gdb/

[pf3gnuchains/pf3gnuchains4x.git] / gdb / configure.ac

diff --git a/gdb/configure.ac b/gdb/configure.ac
index d65fd49..6d140cb 100644 (file)
--- a/gdb/configure.ac
+++ b/gdb/configure.ac
@@ -1470,16 +1470,39 @@ if test ${build} = ${host} -a ${host} = ${target} ; then
       # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
       RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
       LDFLAGS="$LDFLAGS $RDYNAMIC"
-      AC_TRY_LINK([], [],
-                 [found="-Wl,--dynamic-list"
-                  RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'],
-                 [RDYNAMIC="-rdynamic"
-                  LDFLAGS="$old_LDFLAGS $RDYNAMIC"
-                  AC_TRY_LINK([], [],
-                              [found="-rdynamic"],
-                              [found="no"
-                               # Error on its usage by .mh file.
-                               RDYNAMIC="no-rdynamic-available"])])
+      dynamic_list=false
+      if test "${have_libpython}" = no; then
+       AC_TRY_LINK([], [], [dynamic_list=true])
+      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 $PYTHON_CFLAGS"
+       AC_RUN_IFELSE(
+         AC_LANG_PROGRAM(
+           [#include "]${have_libpython}[/Python.h"],
+           [int err;
+            Py_Initialize ();
+            err = PyRun_SimpleString ("import itertools\n");
+            Py_Finalize ();
+            return err == 0 ? 0 : 1;]),
+         [dynamic_list=true], [], [true])
+       CFLAGS="$old_CFLAGS"
+      fi
+      if $dynamic_list;then
+       found="-Wl,--dynamic-list"
+       RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
+      else
+       RDYNAMIC="-rdynamic"
+       LDFLAGS="$old_LDFLAGS $RDYNAMIC"
+       AC_TRY_LINK([], [],
+                   [found="-rdynamic"],
+                   [found="no"
+                    # Error on its usage by .mh file.
+                    RDYNAMIC="no-rdynamic-available"])
+      fi
       AC_SUBST(RDYNAMIC)
       LDFLAGS="$old_LDFLAGS"
       AC_MSG_RESULT($found)