Re: Template wrapper link query
PGK wrote:
On Apr 9, 1:50 pm, Victor Bazarov <v.Abaza...@comAcast.net> wrote:
PGK wrote:
I'd like to wrap a series of "C" library functions using instantiated
templates. I'd also like to have this interface in a header file, but
not require the user to link to the "C" library.
In the example below, addInts and addChars are functions stored in a
"C" library. Running "c++ main.cpp addLib.o" is fine, but "c++
main.cpp" gives errors relating to the undefined references to addInts
and addChars.
Well, in the program below they aren't defined. Where *are* they defined?
[..]
They are defined in addLib.o
Uh... So, *if* the compiler/linker *knows* where they are (and it does
when you supply the name of the object module in the command line),
everything is OK, and if you *don't supply* the name of the object
module, you get the error... Hm... Tough choice. What should you
do?... Hm... Don't know what to tell you. Have you tried *not
omitting* the name of the object module from the command line? Oh, you
have, haven't you? And it worked. Aha...
What exactly do you want to hear/read? Isn't this like in the old joke,
"Doctor, if I remove the name of the .o file from the command line, I
get the link error. -- Well, don't do that!"
V
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