rte_vect.h pulls some AVX512 instrinsics headers added in GCC 12 [1]
trigger a lot of warnings:

libtool: compile:  env "REAL_CC=ccache gcc" "CHECK=sparse -Wsparse-error
        -I ../include/sparse -I ../include -m64 -I /usr/local/include
        " cgcc -target=x86_64 -target=host_os_specs -D__MMX__=1
        -D__MMX_WITH_SSE__=1 -D__SSE2_MATH__=1 -D__SSE_MATH__=1
        -D__SSE__=1 -D__SSE2__=1 -DHAVE_CONFIG_H -I. -I.. -I ../include
        -I ./include -I ../lib -I ./lib -Wstrict-prototypes -Wall
        -Wextra -Wno-sign-compare -Wpointer-arith -Wformat
        -Wformat-security -Wswitch-enum -Wunused-parameter
        -Wbad-function-cast -Wcast-align -Wstrict-prototypes
        -Wold-style-definition -Wmissing-prototypes
        -Wmissing-field-initializers -fno-strict-aliasing
        -Wswitch-bool -Wlogical-not-parentheses -Wsizeof-array-argument
        -Wbool-compare -Wshift-negative-value -Wduplicated-cond -Wshadow
        -Wmultistatement-macros -Wcast-align=strict -mssse3
        -I/home/dmarchan/git/pub/dpdk.org/22.11/install/include
        -include rte_config.h -I/usr/local/include -Werror
        -D_FILE_OFFSET_BITS=64 -g -O2 -MT lib/bfd.lo -MD -MP
        -MF lib/.deps/bfd.Tpo -c ../lib/bfd.c -o lib/bfd.o
../lib/bfd.c: note: in included file (through
        /usr/lib/gcc/x86_64-redhat-linux/12//include/immintrin.h,
        /usr/lib/gcc/x86_64-redhat-linux/12//include/x86intrin.h, ...):
/usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:38:9:
        error: '_Float16' has implicit type
/usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:38:18:
        error: Expected ; at end of declaration
/usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:38:18:
        error: got __v8hf
/usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:62:41:
        error: Expected ; at end of statement
/usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:62:41:
        error: got {
/usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:420:32:
        error: Expected ) in expression
/usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:420:32:
        error: got __A
/usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:2271:61:
        error: Expected ) in function call
/usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:2271:61:
        error: got __A
/usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:2279:61:
        error: Expected ) in function call
/usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:2279:61:
        error: got __A
/usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:2328:50:
        error: Expected ) in function call
[...]

Besides, the list of headers by rte_memcpy.h is now out of sync with DPDK.
OVS takes care to include the right headers in its sources.
Simply make this header self-sufficient.

1: https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=a68412117fa4

Signed-off-by: David Marchand <david.march...@redhat.com>
---
Changes since v1:
- fixed header includes so that this fake rte_memcpy.h is
  self-sufficient,

---
 include/sparse/rte_memcpy.h | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/include/sparse/rte_memcpy.h b/include/sparse/rte_memcpy.h
index 5cd3f013ea..ec88500242 100644
--- a/include/sparse/rte_memcpy.h
+++ b/include/sparse/rte_memcpy.h
@@ -20,11 +20,8 @@
 #error "Use this header only with sparse.  It is not a correct implementation."
 #endif
 
-/* Include the same headers as the real rte_memcpy(). */
-#include <stdio.h>
+#include <stddef.h>
 #include <stdint.h>
-#include <string.h>
-#include <rte_vect.h>
 
 /* Declare the same functions as the real rte_memcpy.h, without defining them.
  * This gives sparse the information it needs without provoking sparse's
-- 
2.39.1

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