C code in a BPL

[gbrandt]

Builder 2010, Windows 7 32 bit.

I have created a BPL that uses the sqlite source code. compiling and linking the BPL works fine. Compiling and linking any application that uses the bpl brings up link errors like this:

Code: Select all

[ILINK32 Error] Error: Unresolved external '_sqlite3_open' referenced from C:\USERS\PUBLIC\DOCUMENTS\RAD STUDIO\7.0\DCP\ERLPHASEBPL.LIB|SQLServer.cpp

I would have thought that the sqlite3.obj was part of the bpl and that the code would be found just fine. Am I missing something. I put the sqlite3.obj in the library search path but that did not fix the issue.

This most certainly has something to do with this being C code, but I can't figure out.

Thanks,
Gregor

[gambit47]

I would have thought that the sqlite3.obj was part of the bpl and that the code would be found just fine. Am I missing something. I put the sqlite3.obj in the library search path but that did not fix the issue.

But is the .obj file actually *IN* the BPL project itself - either via "Add to Project" or more likely a "#pragma link" in the code? Just pointing the project to the library path is not enough to import files during compiling if the compiler/linker does not know what it is supposed to be looking for.

[gbrandt]

sign, ok, if we ever meet I owe you a few beers for the answers....

I have other .obj files produced by C++ code and they don't need the #pragma link, although they did get a #pragma package( smart_init) (which did not work for C).

Thanks for the help, that was the solution.

Gregor

[mikesleves]

Whenever you compile the code at that time compiler make the code into the assembly language and then after it goes in the use-define languages.