- cleanups in build process for Android

src/libs/ice/CMakeLists.txt

@@ -1,7 +1,7 @@
 project (ice_stack)
 
-# Rely on C++ 11
-set (CMAKE_CXX_STANDARD 11)
+# Rely on C++ 17
+set (CMAKE_CXX_STANDARD 17)
 set (CMAKE_CXX_STANDARD_REQUIRED ON)
 
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
@@ -34,6 +34,10 @@ set (ICE_STACK_SOURCES ICEAddress.cpp
     ICETime.cpp
     ICETransactionList.cpp)
 
+if (ANDROID_ABI)
+    set (ICE_STACK_SOURCES ${ICE_STACK_SOURCES} android-ifaddrs/android-ifaddrs.h android-ifaddrs/android-ifaddrs.c)
+endif()
+
 if (TARGET_MUSL)
     add_definitions(-DTARGET_MUSL)
 endif()

src/libs/ice/android-ifaddrs/android-ifaddrs.h

@@ -25,8 +25,10 @@
 
 #ifndef	_IFADDRS_H_
 #define	_IFADDRS_H_
-/*
-struct ifaddrs {
+
+#include <ifaddrs.h>
+
+/*struct ifaddrs {
 	struct ifaddrs  *ifa_next;
 	char		*ifa_name;
 	unsigned int	 ifa_flags;
@@ -36,6 +38,7 @@ struct ifaddrs {
 	void		*ifa_data;
 };
 */
+
 /*
  * This may have been defined in <net/if.h>.  Note that if <net/if.h> is
  * to be included it must be included before this header file.

src/libs/srtp/CMakeLists.txt

@@ -46,4 +46,14 @@ else()
     set (PLATFORM_DEFINES HAVE_WINSOCK2_H)
 endif()
 
+if (ANDROID_ABI)
+    if (CMAKE_ANDROID_ARCH_ABI MATCHES "arm.*")
+        set (PLATFORM_DEFINES ${PLATFORM_DEFINES} CPU_RISC)
+    else()
+        set (PLATFORM_DEFINES ${PLATFORM_DEFINES} CPU_CISC)
+    endif()
+else()
+    set (PLATFORM_DEFINES ${PLATFORM_DEFINES} CPU_CISC)
+endif()
+
 target_compile_definitions(srtp PUBLIC -DHAVE_INTTYPES_H -D${PLATFORM_DEFINES})