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[bug #32247] ../make/main.c:534: error: static declaration of ‘bsd_signa
From: |
Martin Dorey |
Subject: |
[bug #32247] ../make/main.c:534: error: static declaration of ‘bsd_signal’ follows non-static declaration |
Date: |
Tue, 25 Jan 2011 21:20:19 +0000 |
User-agent: |
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.6) Gecko/20100625 Firefox/3.6.6 |
URL:
<http://savannah.gnu.org/bugs/?32247>
Summary: ../make/main.c:534: error: static declaration of
‘bsd_signal’ follows non-static declaration
Project: make
Submitted by: mdorey
Submitted on: Tue 25 Jan 2011 09:20:18 PM GMT
Severity: 3 - Normal
Item Group: Build/Install
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
Component Version: CVS
Operating System: POSIX-Based
Fixed Release: None
Triage Status: None
_______________________________________________________
Details:
On my run-of-the-mill Debian Lenny system:
address@hidden:~/download/make-cvs/whitewater2$ uname -a
Linux whitewater 2.6.26-2-amd64 #1 SMP Thu Nov 25 04:30:55 UTC 2010 x86_64
GNU/Linux
address@hidden:~/download/make-cvs/whitewater2$ gcc -v
Using built-in specs.
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 4.3.2-1.1'
--with-bugurl=file:///usr/share/doc/gcc-4.3/README.Bugs
--enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr --enable-shared
--with-system-zlib --libexecdir=/usr/lib --without-included-gettext
--enable-threads=posix --enable-nls
--with-gxx-include-dir=/usr/include/c++/4.3 --program-suffix=-4.3
--enable-clocale=gnu --enable-libstdcxx-debug --enable-objc-gc --enable-mpfr
--enable-cld --enable-checking=release --build=x86_64-linux-gnu
--host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 4.3.2 (Debian 4.3.2-1.1)
address@hidden:~/download/make-cvs/whitewater2$
The build from clean, from CVS, fails at:
../make/main.c:534: error: static declaration of ‘bsd_signal’ follows
non-static declaration
/usr/include/signal.h:109: error: previous declaration of ‘bsd_signal’
was here
../make/main.c: In function ‘main’:
../make/main.c:1872: warning: comparison of unsigned expression < 0 is always
false
../make/main.c:2209: warning: comparison of unsigned expression < 0 is always
false
make[2]: *** [main.o] Error 1
The conftest results in:
configure:8605: checking whether bsd_signal is declared
configure:8635: gcc -c -g -O2 conftest.c >&5
conftest.c: In function 'main':
conftest.c:76: error: 'bsd_signal' undeclared (first use in this function)
conftest.c:76: error: (Each undeclared identifier is reported only once
conftest.c:76: error: for each function it appears in.)
config.log says the program being compiled is:
| /* end confdefs.h. */
| #include <signal.h>
|
| int
| main ()
| {
| #ifndef bsd_signal
| (void) bsd_signal;
| #endif
|
| ;
| return 0;
| }
If, however, I try to compile that program, or something very similar, with
an extra macro:
#define _GNU_SOURCE 1
#include <signal.h>
int main() {
(void) bsd_signal;
}
Then it succeeds. make.h defines this macro before including signal.h:
/* Specify we want GNU source code. This must be defined before any
system headers are included. */
#define _GNU_SOURCE 1
...
#include <signal.h>
Searching for bsd_signal here, I see this changed not too long ago, under:
bug #25713: Please note CPPFLAGS required to build on Tru64
After Google pointed me to
http://www.airs.com/ian/configure/configure_2.html, specifically the mention
of how to define _GNU_SOURCE in autoconf, I tried the attached patch, which
seemed to work for me. I have no idea what I'm doing with autoconf. Perhaps
the macro should be defined earlier in configure.in.
_______________________________________________________
File Attachments:
-------------------------------------------------------
Date: Tue 25 Jan 2011 09:20:18 PM GMT Name: bsd_signal.patch Size: 636B
By: mdorey
a configure.in patch which defines _GNU_SOURCE before the bsd_signal test
<http://savannah.gnu.org/bugs/download.php?file_id=22512>
_______________________________________________________
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