[203] in Pthreads mailing list archive
Problems with -D_POSIX_SOURCE and -ansi flags
daemon@ATHENA.MIT.EDU (Yann Langlais)
Mon Nov 13 18:48:49 1995
From: Yann Langlais <ylanglais@houston.geoquest.slb.com>
To: pthreads@MIT.EDU
Date: Mon, 13 Nov 1995 17:19:59 -0600 (CST)
Hi again.
I've got some REAL difficulties trying to use the -D_POSIX_SOURCE
and the -ansi flags while compiling a prog using pthreads.
Configuration:
SunOS 4.1.3C
gcc2.7.0
pthreads-1.60_beta4_1
while compiling with no special flag, except -ggdb -fPIC and the
include path for the pthread includes (wich is on my local disk),
no problem.
But I usually try to get a stricter compilation avoiding the
non portable stuff with the flags:
-ansi -D_POSIX_SOURCE -Wall -pedantic
and then, it says:
889 felix p3 /home/langlais/dev/multithread
%gcc -ggdb -fPIC -ansi -D_POSIX_SOURCE -Wall -pedantic -ggdb -fPIC -I/home/langlais/include tthread.c
-o Tthread -L/home/langlais/lib -lpthread -ldl -lm
In file included from tthread.c:2:
/home/langlais/include/stdio.h:332: syntax error before `int'
In file included from /home/langlais/include/pthread/machdep.h:8,
from /home/langlais/include/pthread.h:46,
from tthread.c:5:
/home/langlais/include/unistd.h:66: parse error before `sleep'
/home/langlais/include/unistd.h:66: warning: parameter names (without types) in function declaration
/home/langlais/include/unistd.h:66: ANSI C forbids data definition with no type or storage class
/home/langlais/include/unistd.h:72: parse error before `alarm'
/home/langlais/include/unistd.h:72: warning: parameter names (without types) in function declaration
/home/langlais/include/unistd.h:72: ANSI C forbids data definition with no type or storage class
890 felix p3 /home/langlais/dev/multithread
% 17:08:52 13/11/1995
The parse errors are due to:
__INLINE which is defined w/ exotic and gcc specific stuff (i.e. static inline or extern inline)
u_int which is undefined.
if I remove the -ansi flag:
%gcc -ggdb -fPIC -D_POSIX_SOURCE -Wall -pedantic -ggdb -fPIC -I/home/langlais/include tthread.c
-o Tthread -L/home/langlais/lib -lpthread -ldl -lm
In file included from tthread.c:2:
/home/langlais/include/stdio.h:332: warning: ANSI does not permit the keyword `inline'
In file included from /home/langlais/include/pthread/machdep.h:8,
from /home/langlais/include/pthread.h:46,
from tthread.c:5:
/home/langlais/include/unistd.h:66: parse error before `sleep'
/home/langlais/include/unistd.h:66: warning: parameter names (without types) in function declaration
/home/langlais/include/unistd.h:66: ANSI C forbids data definition with no type or storage class
/home/langlais/include/unistd.h:72: parse error before `alarm'
/home/langlais/include/unistd.h:72: warning: parameter names (without types) in function declaration
/home/langlais/include/unistd.h:72: ANSI C forbids data definition with no type or storage class
Still a problem of u_int definition.
And with -ansi but NO -D_POSIX_SOURCE:
891 felix p3 /home/langlais/dev/multithread
%gcc -ggdb -fPIC -ansi -Wall -pedantic -ggdb -fPIC -I/home/langlais/include tthread.c
-o Tthread -L/home/langlais/lib -lpthread -ldl -lm
In file included from tthread.c:2:
/home/langlais/include/stdio.h:332: syntax error before `int'
(due to __INLINE)
which is better, but still not ok.
I tried to play with the __GNUC__ and the __STDC__, but it only creates more problems
and I'm not that familiar with these kind of ``games''.
Has someone got a tip allow ANSI and POSIX enforcement using gcc on SunOS?
Thanks!
| Yann LANGLAIS | l.
langlais@houston.GeoQuest.slb.com lOO.
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