Compilation problem with recent CVS.
Stanley Hopcroft
Stanley.Hopcroft at IPAustralia.gov.au
Wed May 25 07:28:21 CEST 2005
Dear Folks,
I am writing to forward a potential problem compiling a recent CVS.
'
I've been having a few minor problems in the last few weeks with the
embedded perl in Nagios compiled in. This is with -CVS.
1. Firstly, I'm seeing compile warnings on a fair few lines, like this:
cd ./base && make
make[1]: Entering directory `/usr/src/nagios/nagios/base'
gcc -g -O2 -I/usr/include -D_REENTRANT -D_GNU_SOURCE -DDEBUGGING
-fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE
-D_FILE_OFFSET_BITS=64 -I/usr/include/gdbm
-I/usr/lib/perl5/5.8.6/i386-linux-thread-multi/CORE -DHAVE_CONFIG_H
-DNSCORE -c -o broker.o broker.c
In file included from broker.c:26:
../include/config.h:24:1: warning: "_REENTRANT" redefined
<command line>:1:1: warning: this is the location of the previous
definition
gcc -g -O2 -I/usr/include -D_REENTRANT -D_GNU_SOURCE -DDEBUGGING
-fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE
-D_FILE_OFFSET_BITS=64 -I/usr/include/gdbm
-I/usr/lib/perl5/5.8.6/i386-linux-thread-multi/CORE -DHAVE_CONFIG_H
-DNSCORE -c -o nebmods.o nebmods.c
In file included from nebmods.c:26:
../include/config.h:24:1: warning: "_REENTRANT" redefined
<command line>:1:1: warning: this is the location of the previous
definition
gcc -g -O2 -I/usr/include -D_REENTRANT -D_GNU_SOURCE -DDEBUGGING
-fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE
-D_FILE_OFFSET_BITS=64 -I/usr/include/gdbm
-I/usr/lib/perl5/5.8.6/i386-linux-thread-multi/CORE -DHAVE_CONFIG_H
-DNSCORE -c -o checks.o checks.c
(more of those messages about 'REENTRANT', but listed that much only for
brevity)
System is a Fedora Core 4 (devel) system, with gcc-4 and friends.
'
the file included from nebmods.c:26:
is
../include/config.h:24:1:
which
#includes epn_nagios.h
that doesn't define _REENTRANT.
Despite the remarks being prefixed with 'embedded Perl', I don't get
this result with gcc 2 or (I think) gcc 3 (there are other problems with
gcc 3 on FreeBSD ePN ==> see later post).
Could this be a problem elsewhere ?
../include/epn_nagios.h includes perl.h but this doesn't appear to
define _REENTRANT only check if it's set
tsitc> grep -i reentrant /usr/local/lib/perl5/5.8.5/mach/CORE/perl.h
/* Use the reentrant APIs like localtime_r and getpwent_r */
#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) &&
!defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
# define USE_REENTRANT_API
#if defined(USE_REENTRANT) || defined(_REENTRANT) ||
defined(_THREAD_SAFE)
tsitc>
This system has a threaded Perl.
I have Cc'd the original poster in case more details are required.
Yours sincerely.
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