[Resending since this appears to have gotten lost].
Commit 6dcecb780a69bd208088d666b299e92aa7ae7e80 "Port
AC_CHECK_HEADER_STDBOOL to C23" causes AC_CHECK_HEADER_STDBOOL to
always fail, even on systems with a conforming stdbool.h.
There is no longer an 'a' variable so it should not be referenced
in the return statement.
- todd
diff --git a/lib/autoconf/headers.m4 b/lib/autoconf/headers.m4
index c5acd16e..ccb1bf4b 100644
--- a/lib/autoconf/headers.m4
+++ b/lib/autoconf/headers.m4
@@ -639,7 +639,7 @@ AC_DEFUN([AC_CHECK_HEADER_STDBOOL],
/* Refer to every declared value, so they cannot be
discarded as unused. */
- return (!a + !b + !c + !d + !e + !f + !g + !h + !i + !j + !k
+ return (!b + !c + !d + !e + !f + !g + !h + !i + !j + !k
+ !l + !m + !n + !o + !p + !pp + !ps);
]])],
[ac_cv_header_stdbool_h=yes],
