blktrace: needs MMU support

iowatcher/main.c uses system() which uses fork().

Signed-off-by: Rahul Bedarkar <rahul.bedarkar@imgtec.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

diff --git a/package/blktrace/Config.in b/package/blktrace/Config.in
index 684157c7ebd48971092999859014fa221fb63734..dedfa03f03d1eb164a93ed43e4219768879adc1f 100644 (file)
--- a/package/blktrace/Config.in
+++ b/package/blktrace/Config.in
@@ -2,6 +2,7 @@ config BR2_PACKAGE_BLKTRACE
        bool "blktrace"
        depends on BR2_PACKAGE_LIBAIO_ARCH_SUPPORTS
        depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL # clock_nanosleep()
+       depends on BR2_USE_MMU # system()
        select BR2_PACKAGE_LIBAIO
        help
          blktrace is a block layer IO tracing mechanism which provides
@@ -11,5 +12,6 @@ config BR2_PACKAGE_BLKTRACE
          http://git.kernel.dk/?p=blktrace.git;a=summary
 
 comment "blktrace needs a toolchain w/ NPTL"
+       depends on BR2_USE_MMU
        depends on BR2_PACKAGE_LIBAIO_ARCH_SUPPORTS
        depends on !BR2_TOOLCHAIN_HAS_THREADS_NPTL