=* | --lo=*)
+    localstatedir="$ac_optarg" ;;
+
+  -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
+    ac_prev=mandir ;;
+  -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*)
+    mandir="$ac_optarg" ;;
+
   -nfp | --nfp | --nf)
     # Obsolete; use --without-fp.
     with_fp=no ;;
@@ -157,6 +240,15 @@ EOF
   | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
     no_recursion=yes ;;
 
+  -oldincludedir | --oldincludedir | --oldincludedi | --oldincluded \
+  | --oldinclude | --oldinclud | --oldinclu | --oldincl | --oldinc \
+  | --oldin | --oldi | --old | --ol | --o)
+    ac_prev=oldincludedir ;;
+  -oldincludedir=* | --oldincludedir=* | --oldincludedi=* | --oldincluded=* \
+  | --oldinclude=* | --oldinclud=* | --oldinclu=* | --oldincl=* | --oldinc=* \
+  | --oldin=* | --oldi=* | --old=* | --ol=* | --o=*)
+    oldincludedir="$ac_optarg" ;;
+
   -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
     ac_prev=prefix ;;
   -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
@@ -197,6 +289,23 @@ EOF
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
 
+  -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
+    ac_prev=sbindir ;;
+  -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
+  | --sbi=* | --sb=*)
+    sbindir="$ac_optarg" ;;
+
+  -sharedstatedir | --sharedstatedir | --sharedstatedi \
+  | --sharedstated | --sharedstate | --sharedstat | --sharedsta \
+  | --sharedst | --shareds | --shared | --share | --shar \
+  | --sha | --sh)
+    ac_prev=sharedstatedir ;;
+  -sharedstatedir=* | --sharedstatedir=* | --sharedstatedi=* \
+  | --sharedstated=* | --sharedstate=* | --sharedstat=* | --sharedsta=* \
+  | --sharedst=* | --shareds=* | --shared=* | --share=* | --shar=* \
+  | --sha=* | --sh=*)
+    sharedstatedir="$ac_optarg" ;;
+
   -site | --site | --sit)
     ac_prev=site ;;
   -site=* | --site=* | --sit=*)
@@ -207,6 +316,13 @@ EOF
   -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
     srcdir="$ac_optarg" ;;
 
+  -sysconfdir | --sysconfdir | --sysconfdi | --sysconfd | --sysconf \
+  | --syscon | --sysco | --sysc | --sys | --sy)
+    ac_prev=sysconfdir ;;
+  -sysconfdir=* | --sysconfdir=* | --sysconfdi=* | --sysconfd=* | --sysconf=* \
+  | --syscon=* | --sysco=* | --sysc=* | --sys=* | --sy=*)
+    sysconfdir="$ac_optarg" ;;
+
   -target | --target | --targe | --targ | --tar | --ta | --t)
     ac_prev=target ;;
   -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
@@ -216,7 +332,7 @@ EOF
     verbose=yes ;;
 
   -version | --version | --versio | --versi | --vers)
-    echo "configure generated by autoconf version 2.4"
+    echo "configure generated by autoconf version 2.7"
     exit 0 ;;
 
   -with-* | --with-*)
@@ -262,7 +378,7 @@ EOF
   -*) { echo "configure: error: $ac_option: invalid option; use --help to show usage" 1>&2; exit 1; }
     ;;
 
-  *) 
+  *)
     if test -n "`echo $ac_option| sed 's/[-a-z0-9.]//g'`"; then
       echo "configure: warning: $ac_option: invalid host type" 1>&2
     fi
@@ -381,9 +497,12 @@ fi
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5 2>&5'
-ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5 2>&5'
+ac_cpp='echo $CPP $CPPFLAGS 1>&5;
+$CPP $CPPFLAGS'
+ac_compile='echo ${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5;
+${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5 2>&5'
+ac_link='echo ${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5;
+${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5 2>&5'
 
 if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
   # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
@@ -399,7 +518,16 @@ fi
 
 
 
-CC=${CC-cc}
+# Check whether --enable-shared or --disable-shared was given.
+if test "${enable_shared+set}" = set; then
+  enableval="$enable_shared"
+  case "${enableval}" in
+  yes) shared=true ;;
+  no)  shared=false ;;
+  *)   { echo "configure: error: bad value ${enableval} for BFD shared option" 1>&2; exit 1; } ;;
+esac
+fi
+
 # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
@@ -444,6 +572,7 @@ else
   ac_cv_prog_gcc=no
 fi
 fi
+
 echo "$ac_t""$ac_cv_prog_gcc" 1>&6
 if test $ac_cv_prog_gcc = yes; then
   GCC=yes
@@ -461,7 +590,8 @@ fi
 rm -f conftest*
 
 fi
-    echo "$ac_t""$ac_cv_prog_gcc_g" 1>&6
+
+echo "$ac_t""$ac_cv_prog_gcc_g" 1>&6
     if test $ac_cv_prog_gcc_g = yes; then
       CFLAGS="-g -O"
     else
@@ -500,7 +630,7 @@ ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.
 #
 # The rules are:
 # 1. You are not allowed to specify --host, --target, and nonopt at the
-#    same time. 
+#    same time.
 # 2. Host defaults to nonopt.
 # 3. If nonopt is not specified, then host defaults to the current host,
 #    as determined by config.guess.
@@ -582,8 +712,10 @@ test "$host_alias" != "$target_alias" &&
 if test "$program_transform_name" = s,x,x,; then
   program_transform_name=
 else
-  # Double any \ or $.
-  echo 's,\\,\\\\,g; s,\$,$$,g' > conftestsed
+  # Double any \ or $.  echo might interpret backslashes.
+  cat <<\EOF_SED > conftestsed
+s,\\,\\\\,g; s,\$,$$,g
+EOF_SED
   program_transform_name="`echo $program_transform_name|sed -f conftestsed`"
   rm -f conftestsed
 fi
@@ -603,11 +735,65 @@ i[345]86-*-*)	MY_TARGET=i386 ;;
 sparc-*-*)	MY_TARGET=sparc ;;
 tahoe-*-*)	MY_TARGET=tahoe ;;
 vax-*-*)	MY_TARGET=vax ;;
-ns32k-*-*|*-pc532-*)	MY_TARGET=ns532;;
+ns32k-*-*)	MY_TARGET=ns532;;
 *-*-*)		MY_TARGET=dummy ;;
 esac
 
 
+
+BFDLIB='-L../bfd -lbfd'
+
+# We need to handle some special cases if BFD was built shared.
+if test "${shared}" = "true"; then
+  case "${host}" in
+  *-*-sunos*)
+  # On SunOS, we must link against the name we are going to install,
+  # not -lbfd, since SunOS does not support SONAME.
+  BFDLIB='-L../bfd -l`echo bfd | sed '"'"'$(program_transform_name)'"'"'`'
+  ;;
+  esac
+fi
+
+
+HLDFLAGS=
+# If we have shared libraries, try to set rpath reasonably.
+if test "${shared}" = "true"; then
+  case "${host}" in
+  *-*-irix5*)
+    HLDFLAGS='-Wl,-rpath,$(libdir)'
+    ;;
+  *-*-linux*aout*)
+    ;;
+  *-*-linux*)
+    HLDFLAGS='-Wl,-rpath,$(libdir)'
+    ;;
+  *-*-sysv4* | *-*-solaris*)
+    HLDFLAGS='-R $(libdir)'
+    ;;
+  esac
+fi
+
+# On SunOS, if the linker supports the -rpath option, use it to
+# prevent ../bfd and ../opcodes from being included in the run time
+# search path.
+case "${host}" in
+  *-*-sunos*)
+    echo 'main () { }' > conftest.c
+    ${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t
+    if grep 'unrecognized' conftest.t >/dev/null 2>&1; then
+      :
+    elif grep 'No such file' conftest.t >/dev/null 2>&1; then
+      :
+    elif test "${shared}" = "true"; then
+      HLDFLAGS='-Wl,-rpath=$(libdir)'
+    else
+      HLDFLAGS='-Wl,-rpath='
+    fi
+    rm -f conftest.t conftest.c conftest
+    ;;
+esac
+
+
 trap '' 1 2 15
 cat > confcache <<\EOF
 # This file is a shell script that caches the results of configure
@@ -696,7 +882,7 @@ do
     echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
     exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
   -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
-    echo "$CONFIG_STATUS generated by autoconf version 2.4"
+    echo "$CONFIG_STATUS generated by autoconf version 2.7"
     exit 0 ;;
   -help | --help | --hel | --he | --h)
     echo "\$ac_cs_usage"; exit 0 ;;
@@ -707,10 +893,12 @@ done
 ac_given_srcdir=$srcdir
 
 trap 'rm -fr `echo "Makefile" | sed "s/:[^ ]*//g"` conftest*; exit 1' 1 2 15
+EOF
+cat >> $CONFIG_STATUS <<EOF
 
-# Protect against being on the right side of a sed subst in config.status. 
-sed 's/%@/@@/; s/@%/@@/; s/%g$/@g/; /@g$/s/[\\\\&%]/\\\\&/g; 
- s/@@/%@/; s/@@/@%/; s/@g$/%g/' > conftest.subs <<\CEOF
+# Protect against being on the right side of a sed subst in config.status.
+sed 's/%@/@@/; s/@%/@@/; s/%g\$/@g/; /@g\$/s/[\\\\&%]/\\\\&/g;
+ s/@@/%@/; s/@@/@%/; s/@g\$/%g/' > conftest.subs <<\\CEOF
 $ac_vpsub
 $extrasub
 s%@CFLAGS@%$CFLAGS%g
@@ -722,6 +910,18 @@ s%@LIBS@%$LIBS%g
 s%@exec_prefix@%$exec_prefix%g
 s%@prefix@%$prefix%g
 s%@program_transform_name@%$program_transform_name%g
+s%@bindir@%$bindir%g
+s%@sbindir@%$sbindir%g
+s%@libexecdir@%$libexecdir%g
+s%@datadir@%$datadir%g
+s%@sysconfdir@%$sysconfdir%g
+s%@sharedstatedir@%$sharedstatedir%g
+s%@localstatedir@%$localstatedir%g
+s%@libdir@%$libdir%g
+s%@includedir@%$includedir%g
+s%@oldincludedir@%$oldincludedir%g
+s%@infodir@%$infodir%g
+s%@mandir@%$mandir%g
 s%@CC@%$CC%g
 s%@host@%$host%g
 s%@host_alias@%$host_alias%g
@@ -739,6 +939,8 @@ s%@build_cpu@%$build_cpu%g
 s%@build_vendor@%$build_vendor%g
 s%@build_os@%$build_os%g
 s%@MY_TARGET@%$MY_TARGET%g
+s%@BFDLIB@%$BFDLIB%g
+s%@HLDFLAGS@%$HLDFLAGS%g
 
 CEOF
 EOF
diff --git a/gprof/configure.in b/gprof/configure.in
index 7849a85..393589d 100644
--- a/gprof/configure.in
+++ b/gprof/configure.in
@@ -2,7 +2,14 @@ dnl Process this file with autoconf to produce a configure script.
 AC_PREREQ(2.3)dnl
 AC_INIT(gprof.c)
 
-CC=${CC-cc}
+AC_ARG_ENABLE(shared,
+[  --enable-shared         build shared BFD library],
+[case "${enableval}" in
+  yes) shared=true ;;
+  no)  shared=false ;;
+  *)   AC_MSG_ERROR([bad value ${enableval} for BFD shared option]) ;;
+esac])dnl
+
 AC_PROG_CC
 
 AC_CANONICAL_SYSTEM
@@ -21,4 +28,58 @@ ns32k-*-*)	MY_TARGET=ns532;;
 esac
 
 AC_SUBST(MY_TARGET)
+
+BFDLIB='-L../bfd -lbfd'
+
+# We need to handle some special cases if BFD was built shared.
+if test "${shared}" = "true"; then
+  case "${host}" in
+  *-*-sunos*)
+  # On SunOS, we must link against the name we are going to install,
+  # not -lbfd, since SunOS does not support SONAME.
+  BFDLIB='-L../bfd -l`echo bfd | sed '"'"'$(program_transform_name)'"'"'`'
+  ;;
+  esac
+fi
+AC_SUBST(BFDLIB)
+
+HLDFLAGS=
+# If we have shared libraries, try to set rpath reasonably.
+if test "${shared}" = "true"; then
+  case "${host}" in
+  *-*-irix5*)
+    HLDFLAGS='-Wl,-rpath,$(libdir)'
+    ;;
+  *-*-linux*aout*)
+    ;;
+  *-*-linux*)
+    HLDFLAGS='-Wl,-rpath,$(libdir)'
+    ;;
+  *-*-sysv4* | *-*-solaris*)
+    HLDFLAGS='-R $(libdir)'
+    ;;
+  esac
+fi
+
+# On SunOS, if the linker supports the -rpath option, use it to
+# prevent ../bfd and ../opcodes from being included in the run time
+# search path.
+case "${host}" in
+  *-*-sunos*)
+    echo 'main () { }' > conftest.c
+    ${CC} -o conftest -Wl,-rpath= conftest.c >/dev/null 2>conftest.t
+    if grep 'unrecognized' conftest.t >/dev/null 2>&1; then
+      :
+    elif grep 'No such file' conftest.t >/dev/null 2>&1; then
+      :
+    elif test "${shared}" = "true"; then
+      HLDFLAGS='-Wl,-rpath=$(libdir)'
+    else
+      HLDFLAGS='-Wl,-rpath='
+    fi
+    rm -f conftest.t conftest.c conftest
+    ;;
+esac
+AC_SUBST(HLDFLAGS)
+
 AC_OUTPUT(Makefile)