Windows shared libraries are in searched in your exec path. On Linux they 
are
set ldconfig (/etc/ldconfig.conf) or LD_LIBRARY_PATH. That is, when you
run the program. Linking obeys gcc rules everywhere.

Victor
----- Original Message ----- 
From: "James Hearon" 
To: 
Sent: Wednesday, August 20, 2008 5:41 PM
Subject: [Csnd] GCC Linux



Hi,
A bit stumped on GCC Linux (fedora) differences from MinGW GCC.  Trying to 
compile simple api example (interfaces/csound/csound_main.c) using GCC from 
the command line using csound5 or build as the current directory.  Linking 
to libcsound.a, but get lots of undefined ref errors.

$ gcc -Wall -O2 -IH -L. csound_main.c -o csound_main -lcsound

Works fine in MinGW.  Tried all sorts of things with Linux GCC (permissions, 
direct paths, static flag, different versions etc.), but only work around I 
could stumble upon was also include any shared lib (ex. librtalsa.so), to 
make the undefined reference errors go away.

$ gcc -Wall -O2 -IH -L. csound_main.c -o csound_main -lcsound -lrtalsa

But then I need to set the LD_LIBRARY_PATH variable to run the binary file 
because of the linked .so lib.

Just seems odd.  Wonder if anyone could help explain.  Thanks.

gcc --version
gcc (GCC) 4.3.0 20080428 (Red Hat 4.3.0-8)


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