diff --git a/src/auto/configure b/src/auto/configure
index cafde79..fba78af 100755
--- a/src/auto/configure
+++ b/src/auto/configure
Binary files differ
diff --git a/src/configure.in b/src/configure.in
index ad00d42..b6c77da 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -3152,18 +3152,25 @@
 dnl But only when making dependencies, cproto and lint don't take "-isystem".
 dnl Mac gcc returns "powerpc-apple-darwin8-gcc-4.0.1 (GCC)...", need to allow
 dnl the number before the version number.
-AC_MSG_CHECKING(for GCC 3 or later)
 DEPEND_CFLAGS_FILTER=
 if test "$GCC" = yes; then
+  AC_MSG_CHECKING(for GCC 3 or later)
   gccmajor=`echo "$gccversion" | sed -e 's/^\([[1-9]]\)\..*$/\1/g'`
   if test "$gccmajor" -gt "2"; then
     DEPEND_CFLAGS_FILTER="| sed 's+-I */+-isystem /+g'"
+    AC_MSG_RESULT(yes)
+  else
+    AC_MSG_RESULT(no)
   fi
-fi
-if test "$DEPEND_CFLAGS_FILTER" = ""; then
-  AC_MSG_RESULT(no)
-else
-  AC_MSG_RESULT(yes)
+  dnl -D_FORTIFY_SOURCE=2 crashes Vim on strcpy(buf, "000") when buf is
+  dnl declared as char x[1] but actually longer.  Introduced in gcc 4.0.
+  AC_MSG_CHECKING(whether we need -D_FORTIFY_SOURCE=1)
+  if test "$gccmajor" -gt "3"; then
+    CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=1"
+    AC_MSG_RESULT(yes)
+  else
+    AC_MSG_RESULT(no)
+  fi
 fi
 AC_SUBST(DEPEND_CFLAGS_FILTER)
 
diff --git a/src/eval.c b/src/eval.c
index a3edec6..98fc8ed 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -21150,8 +21150,11 @@
     init_var_dict(&fc.l_avars, &fc.l_avars_var);
     add_nr_var(&fc.l_avars, &fc.fixvar[fixvar_idx++].var, "0",
 				(varnumber_T)(argcount - fp->uf_args.ga_len));
+    /* Use "name" to avoid a warning from some compiler that checks the
+     * destination size. */
     v = &fc.fixvar[fixvar_idx++].var;
-    STRCPY(v->di_key, "000");
+    name = v->di_key;
+    STRCPY(name, "000");
     v->di_flags = DI_FLAGS_RO | DI_FLAGS_FIX;
     hash_add(&fc.l_avars.dv_hashtab, DI2HIKEY(v));
     v->di_tv.v_type = VAR_LIST;
diff --git a/src/version.c b/src/version.c
index e46b927..a3901f4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -677,6 +677,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    44,
+/**/
     43,
 /**/
     42,