Rob Heatherly wrote:
tcc -Wall -Wunsupported -bench -shared -soname libyLOG.so.1 -o
libyLOG.so.1.0 -lrt yLOG.c
It performs as expected when my main program is compiled with tcc, but
when that same main program is complied with gcc I get the following
when linking...
libyLOG.so: file not recognized: File format not recognized
When I recompile the yLOG library with the tcc "-g" flag, the main gcc
program compiles/links to it with no problem. Small, but maybe
confusing deal. Am I missing or doing something classically stupid?
Indeed that looks confusing. I tried this setup with a _very_
simple foo.so (with only one "hello world" type function) and it
seemed to work finr, regardless of -g. (using a gcc 4.3.2 on an
older ubuntu64 for the main program).
However I also tried that with libtcc.so as produced with
./configure --disable-static
and then running the result gave a lot of errors about relocations
out of range and then crashed. Also regardless of -g.
Which suggests that there might be something wrong with tcc's
shared libraries on x86-64. I can't tell what however.
One thing to note is that tcc does not support -fPIC while gcc
actually requires it for libtcc.so. Maybe it has to do with
that, maybe not.
--- grischka
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