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-rw-r--r--gcc/doc/install.texi5
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index 61ab97e..9302251 100644
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -1414,6 +1414,11 @@ These features are extensions to the traditional
SVR4-based MIPS ABIs and require support from GNU binutils
and the runtime C library.
+@item --with-stack-clash-protection-guard-size=@var{size}
+On certain targets this option sets the default stack clash protection guard
+size as a power of two in bytes. On AArch64 @var{size} is required to be either
+12 (4KB) or 16 (64KB).
+
@item --enable-__cxa_atexit
Define if you want to use __cxa_atexit, rather than atexit, to
register C++ destructors for local statics and global objects.