rdma-core: Fix build with musl

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-networking/recipes-support/rdma-core/rdma-core/0001-examples-Include-alloca.h-for-strdupa.patch

@@ -0,0 +1,29 @@
+From a6c547e46bbadd2c08be9944a85308f6625263cb Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Mon, 29 Aug 2022 23:15:44 -0700
+Subject: [PATCH] examples: Include alloca.h for strdupa
+
+musl defines strdupa via a macro which uses alloca() therefore include
+the header to get the prototype
+
+Upstream-Status: Submitted [https://github.com/linux-rdma/rdma-core/pull/1212]
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ libibverbs/examples/asyncwatch.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/libibverbs/examples/asyncwatch.c b/libibverbs/examples/asyncwatch.c
+index 724796e58..842b94180 100644
+--- a/libibverbs/examples/asyncwatch.c
++++ b/libibverbs/examples/asyncwatch.c
+@@ -36,6 +36,7 @@
+ #include <endian.h>
+ #include <getopt.h>
+ #include <string.h>
++#include <alloca.h>
+ 
+ #include <util/compiler.h>
+ #include <infiniband/verbs.h>
+-- 
+2.37.2
+

meta-networking/recipes-support/rdma-core/rdma-core_42.0.bb

@@ -5,7 +5,9 @@ SECTION = "libs"
 DEPENDS = "libnl"
 RDEPENDS:${PN} = "bash perl"
 
-SRC_URI = "git://github.com/linux-rdma/rdma-core.git;branch=master;protocol=https"
+SRC_URI = "git://github.com/linux-rdma/rdma-core.git;branch=master;protocol=https \
+           file://0001-examples-Include-alloca.h-for-strdupa.patch \
+           "
 SRCREV = "196bad56ed060612e22674b668b5ec3d8659ade3"
 S = "${WORKDIR}/git"