[openwrt/openwrt] gdb: Do not link against xxhash

[LEDE Commits]

ynezz pushed a commit to openwrt/openwrt.git, branch openwrt-22.03:
https://git.openwrt.org/8446d22aaaedb112de934c8490c3b0927d4e6dcb

commit 8446d22aaaedb112de934c8490c3b0927d4e6dcb
Author: Hauke Mehrtens <hauke at hauke-m.de>
AuthorDate: Sat Dec 17 22:10:39 2022 +0100

    gdb: Do not link against xxhash
    
    libxxhash is now available in the OpenWrt package feed and gdb will link
    against it if gdb finds this library. Explicitly deactivate the usage
    of xxhash.
    
    This should fix the build of gdb in build bots.
    
    Signed-off-by: Hauke Mehrtens <hauke at hauke-m.de>
    (cherry picked from commit a442974cfa89c7182c37b3b422b2d49319e2b339)
---
 package/devel/gdb/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/package/devel/gdb/Makefile b/package/devel/gdb/Makefile
index dd1df7af85..5add65a82a 100644
--- a/package/devel/gdb/Makefile
+++ b/package/devel/gdb/Makefile
@@ -66,6 +66,7 @@ CONFIGURE_ARGS+= \
 	--without-mpc \
 	--without-mpfr \
 	--without-isl \
+	--without-xxhash \
 	--with-libgmp-prefix=$(STAGING_DIR)/usr
 
 CONFIGURE_VARS+= \