Re: linking against static library of log4cxx

[Micha�l CATANZARITI]

Hi,
Indeed, you cann add a "magic" to link command in order to precise that all 
symbols of the log4cxx library must be imported in your sample :
g++ -o sample sample.cpp -Wl,--whole-archive,-llog4cxx,--no-whole-archive 
-llibxml2
this trick is specific to the static lib. If you compile the log4cxx dynamic 
library (using Jwahar Bammi trick, I have no other solution for the moment), 
all symbols are automatically loaded at runtime.
Regards,
Maarten Boekhold wrote:
Hi,
I'm trying to link a program against the static log4cxx library (liblog4cxx.a,
under cygwin). The linking itself succeeds, but executing the resulting program
fails with:
Could not instantiate class [org.apache.log4j.ConsoleAppender].
Class 'org.apache.log4j.ConsoleAppender' not found
Could not instantiate appender named "Console".
Is static linking supported at all? If so, is there any magic required in the
link command?
Kind regards, Maarten
ps. I'm initializing log4cxx in this program with:
    Properties props;
    string s_log_pattern = "%d{yyyy/MM/dd HH:mm:ss.SSS} %-5p : %m%n";
    props.setProperty(string("log4j.appender.Console"),
                      string("org.apache.log4j.ConsoleAppender"));
    props.setProperty(string("log4j.appender.Console.layout"),
                      string("org.apache.log4j.PatternLayout"));
   
props.setProperty(string("log4j.appender.Console.layout.ConversionPattern"),
                      s_log_pattern);
    props.setProperty(string("log4j.rootLogger"),
                      string("ALL,Console"));

    LogManager::resetConfiguration();
    PropertyConfigurator::configure(props);

		
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Micha�l CATANZARITI
log4cxx project manager
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