BCC patches to build embedded for android

android-bionic-poll-t.patch

--- embedded_bcc.orig/src/cc/libbpf/include/linux/types.h    2020-01-08 16:33:31.384052137 +0000
+++ embedded_bcc/src/cc/libbpf/include/linux/types.h 2020-01-08 02:22:36.269082225 +0000
@@ -23,7 +23,7 @@
 #ifndef __aligned_u64
 # define __aligned_u64 __u64 __attribute__((aligned(8)))
 #endif
-
+typedef unsigned __bitwise __poll_t;
 struct list_head {
        struct list_head *next, *prev;
 };

bcc-cmakelist-android.patch

--- src.orig/bcc/CMakeLists.txt
+++ src/bcc/CMakeLists.txt
@@ -43,6 +43,11 @@ find_package(LLVM REQUIRED CONFIG)
 message(STATUS "Found LLVM: ${LLVM_INCLUDE_DIRS} ${LLVM_PACKAGE_VERSION}")
 find_package(LibElf REQUIRED)

+if(CLANG_DIR)
+  set(CMAKE_FIND_ROOT_PATH "${CLANG_DIR}")
+  include_directories("${CLANG_DIR}/include")
+endif()
+
 # clang is linked as a library, but the library path searching is
 # primitively supported, unlike libLLVM
 set(CLANG_SEARCH "/opt/local/llvm/lib;/usr/lib/llvm-3.7/lib;${LLVM_LIBRARY_DIRS}")
@@ -94,8 +99,11 @@ set(CMAKE_CXX_STANDARD 14)

 endif(NOT PYTHON_ONLY AND ENABLE_CLANG_JIT)

-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall ${CXX_ISYSTEM_DIRS}")
+if(EXTRA_INCLUDE_PATHS)
+  include_directories("${EXTRA_INCLUDE_PATHS}")
+endif()
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -D__user= -D__force=")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -D__user= -D__force= ${CXX_ISYSTEM_DIRS}")

 add_subdirectory(src)
 add_subdirectory(introspection)