From 9a861894255df2f2f8682b619d2ecb1ccb5c8591 Mon Sep 17 00:00:00 2001
From: Bing-Hua Wang <binghuawang@ami.com>
Date: Thu, 12 Nov 2020 17:57:50 +0800
Subject: [PATCH] free: Fix implicit function declarations

GitHub Actions macOS environment now has Xcode 12.0.1. [1]
Xcode 12 Clang enables -Werror=implicit-function-declaration by
default [2] and breaks the ipmitool build on macOS. [3]

[1] https://github.com/actions/virtual-environments/issues/1712
[2] https://developer.apple.com/documentation/xcode-release-notes/xcode-12-release-notes
    "Clang now reports an error when you use a function without an
    explicit declaration when building C or Objective-C code for macOS
    (-Werror=implicit-function-declaration flag is on)."
[3] https://github.com/ipmitool/ipmitool/pull/252/checks?check_run_id=1389463134
    "checking for ld used by gcc... /Applications/Xcode_12.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld
    <snip>
    free.c:66:13: error: implicit declaration of function 'getuid' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
            if (getuid() != 0) {
                ^
    free.c:170:26: error: implicit declaration of function 'ipmi_get_oem' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
            intf->manufacturer_id = ipmi_get_oem(intf);"
                                ^

Signed-off-by: Bing-Hua Wang <binghuawang@ami.com>
---
 src/plugins/free/free.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/plugins/free/free.c b/src/plugins/free/free.c
index 56c8157..96fc9ad 100644
--- a/src/plugins/free/free.c
+++ b/src/plugins/free/free.c
@@ -42,9 +42,11 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sys/types.h>
+#include <unistd.h>
 
 #include <ipmitool/ipmi.h>
 #include <ipmitool/ipmi_intf.h>
+#include <ipmitool/ipmi_sel.h>
 
 #include <freeipmi/freeipmi.h>
 #if IPMI_INTF_FREE_0_3_0 || IPMI_INTF_FREE_0_4_0 || IPMI_INTF_FREE_0_5_0