libacpi: Fix build with -fno-common

(From OE-Core rev: 6d4bfd341eb48e6904cb5b645727cbf351f02a2e)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 71 insertions, 1 deletions

diff --git a/meta/recipes-bsp/libacpi/files/0001-libacpi-Fix-build-witth-fno-commom.patch b/meta/recipes-bsp/libacpi/files/0001-libacpi-Fix-build-witth-fno-commom.patch
new file mode 100644
index 0000000000..32808fb92a
--- /dev/null
+++ b/meta/recipes-bsp/libacpi/files/0001-libacpi-Fix-build-witth-fno-commom.patch
@@ -0,0 +1,68 @@
+From 9839c169f513e65fc711646257b3e8588cce623c Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Wed, 5 Aug 2020 12:06:01 -0700
+Subject: [PATCH] libacpi: Fix build witth -fno-commom
+
+Upstream-Status: Pending
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ libacpi.c | 16 ++++++++++++++++
+ libacpi.h |  6 +++---
+ 2 files changed, 19 insertions(+), 3 deletions(-)
+
+diff --git a/libacpi.c b/libacpi.c
+index 4e34725..9344ea4 100644
+--- a/libacpi.c
++++ b/libacpi.c
+@@ -14,6 +14,22 @@
+ #include "libacpi.h"
+ #include "list.h"
+ 
++/**
++ * Array for existing batteries, loop until
++ * globals->battery_count
++ */
++battery_t batteries[MAX_ITEMS];
++/**
++ * Array for existing thermal zones, loop until
++ * globals->thermal_count
++ */
++thermal_t thermals[MAX_ITEMS];
++/**
++ * Array for existing fans, loop until
++ * globals->fan_count
++ */
++fan_t fans[MAX_ITEMS];
++
+ static int read_acpi_battinfo(const int num);
+ static int read_acpi_battalarm(const int num);
+ static int read_acpi_battstate(const int num);
+diff --git a/libacpi.h b/libacpi.h
+index 9334b79..5242d3d 100644
+--- a/libacpi.h
++++ b/libacpi.h
+@@ -183,17 +183,17 @@ typedef struct {
+  * Array for existing batteries, loop until
+  * globals->battery_count
+  */
+-battery_t batteries[MAX_ITEMS];
++extern battery_t batteries[MAX_ITEMS];
+ /**
+  * Array for existing thermal zones, loop until
+  * globals->thermal_count
+  */
+-thermal_t thermals[MAX_ITEMS];
++extern thermal_t thermals[MAX_ITEMS];
+ /**
+  * Array for existing fans, loop until
+  * globals->fan_count
+  */
+-fan_t fans[MAX_ITEMS];
++extern fan_t fans[MAX_ITEMS];
+ /**
+  * Finds existing batteries and fills the
+  * corresponding batteries structures with the paths
+-- 
+2.28.0
+
diff --git a/meta/recipes-bsp/libacpi/libacpi_0.2.bb b/meta/recipes-bsp/libacpi/libacpi_0.2.bb
index 5e7f7fa8e0..fa9e3d4894 100644
--- a/meta/recipes-bsp/libacpi/libacpi_0.2.bb
+++ b/meta/recipes-bsp/libacpi/libacpi_0.2.bb
@@ -11,7 +11,9 @@ SRC_URI = "http://www.ngolde.de/download/libacpi-${PV}.tar.gz \
            file://makefile-fix.patch \
            file://libacpi_fix_for_x32.patch \
            file://use_correct_strip_in_cross_environment.patch \
-           file://ldflags.patch "
+           file://ldflags.patch \
+           file://0001-libacpi-Fix-build-witth-fno-commom.patch \
+           "
 
 SRC_URI[md5sum] = "05b53dd7bead66dda35fec502b91066c"
 SRC_URI[sha256sum] = "13086e31d428b9c125954d48ac497b754bbbce2ef34ea29ecd903e82e25bad29"