[PATCH] wvstreams: Set optimization to -O0 to avoid breaking stack protection.

[PATCH] wvstreams: Set optimization to -O0 to avoid breaking stack protection.

[Søren Holm]

A description of the bug is here :
See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=674006
---
 meta-oe/recipes-connectivity/wvdial/wvstreams_4.6.1.bb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/meta-oe/recipes-connectivity/wvdial/wvstreams_4.6.1.bb b/meta-
oe/recipes-connectivity/wvdial/wvstreams_4.6.1.bb
index ce2b337..869402b 100644
--- a/meta-oe/recipes-connectivity/wvdial/wvstreams_4.6.1.bb
+++ b/meta-oe/recipes-connectivity/wvdial/wvstreams_4.6.1.bb
@@ -19,6 +19,8 @@ SRC_URI[sha256sum] = 
"8403f5fbf83aa9ac0c6ce15d97fd85607488152aa84e007b7d0621b8eb
 inherit autotools pkgconfig
 
 PARALLEL_MAKE = ""
+TARGET_CFLAGS_append = " -O0"
+TARGET_CXXFLAGS_append = " -O0"
 
 LDFLAGS_append = " -Wl,-rpath-link,${CROSS_DIR}/${TARGET_SYS}/lib"
 
-- 
1.9.1

Re: [PATCH] wvstreams: Set optimization to -O0 to avoid breaking stack protection.

[Khem Raj]

On Thu, Apr 10, 2014 at 2:13 AM, Søren Holm <sgh@sgh.dk> wrote:
> A description of the bug is here :
> See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=674006
> ---
>  meta-oe/recipes-connectivity/wvdial/wvstreams_4.6.1.bb | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/meta-oe/recipes-connectivity/wvdial/wvstreams_4.6.1.bb b/meta-
> oe/recipes-connectivity/wvdial/wvstreams_4.6.1.bb
> index ce2b337..869402b 100644
> --- a/meta-oe/recipes-connectivity/wvdial/wvstreams_4.6.1.bb
> +++ b/meta-oe/recipes-connectivity/wvdial/wvstreams_4.6.1.bb
> @@ -19,6 +19,8 @@ SRC_URI[sha256sum] =
> "8403f5fbf83aa9ac0c6ce15d97fd85607488152aa84e007b7d0621b8eb
>  inherit autotools pkgconfig
>
>  PARALLEL_MAKE = ""
> +TARGET_CFLAGS_append = " -O0"
> +TARGET_CXXFLAGS_append = " -O0"
>

Disabling optimizations all the way is probably a bad idea. As
suggested in the bugs can you just disable
few of optimizations like

TARGET_CFLAGS += "-fno-tree-dce -fno-optimize-sibling-calls"
TARGET_CXXFLAGS += "-fno-tree-dce -fno-optimize-sibling-calls"

>  LDFLAGS_append = " -Wl,-rpath-link,${CROSS_DIR}/${TARGET_SYS}/lib"
>
> --
> 1.9.1
> --
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