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--- a/js/src/configure.in 2012-11-01 19:42:20.130330321 +0100
+++ b/js/src/configure.in 2012-11-01 20:34:03.561351492 +0100
@@ -3477,7 +3477,16 @@
esac
dnl Performance measurement headers.
-AC_CHECK_HEADER(linux/perf_event.h, HAVE_LINUX_PERF_EVENT_H=1)
+AC_CHECK_HEADER(linux/perf_event.h,
+ [AC_CACHE_CHECK(for perf_event_open system call,ac_cv_perf_event_open,
+ [AC_TRY_COMPILE([#include <sys/syscall.h>],[return sizeof(__NR_perf_event_open);],
+ ac_cv_perf_event_open=yes,
+ ac_cv_perf_event_open=no)])])
+if test "$ac_cv_perf_event_open" = "yes"; then
+ HAVE_LINUX_PERF_EVENT_H=1
+else
+ HAVE_LINUX_PERF_EVENT_H=
+fi
AC_SUBST(HAVE_LINUX_PERF_EVENT_H)
dnl Checks for libraries.
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