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function(cpprest_find_openssl)
if(TARGET cpprestsdk_openssl_internal)
return()
endif()
if(IOS)
set(IOS_SOURCE_DIR "${PROJECT_SOURCE_DIR}/../Build_iOS")
set(OPENSSL_INCLUDE_DIR "${IOS_SOURCE_DIR}/openssl/include" CACHE INTERNAL "")
set(OPENSSL_LIBRARIES
"${IOS_SOURCE_DIR}/openssl/lib/libcrypto.a"
"${IOS_SOURCE_DIR}/openssl/lib/libssl.a"
CACHE INTERNAL ""
)
set(_SSL_LEAK_SUPPRESS_AVAILABLE ON CACHE INTERNAL "")
elseif(ANDROID)
if(ARM)
set(OPENSSL_INCLUDE_DIR "${CMAKE_BINARY_DIR}/../openssl/armeabi-v7a/include" CACHE INTERNAL "")
set(OPENSSL_LIBRARIES
"${CMAKE_BINARY_DIR}/../openssl/armeabi-v7a/lib/libssl.a"
"${CMAKE_BINARY_DIR}/../openssl/armeabi-v7a/lib/libcrypto.a"
CACHE INTERNAL ""
)
else()
set(OPENSSL_INCLUDE_DIR "${CMAKE_BINARY_DIR}/../openssl/x86/include" CACHE INTERNAL "")
set(OPENSSL_LIBRARIES
"${CMAKE_BINARY_DIR}/../openssl/x86/lib/libssl.a"
"${CMAKE_BINARY_DIR}/../openssl/x86/lib/libcrypto.a"
CACHE INTERNAL ""
)
endif()
set(_SSL_LEAK_SUPPRESS_AVAILABLE ON CACHE INTERNAL "")
else()
if(APPLE)
if(NOT DEFINED OPENSSL_ROOT_DIR)
# Prefer a homebrew version of OpenSSL over the one in /usr/lib
file(GLOB OPENSSL_ROOT_DIR /usr/local/Cellar/openssl*/*)
# Prefer the latest (make the latest one first)
list(REVERSE OPENSSL_ROOT_DIR)
list(GET OPENSSL_ROOT_DIR 0 OPENSSL_ROOT_DIR)
endif()
# This should prevent linking against the system provided 0.9.8y
message(STATUS "OPENSSL_ROOT_DIR = ${OPENSSL_ROOT_DIR}")
set(_OPENSSL_VERSION "")
endif()
if(UNIX)
find_package(PkgConfig)
pkg_search_module(OPENSSL openssl)
endif()
if(OPENSSL_FOUND)
target_link_libraries(cpprest PRIVATE ${OPENSSL_LDFLAGS})
else()
find_package(OpenSSL 1.0.0 REQUIRED)
endif()
INCLUDE(CheckCXXSourceCompiles)
set(CMAKE_REQUIRED_INCLUDES "${OPENSSL_INCLUDE_DIR}")
set(CMAKE_REQUIRED_LIBRARIES "${OPENSSL_LIBRARIES}")
CHECK_CXX_SOURCE_COMPILES("
#include <openssl/ssl.h>
int main()
{
::SSL_COMP_free_compression_methods();
}
" _SSL_LEAK_SUPPRESS_AVAILABLE)
endif()
add_library(cpprestsdk_openssl_internal INTERFACE)
if(TARGET OpenSSL::SSL)
target_link_libraries(cpprestsdk_openssl_internal INTERFACE OpenSSL::SSL)
else()
target_link_libraries(cpprestsdk_openssl_internal INTERFACE "$<BUILD_INTERFACE:${OPENSSL_LIBRARIES}>")
target_include_directories(cpprestsdk_openssl_internal INTERFACE "$<BUILD_INTERFACE:${OPENSSL_INCLUDE_DIR}>")
endif()
if (NOT _SSL_LEAK_SUPPRESS_AVAILABLE)
# libressl doesn't ship with the cleanup method being used in ws_client_wspp
target_compile_definitions(cpprestsdk_openssl_internal INTERFACE -DCPPREST_NO_SSL_LEAK_SUPPRESS)
endif()
endfunction()
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