Problem in ppl_lpsol.c

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Michael Tautschnig

22 Oct 2008 22 Oct '08

10:40 p.m.

Dear Developers,

With the compile flags used in current and future Ubuntu builds, there is a problem in demos/ppl_lpsol/ppl_lpsol.c:

ppl_lpsol.c:271: error: format not a string literal and no format arguments ppl_lpsol.c:272: error: format not a string literal and no format arguments ppl_lpsol.c:273: error: format not a string literal and no format arguments

This is best solved by using

fprintf(stdout, "%s", usage_string1);

and so forth.

Thanks, Michael

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Roberto Bagnara

22 Oct 22 Oct

11:02 p.m.

Michael Tautschnig wrote:

...

With the compile flags used in current and future Ubuntu builds, there is a problem in demos/ppl_lpsol/ppl_lpsol.c:

ppl_lpsol.c:271: error: format not a string literal and no format arguments ppl_lpsol.c:272: error: format not a string literal and no format arguments ppl_lpsol.c:273: error: format not a string literal and no format arguments

This is best solved by using

fprintf(stdout, "%s", usage_string1);

and so forth.

Hi Michael,

thanks for the report. Can you tell us which are the compile flags you are talking about? This way we can make sure no other problem like that one remain or are introduced by mistake. Cheers,

Roberto

P.S. We are also working on the other issues.

-- Prof. Roberto Bagnara Computer Science Group Department of Mathematics, University of Parma, Italy http://www.cs.unipr.it/~bagnara/ mailto:bagnara@cs.unipr.it

Michael Tautschnig

23 Oct 23 Oct

12:07 a.m.

...

thanks for the report. Can you tell us which are the compile flags you are talking about? This way we can make sure no other problem like that one remain or are introduced by mistake. Cheers,

Oops, sorry, I should have attached the log:

make[2]: Entering directory `/root/ppl-0.10~pre35/demos/ppl_lpsol' i486-linux-gnu-gcc -DHAVE_CONFIG_H -I. -I../.. -I../../interfaces/C -pedantic -std=gnu89 -Werror -g -O2 -frounding-math -Wall -g -O2 -W -Wall -MT ppl_lpsol.o -MD -MP -MF .deps/ppl_lpsol.Tpo -c -o ppl_lpsol.o ppl_lpsol.c cc1: warnings being treated as errors ppl_lpsol.c: In function 'process_options': ppl_lpsol.c:271: error: format not a string literal and no format arguments ppl_lpsol.c:272: error: format not a string literal and no format arguments ppl_lpsol.c:273: error: format not a string literal and no format arguments make[2]: *** [ppl_lpsol.o] Error 1

This happens when using Ubuntu's gcc (Ubuntu 4.3.2-1ubuntu10) 4.3.2. For some reason, it doesn't happen in Debian, probably Ubuntu people added some more default warnings to -Wall (see also https://wiki.ubuntu.com/CompilerFlags).

Thanks for your prompt responses, Michael

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Michael Tautschnig
Roberto Bagnara