From 5000cc555eb35292e3819f73ee497957d1311ab0 Mon Sep 17 00:00:00 2001
From: Matthew Bauer <mjbauer95@gmail.com>
Date: Sun, 24 Jun 2018 19:15:36 -0400
Subject: [PATCH] android: define __ANDROID_API__ in cflags

This is needed for targeting older apis.
---
 pkgs/development/mobile/androidenv/androidndk-pkgs.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/mobile/androidenv/androidndk-pkgs.nix b/pkgs/development/mobile/androidenv/androidndk-pkgs.nix
index 011b8eb00994..0f43705c0d42 100644
--- a/pkgs/development/mobile/androidenv/androidndk-pkgs.nix
+++ b/pkgs/development/mobile/androidenv/androidndk-pkgs.nix
@@ -67,7 +67,10 @@ rec {
     cc = binaries;
     bintools = binutils;
     libc = targetAndroidndkPkgs.libraries;
-    extraBuildCommands = lib.optionalString targetPlatform.isAarch32 (let
+    extraBuildCommands = ''
+      echo "-D__ANDROID_API__=${targetPlatform.sdkVer}" >> $out/nix-support/cc-cflags
+    ''
+    + lib.optionalString targetPlatform.isAarch32 (let
         p =  targetPlatform.platform.gcc or {}
           // targetPlatform.parsed.abi;
         flags = lib.concatLists [