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-rw-r--r--configure.ac10
1 files changed, 10 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 93e68fb..78af01d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -311,6 +311,16 @@ AC_ARG_ENABLE([experimental-malloc],
[experimental_malloc=yes])
AC_SUBST(experimental_malloc)
+AC_ARG_ENABLE([memory-tagging],
+ AC_HELP_STRING([--enable-memory-tagging],
+ [enable memory tagging if supported by the architecture @<:@default=no@:>@]),
+ [memory_tagging=$enableval],
+ [memory_tagging=no])
+if test "$memory_tagging" = yes; then
+ AC_DEFINE(_LIBC_MTAG)
+fi
+AC_SUBST(memory_tagging)
+
AC_ARG_ENABLE([crypt],
AC_HELP_STRING([--disable-crypt],
[do not build nor install the passphrase hashing library, libcrypt]),