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Replace hardcoded -ldl with check for availability

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2013-05-17  Pavel Chupin  <pavel.v.chupin@intel.com>

	* acinclude.m4: Add check for dlopen in libdl.
	* configure.ac: Ditto.
	* configure: Regenerate.
This commit is contained in:
H.J. Lu 2013-05-17 16:24:21 +00:00
parent 4934fdafea
commit a48b32c068
4 changed files with 232 additions and 6 deletions
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6
gdb/ChangeLog
View File

@ -1,3 +1,9 @@
2013-05-17 Pavel Chupin <pavel.v.chupin@intel.com>
* acinclude.m4: Add check for dlopen in libdl.
* configure.ac: Ditto.
* configure: Regenerate.
2013-05-17 Phil Muldoon <pmuldoon@redhat.com>
* frame.c (frame_stash): Convert to htab.

2
gdb/acinclude.m4
View File

@ -455,7 +455,7 @@ AC_DEFUN([GDB_AC_CHECK_BFD], [
intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
# -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
if test "$plugins" = "yes"; then
LIBS="-ldl $LIBS"
AC_SEARCH_LIBS(dlopen, dl)
fi
LIBS="-lbfd -liberty $intl $LIBS"
AC_CACHE_CHECK([$1], [$2],

228
gdb/configure vendored
View File

@ -12600,7 +12600,62 @@ esac
intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
# -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
if test "$plugins" = "yes"; then
LIBS="-ldl $LIBS"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dlopen" >&5
$as_echo_n "checking for library containing dlopen... " >&6; }
if test "${ac_cv_search_dlopen+set}" = set; then :
$as_echo_n "(cached) " >&6
else
ac_func_search_save_LIBS=$LIBS
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
/* Override any GCC internal prototype to avoid an error.
Use char because int might match the return type of a GCC
builtin and then its argument prototype would still apply. */
#ifdef __cplusplus
extern "C"
#endif
char dlopen ();
int
main ()
{
return dlopen ();
;
return 0;
}
_ACEOF
for ac_lib in '' dl; do
if test -z "$ac_lib"; then
ac_res="none required"
else
ac_res=-l$ac_lib
LIBS="-l$ac_lib $ac_func_search_save_LIBS"
fi
if ac_fn_c_try_link "$LINENO"; then :
ac_cv_search_dlopen=$ac_res
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext
if test "${ac_cv_search_dlopen+set}" = set; then :
break
fi
done
if test "${ac_cv_search_dlopen+set}" = set; then :
else
ac_cv_search_dlopen=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dlopen" >&5
$as_echo "$ac_cv_search_dlopen" >&6; }
ac_res=$ac_cv_search_dlopen
if test "$ac_res" != no; then :
test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
fi
fi
LIBS="-lbfd -liberty $intl $LIBS"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ELF support in BFD" >&5
@ -12642,7 +12697,62 @@ $as_echo "#define HAVE_ELF 1" >>confdefs.h
# -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
if test "$plugins" = "yes"; then
LIBS="-ldl $LIBS"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dlopen" >&5
$as_echo_n "checking for library containing dlopen... " >&6; }
if test "${ac_cv_search_dlopen+set}" = set; then :
$as_echo_n "(cached) " >&6
else
ac_func_search_save_LIBS=$LIBS
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
/* Override any GCC internal prototype to avoid an error.
Use char because int might match the return type of a GCC
builtin and then its argument prototype would still apply. */
#ifdef __cplusplus
extern "C"
#endif
char dlopen ();
int
main ()
{
return dlopen ();
;
return 0;
}
_ACEOF
for ac_lib in '' dl; do
if test -z "$ac_lib"; then
ac_res="none required"
else
ac_res=-l$ac_lib
LIBS="-l$ac_lib $ac_func_search_save_LIBS"
fi
if ac_fn_c_try_link "$LINENO"; then :
ac_cv_search_dlopen=$ac_res
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext
if test "${ac_cv_search_dlopen+set}" = set; then :
break
fi
done
if test "${ac_cv_search_dlopen+set}" = set; then :
else
ac_cv_search_dlopen=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dlopen" >&5
$as_echo "$ac_cv_search_dlopen" >&6; }
ac_res=$ac_cv_search_dlopen
if test "$ac_res" != no; then :
test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
fi
fi
fi
@ -12659,7 +12769,62 @@ fi
intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
# -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
if test "$plugins" = "yes"; then
LIBS="-ldl $LIBS"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dlopen" >&5
$as_echo_n "checking for library containing dlopen... " >&6; }
if test "${ac_cv_search_dlopen+set}" = set; then :
$as_echo_n "(cached) " >&6
else
ac_func_search_save_LIBS=$LIBS
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
/* Override any GCC internal prototype to avoid an error.
Use char because int might match the return type of a GCC
builtin and then its argument prototype would still apply. */
#ifdef __cplusplus
extern "C"
#endif
char dlopen ();
int
main ()
{
return dlopen ();
;
return 0;
}
_ACEOF
for ac_lib in '' dl; do
if test -z "$ac_lib"; then
ac_res="none required"
else
ac_res=-l$ac_lib
LIBS="-l$ac_lib $ac_func_search_save_LIBS"
fi
if ac_fn_c_try_link "$LINENO"; then :
ac_cv_search_dlopen=$ac_res
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext
if test "${ac_cv_search_dlopen+set}" = set; then :
break
fi
done
if test "${ac_cv_search_dlopen+set}" = set; then :
else
ac_cv_search_dlopen=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dlopen" >&5
$as_echo "$ac_cv_search_dlopen" >&6; }
ac_res=$ac_cv_search_dlopen
if test "$ac_res" != no; then :
test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
fi
fi
LIBS="-lbfd -liberty $intl $LIBS"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for Mach-O support in BFD" >&5
@ -12711,7 +12876,62 @@ fi
intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
# -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
if test "$plugins" = "yes"; then
LIBS="-ldl $LIBS"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dlopen" >&5
$as_echo_n "checking for library containing dlopen... " >&6; }
if test "${ac_cv_search_dlopen+set}" = set; then :
$as_echo_n "(cached) " >&6
else
ac_func_search_save_LIBS=$LIBS
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
/* Override any GCC internal prototype to avoid an error.
Use char because int might match the return type of a GCC
builtin and then its argument prototype would still apply. */
#ifdef __cplusplus
extern "C"
#endif
char dlopen ();
int
main ()
{
return dlopen ();
;
return 0;
}
_ACEOF
for ac_lib in '' dl; do
if test -z "$ac_lib"; then
ac_res="none required"
else
ac_res=-l$ac_lib
LIBS="-l$ac_lib $ac_func_search_save_LIBS"
fi
if ac_fn_c_try_link "$LINENO"; then :
ac_cv_search_dlopen=$ac_res
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext
if test "${ac_cv_search_dlopen+set}" = set; then :
break
fi
done
if test "${ac_cv_search_dlopen+set}" = set; then :
else
ac_cv_search_dlopen=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dlopen" >&5
$as_echo "$ac_cv_search_dlopen" >&6; }
ac_res=$ac_cv_search_dlopen
if test "$ac_res" != no; then :
test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
fi
fi
LIBS="-lbfd -liberty $intl $LIBS"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for SOM support in BFD" >&5

2
gdb/configure.ac
View File

@ -2036,7 +2036,7 @@ if test $gdb_cv_var_elf = yes; then
[Define if ELF support should be included.])
# -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
if test "$plugins" = "yes"; then
LIBS="-ldl $LIBS"
AC_SEARCH_LIBS(dlopen, dl)
fi
fi