This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.

configure:2721: checking host system type
configure:2742: checking target system type
configure:2760: checking build system type
configure:2827: checking site config conf.x86_64-unknown-linux-gnu-g++.in
configure:3380: checking whether the C compiler (  ) works
configure:3438: checking for g++
configure:3483: /usr/bin/g++ -o conftest    conftest.c  1>&5
configure:3509: checking whether the C compiler (/usr/bin/g++  ) is a cross-compiler
configure:3643: checking for g++
configure:3677: checking whether the C++ compiler (g++  ) works
configure:3693: g++ -o conftest    conftest.C  1>&5
configure:3719: checking whether the C++ compiler (g++  ) is a cross-compiler
configure:3724: checking whether we are using GNU C++
configure:3733: g++ -E conftest.C
configure:3746: checking whether g++ accepts -g
configure:3784: checking for Cygwin environment
configure:3800: /usr/bin/g++ -c   conftest.c 1>&5
configure: In function 'int main()':
configure:3796: error: '__CYGWIN32__' was not declared in this scope
configure: failed program was:
#line 3789 "configure"
#include "confdefs.h"

int main() {

#ifndef __CYGWIN__
#define __CYGWIN__ __CYGWIN32__
#endif
return __CYGWIN__;
; return 0; }
configure:3817: checking for mingw32 environment
configure:3829: /usr/bin/g++ -c   conftest.c 1>&5
configure: In function 'int main()':
configure:3825: error: '__MINGW32__' was not declared in this scope
configure: failed program was:
#line 3822 "configure"
#include "confdefs.h"

int main() {
return __MINGW32__;
; return 0; }
configure:3860: checking for executable suffix
configure:3870: /usr/bin/g++ -o conftest    conftest.c  1>&5
configure:3918: checking for object suffix
configure:3924: /usr/bin/g++ -c   conftest.c 1>&5
configure:3948: checking lib suffix
configure:3970: checking shared object suffix
configure:3995: checking shared object praefix
configure:4303: checking project config common.project.in
configure:4314: checking package config common.libs.in
configure:4326: checking additional package configs