diff options
Diffstat (limited to 'gdb/configure.ac')
| -rw-r--r-- | gdb/configure.ac | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gdb/configure.ac b/gdb/configure.ac index c17f587..149ac37 100644 --- a/gdb/configure.ac +++ b/gdb/configure.ac @@ -2321,6 +2321,47 @@ if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration) fi +# Check for babeltrace and babeltrace-ctf +AC_ARG_WITH(babeltrace, + AC_HELP_STRING([--with-babeltrace], [include babeltrace support (auto/yes/no)]), + [], [with_babeltrace=auto]) +AC_MSG_CHECKING([whether to use babeltrace]) +AC_MSG_RESULT([$with_babeltrace]) + +if test "x$with_babeltrace" = "xno"; then + AC_MSG_WARN([babletrace support disabled; GDB is unable to read CTF data.]) +else + # Append -Werror to CFLAGS so that configure can catch the warning + # "assignment from incompatible pointer type", which is related to + # the babeltrace change from 1.0.3 to 1.1.0. Babeltrace 1.1.0 works + # in GDB, while babeltrace 1.0.3 is broken. + # AC_LIB_HAVE_LINKFLAGS may modify CPPFLAGS in it, so it should be + # safe to save and restore CFLAGS here. + saved_CFLAGS=$CFLAGS + CFLAGS="$CFLAGS -Werror" + AC_LIB_HAVE_LINKFLAGS([babeltrace], [babeltrace-ctf], + [#include <babeltrace/babeltrace.h> + #include <babeltrace/ctf/events.h> + #include <babeltrace/ctf/iterator.h>], + [struct bt_iter_pos *pos = bt_iter_get_pos (bt_ctf_get_iter (NULL)); + struct bt_ctf_event *event = NULL; + const struct bt_definition *scope; + + scope = bt_ctf_get_top_level_scope (event, + BT_STREAM_EVENT_HEADER); + bt_ctf_get_uint64 (bt_ctf_get_field (event, scope, "id")); + ]) + CFLAGS=$saved_CFLAGS + + if test "$HAVE_LIBBABELTRACE" != yes; then + if test "$with_babeltrace" = yes; then + AC_MSG_ERROR([babeltrace is missing or unusable]) + else + AC_MSG_WARN([babeltrace is missing or unusable; GDB is unable to read CTF data.]) + fi + fi +fi + # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link # to an empty version. |