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From: Tyler Retzlaff <roretzla@linux.microsoft.com>
To: dev@dpdk.org
Cc: =?UTF-8?q?Morten=20Br=C3=B8rup?= <mb@smartsharesystems.com>,
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Subject: [PATCH 06/16] lpm: remove use of VLAs for Windows built code
Date: Wed, 17 Apr 2024 16:41:49 -0700
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MSVC does not support VLAs, replace VLAs with standard C arrays
or alloca(). alloca() is available for all toolchain/platform
combinations officially supported by DPDK.

Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
---
 lib/lpm/rte_lpm.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/lpm/rte_lpm.h b/lib/lpm/rte_lpm.h
index 2888e5f..fc5805c 100644
--- a/lib/lpm/rte_lpm.h
+++ b/lib/lpm/rte_lpm.h
@@ -337,7 +337,7 @@ struct rte_lpm *
 		uint32_t *next_hops, const unsigned n)
 {
 	unsigned i;
-	unsigned tbl24_indexes[n];
+	unsigned int *tbl24_indexes = (unsigned int *)alloca(sizeof(unsigned int) * n);
 	const uint32_t *ptbl;
 
 	/* DEBUG: Check user input arguments. */
-- 
1.8.3.1