LNK2019: LNK1120 Unresolved External Symbol

[sherryjones0410]

PSSE33 and upgraded to IVF 2020 but using 2015 only for VS2010 compiler

Creating library C:\Users\xxxxxxx\.pssenvmgr\dsusr.lib and object C:\Users\xxxxxxx\.pssenvmgr\dsusr.exp

 libirc.lib(irc_msg_support.obj) : error LNK2019: unresolved external symbol ___stdio_common_vsprintf referenced in function ___libirc_get_msg

 libirc.lib(irc_msg_support.obj) : error LNK2019: unresolved external symbol ___acrt_iob_func referenced in function ___libirc_print

 libirc.lib(irc_msg_support.obj) : error LNK2019: unresolved external symbol ___stdio_common_vfprintf referenced in function ___libirc_print

 C:\Users\xxxxxxx\.pssenvmgr\dsusr.dll : fatal error LNK1120: 3 unresolved externals

I am IT Support assisting Engineering and have just upgraded IVF to 2020 ... PSSE34 is compiling fine but are having issues with PSSE33 at the Linkage portion.  Can you please assist?

[mecej4]

I do not know what PSSE33 is, but the symptoms suggest that you need to include an additional library at link time: the Microsoft legacy_stdio_definitions.lib . For more details, please see:

https://docs.microsoft.com/en-us/cpp/porting/overview-of-potential-upgrade-issues-visual-cpp?view=msvc-160

[JohnNichols]

It appears to be a Siemens Power System engineering program, probably oldish. 

[Steve_Lionel]

In case it wasn't clear from @mecej4's reply, this is really from upgrading Microsoft Visual Studio, not Intel Fortran.