diff --git a/CMakeLists.txt b/CMakeLists.txt
index cf9a5164..e6fb98d1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -263,7 +263,7 @@ ENDIF ()
 # Set system-specific compiler flags
 IF (CMAKE_SYSTEM_NAME STREQUAL "Darwin")
 	LIST (APPEND SYSFLAGS -D_DARWIN_C_SOURCE)
-ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "Linux")
+ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "Linux" OR CMAKE_SYSTEM_NAME STREQUAL "Android")
 	LIST (APPEND SYSFLAGS -D_GNU_SOURCE -D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=700)
 ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "SunOS")
 	LIST (APPEND SYSFLAGS -D__EXTENSIONS__ -D_REENTRANT -D_XOPEN_SOURCE=600)