configure.ac: Add an additional checks for dladdr and dlopen on dld.

2006-04-28  Andreas Tobler  <a.tobler@schweiz.ch>

	* configure.ac: Add an additional checks for dladdr and dlopen on dld.
	* configure: Rebuilt.

From-SVN: r113323

3 files changed, 176 insertions, 5 deletions

diff --git a/libjava/ChangeLog b/libjava/ChangeLog
index 87ef89dfb4f..ae7766eb0a0 100644
--- a/libjava/ChangeLog
+++ b/libjava/ChangeLog
@@ -1,3 +1,8 @@
+2006-04-28  Andreas Tobler  <a.tobler@schweiz.ch>
+
+	* configure.ac: Add an additional checks for dladdr and dlopen on dld.
+	* configure: Rebuilt.
+
 2006-04-25  Tom Tromey  <tromey@redhat.com>
 
 	* gnu/gcj/runtime/natSharedLibLoader.cc: Include gc.h later.
diff --git a/libjava/configure b/libjava/configure
index 9553685188b..6361ecfb32e 100755
--- a/libjava/configure
+++ b/libjava/configure
@@ -10036,6 +10036,7 @@ fi
 
 done
 
+   # Do an additional check on dld, HP-UX for example has dladdr in libdld.sl
    echo "$as_me:$LINENO: checking for dladdr in -ldl" >&5
 echo $ECHO_N "checking for dladdr in -ldl... $ECHO_C" >&6
 if test "${ac_cv_lib_dl_dladdr+set}" = set; then
@@ -10112,6 +10113,86 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_DLADDR 1
 _ACEOF
 
+else
+
+       echo "$as_me:$LINENO: checking for dladdr in -ldld" >&5
+echo $ECHO_N "checking for dladdr in -ldld... $ECHO_C" >&6
+if test "${ac_cv_lib_dld_dladdr+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldld  $LIBS"
+if test x$gcc_no_link = xyes; then
+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char dladdr ();
+int
+main ()
+{
+dladdr ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_lib_dld_dladdr=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_lib_dld_dladdr=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+echo "$as_me:$LINENO: result: $ac_cv_lib_dld_dladdr" >&5
+echo "${ECHO_T}$ac_cv_lib_dld_dladdr" >&6
+if test $ac_cv_lib_dld_dladdr = yes; then
+
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_DLADDR 1
+_ACEOF
+
+fi
+
 fi
 
 
@@ -12949,7 +13030,7 @@ done
 echo "$as_me: error: memcpy is required" >&2;}
    { (exit 1); exit 1; }; }
    fi
-
+   # Do an additional check on dld, HP-UX for example has dlopen in libdld.sl
    echo "$as_me:$LINENO: checking for dlopen in -ldl" >&5
 echo $ECHO_N "checking for dlopen in -ldl... $ECHO_C" >&6
 if test "${ac_cv_lib_dl_dlopen+set}" = set; then
@@ -13026,6 +13107,86 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_DLOPEN 1
 _ACEOF
 
+else
+
+       echo "$as_me:$LINENO: checking for dlopen in -ldld" >&5
+echo $ECHO_N "checking for dlopen in -ldld... $ECHO_C" >&6
+if test "${ac_cv_lib_dld_dlopen+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldld  $LIBS"
+if test x$gcc_no_link = xyes; then
+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char dlopen ();
+int
+main ()
+{
+dlopen ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_lib_dld_dlopen=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_lib_dld_dlopen=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+echo "$as_me:$LINENO: result: $ac_cv_lib_dld_dlopen" >&5
+echo "${ECHO_T}$ac_cv_lib_dld_dlopen" >&6
+if test $ac_cv_lib_dld_dlopen = yes; then
+
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_DLOPEN 1
+_ACEOF
+
+fi
+
 fi
 
 
diff --git a/libjava/configure.ac b/libjava/configure.ac
index 1077b8dd8fc..5732fb21c71 100644
--- a/libjava/configure.ac
+++ b/libjava/configure.ac
@@ -897,9 +897,12 @@ else
 		   inet_pton uname inet_ntoa \
 		   fork execvp pipe sigaction ftruncate])
    AC_CHECK_FUNCS(inet_aton inet_addr, break)
-   AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h) 
+   AC_CHECK_HEADERS(execinfo.h unistd.h dlfcn.h)
+   # Do an additional check on dld, HP-UX for example has dladdr in libdld.sl
    AC_CHECK_LIB(dl, dladdr, [
-       AC_DEFINE(HAVE_DLADDR, 1, [Define if you have dladdr()])])
+       AC_DEFINE(HAVE_DLADDR, 1, [Define if you have dladdr()])], [
+       AC_CHECK_LIB(dld, dladdr, [
+       AC_DEFINE(HAVE_DLADDR, 1, [Define if you have dladdr()])])])
 
    if test x"$build" = x"$host"; then
      AC_CHECK_FILES(/proc/self/exe, [
@@ -1053,9 +1056,11 @@ else
    if test "$memcpy_found" = no; then
       AC_MSG_ERROR([memcpy is required])
    fi
-
+   # Do an additional check on dld, HP-UX for example has dlopen in libdld.sl
    AC_CHECK_LIB(dl, dlopen, [
-       AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])])
+       AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])], [
+       AC_CHECK_LIB(dld, dlopen, [
+       AC_DEFINE(HAVE_DLOPEN, 1, [Define if dlopen is available])])])
 
    # Some library-finding code we stole from Tcl.
    #--------------------------------------------------------------------