diff options
Diffstat (limited to 'gdb/configure.ac')
| -rw-r--r-- | gdb/configure.ac | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gdb/configure.ac b/gdb/configure.ac index 905c27b..16bcd56 100644 --- a/gdb/configure.ac +++ b/gdb/configure.ac @@ -1252,6 +1252,20 @@ if test "${with_intel_pt}" = no; then AC_MSG_WARN([Intel(R) Processor Trace support disabled; some features may be unavailable.]) HAVE_LIBIPT=no else + AC_PREPROC_IFELSE(AC_LANG_SOURCE([[ +#include <linux/perf_event.h> +#ifndef PERF_ATTR_SIZE_VER5 +# error +#endif + ]]), [perf_event=yes], [perf_event=no]) + if test "$perf_event" != yes; then + if test "$with_intel_pt" = yes; then + AC_MSG_ERROR([linux/perf_event.h missing or too old]) + else + AC_MSG_WARN([linux/perf_event.h missing or too old; some features may be unavailable.]) + fi + fi + AC_LIB_HAVE_LINKFLAGS([ipt], [], [#include "intel-pt.h"], [pt_insn_alloc_decoder (0);]) if test "$HAVE_LIBIPT" != yes; then if test "$with_intel_pt" = yes; then |