Re: WOW, What's wrong with 4GL

In article <4uoaa9$ua@globe.indirect.com>, Paul Carlton <pronet03@indirect.com> writes >Someone please help, we are trying to port all of our Informix >4gl code from Sun0S 4.1.3 to Solaris 2.5. Our esql/c programs >have showed no problems on the porting, but our 4gl programs >have.. > >Take this case using static libraries, on 4.1.3, it works, but >here's what happens with Solaris 2.5: > >theron->./c4gl test.4gl -static -o ./test >cc -I/usr1/informix/incl/tools -I/usr1/informix/incl/esql test.c -o >./test -L/usr1/informix/lib/tools -l4gl -lnforms -lfesql -los -lasf >/usr1/informix/lib/tools/netlib.a -los -lasf -lgen -lnsl -lsocket -lm >-ltermlib >theron->./test >This is a test >ARG= -1 >NO arg >Segmentation Fault (core dumped) > > >And here's the code: >MAIN > >DEFINE tsr_id CHAR(6), > arg_no INTEGER > >DISPLAY "This is a test" > >LET arg_no = 0 >LET arg_no = num_args() >DISPLAY "ARG= ", arg_no > >IF arg_no > 0 >THEN > DISPLAY "arg in" > > LET tsr_id = arg_val(1) > DISPLAY "tsr_id = ", tsr_id >ELSE > DISPLAY "NO arg " >END IF > > >END MAIN > > >1. Why would it core dump at 'END MAIN'? Strange, does not seem coorect to me - try putting a display right before the END MAIN and see what happens. >2. Why would 'num_args()' return -1 even though we passed > arguments?? > >--------------- > Again seems very wierd. >c4gl, just to compile this program, takes over 90 seconds before >it finishes the compile... On the SunOS 4.1.3 platform, it will take >about 2-3 seconds... > >--------------- 90 seconds is far too long - something is wrong at the UNIX level. > >Problem 3: (THE BIGGIE) > >When we try and run our commercial application (Compiled with a >'static' library), we get the following: >theron->./protel.4ge >Program stopped at "SLIB/main.4gl", line number 16. >4GL run-time error number -25588. >The appl process cannot connect to OnLine server online_dev. >theron-> > > >The line that it happens on in the .4gl is immediately following >'MAIN'... There are NO statements, so it's trying to execute some >informix start-up routine and we are getting the message there... > Sounds as if main.4gl has a DATABASE <foo> statement or similar at the top outside of any function. If this is outside of any function then it is a complier directive defining where a to find the table definition in a DEFINE statement:- DEFINE <variable> LIKE <table>.column DEFINE <variable. RECORD LIKE <table>.* If it is outside any function AND also in the .4gl file file which contains MAIN then IN ADDITION before main is entered the 4gl connects to the database in the DATABASE <foo> statement. >The other day, I tried to use 'c4gl -shared' to use a shared library >instead and low and behold, we did NOT get the above error message. > Sounds as if your environment was different or the database server was up at the time. >So it only happens with 'static' libraries... Something is definitely >very wrong. > Doesn't sound right, try doing isql <database> or dbaccess <database> before compiling at check you can connect to the database. >When we use shared libraries, we STILL get 'Problem #1'... > >------------------ > >Informix Technical Support has not given us the proper help needed in >solving these 3 problems, so we are left 'guessing' and grabbing >at straws!! > >Anyone else have any ideas... > >thanks again, > >MIS, Promark One > > Which version of 4GL/engine are you using and what are you enviroment variables set to? -- David Williams