The specific CFLAG addition in the make file that works is /Zi which means to generate full debug information.
derick Yesterday I ran into the same problem. After some trial and error, I was able to get it to work by editing nt.mak and changing the CFLAG variable to: CFLAG= /MT /Od -DDEBUG -D_DEBUG /Gs0 /Zi /nologo - DOPENSSL_SYSNAME_WIN32 -DWIN32_LEAN_AND_MEAN -DL_ENDIAN -DDSO_WIN32 - D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE -DBN_ASM - DMD5_ASM -DSHA1_ASM -DRMD160_ASM /Fdout32 -DOPENSSL_NO_CAMELLIA - DOPENSSL_NO_RC5 -DOPENSSL_NO_MDC2 -DOPENSSL_NO_KRB5 - DOPENSSL_NO_DYNAMIC_ENGINE -- View this message in context: http://www.nabble.com/RE%3A-Debugging-OpenSSL-with-Visual-Studio-2008-tp23347192p23675774.html Sent from the OpenSSL - User mailing list archive at Nabble.com. ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List openssl-users@openssl.org Automated List Manager majord...@openssl.org