core/binutils: trying to enable CET properly

1 files changed, 14 insertions, 1 deletions

diff --git a/core/binutils/PKGBUILD b/core/binutils/PKGBUILD
index 711a8ed0..71467e4b 100644
--- a/core/binutils/PKGBUILD
+++ b/core/binutils/PKGBUILD
@@ -32,7 +32,20 @@ if [ "${CARCH}" = "i486" ]; then
   eval "$(
     declare -f build | \
       sed '
-        s,configure",configure" --disable-cet,
+        s,configure",configure" --enable-cet=no,
+      '
+  )"
+else
+  # explicitely enable CET (Control Flow instructions endbr32/enbr64)
+  # avoid "corrupt GNU_PROPERTY_TYPE (5) size: 0" warnings,
+  # see:
+  # https://bbs.archlinux32.org/viewtopic.php?pid=6160#p6160
+  # https://bugs.archlinux32.org/index.php?do=details&task_id=82
+  #
+  eval "$(
+    declare -f build | \
+      sed '
+        s,configure",configure" --enable-cet=yes,
       '
   )"
 fi