Hello, It looks to me like you need to link with one or more Windows libraries.
QMAKE_LIBS_CORE = kernel32.lib user32.lib shell32.lib uuid.lib ole32.lib advapi32.lib ws2_32.lib -Tom Thomas Floodeen, Jr. Mentor Graphics BSD 720.494.1133 -----Original Message----- From: owner-openssl-us...@openssl.org [mailto:owner-openssl-us...@openssl.org] On Behalf Of Jevin Sonut Sent: Friday, March 22, 2013 2:07 PM To: openssl-users@openssl.org Subject: Linking error HI, can anyone understand what this error means:: libeay32.lib(cryptlib.obj) : error LNK2019: unresolved external symbol __imp__GetUserObjectInformationW@20 referenced in function _OPENSSL_isservice libeay32.lib(cryptlib.obj) : error LNK2019: unresolved external symbol __imp__GetProcessWindowStation@0 referenced in function _OPENSSL_isservice libeay32.lib(cryptlib.obj) : error LNK2019: unresolved external symbol __imp__GetDesktopWindow@0 referenced in function _OPENSSL_isservice libeay32.lib(cryptlib.obj) : error LNK2019: unresolved external symbol __imp__MessageBoxA@16 referenced in function _OPENSSL_showfatal libeay32.lib(cryptlib.obj) : error LNK2019: unresolved external symbol __imp__DeregisterEventSource@4 referenced in function _OPENSSL_showfatal libeay32.lib(cryptlib.obj) : error LNK2019: unresolved external symbol __imp__ReportEventA@36 referenced in function _OPENSSL_showfatal libeay32.lib(cryptlib.obj) : error LNK2019: unresolved external symbol __imp__RegisterEventSourceA@8 referenced in function _OPENSSL_showfatal debug\Openssl2.exe : fatal error LNK1120: 7 unresolved externals I tried to link QT with open ssl i tried to run the code from http://www.askyb.com/cpp/openssl-sha512-hashing-example-in-cpp/ the first part and i get the above error DO you think its an error with the linking:: MY QT .pro file :: INCLUDEPATH == C:\\openssl-1.0.1eBuild_Debug\\include LIBS += -LC:\\openssl-1.0.1eBuild_Debug\\lib \ -llibeay32 \ -lssleay32 openssl-1.0.1eBuild_Debug -- is the folder where i built the DEBUG version thanks in advance if Someone can help -- From:- Shanil J.S ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List openssl-users@openssl.org Automated List Manager majord...@openssl.org ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List openssl-users@openssl.org Automated List Manager majord...@openssl.org