On 23 May 2013, at 14:10, Bruce Tulloch wrote:

However, if I simply add this uses clause:

uses
 cthreads;

the program compiles fine but fails when linking:

Linking arm-test-threads
/usr/local/lib/fpc/2.7.1/
units/arm-linux/rtl/cthreads.o: In function
`CTHREADS_$$_LOADPTHREADS$$BOOLEAN':
cthreads.pp:(.text.n_cthreads_$$_loadpthreads$$boolean+0xc): warning: Using 'dlopen' in statically linked applications requires at runtime the shared
libraries from the glibc version used for linking

Why/how are you trying to create a statically linked binary? As the message above explains, statically linking libdl relies on a bunch of library magic. At the very least you'll probably also have to link libc explicitly, but I would really recommend to link dynamically instead. Support for binaries statically linked against C libraries is generally very much untested, and known not to work on certain platforms (e.g. Linux/x86-64).


Jonas
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