@@ -39,6 +39,7 @@ option(ENABLE_LZ4 "BUILD with lz4" ON)

 option(ENABLE_LZO "BUILD with lzo" ON)

 option(ENABLE_PKCS11 "BUILD with pkcs11-helper" ON)

 option(USE_WERROR "Treat compiler warnings as errors (-Werror)" ON)

+option(FAKE_ANDROID "Target Android but do not use actual cross compile/Android cmake to build for simple compile checks on Linux")

 set(PLUGIN_DIR /usr/local/lib/openvpn/plugins CACHE FILEPATH "Location of the plugin directory")

@@ -122,7 +123,14 @@ set(OPENVPN_VERSION_RESOURCE ${PRODUCT_VERSION_RESOURCE})

 set(CMAKE_C_STANDARD 11)

 # Set the various defines for config.h.cmake.in

-if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")

+if (${CMAKE_SYSTEM_NAME} STREQUAL "Android" OR ${FAKE_ANDROID})

+    set(TARGET_ANDROID YES)

+    set(ENABLE_ASYNC_PUSH YES)

+    set(ENABLE_SITNL YES)

+    set(HAVE_LINUX_TYPES_H 1)

+    # Wacky workaround as OpenSSL package detection is otherwise broken (https://stackoverflow.com/questions/45958214/android-cmake-could-not-find-openssl)

+    list(APPEND CMAKE_FIND_ROOT_PATH ${OPENSSL_ROOT_DIR})

+elseif (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")

     set(TARGET_LINUX YES)

     set(ENABLE_ASYNC_PUSH YES)

     set(ENABLE_LINUXDCO YES)

@@ -432,6 +432,9 @@ don't. */

 /* Are we running WIN32? */

 #cmakedefine TARGET_WIN32

+/* Are we targeting Android? */

+#cmakedefine TARGET_ANDROID

+

 #define TARGET_ALIAS "@CMAKE_SYSTEM_NAME@"

 /* Enable GNU extensions on systems that have them.  */