Add a comment for --enable-initfini-array [BZ #27945]

Document that --enable-initfini-array is enabled by default in GCC 12,
which can be removed when GCC 12 becomes the minimum requirement.

diff --git a/scripts/build-many-glibcs.py b/scripts/build-many-glibcs.py
index e8b9b213ca69fc1d81ea1aa2cdd3aaefad6f8745..6ae2172956272b327e4dcb2162dd981a179ab35f 100755 (executable)
--- a/scripts/build-many-glibcs.py
+++ b/scripts/build-many-glibcs.py
@@ -1445,7 +1445,9 @@ class Config(object):
         # checking support.  libcilkrts does not support GNU/Hurd (and
         # has been removed in GCC 8, so --disable-libcilkrts can be
         # removed once glibc no longer supports building with older
-        # GCC versions).
+        # GCC versions).  --enable-initfini-array is enabled by default
+        # in GCC 12, which can be removed when GCC 12 becomes the
+        # minimum requirement.
         cfg_opts = list(self.gcc_cfg)
         cfg_opts += ['--enable-initfini-array']
         cfg_opts += ['--disable-libssp', '--disable-libcilkrts']