gdb/
[binutils-gdb.git] / gdb / configure
index 02ec9701204c50c7f462d8773f6d2d1fae3ba146..2c7db685a5442f4280ce8b45333e97db7d7b2066 100755 (executable)
@@ -657,8 +657,10 @@ SYSTEM_GDBINIT
 TARGET_SYSTEM_ROOT_DEFINE
 TARGET_SYSTEM_ROOT
 CONFIG_LDFLAGS
+RDYNAMIC
 ALLOCA
 PYTHON_CFLAGS
+python_prog_path
 LTLIBEXPAT
 LIBEXPAT
 HAVE_LIBEXPAT
@@ -1657,7 +1659,8 @@ Optional Packages:
   --with-gnu-ld           assume the C compiler uses GNU ld default=no
   --with-libexpat-prefix[=DIR]  search for libexpat in DIR/include and DIR/lib
   --without-libexpat-prefix     don't search for libexpat in includedir and libdir
-  --with-python           include python support (auto/yes/no/<path>)
+  --with-python[=PYTHON]  include python support
+                          (auto/yes/no/<python-program>)
   --without-included-regex
                           don't use included regex; this is the default on
                           systems with version 2 of the GNU C library (use
@@ -2119,8 +2122,10 @@ $as_echo "$ac_res" >&6; }
 ac_fn_c_check_decl ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $2 is declared" >&5
-$as_echo_n "checking whether $2 is declared... " >&6; }
+  as_decl_name=`echo $2|sed 's/ *(.*//'`
+  as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
+$as_echo_n "checking whether $as_decl_name is declared... " >&6; }
 if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
   $as_echo_n "(cached) " >&6
 else
@@ -2130,8 +2135,12 @@ $4
 int
 main ()
 {
-#ifndef $2
-  (void) $2;
+#ifndef $as_decl_name
+#ifdef __cplusplus
+  (void) $as_decl_use;
+#else
+  (void) $as_decl_name;
+#endif
 #endif
 
   ;
@@ -7776,6 +7785,7 @@ _ACEOF
 
 
 
+
   if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
      if test "x$prefix" = xNONE; then
        test_prefix=/usr/local
@@ -7799,6 +7809,7 @@ _ACEOF
 
 
 
+
 # GDB's datadir relocation
 
 
@@ -7823,6 +7834,7 @@ _ACEOF
 
 
 
+
   if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
      if test "x$prefix" = xNONE; then
        test_prefix=/usr/local
@@ -7847,6 +7859,7 @@ _ACEOF
 
 
 
+
 # Check whether --with-relocated-sources was given.
 if test "${with_relocated_sources+set}" = set; then :
   withval=$with_relocated_sources; reloc_srcdir="${withval}"
@@ -10431,6 +10444,8 @@ fi
 
 
 
+
+
 # Check whether --with-python was given.
 if test "${with_python+set}" = set; then :
   withval=$with_python;
@@ -10449,35 +10464,252 @@ $as_echo "$as_me: WARNING: python support disabled; some features may be unavail
   have_libpython=no
 else
   case "${with_python}" in
-  yes | auto)
-    # Leave as empty, use defaults.
-    python_includes=
-    python_libs=
-    ;;
   /*)
-    python_includes="-I${with_python}/include"
-    python_libs="-L${with_python}/lib"
+    if test -d ${with_python}; then
+      # Assume the python binary is ${with_python}/bin/python.
+      python_prog="${with_python}/bin/python"
+      python_prefix=
+      if test ! -x "${python_prog}"; then
+        # Fall back to gdb 7.0/7.1 behaviour.
+        python_prog=missing
+        python_prefix=${with_python}
+      fi
+    elif test -x "${with_python}"; then
+      # While we can't run python compiled for $host (unless host == build),
+      # the user could write a script that provides the needed information,
+      # so we support that.
+      python_prog=${with_python}
+      python_prefix=
+    else
+      as_fn_error "invalid value for --with-python" "$LINENO" 5
+    fi
     ;;
-  *)
+  */*)
+    # Disallow --with-python=foo/bar.
     as_fn_error "invalid value for --with-python" "$LINENO" 5
     ;;
+  *)
+    # The user has either specified auto, yes, or the name of the python
+    # program assumed to be in $PATH.
+    python_prefix=
+    case "${with_python}" in
+    yes | auto)
+      if test ${build} = ${host}; then
+        # Extract the first word of "python", so it can be a program name with args.
+set dummy python; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_path_python_prog_path+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $python_prog_path in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_python_prog_path="$python_prog_path" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_path_python_prog_path="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  test -z "$ac_cv_path_python_prog_path" && ac_cv_path_python_prog_path="missing"
+  ;;
+esac
+fi
+python_prog_path=$ac_cv_path_python_prog_path
+if test -n "$python_prog_path"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $python_prog_path" >&5
+$as_echo "$python_prog_path" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+        if test "${python_prog_path}" = missing; then
+          python_prog=missing
+        else
+          python_prog=${python_prog_path}
+        fi
+      else
+        # Not much we can do except assume the cross-compiler will find the
+        # right files.
+        python_prog=missing
+      fi
+      ;;
+    *)
+      # While we can't run python compiled for $host (unless host == build),
+      # the user could write a script that provides the needed information,
+      # so we support that.
+      python_prog="${with_python}"
+      # Extract the first word of "${python_prog}", so it can be a program name with args.
+set dummy ${python_prog}; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_path_python_prog_path+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $python_prog_path in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_python_prog_path="$python_prog_path" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_path_python_prog_path="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  test -z "$ac_cv_path_python_prog_path" && ac_cv_path_python_prog_path="missing"
+  ;;
+esac
+fi
+python_prog_path=$ac_cv_path_python_prog_path
+if test -n "$python_prog_path"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $python_prog_path" >&5
+$as_echo "$python_prog_path" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+      if test "${python_prog_path}" = missing; then
+        as_fn_error "unable to find python program ${python_prog}" "$LINENO" 5
+      fi
+      ;;
+    esac
   esac
 
+  if test "${python_prog}" != missing; then
+    # We have a python program to use, but it may be too old.
+    # Don't flag an error for --with-python=auto (the default).
+    have_python_config=yes
+    python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
+    if test $? != 0; then
+      have_python_config=failed
+      if test "${with_python}" != auto; then
+        as_fn_error "failure running python-config --includes" "$LINENO" 5
+      fi
+    fi
+    python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
+    if test $? != 0; then
+      have_python_config=failed
+      if test "${with_python}" != auto; then
+        as_fn_error "failure running python-config --ldflags" "$LINENO" 5
+      fi
+    fi
+    python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
+    if test $? != 0; then
+      have_python_config=failed
+      if test "${with_python}" != auto; then
+        as_fn_error "failure running python-config --exec-prefix" "$LINENO" 5
+      fi
+    fi
+  else
+    # Fall back to gdb 7.0/7.1 behaviour.
+    if test -z ${python_prefix}; then
+      python_includes=
+      python_libs=
+    else
+      python_includes="-I${python_prefix}/include"
+      python_libs="-L${python_prefix}/lib"
+    fi
+    have_python_config=no
+  fi
+
+  # Having "/pythonX.Y" in the include path is awkward.
+  # All those python headers get bubbled up to the top inviting lots
+  # of random collisions.  GDB originally didn't use python-config to
+  # find the compilation parameters and includes "pythonX.Y/" in the
+  # path of the, umm, include file.  So strip away this part of the
+  # output of python-config --includes.
+  python_includes=`echo "${python_includes} " \
+                        | sed -e 's,/python[0-9]*[.][0-9]* , ,g'`
+
+  # If we have python-config, only try the configuration it provides.
+  # Otherwise fallback on the old way of trying different versions of
+  # python in turn.
+
+  have_libpython=no
+  if test "${have_python_config}" = yes; then
+    python_version=`echo " ${python_libs} " \
+                         | sed -e 's,^.* -l\(python[0-9]*[.][0-9]*\) .*$,\1,'`
+    case "${python_version}" in
+    python*)
+
+  version=${python_version}
+
+  new_CPPFLAGS=${python_includes}
+  new_LIBS=${python_libs}
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${version}" >&5
+$as_echo_n "checking for ${version}... " >&6; }
   save_CPPFLAGS=$CPPFLAGS
-  CPPFLAGS="$CPPFLAGS ${python_includes}"
   save_LIBS=$LIBS
-  LIBS="$LIBS ${python_libs}"
-  have_libpython=no
-  if test "${have_libpython}" = no; then
+  CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
+  LIBS="$LIBS $new_LIBS"
+  found_usable_python=no
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include "${version}/Python.h"
+int
+main ()
+{
+Py_Initialize ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  have_libpython=${version}
+                  found_usable_python=yes
+else
+  CPPFLAGS=$save_CPPFLAGS
+                  LIBS=$save_LIBS
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${found_usable_python}" >&5
+$as_echo "${found_usable_python}" >&6; }
 
-  version=python2.6
+      ;;
+    *)
+      as_fn_error "unable to determine python version from ${python_libs}" "$LINENO" 5
+      ;;
+    esac
+  elif test "${have_python_config}" != failed; then
+    if test "${have_libpython}" = no; then
 
+  version=python2.7
 
-  HAVE_LIBPYTHON2_6=no
+  new_CPPFLAGS=${python_includes}
+  new_LIBS="${python_libs} -lpython2.7"
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${version}" >&5
 $as_echo_n "checking for ${version}... " >&6; }
+  save_CPPFLAGS=$CPPFLAGS
   save_LIBS=$LIBS
-  LIBS="$LIBS -l${version}"
+  CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
+  LIBS="$LIBS $new_LIBS"
+  found_usable_python=no
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include "${version}/Python.h"
@@ -10490,32 +10722,68 @@ Py_Initialize ();
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  HAVE_LIBPYTHON2_6=yes
-                  have_libpython=yes
+  have_libpython=${version}
+                  found_usable_python=yes
 else
-  LIBS=$save_LIBS
+  CPPFLAGS=$save_CPPFLAGS
+                  LIBS=$save_LIBS
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_LIBPYTHON2_6" >&5
-$as_echo "$HAVE_LIBPYTHON2_6" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${found_usable_python}" >&5
+$as_echo "${found_usable_python}" >&6; }
 
-    if test "${HAVE_LIBPYTHON2_6}" = yes; then
+    fi
+    if test "${have_libpython}" = no; then
 
-$as_echo "#define HAVE_LIBPYTHON2_6 1" >>confdefs.h
+  version=python2.6
+
+  new_CPPFLAGS=${python_includes}
+  new_LIBS="${python_libs} -lpython2.6"
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${version}" >&5
+$as_echo_n "checking for ${version}... " >&6; }
+  save_CPPFLAGS=$CPPFLAGS
+  save_LIBS=$LIBS
+  CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
+  LIBS="$LIBS $new_LIBS"
+  found_usable_python=no
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include "${version}/Python.h"
+int
+main ()
+{
+Py_Initialize ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  have_libpython=${version}
+                  found_usable_python=yes
+else
+  CPPFLAGS=$save_CPPFLAGS
+                  LIBS=$save_LIBS
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${found_usable_python}" >&5
+$as_echo "${found_usable_python}" >&6; }
 
     fi
-  fi
-  if test ${have_libpython} = no; then
+    if test ${have_libpython} = no; then
 
   version=python2.5
 
-
-  HAVE_LIBPYTHON2_5=no
+  new_CPPFLAGS=${python_includes}
+  new_LIBS="${python_libs} -lpython2.5"
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${version}" >&5
 $as_echo_n "checking for ${version}... " >&6; }
+  save_CPPFLAGS=$CPPFLAGS
   save_LIBS=$LIBS
-  LIBS="$LIBS -l${version}"
+  CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
+  LIBS="$LIBS $new_LIBS"
+  found_usable_python=no
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include "${version}/Python.h"
@@ -10528,32 +10796,31 @@ Py_Initialize ();
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  HAVE_LIBPYTHON2_5=yes
-                  have_libpython=yes
+  have_libpython=${version}
+                  found_usable_python=yes
 else
-  LIBS=$save_LIBS
+  CPPFLAGS=$save_CPPFLAGS
+                  LIBS=$save_LIBS
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_LIBPYTHON2_5" >&5
-$as_echo "$HAVE_LIBPYTHON2_5" >&6; }
-
-    if test "${HAVE_LIBPYTHON2_5}" = yes; then
-
-$as_echo "#define HAVE_LIBPYTHON2_5 1" >>confdefs.h
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${found_usable_python}" >&5
+$as_echo "${found_usable_python}" >&6; }
 
     fi
-  fi
-  if test ${have_libpython} = no; then
+    if test ${have_libpython} = no; then
 
   version=python2.4
 
-
-  HAVE_LIBPYTHON2_4=no
+  new_CPPFLAGS=${python_includes}
+  new_LIBS="${python_libs} -lpython2.4"
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${version}" >&5
 $as_echo_n "checking for ${version}... " >&6; }
+  save_CPPFLAGS=$CPPFLAGS
   save_LIBS=$LIBS
-  LIBS="$LIBS -l${version}"
+  CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
+  LIBS="$LIBS $new_LIBS"
+  found_usable_python=no
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include "${version}/Python.h"
@@ -10566,23 +10833,38 @@ Py_Initialize ();
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  HAVE_LIBPYTHON2_4=yes
-                  have_libpython=yes
+  have_libpython=${version}
+                  found_usable_python=yes
 else
-  LIBS=$save_LIBS
+  CPPFLAGS=$save_CPPFLAGS
+                  LIBS=$save_LIBS
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $HAVE_LIBPYTHON2_4" >&5
-$as_echo "$HAVE_LIBPYTHON2_4" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${found_usable_python}" >&5
+$as_echo "${found_usable_python}" >&6; }
+
+    fi
+  fi
+  if test "${have_libpython}" = python2.7; then
 
-    if test "${HAVE_LIBPYTHON2_4}" = yes; then
+$as_echo "#define HAVE_LIBPYTHON2_7 1" >>confdefs.h
+
+  elif test "${have_libpython}" = python2.6; then
+
+$as_echo "#define HAVE_LIBPYTHON2_6 1" >>confdefs.h
+
+  elif test "${have_libpython}" = python2.5; then
+
+$as_echo "#define HAVE_LIBPYTHON2_5 1" >>confdefs.h
+
+  elif test "${have_libpython}" = python2.4; then
 
 $as_echo "#define HAVE_LIBPYTHON2_4 1" >>confdefs.h
 
-    fi
   fi
-  if test ${have_libpython} = no; then
+
+  if test "${have_libpython}" = no; then
     case "${with_python}" in
     yes)
       as_fn_error "python is missing or unusable" "$LINENO" 5
@@ -10595,18 +10877,48 @@ $as_echo "$as_me: WARNING: python is missing or unusable; some features may be u
       as_fn_error "no usable python found at ${with_python}" "$LINENO" 5
       ;;
     esac
-    CPPFLAGS=$save_CPPFLAGS
-    LIBS=$save_LIBS
+  else
+    if test -n "${python_prefix}"; then
+
+cat >>confdefs.h <<_ACEOF
+#define WITH_PYTHON_PATH "${python_prefix}"
+_ACEOF
+
+
+  if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
+     if test "x$prefix" = xNONE; then
+       test_prefix=/usr/local
+     else
+       test_prefix=$prefix
+     fi
+  else
+     test_prefix=$exec_prefix
+  fi
+  value=0
+  case ${python_prefix} in
+     "${test_prefix}"|"${test_prefix}/"*|\
+       '${exec_prefix}'|'${exec_prefix}/'*)
+     value=1
+     ;;
+  esac
+
+cat >>confdefs.h <<_ACEOF
+#define PYTHON_PATH_RELOCATABLE $value
+_ACEOF
+
+
+    fi
   fi
 fi
 
-if test "${have_libpython}" = yes; then
+if test "${have_libpython}" != no; then
 
 $as_echo "#define HAVE_PYTHON 1" >>confdefs.h
 
   CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
   CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
   CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
+  CONFIG_INSTALL="$CONFIG_INSTALL install-python"
   ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
 
   # Flags needed to compile Python code (taken from python-config --cflags).
@@ -12235,10 +12547,10 @@ $as_echo "#define HAVE_WORKING_FORK 1" >>confdefs.h
 fi
 
 for ac_func in canonicalize_file_name realpath getrusage getuid \
-               getgid pipe poll pread64 sbrk setpgid setpgrp setsid \
+               getgid pipe poll pread64 resize_term sbrk setpgid setpgrp setsid \
                sigaction sigprocmask sigsetmask socketpair syscall \
-               ttrace wborder setlocale iconvlist libiconvlist btowc \
-               setrlimit getrlimit posix_madvise
+               ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
+               setrlimit getrlimit posix_madvise waitpid
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
@@ -13916,6 +14228,80 @@ $as_echo "$gdb_cv_bigtoc" >&6; }
   ;;
 esac
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for the dynamic export flag" >&5
+$as_echo_n "checking for the dynamic export flag... " >&6; }
+dynamic_list=false
+if test "${gdb_native}" = yes; then
+   # The dynamically loaded libthread_db needs access to symbols in the gdb
+   # executable.  Older GNU ld supports --export-dynamic but --dynamic-list
+   # may not be supported there.
+   old_LDFLAGS="$LDFLAGS"
+   # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
+   RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
+   LDFLAGS="$LDFLAGS $RDYNAMIC"
+   if test "${have_libpython}" = no; then
+     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  dynamic_list=true
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+   else
+     # Workaround http://bugs.python.org/issue4434 where static
+     # libpythonX.Y.a would get its symbols required for
+     # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
+     # Problem does not happen for the recommended libpythonX.Y.so linkage.
+     old_CFLAGS="$CFLAGS"
+     CFLAGS="$CFLAGS $PYTHON_CFLAGS"
+     if test "$cross_compiling" = yes; then :
+  true
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include "${have_libpython}/Python.h"
+int
+main ()
+{
+int err;
+          Py_Initialize ();
+          err = PyRun_SimpleString ("import itertools\n");
+          Py_Finalize ();
+          return err == 0 ? 0 : 1;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  dynamic_list=true
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+     CFLAGS="$old_CFLAGS"
+   fi
+   LDFLAGS="$old_LDFLAGS"
+fi
+if $dynamic_list; then
+  found="-Wl,--dynamic-list"
+  RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
+else
+  found="-rdynamic"
+  RDYNAMIC="-rdynamic"
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $found" >&5
+$as_echo "$found" >&6; }
 
 
 if test ${build} = ${host} -a ${host} = ${target} ; then
@@ -14001,38 +14387,7 @@ _ACEOF
 
 fi
 
-         if test "$GCC" = "yes" ; then
-            # The GNU linker requires the -export-dynamic option to make
-            # all symbols visible in the dynamic symbol table.
-            hold_ldflags=$LDFLAGS
-            { $as_echo "$as_me:${as_lineno-$LINENO}: checking for the ld -export-dynamic flag" >&5
-$as_echo_n "checking for the ld -export-dynamic flag... " >&6; }
-            LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
-            cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-int
-main ()
-{
-int i;
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  found=yes
-else
-  found=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-            LDFLAGS=$hold_ldflags
-            { $as_echo "$as_me:${as_lineno-$LINENO}: result: $found" >&5
-$as_echo "$found" >&6; }
-            if test $found = yes; then
-               CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
-            fi
-         fi
+        CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
         # Sun randomly tweaked the prototypes in <proc_service.h>
         # at one point.
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking if <proc_service.h> is old" >&5
@@ -14389,6 +14744,7 @@ _ACEOF
 
 
 
+
   if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
      if test "x$prefix" = xNONE; then
        test_prefix=/usr/local
@@ -14412,6 +14768,7 @@ _ACEOF
 
 
 
+
 # Check whether --enable-werror was given.
 if test "${enable_werror+set}" = set; then :
   enableval=$enable_werror; case "${enableval}" in