Several users have reported a problem compiling matplotlib with
pygtk-2.4 and recent versions of gcc. It does not appear to be a
matplotlib problem, and we've isolated a simple bit of c++ code
(included below) that contains only standard c++ headers and a
pygobject include, that exposes the problem.
I'll be glad to post a bugzilla report if this is indeed a bug. I
thought it would be worthwhile to get some feedback here first.
Thanks!
JDH
The error message is
In file included from test.cpp:8:
/usr/include/pygtk-2.0/pygobject.h:140: error: parse error before `typename'
/usr/include/pygtk-2.0/pygobject.h:147: error: parse error before `typename'
The test.cpp file
#include <cstring>
#include <cerrno>
#include <cstdio>
#include <iostream>
#include <cmath>
#include <utility>
#include <pygobject.h>
int main() {
std::cout << "hello gtk" << std::cout;
}
The compile command is
> g++ test.cpp `pkg-config --cflags pygtk-2.0` -I/usr/local/include/python2.3/
gcc -pthread -fno-strict-aliasing -DNDEBUG -g -O3 -Wall
-Wstrict-prototypes -fPIC -I/usr/local/include -I/usr/include
-I/usr/include/pygtk-2.0 -I/usr/include/glib-2.0
-I/usr/lib/glib-2.0/include -I/usr/include/gtk-2.0
-I/usr/lib/gtk-2.0/include -I/usr/include/glib-2.0
-I/usr/lib/glib-2.0/include -I/usr/include/python2.3 `pkg-config-c
test.cpp
`pkg-config
[EMAIL PROTECTED]:~/Matplotlib$ gcc -pthread -fno-strict-aliasing
-DNDEBUG -g -O3 -Wall -Wstrict-prototypes -fPIC -I/usr/local/include
-I/usr/include -I/usr/include/pygtk-2.0 -I/usr/include/glib-2.0
-I/usr/lib/glib-2.0/include -I/usr/include/gtk-2.0
-I/usr/lib/gtk-2.0/include -I/usr/include/glib-2.0
-I/usr/lib/glib-2.0/include -I/usr/include/python2.3 `pkg-config
pygtk-2.0` -c test.cpp
In file included from /usr/include/python2.3/Python.h:8,
from /usr/include/pygtk-2.0/pygobject.h:5,
from test.cpp:8:
/usr/include/python2.3/pyconfig.h:856:1: warning: "_POSIX_C_SOURCE"
redefined
In file included from /usr/include/string.h:26,
from /usr/include/c++/3.3/cstring:51,
from test.cpp:1:
/usr/include/features.h:131:1: warning: this is the location of the
previous definition
In file included from test.cpp:8:
/usr/include/pygtk-2.0/pygobject.h:140: error: parse error before `typename'
/usr/include/pygtk-2.0/pygobject.h:147: error: parse error before `typename'
gcc version info
> gcc -v
Reading specs from /usr/lib/gcc-lib/i486-linux/3.3.5/specs
Configured with: ../src/configure -v
--enable-languages=c,c++,java,f77,pascal,objc,ada,treelang
--prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info
--with-gxx-include-dir=/usr/include/c++/3.3 --enable-shared
--with-system-zlib --enable-nls --without-included-gettext
--enable-__cxa_atexit --enable-clocale=gnu --enable-debug
--enable-java-gc=boehm --enable-java-awt=xlib --enable-objc-gc
i486-linux
Thread model: posix
gcc version 3.3.5 (Debian 1:3.3.5-1)
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