build: Match also gnu* for GNU/Hurd on the glibc ABI selection The GNU/Hurd system does not specify a kernel part, so we need to match on both *-gnu* and gnu* (to avoid overmatching with just *gnu*).
diff --git a/configure.ac b/configure.ac
index 5a003e1..c7c2e13 100644
--- a/configure.ac
+++ b/configure.ac
@@ -85,7 +85,7 @@ abi_vis=unknown
abi_wcsl=unknown
AS_CASE([$host_os],
- [*-gnu*], [
+ [*-gnu* | gnu*], [
abi_accmode=yes
# DROP: On glibc >= 2.36.
#abi_arc4random=no