https://bugs.gentoo.org/926824
Patch from upstream, configure regenerated

commit 371ed0ac8bf3c1d25775c8b025229f490363f4ab
Author: rocky <rocky@gnu.org>
Date:   Sun, 26 Mar 2023 14:35:39 -0400

    Fix some small typos

--- a/configure.ac
+++ b/configure.ac
@@ -434,7 +434,7 @@ AC_ARG_WITH([profiler_resolution],
   [prof_res="1000"])
 
 AS_IF([test "x$prof_res" = "xno"],
-      [],_
+      [],
       [AC_DEFINE_UNQUOTED([PROFILER_MIN_RES],
                           [$prof_res],
                           [Minimum profiler resolution in nanoseconds])])
--- a/configure
+++ b/configure
@@ -18444,7 +18444,6 @@
 if test "x$prof_res" = "xno"; then :
 
 else
-  _
 
 cat >>confdefs.h <<_ACEOF
 #define PROFILER_MIN_RES $prof_res