Mention _FORTIFY_SOURCE=3 for gcc12 in NEWS

Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
This commit is contained in:
Siddhesh Poyarekar 2022-01-27 14:33:49 +05:30
parent 3a7bed5f5a
commit 829ea0caca

6
NEWS
View File

@ -134,6 +134,12 @@ Major new features:
controlling terminal in the new process in a race free manner. These
functions are GNU extensions.
* Source fortification (_FORTIFY_SOURCE) level 3 is now available for
applications compiling with glibc and gcc 12 and later. Level 3 leverages
the __builtin_dynamic_object_size function to deliver additional
fortification balanced against additional runtime cost (checking non-constant
bounds).
Deprecated and removed features, and other changes affecting compatibility:
* On x86-64, the LD_PREFER_MAP_32BIT_EXEC environment variable support