以编译mbedtls 和使用自己的c文件编译为例，主cmakelist
#指定需要CMAKE的最小版本
cmake_minimum_required(VERSION 3.4.1)
#C的编译选项是 CMAKE_C_FLAGS
#指定编译参数，可选
#SET(CMAKE_CXX_FLAGS "-Wno-error=format-security -Wno-error=pointer-sign")
#设置生成的so动态库最后输出的路径
#set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_SOURCE_DIR}/../jniLibs/${ANDROID_ABI})
#调用指定目录下的cmakelist
add_subdirectory(src/main/cpp/mbedtls)
#设置需要引用的库的类型（动／静态库），库的地址,名称
#add_library(lib SHARED/STATIC IMPORTED)
#set_target_properties(lib PROPERTIES IMPORTED_LOCATION ${LIB_DIR}/lib.a)
#设置头文件搜索路径（和此txt同个路径的头文件无需设置），可选
INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/src/main/cpp/mbedtls/include)
#指定用到的系统库或者NDK库或者第三方库的搜索路径，可选。
#LINK_DIRECTORIES(/usr/local/lib)
add_library( nodepp
SHARED
src/main/cpp/utils.c
src/main/cpp/xxtea.c
src/main/cpp/mbed_client.c)
target_link_libraries( nodepp
mbedcrypto
mbedx509
mbedtls
log )
主cmakelist调用src/main/cpp/mbedtls目录下的cmakelist
option(USE_STATIC_MBEDTLS_LIBRARY "Build mbed TLS static library." OFF)
option(USE_SHARED_MBEDTLS_LIBRARY "Build mbed TLS shared library." ON)
option(LINK_WITH_PTHREAD "Explicitly link mbed TLS library to pthread." OFF)
option(USE_PKCS11_HELPER_LIBRARY "Build mbed TLS with the pkcs11-helper library." OFF)
option(ENABLE_ZLIB_SUPPORT "Build mbed TLS with zlib library." OFF)
option(LINK_WITH_PTHREAD "Build mbed TLS with pthread library." OFF)
string(REGEX MATCH "Clang" CMAKE_COMPILER_IS_CLANG "${CMAKE_C_COMPILER_ID}")
include_directories(include)
set(src_crypto
aes.c
aesni.c
arc4.c
asn1parse.c
asn1write.c
base64.c
bignum.c
blowfish.c
camellia.c
ccm.c
cipher.c
cipher_wrap.c
cmac.c
ctr_drbg.c
des.c
dhm.c
ecdh.c
ecdsa.c
ecjpake.c
ecp.c
ecp_curves.c
entropy.c
entropy_poll.c
error.c
gcm.c
havege.c
hmac_drbg.c
md.c
md2.c
md4.c
md5.c
md_wrap.c
memory_buffer_alloc.c
oid.c
padlock.c
pem.c
pk.c
pk_wrap.c
pkcs12.c
pkcs5.c
pkparse.c
pkwrite.c
platform.c
ripemd160.c
rsa.c
rsa_internal.c
sha1.c
sha256.c
sha512.c
threading.c
timing.c
version.c
version_features.c
xtea.c
)
set(src_x509
certs.c
pkcs11.c
x509.c
x509_create.c
x509_crl.c
x509_crt.c
x509_csr.c
x509write_crt.c
x509write_csr.c
)
set(src_tls
debug.c
net_sockets.c
ssl_cache.c
ssl_ciphersuites.c
ssl_cli.c
ssl_cookie.c
ssl_srv.c
ssl_ticket.c
ssl_tls.c
)
#设置生成的so动态库最后输出的路径 注： .a静态库输出路径 CMAKE_ARCHIVE_OUTPUT_DIRECTORY
#set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_SOURCE_DIR}/../jniLibs/${ANDROID_ABI})
if(CMAKE_COMPILER_IS_GNUCC)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wmissing-declarations -Wmissing-prototypes")
endif(CMAKE_COMPILER_IS_GNUCC)
if(CMAKE_COMPILER_IS_CLANG)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wmissing-declarations -Wmissing-prototypes -Wdocumentation -Wno-documentation-deprecated-sync -Wunreachable-code")
endif(CMAKE_COMPILER_IS_CLANG)
if(WIN32)
set(libs ${libs} ws2_32)
endif(WIN32)
if(USE_PKCS11_HELPER_LIBRARY)
set(libs ${libs} pkcs11-helper)
endif(USE_PKCS11_HELPER_LIBRARY)
if(ENABLE_ZLIB_SUPPORT)
set(libs ${libs} ${ZLIB_LIBRARIES})
endif(ENABLE_ZLIB_SUPPORT)
if(LINK_WITH_PTHREAD)
set(libs ${libs} pthread)
endif()
if (NOT USE_STATIC_MBEDTLS_LIBRARY AND NOT USE_SHARED_MBEDTLS_LIBRARY)
message(FATAL_ERROR "Need to choose static or shared mbedtls build!")
endif(NOT USE_STATIC_MBEDTLS_LIBRARY AND NOT USE_SHARED_MBEDTLS_LIBRARY)
if(USE_STATIC_MBEDTLS_LIBRARY AND USE_SHARED_MBEDTLS_LIBRARY)
set(mbedtls_static_target "mbedtls_static")
set(mbedx509_static_target "mbedx509_static")
set(mbedcrypto_static_target "mbedcrypto_static")
elseif(USE_STATIC_MBEDTLS_LIBRARY)
set(mbedtls_static_target "mbedtls")
set(mbedx509_static_target "mbedx509")
set(mbedcrypto_static_target "mbedcrypto")
endif()
if(USE_STATIC_MBEDTLS_LIBRARY)
add_library(${mbedcrypto_static_target} STATIC ${src_crypto})
set_target_properties(${mbedcrypto_static_target} PROPERTIES OUTPUT_NAME mbedcrypto)
target_link_libraries(${mbedcrypto_static_target} ${libs})
add_library(${mbedx509_static_target} STATIC ${src_x509})
set_target_properties(${mbedx509_static_target} PROPERTIES OUTPUT_NAME mbedx509)
target_link_libraries(${mbedx509_static_target} ${libs} ${mbedcrypto_static_target})
add_library(${mbedtls_static_target} STATIC ${src_tls})
set_target_properties(${mbedtls_static_target} PROPERTIES OUTPUT_NAME mbedtls)
target_link_libraries(${mbedtls_static_target} ${libs} ${mbedx509_static_target})
install(TARGETS ${mbedtls_static_target} ${mbedx509_static_target} ${mbedcrypto_static_target}
DESTINATION ${LIB_INSTALL_DIR}
PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
endif(USE_STATIC_MBEDTLS_LIBRARY)
if(USE_SHARED_MBEDTLS_LIBRARY)
add_library(mbedcrypto SHARED ${src_crypto})
set_target_properties(mbedcrypto PROPERTIES VERSION 2.7.0 SOVERSION 1)
target_link_libraries(mbedcrypto ${libs})
add_library(mbedx509 SHARED ${src_x509})
set_target_properties(mbedx509 PROPERTIES VERSION 2.7.0 SOVERSION 0)
target_link_libraries(mbedx509 ${libs} mbedcrypto)
add_library(mbedtls SHARED ${src_tls})
set_target_properties(mbedtls PROPERTIES VERSION 2.7.0 SOVERSION 10)
target_link_libraries(mbedtls ${libs} mbedx509)
#install(TARGETS mbedtls mbedx509 mbedcrypto
# DESTINATION ${LIB_INSTALL_DIR}
# PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
endif(USE_SHARED_MBEDTLS_LIBRARY)
add_custom_target(lib DEPENDS mbedcrypto mbedx509 mbedtls)
if(USE_STATIC_MBEDTLS_LIBRARY AND USE_SHARED_MBEDTLS_LIBRARY)
add_dependencies(lib mbedcrypto_static mbedx509_static mbedtls_static)
endif()
======================ffmpeg 备注================================
cmake_minimum_required(VERSION 3.4.1)
# 创建一个变量 source_file 它的值就是src/main/cpp/ 所有的.cpp文件
file(GLOB source_file src/main/cpp/*.cpp)
add_library(
native-lib
SHARED
${source_file} )
include_directories(src/main/cpp/include)
#通过CMAKE_CXX_FLAGS -L一次性引入多个库；也可以通过-I指定要查找的头文件路径（代替include_directories（））
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -L${CMAKE_SOURCE_DIR}/src/main/cpp/libs/${ANDROID_ABI}")
#可以设置多个第三方库（一个一个）
#add_library(lib SHARED/STATIC IMPORTED)
#set_target_properties(lib PROPERTIES IMPORTED_LOCATION ${LIB_DIR}/XX.a)
#avfilter avformat avcodec avutil swresample swscale
target_link_libraries( native-lib
avformat avcodec avfilter avutil swresample swscale
log z)
