Re: [Tiny-cobol-users] Segmentation Fault

[David E. <de...@us...>]

Reg wrote:

 > This now works to create a static binary, but
 > how do I create a dynamic loading system?

What was created in the example was a binary linked with shared 
libraries (DLL's) and a static TC RT library.
The system linker will try to use a shared library, failing that it will 
try using a static library.

So I'm not sure what you mean by a 'dynamic loading system'.

If you want to create a shared TC RT library (DLL), just change the 
'lib' make file.

#all: static-libs
all: static-libs shared-libs
...
#install: install-rts-config install-static-libs
install: install-rts-config install-static-libs install-shared-libs

Then from the 'development' directory,
make clean
make
make install (as root)

If you prefer to use modules (shared library), just use the '-m' option 
then run it using 'htcobrun'.

 > When I change the -c to -x  on the compile stage,
 > I get the problem again.
 > What do I need to put in on the compile line?
 > (htcobol ......-x or -m.....XYZ.COB)

The reason you are getting those linkage error messages, is that you are 
using two different versions of TC to create a binary.
You are using 'htcobol' from version 0.63.87 (I think), and the RTL from 
another TC version.

The best fix would be to remove all installed TC files, then do a new TC 
install using the source from version 0.63.87.

A quich fix is to use add the following to the xterm config ('.bashrc' 
or '.profile'), or what ever you are using as a terminal.

export TCOB_OPTIONS_PATH=/TinyCobol/development/compiler
export TCOB_RTCONFIG_PATH=/TinyCobol/development/lib
export TCOB_LD_LIBRARY_PATH=/TinyCat
export LD_LIBRARY_PATH=/TinyCobol/development/lib:/TinyCat

To the TC compile time resource file 'htcobolrc', found in the 
'development/compiler' directory, add the following.

LD_PATH: -L/TinyCobol/development/lib

Now do the following.
Check the version of TC used, a test compile and run the binary created.
You should get the following results with no linker errors.

#/TinyCobol/development/compiler/htcobol -V
TinyCOBOL - pre alpha 0.63.87 ...

#cd /TinyCat

#/TinyCobol/development/compiler/htcobol -v -x DEGRABBER.COB
as -o DEGRABBER.o DEGRABBER.s
gcc -o DEGRABBER DEGRABBER.o -L/TinyCobol/development/lib -lhtcobol
    -ldl -ldb -lncurses -lm

#./DEGRABBER

Now create a module and use 'htcobrun' to load it and run it.

#/TinyCobol/development/compiler/htcobol -v -m DEGRABBER.COB
as -o DEGRABBER.o DEGRABBER.s
gcc -shared -Wl,-soname,DEGRABBER.so -o DEGRABBER.so
    DEGRABBER.o -L/TinyCobol/development/lib -lhtcobol

#/TinyCobol/development/cobrun/htcobrun DEGRABBER

Cheers.