oprofile: Fix configure check for perf_events support

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

meta-oe/recipes-kernel/oprofile/oprofile/0001-configure-Include-unistd.h-for-getpid-API.patch

@@ -0,0 +1,28 @@
+From 46f0aadf80d5e28f587149b6e90c3ba005971f6e Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Fri, 2 Sep 2022 19:22:17 -0700
+Subject: [PATCH] configure: Include unistd.h for getpid API
+
+This fixes the check for perf events support in configure
+
+Upstream-Status: Pending
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ configure.ac | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/configure.ac b/configure.ac
+index e4f4024..3384628 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -119,6 +119,7 @@ if test "$kernel_may_have_perf_events_support" = "yes"; then
+ 				#include <asm/unistd.h>
+ 				#include <sys/types.h>
+ 				#include <string.h>
++				#include <unistd.h>
+ 			]],
+ 			[[struct perf_event_attr attr;
+ 				pid_t pid;
+-- 
+2.37.3
+

meta-oe/recipes-kernel/oprofile/oprofile_1.4.0.bb

@@ -30,6 +30,7 @@ SRC_URI = "${SOURCEFORGE_MIRROR}/${BPN}/${BPN}-${PV}.tar.gz \
            file://0008-include-linux-limits.h-for-MAX_INPUT.patch \
            file://0009-Prevent-running-check-tests-on-host-if-cross-compili.patch \
            file://0010-oprofile-Determine-the-root-home-directory-dynamical.patch \
+           file://0001-configure-Include-unistd.h-for-getpid-API.patch \
 "
 SRC_URI[sha256sum] = "7ba06f99d7c188389d20d1d5e53ee690c7733f87aa9af62bd664fa0ca235a412"