duma: not available on non-MMU platforms

By design, building duma on Blackfin and other non-MMU platforms is
quite useless: it uses page mappings to detect buffer overrun and
use-after-free programming errors. Therefore, this commit simply marks
duma as not available on non-MMU platforms.

Fixes:

  http://autobuild.buildroot.org/results/951/9519d7abb45c6a789874ec6bb84418c31a98916b/

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Thomas Petazzoni 2014-05-18 19:45:00 +02:00 committed by Peter Korsgaard
parent b8242149e4
commit 822d5d5f19

View File

@ -2,6 +2,10 @@ config BR2_PACKAGE_DUMA
bool "duma"
depends on BR2_INSTALL_LIBSTDCPP
depends on BR2_TOOLCHAIN_HAS_THREADS
# By design, duma uses page mapping to isolate
# allocations. Non-MMU platforms cannot perform such
# things.
depends on BR2_USE_MMU
help
D.U.M.A. - Detect Unintended Memory Access. A fork of the
Electric Fence library. Detects buffer overflow and
@ -17,4 +21,5 @@ config BR2_PACKAGE_DUMA_NO_LEAKDETECTION
endif # BR2_PACKAGE_DUMA
comment "duma needs a toolchain w/ C++, threads"
depends on BR2_USE_MMU
depends on !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_HAS_THREADS