From 40bab5ed71dc046eb83eead197f037c44a090cc6 Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Fri, 3 Jul 2020 15:21:53 +0200
Subject: [PATCH] src: build fix for Android

pipe2 needs GNU source defined.

PR-URL: https://github.com/libuv/libuv/pull/2857
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
---
 CMakeLists.txt | 1 +
 Makefile.am    | 1 +
 2 files changed, 2 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index bcc774512..2518c7474 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -182,6 +182,7 @@ if(CMAKE_SYSTEM_NAME STREQUAL "AIX")
 endif()
 
 if(CMAKE_SYSTEM_NAME STREQUAL "Android")
+  list(APPEND uv_defines _GNU_SOURCE)
   list(APPEND uv_libraries dl)
   list(APPEND uv_sources
        src/unix/android-ifaddrs.c
diff --git a/Makefile.am b/Makefile.am
index 754e70c4e..13f27bc4c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -380,6 +380,7 @@ endif
 
 if ANDROID
 uvinclude_HEADERS += include/uv/android-ifaddrs.h
+libuv_la_CFLAGS += -D_GNU_SOURCE
 libuv_la_SOURCES += src/unix/android-ifaddrs.c \
                     src/unix/linux-core.c \
                     src/unix/linux-inotify.c \