fix: OpenSSL: Need to add openssl/applink.c to Windows executables using OpenSSL #4864

CMakeLists.txt

@@ -216,12 +216,18 @@ option(POCO_UNBUNDLED
 if(ENABLE_TESTS)
 	include(CTest)
 	enable_testing()
-	message(STATUS "Building with unittests & samples")
+	message(STATUS "Building with unit tests")
 	if(ENABLE_TEST_DEPRECATED)
 		add_compile_definitions(POCO_TEST_DEPRECATED)
 	endif()
 else()
-	message(STATUS "Building without tests & samples")
+	message(STATUS "Building without unit tests")
+endif()
+
+if(ENABLE_SAMPLES)
+	message(STATUS "Building with samples")
+else()
+	message(STATUS "Building without samples")
 endif()
 
 if(ENABLE_FUZZING)

Crypto/samples/genrsakey/CMakeLists.txt

@@ -1,2 +1,5 @@
 add_executable(genrsakey src/genrsakey.cpp)
 target_link_libraries(genrsakey PUBLIC Poco::Crypto Poco::Util Poco::XML)
+if(MSVC)
+	target_link_libraries(genrsakey PRIVATE OpenSSL::applink)
+endif()

Crypto/testsuite/CMakeLists.txt

@@ -26,6 +26,9 @@ else()
 	set_tests_properties(Crypto PROPERTIES ENVIRONMENT POCO_BASE=${CMAKE_SOURCE_DIR})
 endif()
 target_link_libraries(Crypto-testrunner PUBLIC Poco::NetSSL Poco::XML CppUnit)
+if(MSVC)
+	target_link_libraries(Crypto-testrunner PRIVATE OpenSSL::applink)
+endif()
 if(UNIX AND NOT ANDROID)
 	target_link_libraries(Crypto-testrunner PUBLIC pthread)
 endif(UNIX AND NOT ANDROID)

Crypto/testsuite/src/CryptoTestSuite.cpp

@@ -9,11 +9,6 @@
 
 
 #include "Poco/Platform.h"
-// see https://www.openssl.org/docs/faq.html
-// and https://github.com/openssl/openssl/blob/master/doc/man3/OPENSSL_Applink.pod
-#if defined(POCO_OS_FAMILY_WINDOWS) && defined(OPENSSL_REQUIRE_APPLINK)
-#include "openssl/applink.c"
-#endif
 #include "CryptoTestSuite.h"
 #include "CryptoTest.h"
 #include "RSATest.h"

JWT/testsuite/CMakeLists.txt

@@ -26,6 +26,9 @@ else()
 	set_tests_properties(JWT PROPERTIES ENVIRONMENT POCO_BASE=${CMAKE_SOURCE_DIR})
 endif()
 target_link_libraries(JWT-testrunner PUBLIC Poco::JWT Poco::Crypto CppUnit)
+if(MSVC)
+	target_link_libraries(JWT-testrunner PRIVATE OpenSSL::applink)
+endif()
 if(UNIX AND NOT ANDROID)
 	target_link_libraries(JWT-testrunner PUBLIC pthread)
 endif(UNIX AND NOT ANDROID)

NetSSL_OpenSSL/samples/HTTPSTimeServer/CMakeLists.txt

@@ -1,2 +1,5 @@
 add_executable(HTTPSTimeServer src/HTTPSTimeServer.cpp)
 target_link_libraries(HTTPSTimeServer PUBLIC Poco::NetSSL Poco::Util Poco::XML)
+if(MSVC)
+	target_link_libraries(HTTPSTimeServer PRIVATE OpenSSL::applink)
+endif()

NetSSL_OpenSSL/samples/Mail/CMakeLists.txt

@@ -1,2 +1,5 @@
 add_executable(Mail-ssl src/Mail.cpp)
 target_link_libraries(Mail-ssl PUBLIC Poco::NetSSL Poco::Util Poco::XML)
+if(MSVC)
+	target_link_libraries(Mail-ssl PRIVATE OpenSSL::applink)
+endif()

NetSSL_OpenSSL/samples/SetSourceIP/CMakeLists.txt

@@ -1,5 +1,5 @@
 add_executable(SetSourceIP src/SetSourceIP.cpp)
 target_link_libraries(SetSourceIP PUBLIC Poco::NetSSL Poco::Crypto Poco::Util Poco::Net Poco::XML Poco::Foundation)
-# uncomment following line, might solve compiling issues
+if(MSVC)
-#set(CMAKE_CXX_STANDARD 11)
+	target_link_libraries(SetSourceIP PRIVATE OpenSSL::applink)
-
+endif()

NetSSL_OpenSSL/samples/TwitterClient/CMakeLists.txt

@@ -3,3 +3,6 @@ add_executable(TwitterCLient
 	src/Twitter.cpp
 )
 target_link_libraries(TwitterCLient PUBLIC Poco::NetSSL Poco::Util Poco::JSON Poco::XML)
+if(MSVC)
+	target_link_libraries(TwitterClient PRIVATE OpenSSL::applink)
+endif()

NetSSL_OpenSSL/samples/download/CMakeLists.txt

@@ -1,2 +1,5 @@
 add_executable(download-ssl src/download.cpp)
 target_link_libraries(download-ssl PUBLIC Poco::NetSSL Poco::Util Poco::XML)
+if(MSVC)
+	target_link_libraries(download-ssl PRIVATE OpenSSL::applink)
+endif()

NetSSL_OpenSSL/testsuite/CMakeLists.txt

@@ -35,7 +35,9 @@ else()
 	)
 endif()
 target_link_libraries(NetSSL-testrunner PUBLIC Poco::NetSSL Poco::Util Poco::XML CppUnit)
-
+if(MSVC)
+	target_link_libraries(NetSSL-testrunner PRIVATE OpenSSL::applink)
+endif()
 
 if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/ping/websocket-server.cpp)
 	add_executable(NetSSL-server ping/websocket-server.cpp)