Thanks Justin, here is it the copy-out:<br><br>sergio@sergio-laptop:~/Desktop/gromacs-4.5.3$ ./configure<br>checking build system type... i686-pc-linux-gnu<br>checking host system type... i686-pc-linux-gnu<br>checking for a BSD-compatible install... /usr/bin/install -c<br>
checking whether build environment is sane... yes<br>checking for a thread-safe mkdir -p... /bin/mkdir -p<br>checking for gawk... gawk<br>checking whether make sets $(MAKE)... yes<br>checking how to create a ustar tar archive... gnutar<br>
checking for cc... cc<br>checking for C compiler default output file name... a.out<br>checking whether the C compiler works... yes<br>checking whether we are cross compiling... no<br>checking for suffix of executables... <br>
checking for suffix of object files... o<br>checking whether we are using the GNU C compiler... yes<br>checking whether cc accepts -g... yes<br>checking for cc option to accept ISO C89... none needed<br>checking for style of include used by make... GNU<br>
checking dependency style of cc... gcc3<br>checking dependency style of cc... gcc3<br>checking how to run the C preprocessor... cc -E<br>checking for grep that handles long lines and -e... /bin/grep<br>checking for egrep... /bin/grep -E<br>
checking whether ln -s works... yes<br>checking whether cc accepts -O3... yes<br>checking whether cc accepts -msse2... yes<br>checking whether cc accepts -funroll-all-loops... yes<br>checking whether cc accepts -std=gnu99... yes<br>
checking whether cc accepts -fexcess-precision=fast... no<br>checking whether cc accepts -O3 -fomit-frame-pointer -finline-functions -Wall -Wno-unused -msse2 -funroll-all-loops -std=gnu99... yes<br>checking for ANSI C header files... yes<br>
checking for sys/types.h... yes<br>checking for sys/stat.h... yes<br>checking for stdlib.h... yes<br>checking for string.h... yes<br>checking for memory.h... yes<br>checking for strings.h... yes<br>checking for inttypes.h... yes<br>
checking for stdint.h... yes<br>checking for unistd.h... yes<br>checking for unistd.h... (cached) yes<br>checking sys/time.h usability... yes<br>checking sys/time.h presence... yes<br>checking for sys/time.h... yes<br>checking sched.h usability... yes<br>
checking sched.h presence... yes<br>checking for sched.h... yes<br>checking for sysconf... yes<br>checking for the pthreads library -lpthreads... no<br>checking whether pthreads work without any flags... no<br>checking whether pthreads work with -Kthread... no<br>
checking whether pthreads work with -kthread... no<br>checking for the pthreads library -llthread... no<br>checking whether pthreads work with -pthread... yes<br>checking for joinable pthread attribute... PTHREAD_CREATE_JOINABLE<br>
checking if more special flags are required for pthreads... no<br>checking for cc_r... cc<br>checking if atomic operations are supported... yes<br>checking whether byte ordering is bigendian... no<br>checking that size_t can hold pointers... yes<br>
checking for SIGUSR1... yes<br>checking for pipes... yes<br>checking floating-point format... IEEE754 (little-endian byte and word order)<br>checking whether ln -s works... yes<br>checking whether make sets $(MAKE)... (cached) yes<br>
checking for a sed that does not truncate output... /bin/sed<br>checking for ld used by cc ... /usr/bin/ld<br>checking if the linker (/usr/bin/ld) is GNU ld... yes<br>checking for /usr/bin/ld option to reload object files... -r<br>
checking for BSD-compatible nm... /usr/bin/nm -B<br>checking how to recognise dependent libraries... pass_all<br>checking dlfcn.h usability... yes<br>checking dlfcn.h presence... yes<br>checking for dlfcn.h... yes<br>checking for g++... no<br>
checking for c++... no<br>checking for gpp... no<br>checking for aCC... no<br>checking for CC... no<br>checking for cxx... no<br>checking for cc++... no<br>checking for cl.exe... no<br>checking for FCC... no<br>checking for KCC... no<br>
checking for RCC... no<br>checking for xlC_r... no<br>checking for xlC... no<br>checking whether we are using the GNU C++ compiler... no<br>checking whether g++ accepts -g... no<br>checking dependency style of g++... none<br>
checking the maximum length of command line arguments... 32768<br>checking command to parse /usr/bin/nm -B output from cc object... failed<br>checking for objdir... .libs<br>checking for ar... ar<br>checking for ranlib... ranlib<br>
checking for strip... strip<br>checking if cc supports -fno-rtti -fno-exceptions... no<br>checking for cc option to produce PIC... -fPIC<br>checking if cc PIC flag -fPIC works... yes<br>checking if cc static flag -static works... yes<br>
checking if cc supports -c -o file.o... yes<br>checking whether the cc linker (/usr/bin/ld) supports shared libraries... yes<br>checking dynamic linker characteristics... GNU/Linux ld.so<br>checking how to hardcode library paths into programs... immediate<br>
checking whether stripping libraries is possible... yes<br>checking for shl_load... no<br>checking for shl_load in -ldld... no<br>checking for dlopen... no<br>checking for dlopen in -ldl... yes<br>checking whether a program can dlopen itself... yes<br>
checking whether a statically linked program can dlopen itself... no<br>checking if libtool supports shared libraries... yes<br>checking whether to build shared libraries... no<br>checking whether to build static libraries... yes<br>
configure: creating libtool<br>appending configuration tag "CXX" to libtool<br>appending configuration tag "F77" to libtool<br>checking for special C compiler options needed for large files... no<br>checking for _FILE_OFFSET_BITS value needed for large files... 64<br>
checking for _LARGEFILE_SOURCE value needed for large files... no<br>checking for sqrt in -lm... yes<br>checking for fftw3.h... configure: error: Cannot find the default external FFT library (fftw3).<br>Other alternatives are 'fftw2', or 'mkl' for Intel MKL.<br>
You are STRONGLY recommended to use one of these - fftw is free.<br><br>Use CPPFLAGS and LDFLAGS if the library is installed in a<br>non-standard location. (see FAQ at <a href="http://www.gromacs.org">http://www.gromacs.org</a>)<br>
<br>If you dont care about performance you can also specify 'fftpack'<br>to use a slower set of FFTs built into Gromacs.<br>(Just install FFTW3 unless you really know what you are doing).<br><br>sergio@sergio-laptop:~/Desktop/gromacs-4.5.3$ make<br>
make: *** No targets specified and no makefile found. Stop.<br><br><br>