From 3b15addbc8041b20fbc727f0260fed5ad917e592 Mon Sep 17 00:00:00 2001
From: Andrew Kaster <akaster@serenityos.org>
Date: Mon, 11 Jul 2022 01:04:39 -0600
Subject: [PATCH] AK: Add support for building on Android with API version >=
 30

---
 AK/Platform.h | 15 +++++++++++++++
 AK/Random.h   |  4 ++--
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/AK/Platform.h b/AK/Platform.h
index d6e6c689e1e..0c60c11ff0b 100644
--- a/AK/Platform.h
+++ b/AK/Platform.h
@@ -27,6 +27,21 @@
 #    define AK_OS_BSD_GENERIC
 #endif
 
+// FIXME: Remove clang-format suppression after https://github.com/llvm/llvm-project/issues/56602 resolved
+// clang-format off
+#if defined(__ANDROID__)
+#    define STR(x) __STR(x)
+#    define __STR(x) #x
+#    if __ANDROID_API__ < 30
+#        pragma message "Invalid android API " STR(__ANDROID_API__)
+#        error "Build configuration not tested on configured Android API version"
+#    endif
+#    undef STR
+#    undef __STR
+#    define AK_OS_ANDROID
+#endif
+// clang-format on
+
 #define ARCH(arch) (defined(AK_ARCH_##arch) && AK_ARCH_##arch)
 
 #if ARCH(I386) || ARCH(X86_64)
diff --git a/AK/Random.h b/AK/Random.h
index 398fff64b34..fe5961c3fa1 100644
--- a/AK/Random.h
+++ b/AK/Random.h
@@ -9,7 +9,7 @@
 #include <AK/Platform.h>
 #include <AK/Types.h>
 
-#if defined(__serenity__)
+#if defined(__serenity__) || defined(AK_OS_ANDROID)
 #    include <stdlib.h>
 #endif
 
@@ -25,7 +25,7 @@ namespace AK {
 
 inline void fill_with_random([[maybe_unused]] void* buffer, [[maybe_unused]] size_t length)
 {
-#if defined(__serenity__)
+#if defined(__serenity__) || defined(AK_OS_ANDROID)
     arc4random_buf(buffer, length);
 #elif defined(OSS_FUZZ)
 #elif defined(__unix__) or defined(AK_OS_MACOS)