From bf83911631ecfa85f4d85c81d78596b2a823cb44 Mon Sep 17 00:00:00 2001
From: derselbst <tom.mbrt@googlemail.com>
Date: Mon, 20 Dec 2021 17:40:44 +0100
Subject: [PATCH] Fix Android CI Build

by explicitly enabling C language extensions. This will cause the
std=gnu90 to be passed via CMAKE_REQUIRED_FLAGS, making clang know about
the inline keyword rather than failing when querying for the netinet
headers:

/usr/local/lib/android/sdk/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64//sysroot/usr/include/linux/swab.h:39:8: error: unknown type name 'inline'
static inline __attribute__((__const__)) __u32 __fswahw32(__u32 val) {
---
 CMakeLists.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4eb837f6..24e39d27 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -122,6 +122,7 @@ set(CMAKE_C_STANDARD 90)
 set(CMAKE_CXX_STANDARD 98)
 
 # whether to use gnu extensions
+set(CMAKE_C_EXTENSIONS ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
 
 # Compile with position independent code if the user requested a shared lib, i.e. no PIC if static requested.