diff options
Diffstat (limited to 'Mk/Features/stack_autoinit.mk')
| -rw-r--r-- | Mk/Features/stack_autoinit.mk | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Mk/Features/stack_autoinit.mk b/Mk/Features/stack_autoinit.mk new file mode 100644 index 000000000000..4d79416dbcce --- /dev/null +++ b/Mk/Features/stack_autoinit.mk @@ -0,0 +1,23 @@ +# The STACK_AUTOINIT feature mimics the corresponding FreeBSD basesystem feature. +# +# This enables a compiler specific option to automatically initialize +# local (automatic) variables to prevent the use of uninitialized memory. +# +# Variables that can be used: +# +# WITH_STACK_AUTOINIT Enable for all ports. +# WITH_STACK_AUTOINIT_PORTS Enable for specified category/port-name +# STACK_AUTOINIT_TYPE Valid options: zero (default), pattern, unitialized +# + +.if !defined(_STACK_AUTOINIT_MK_INCLUDED) +_STACK_AUTOINIT_MK_INCLUDED= yes +STACK_AUTOINIT_Include_MAINTAINER= netchild@FreeBSD.org + +STACK_AUTOINIT_TYPE?= zero + +. if !defined(STATIC_AUTOINIT_UNSAFE) +CFLAGS+= -ftrivial-auto-var-init=${STACK_AUTOINIT_TYPE} +CXXFLAGS+= -ftrivial-auto-var-init=${STACK_AUTOINIT_TYPE} +. endif +.endif |