[gambit-list] Problems compiling program on Ubuntu

Francois Magnan fmagnan at me.com
Thu Apr 28 12:16:03 EDT 2016


Thank you!
I was missing an option: -Wl,--no-as-needed
Francois Magnan


> On Apr 28, 2016, at 12:11 PM, Marc Feeley <dr.marc.feeley at gmail.com> wrote:
> 
> As a general rule it is best to let gsc do the linking of the executable program (using the -exe option) so that any necessary linker options are passed to the C compiler.  You can check which linking options are necessary by passing the -verbose option to gsc when compiling a small dummy program.
> 
> My guess is that the order of the -ldl and -lutil options is important.  Can you try putting them at the end of the options passed to gcc?
> 
> Marc
> 
>> On Apr 28, 2016, at 11:06 AM, Francois Magnan <fmagnan at me.com> wrote:
>> 
>> Hi,
>> 
>> I am trying to compile my program on the latest Ubuntu release 
>> 
>> 	gcc version 5.3.1 20160413 (Ubuntu 5.3.1-14ubuntu2) 
>> 
>> I have the lastest gambit that compiled flawlessly:
>> 
>> /usr/local/Gambit/bin/gsc -v
>> v4.8.5 20160401231324 x86_64-unknown-linux-gnu “./configure '--enable-single-host' '--enable-gcc-opts'"
>> 
>> I build my program using:
>> 
>> /usr/local/Gambit/bin/gsc  -:f8,t8,-8 -link loader
>> gcc -o athena loader.c loader_.c -lutil -ldl -lm  -L/usr/local/Gambit/lib/ /usr/local/Gambit/lib/libgambit.a -I/usr/local/Gambit/include/
>> 
>> 
>> but at link I get the following error:
>> 
>> /usr/local/Gambit/lib/libgambit.a(os_dyn.o): In function `___dynamic_load':
>> os_dyn.c:(.text+0x1c0): undefined reference to `dlopen'
>> os_dyn.c:(.text+0x1d4): undefined reference to `dlsym'
>> os_dyn.c:(.text+0x1ec): undefined reference to `dlerror'
>> os_dyn.c:(.text+0x228): undefined reference to `dlclose'
>> /usr/local/Gambit/lib/libgambit.a(os_dyn.o): In function `___cleanup_dyn_module':
>> os_dyn.c:(.text+0x3dc): undefined reference to `dlclose'
>> /usr/local/Gambit/lib/libgambit.a(os_io.o): In function `___device_stream_setup_from_process':
>> os_io.c:(.text+0x21cc): undefined reference to `openpty'
>> collect2: error: ld returned 1 exit status
>> 
>> 
>> Any hint on what is wrong?
>> 
>> Thank you,
>> Francois Magnan
>> 
>> 
>> 
>> 
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> 




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