Firebird - status update (not ready yet)
btomi96 at gmail.com
Sun Aug 14 12:11:55 UTC 2016
>> It seems, I can use dylib tokens like
>> "@loader_path/libEngine12.dylib" in the string passed to dlopen.
> I don't know. I don't find a reference online that says that dlopen
> understands those tokens. Did you find some documentation that says it
> does? I see it only referenced about dependent libraries.
I didn't find any documentation neither, but the following scenario proves,
that it works (patch set 15):
- Change dependency of isql's fbclient library:
- run isql
- type: create database "hello.fdb";
The database is successfully created. I used isql for testing it.
With soffice, it does not work for some reason.
> What we could conceptually do is something like:
> OUString sLibURL("$LO_LIB_DIR");
> OUString sEnginePath;
> ::osl::FileBase::getSystemPathFromFileURL(sLibURL + "/libEngine12.dylib", sEnginePath);
> dlopen(OUStringToOString(sEnginePath, RTL_TEXTENCODING_UTF8).getStr());
> But the expandMacros and getSystemPathFromFileURL has to be done from
> libreoffice code, while the dlopen is done from firebird code... That
> could be a difficulty... A somewhat hackish solution is that
> libreoffice code sets some environmental variable (or ... horror of
> horrors ... a global variable) that the firebird code reads. <shrug>
DYLD_LIBRARY_PATH could be defined. I'll try this way.
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