diff --git a/CMakeLists.txt b/CMakeLists.txt
index bcc77451..2518c747 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 754e70c4..13f27bc4 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 \