checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking for a thread-safe mkdir -p... /bin/mkdir -p checking for gawk... gawk checking whether make sets $(MAKE)... yes checking for g++... g++ checking whether the C++ compiler works... yes checking for C++ compiler default output file name... a.out checking for suffix of executables... checking whether we are cross compiling... no checking for suffix of object files... o checking whether we are using the GNU C++ compiler... yes checking whether g++ accepts -g... yes checking for style of include used by make... GNU checking dependency style of g++... gcc3 checking for gcc... gcc checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed checking dependency style of gcc... gcc3 checking build system type... x86_64-unknown-linux-gnu checking host system type... x86_64-unknown-linux-gnu checking how to print strings... printf checking for a sed that does not truncate output... /bin/sed checking for grep that handles long lines and -e... /bin/grep checking for egrep... /bin/grep -E checking for fgrep... /bin/grep -F checking for ld used by gcc... /usr/bin/ld checking if the linker (/usr/bin/ld) is GNU ld... yes checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B checking the name lister (/usr/bin/nm -B) interface... BSD nm checking whether ln -s works... yes checking the maximum length of command line arguments... 1572864 checking whether the shell understands some XSI constructs... yes checking whether the shell understands "+="... yes checking how to convert x86_64-unknown-linux-gnu file names to x86_64-unknown-linux-gnu format... func_convert_file_noop checking how to convert x86_64-unknown-linux-gnu file names to toolchain format... func_convert_file_noop checking for /usr/bin/ld option to reload object files... -r checking for objdump... objdump checking how to recognize dependent libraries... pass_all checking for dlltool... no checking how to associate runtime and link libraries... printf %s\n checking for ar... ar checking for archiver @FILE support... @ checking for strip... strip checking for ranlib... ranlib checking command to parse /usr/bin/nm -B output from gcc object... ok checking for sysroot... no checking for mt... mt checking if mt is a manifest tool... no checking how to run the C preprocessor... gcc -E checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking for dlfcn.h... yes checking for objdir... .libs checking if gcc supports -fno-rtti -fno-exceptions... no checking for gcc option to produce PIC... -fPIC -DPIC checking if gcc PIC flag -fPIC -DPIC works... yes checking if gcc static flag -static works... yes checking if gcc supports -c -o file.o... yes checking if gcc supports -c -o file.o... (cached) yes checking whether the gcc linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes checking dynamic linker characteristics... GNU/Linux ld.so checking how to hardcode library paths into programs... immediate checking whether stripping libraries is possible... yes checking if libtool supports shared libraries... yes checking whether to build shared libraries... no checking whether to build static libraries... yes checking how to run the C++ preprocessor... g++ -E checking for ld used by g++... /usr/bin/ld -m elf_x86_64 checking if the linker (/usr/bin/ld -m elf_x86_64) is GNU ld... yes checking whether the g++ linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes checking for g++ option to produce PIC... -fPIC -DPIC checking if g++ PIC flag -fPIC -DPIC works... yes checking if g++ static flag -static works... yes checking if g++ supports -c -o file.o... yes checking if g++ supports -c -o file.o... (cached) yes checking whether the g++ linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes checking dynamic linker characteristics... (cached) GNU/Linux ld.so checking how to hardcode library paths into programs... immediate checking whether make sets $(MAKE)... (cached) yes checking for mkdir... /bin/mkdir checking for pkg-config... /usr/bin/pkg-config checking for doxygen... no checking for dot... NO checking for xmlto... no checking whether to enable maintainer-specific portions of Makefiles... no checking maintainer mode... checking g++ visibility attribute... yes checking whether g++ accepts -fvisibility-inlines-hidden... yes checking g++ const attribute... yes checking g++ deprecation attribute... yes checking g++ noreturn attribute... yes checking g++ pure attribute... yes checking name of standard library namespace (normally "std")... ::std checking boost/smart_ptr.hpp usability... yes checking boost/smart_ptr.hpp presence... yes checking for boost/smart_ptr.hpp... yes checking whether TR1 headers live in tr1 directory... yes checking namespace of TR1 extension to the C++ standard... std::tr1 checking ios usability... yes checking ios presence... yes checking for ios... yes checking streambuf usability... yes checking streambuf presence... yes checking for streambuf... yes checking locale usability... yes checking locale presence... yes checking for locale... yes checking locale function and stringstream::imbue... yes checking char_traits template... yes checking "warning" preprocessor directive... yes checking "message" preprocessor pragma... yes checking for pg_config... /usr/bin/pg_config configure: using PostgreSQL headers at /usr/include/postgresql configure: using PostgreSQL libraries at /usr/lib/x86_64-linux-gnu checking for ANSI C header files... (cached) yes checking ability to compile programs using the standard C library... yes checking for library containing select... none required checking /usr/include/postgresql/libpq-fe.h usability... yes checking /usr/include/postgresql/libpq-fe.h presence... yes checking for /usr/include/postgresql/libpq-fe.h... yes checking for ability to compile source files using libpq... yes checking for main in -lpq... yes checking for PQexec in -lpq... yes checking for correct C++ linkage of basic libpq functions... sed: character class syntax is [[:space:]], not [:space:] configure: error: Linking a call to libpq failed in C++, even though it succeeded in C. If your C and C++ compilers are very different beasts, this may mean that we do not have the right options for linking with it after all. Read the config.log file for more detailed information. Look for the last error message, which may be several pages up from the end of the file.