1 #######################################################################
2 # Process this file wth autoconf to produce a configure script.
3 #######################################################################
6 AC_INIT(gromacs, 4.0.99_development_20090927, [gmx-users@gromacs.org])
7 AC_CONFIG_SRCDIR(src/gmxlib/3dview.c)
8 AC_CONFIG_AUX_DIR(config)
11 AM_INIT_AUTOMAKE(tar-ustar)
12 AC_PREFIX_DEFAULT(/usr/local/gromacs)
14 AM_CONFIG_HEADER(src/config.h)
15 dnl This is the version info according to the libtool versioning system.
16 dnl It does *not* correspond to the release number.
17 SHARED_VERSION_INFO="5:0:0"
18 AC_SUBST(SHARED_VERSION_INFO)
23 #######################################################################
24 # Simple options and makefile variables
25 #######################################################################
27 # This is currently not defined by CMake, because it's tricky to generate
28 # version.h portably (the autoconf rules for it are in src/gmxlib/Makefile.am).
29 AC_DEFINE(USE_VERSION_H,,[Use the version string from generated version.h])
33 [AC_HELP_STRING([--disable-float],
34 [Use double instead of single precision])],, enable_float=yes)
37 [AC_HELP_STRING([--enable-double],
38 [Same effect as --disable-float])],, enable_double=no)
39 if test "$enable_double" = "yes"; then
42 if test "$enable_float" = "no"; then
43 AC_DEFINE(GMX_DOUBLE,,[Compile in double precision])
45 AM_CONDITIONAL([GMX_DOUBLE],[test "$enable_float" = "no"])
50 AC_ARG_ENABLE(fortran,
51 [AC_HELP_STRING([--enable-fortran],
52 [Use Fortran kernels])],,
53 [case "${host_cpu}-${host_os}" in
54 sparc*-solaris* | alpha*-* | rs6000*-aix* | powerpc*-aix* | mips*-irix*) enable_fortran=yes ;;
55 *) enable_fortran=no ;;
57 if test "$enable_fortran" = "yes"; then
58 AC_DEFINE(GMX_FORTRAN,,[Enable Fortran support])
60 # Generic fortran kernels will be turned off below if you enable power6-specific optimization!
61 # always use CC for linking:
62 AC_SUBST(F77LINK,"\$(LINK)")
70 [AC_HELP_STRING([--enable-mpi],
71 [Compile for parallel runs using MPI]
72 [(instead of threads)])],,enable_mpi=no)
76 AC_ARG_ENABLE(mpi-environment,
77 [AC_HELP_STRING([--enable-mpi-environment=VAR],
78 [Only start parallel runs when VAR is set])],,
79 [case "${host_cpu}" in
80 mips*-irix*) enable_mpi_environment="MPI_ENVIRONMENT" ;;
81 *) enable_mpi_environment=no ;;
83 if test "$enable_mpi_environment" != "no"; then
84 AC_DEFINE_UNQUOTED(GMX_CHECK_MPI_ENV,"$enable_mpi_environment",[If defined, only start MPI runs when this variable is set])
88 AC_ARG_ENABLE(mpi-in-place,
89 [AC_HELP_STRING([--disable-mpi-in-place],
90 [Disable MPI_IN_PLACE. For MPI implementations]
91 [that have broken support for it ]
92 [(some versions of MPICH, for example).])],, enable_mpi_in_place=yes)
97 [AC_HELP_STRING([--enable-debug],
98 [Add -g to other command line arguments])],,enable_debug=no)
100 ### IA32 assembly code
101 AC_ARG_ENABLE(ia32_sse,
102 [AC_HELP_STRING([--disable-ia32-sse],
103 [Don't build SSE/SSE2 assembly loops on ia32])],,enable_ia32_sse=yes)
105 case "${host_cpu}-${host_vendor}" in
107 *) enable_ia32_sse=no ;;
110 ### AMD64 assembly code
111 AC_ARG_ENABLE(x86_64_sse,
112 [AC_HELP_STRING([--disable-x86-64-sse],
113 [Don't build SSE assembly loops on X86_64])],,enable_x86_64_sse=yes)
114 case "${host_cpu}-${host_vendor}" in
115 x86_64-* | amd64-*) ;;
117 *) enable_x86_64_sse=no ;;
121 ### Altivec on powerpc (motorola)
122 AC_ARG_ENABLE(ppc_altivec,
123 [AC_HELP_STRING([--disable-ppc-altivec],
124 [Don't build Altivec loops on PowerPC])],,enable_ppc_altivec=undef)
125 # Power3/4/5 running AIX does not support altivec. We identify this with vendor=IBM.
126 # IBM powerpc 970 boxes run linux, and have vendor=unknown.
127 if test "$enable_ppc_altivec" = "undef"; then
128 case "${host_cpu}-${host_vendor}" in
129 ppc*-ibm* | powerpc*-ibm*) enable_ppc_altivec=no ;;
130 ppc*-* | powerpc*-*) enable_ppc_altivec=yes ;;
131 *) enable_ppc_altivec=no ;;
137 ### ia64 assembly code
138 AC_ARG_ENABLE(ia64_asm,
139 [AC_HELP_STRING([--disable-ia64-asm],
140 [Don't build assembly loops on ia64])],,enable_ia64_asm=yes)
141 case "${host_cpu}" in
143 *) enable_ia64_asm=no ;;
147 # IBM Power6-specific optimization
148 AC_ARG_ENABLE(power6,
149 [AC_HELP_STRING([--enable-power6],
150 [Use IBM Pwr6/PPC440/PPC450-specific F77 kernels])],,enable_power6=no)
151 # Turn off generic fortran loops if we are using power6-specific optimization
152 if test "$enable_power6" = "yes"; then
156 AC_ARG_ENABLE(bluegene,
157 [AC_HELP_STRING([--enable-bluegene],
158 [Build assembly intrinsics kernels on bluegene])],,enable_bluegene=no)
161 ### Optimize for host cpu version
162 AC_ARG_ENABLE(cpu-optimization,
163 [AC_HELP_STRING([--disable-cpu-optimization],
164 [No detection or tuning flags for cpu version])],, enable_cpu_optimization=yes)
167 ### Do software 1/sqrt(x)
168 AC_ARG_ENABLE(software-invsqrt,
169 [AC_HELP_STRING([--disable-software-invsqrt],
170 [No software 1/sqrt (disabled on sgi,ibm,ia64)])],,
171 [case "${host_cpu}-${host_os}" in
172 mips*-irix* | rs6000*-aix* | powerpc*-aix | ia64*-*) enable_software_invsqrt=no ;;
173 *) enable_software_invsqrt=yes ;;
175 if test "$enable_software_invsqrt" = "yes"; then
176 AC_DEFINE(GMX_SOFTWARE_INVSQRT,,[Use the GROMACS software 1/sqrt(x)])
178 AM_CONDITIONAL([GMX_SOFTWARE_INVSQRT],[test "$enable_software_invsqrt" = "yes"])
180 AC_ARG_ENABLE(fahcore,
181 [AC_HELP_STRING([--enable-fahcore],
182 [Create a library with mdrun functionality])],, enable_fahcore=no)
186 # The four options below used to improve code scheduling, but the newest CPUs can usually rearrange
187 # instructions dynamically at runtime, so they might not make much difference now:
190 AC_ARG_ENABLE(all-static,
191 [AC_HELP_STRING([--enable-all-static],
192 [Make completely static binaries])],, enable_all_static=no)
193 # Dont add the -all-static flag until after the compiler test.
196 # FFT libraries - only use one...
198 [AC_HELP_STRING([--with-fft=@<:@fftw3/fftw2/mkl(>=6.0)/fftpack@:>@],
199 [FFT library to use. fftw3 is default, fftpack built in.])],,
202 AC_ARG_ENABLE(fftw-measure,
203 [AC_HELP_STRING([--disable-fftw-measure],
204 [Dont optimize FFTs. This produces binary exactly]
205 [reproducible runs (as the -reprod flag to mdrun),]
206 [and if you are using FFTW on x86 and specified its]
207 [--enable-sse/sse2 flag (NOT default in FFTW!) the]
208 [kernels used are close-to-optimal anyway.])],,
209 enable_fftw_measure=yes)
212 AC_ARG_ENABLE(threads,
213 [AC_HELP_STRING([--disable-threads],
214 [Disable parallel runs using threads])],,enable_threads=yes)
217 ### Use external BLAS/LAPACK libraries if the user wants to.
219 AC_ARG_WITH(external_blas,
220 [AC_HELP_STRING([--with-external-blas],
221 [Use system BLAS library (add to LIBS). Automatic on OS X.])],,
223 # default action - check if we are on OS X
224 case "${host_vendor}-${host_os}" in
225 apple-darwin*) with_external_blas="yes" ; extra_LDFLAGS="-framework Accelerate" ;;
226 *) with_external_blas="no" ;;
229 AM_CONDITIONAL([GMX_EXTERNAL_BLAS], [test "$with_external_blas" = "yes"])
232 AC_ARG_WITH(external_lapack,
233 [AC_HELP_STRING([--with-external-lapack],
234 [Use system LAPACK library (add to LIBS). Automatic on OS X.])],,
236 # default action - check if we are on OS X
237 case "${host_vendor}-${host_os}" in
238 apple-darwin*) with_external_lapack="yes" ; extra_LDFLAGS="-framework Accelerate" ;;
239 *) with_external_lapack="no" ;;
242 AM_CONDITIONAL([GMX_EXTERNAL_LAPACK], [test "$with_external_lapack" = "yes"])
247 AC_ARG_WITH(qmmm_gaussian,
248 [AC_HELP_STRING([--without-qmmm-gaussian],
249 [Use modified Gaussian0x for QM-MM (see website)])],,with_qmmm_gaussian=yes)
250 if test "$with_qmmm_gaussian" = "yes"; then
251 AC_DEFINE(GMX_QMMM_GAUSSIAN,,[Use (modified) Gaussian0x for QM-MM calculations])
255 AC_ARG_WITH(qmmm_gamess,
256 [AC_HELP_STRING([--without-qmmm-gamess],
257 [Use modified Gamess-UK for QM-MM (see website)])],,with_qmmm_gamess=no)
258 if test "$with_qmmm_gamess" = "yes"; then
259 AC_DEFINE(GMX_QMMM_GAMESS,,[Use (modified) Gamess-UK for QM-MM calculations])
263 AC_ARG_WITH(qmmm_mopac,
264 [AC_HELP_STRING([--without-qmmm-mopac],
265 [Use modified Mopac 7 for QM-MM (see website)])],,with_qmmm_mopac=no)
266 if test "$with_qmmm_mopac" = "yes"; then
267 AC_DEFINE(GMX_QMMM_MOPAC,,[Use (modified) Mopac 7 for QM-MM calculations])
271 [AC_HELP_STRING([--without-dlopen],
272 [do not compile with dlopen, needed to read VMD]
273 [supported file formats])],,with_dlopen=yes)
279 ############################################################
280 # Add some debug info: Who is building, and on what machine?
281 ############################################################
282 AC_DEFINE_UNQUOTED([BUILD_TIME],["`date`"],[Date and time for build])
283 AC_DEFINE_UNQUOTED([BUILD_USER],["`whoami`@`hostname`"],[User doing build])
284 AC_DEFINE_UNQUOTED([BUILD_MACHINE],["`uname -srm`"],[Hardware and OS version for build host])
288 ############################################################
289 # Checks for programs
290 ############################################################
292 # normally we use the default compiler, but on alpha/linux we try the compaq ones first
293 case "${host_cpu}-${host_os}" in
295 cc_names="ccc cc gcc"
296 f77_names="fort f77 g77"
299 cc_names="cc icc xlc gcc"
300 f77_names="f77 ifort xlf xlf77 cf77 fl32 g77 fort77 f90 xlf90 pgf77 cf77 fort fort77 pgf90"
303 # the (non-mpi) c compiler, which is also used for programs executed during build stage
304 AC_PROG_CC( $cc_names )
305 # Check for environment variable CC_FOR_BUILD before overwriting it
306 if test -z "$CC_FOR_BUILD"; then
309 AC_SUBST(CC_FOR_BUILD)
311 if test "$enable_fortran" = "yes"; then
312 AC_PROG_F77( $f77_names )
313 if test -z "$F77"; then
314 AC_MSG_ERROR([No fortran compiler found])
320 # if we are using mpi, also get an MPICC. We cannot set that in the PROG_CC macro
321 # above, since autoconf checks that the created file can be executed. This would
322 # fail on platforms where MPI executables can only be run through a batchqueue.
324 if test "$enable_mpi" = "yes"; then
326 AC_CHECK_PROGS(MPICC, mpxlc mpicc mpcc hcc, $CC)
327 # now change the normal cc to the MPI one - see the comment above.
330 AC_MSG_CHECKING([whether the MPI cc command works]) # be paranoid
331 AC_TRY_LINK([#include <mpi.h>],[int argc; char **argv; MPI_Init(&argc,&argv);],
332 AC_MSG_RESULT([yes]),AC_MSG_ERROR([Cannot compile and link MPI code with $CC]))
333 AC_DEFINE(GMX_MPI,,[Make a parallel version of GROMACS using MPI])
334 AC_DEFINE(GMX_LIB_MPI,,[Use a real MPI library])
336 if test "$enable_mpi_in_place" = "yes"; then
337 # not all MPIs support MPI_IN_PLACE:
338 AC_MSG_CHECKING([for MPI_IN_PLACE in collective operations])
344 MPI_Allreduce(MPI_IN_PLACE, buf, 10, MPI_FLOAT, MPI_SUM, MPI_COMM_WORLD);
348 AC_DEFINE(MPI_IN_PLACE_EXISTS,[],[MPI_IN_PLACE available for collective operations])
354 # on the cray xt3 we have to tell autoconf that we
355 # are actually cross-compiling even if the architecture
356 # of host and target are the same. so we enforce
357 # cross-compilation if __QK_USER__ is defined
358 AC_MSG_CHECKING([for catamount])
360 #if defined __QK_USER__
367 AC_DEFINE(GMX_CRAY_XT3,[],[Enable special hacks for Cray XT3])
368 AC_DEFINE(GMX_NO_SYSTEM,[],[Ignore calls to system(3)])
369 AC_DEFINE(GMX_NO_NICE,[],[Ignore calls to nice(3)])
370 AC_DEFINE(GMX_BROKEN_CALLOC,[],[Don't use calloc(3)])
371 extra_LDFLAGS="$extra_LDFLAGS -lgmalloc -lacml"
375 # end of "$enable_mpi" = "yes"
379 AH_TEMPLATE([F77_OR_C_FUNC],
380 [Set to F77_FUNC(name,NAME) if Fortran used, otherwise 'name' for C.])
381 AH_TEMPLATE([F77_OR_C_FUNC_],
382 [Set to F77_FUNC_(name,NAME) if Fortran used, otherwise 'name' for C.])
386 if test "$enable_fortran" = "yes"; then
387 AC_F77_LIBRARY_LDFLAGS
389 AC_DEFINE([F77_OR_C_FUNC(name,NAME)],[F77_FUNC(name,NAME)])
390 AC_DEFINE([F77_OR_C_FUNC_(name,NAME)],[F77_FUNC_(name,NAME)])
392 AC_DEFINE([F77_OR_C_FUNC(name,NAME)],[name])
393 AC_DEFINE([F77_OR_C_FUNC_(name,NAME)],[name])
399 # Needed by libtool scripts?
402 if test "$enable_cpu_optimization" = "yes"; then
410 # We've postponed the threads check because we need to check with the right
412 if test "$enable_threads" = "yes"; then
413 if test "$enable_mpi" = "yes"; then
414 AC_MSG_ERROR([Cannot use both threads and MPI - yet.])
416 if test "$with_fft" = "fftw2"; then
417 AC_MSG_ERROR([fftw2 can't be used with threads. Use fftw3 or mkl.])
419 # for now we just assume pthreads
420 ACX_PTHREAD(,AC_MSG_ERROR([Cannot find POSIX threads - required for thread support using configure!]))
421 LIBS="$PTHREAD_LIBS $LIBS"
422 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
423 CXXFLAGS="$CXXFLAGS $PTHREAD_CFLAGS"
425 AC_DEFINE(THREAD_PTHREADS,,[Use pthreads for thread_mpi multithreading])
426 AC_DEFINE(GMX_THREADS,,[Use threads for parallelization])
427 AC_DEFINE(GMX_MPI,,[Make a parallel version of GROMACS using MPI])
428 AM_CONDITIONAL(THREAD_PARALLEL,true)
430 AM_CONDITIONAL(THREAD_PARALLEL,false)
436 # Check integer endian
438 AC_C_BIGENDIAN([AC_DEFINE([GMX_INTEGER_BIG_ENDIAN],,[Integer byte order is big endian.])],[],[
439 AC_MSG_ERROR([Cannot determine endian in compiled output])])
440 # Little endian implied if GMX_INTEGER_BIG_ENDIAN not defined in source.
443 # Make sure size_t can hold pointers.
444 # On some Nec machines, you reportedly need to specify a flag for size_t to be 64 bits wide.
446 AC_MSG_CHECKING([that size_t can hold pointers])
450 ],[int chk[sizeof(size_t)-sizeof(int *)+1];],AC_MSG_RESULT([yes]),[
451 AC_MSG_ERROR([size_t is smaller than int*. Check if your compiler needs a flag to make it 64 bit.])])
455 # Check that SIGUSR1 is defined
457 AC_MSG_CHECKING([for SIGUSR1])
458 AC_TRY_COMPILE([#include <signal.h>],[int i=SIGUSR1;],[
460 AC_DEFINE(HAVE_SIGUSR1,,[SIGUSR1 supported and defined])
461 ],AC_MSG_RESULT([no]))
464 # Check if pipes are supported
466 AC_MSG_CHECKING([for pipes])
467 AC_TRY_COMPILE([#include <stdio.h>],[
468 FILE *pipe=popen("/tmp/pipe","r");
471 AC_DEFINE(HAVE_PIPES,,[Pipes (popen/pclose) supported])
472 ],AC_MSG_RESULT([no]))
477 # Check floating-point format and endian
489 # Use our own version of AC_FUNC_FSEEKO from autoconf 2.63 instead
490 # of the broken one we might get from autoconf 2.61.
491 ACX_FUNC_FSEEKO_FIXED
496 ############################################################################
497 # Checks for libraries.
498 ############################################################################
500 # Don't add math library for intel compilers
501 if $CC -V 2>&1 | grep 'Intel Corporation' > /dev/null 2>&1; then
502 AC_MSG_NOTICE([Using built-in math library with intel compiler])
504 AC_CHECK_LIB(m,sqrt,,AC_MSG_ERROR([No math library found]))
508 # Disable MASS support for now.
514 if test "$enable_float" = "yes"; then
519 ACX_CHECK_FFTW2(fftw,$sizeof_real)
520 ACX_CHECK_FFTW2(rfftw,$sizeof_real)
522 case ${ac_fftw_savedprefix} in
523 d) AC_DEFINE(FFTW2_NAME_DFFTW,,[Use the d prefix on fftw2 includes]) ;;
524 s) AC_DEFINE(FFTW2_NAME_SFFTW,,[Use the s prefix on fftw2 includes]) ;;
525 *) AC_DEFINE(FFTW2_NAME_FFTW,,[Dont use any prefix on fftw2 includes]) ;;
528 AC_DEFINE(GMX_FFT_FFTW2,,[Use FFTW2 FFT library])
530 ;; # end of fftw2 check
532 fftw3) # Much simpler check than fftw2
533 # Check for header <fftw3.h> AC_CHECK_HEADERS doesnt work, since we must
534 # use mpicc to get includes - cpp isnt always the same compiler.
535 AC_MSG_CHECKING([for fftw3.h])
536 AC_TRY_COMPILE([#include<fftw3.h>],,[
537 # ok, look for library file too
539 if test "$enable_float" = "yes"; then
540 AC_CHECK_LIB([fftw3f],main,,AC_MSG_ERROR([Cannot find fftw3f library]))
542 AC_CHECK_LIB([fftw3],main,,AC_MSG_ERROR([Cannot find fftw3 library]))
544 AC_DEFINE(GMX_FFT_FFTW3,,[Use FFTW3 FFT library])
546 # not ok, echo a warning
548 [Cannot find the default external FFT library (fftw3).
549 Other alternatives are 'fftw2', or 'mkl' for Intel MKL.
550 You are STRONGLY recommended to use one of these - fftw is free.
552 Use CPPFLAGS and LDFLAGS if the library is installed in a
553 non-standard location. (see FAQ at http://www.gromacs.org)
555 If you dont care about performance you can also specify 'fftpack'
556 to use a slower set of FFTs built into Gromacs.
557 (Just install FFTW3 unless you really know what you are doing).
564 # Intel Math Kernel Library version 6 and later.
566 AC_MSG_CHECKING([for mkl_dfti.h])
567 AC_TRY_COMPILE([#include<mkl_dfti.h>],,AC_MSG_RESULT(yes),AC_MSG_ERROR([Cannot find mkl_dfti.h header from Intel Math Kernel Library>=6.0.]\
570 # AC_CHECK_LIB([guide],main,,AC_MSG_ERROR([Cannot find libguide (Intel MKL)]))
571 # AC_CHECK_LIB([mkl],DftiComputeForward,,
572 # AC_MSG_ERROR([Cannot find Intel Math Kernel Library >= 6.0]))
573 # first check for older MKLs
574 AC_CHECK_LIB([mkl],DftiComputeForward,,[have_mkl="no"])
575 if test "$have_mkl" == "no"; then
576 # we assume it's a new MKL
577 LIBS="$LIBS -liomp5 -lmkl_sequential -lmkl_core"
578 AC_CHECK_LIB([mkl_intel_lp64],DftiComputeForward,,[have_mkl10_64="no"])
579 if test "$have_mkl10_64" == "no"; then
580 AC_CHECK_LIB([mkl_intel],DftiComputeForward,,[have_mkl10_32="no"])
581 if test "$have_mkl10_32" == "no"; then
582 AC_MSG_ERROR([Cannot find Intel Math Kernel Library >= 6.0])
586 AC_DEFINE(GMX_FFT_MKL,,[Use Intel MKL FFT library])
590 AC_MSG_WARN([The built-in FFTPACK routines are slow.
591 Are you sure you don't want to use FFTW? It is free and much faster...])
592 AC_DEFINE(GMX_FFT_FFTPACK,,[Use Built-in FFTPACK FFT library])
595 AC_MSG_ERROR([Unknown FFT library])
600 if test "$enable_fftw_measure" != "yes"; then
601 AC_DEFINE(GMX_DISABLE_FFTW_MEASURE,,[Do not optimize FFTW setups (not needed with SSE FFT kernels)])
605 # check for xtc headers
607 cygwin* | mingw*) # use our own xdr stuff for cygwin/mingw
610 AC_CHECK_HEADERS([rpc/rpc.h])
611 AC_CHECK_HEADERS([rpc/xdr.h],,,
613 # include <rpc/rpc.h>
616 AC_CHECK_LIB(nsl,xdr_float)
621 #error NO rpc.h header
626 #error No xdr.h header
628 ],[ XDR *xd; float f; xdr_float(xd,&f);],[have_xdr="yes"])
630 if test "$have_xdr" != "yes"; then
631 AC_DEFINE(GMX_INTERNAL_XDR,,[Use our own instead of system XDR libraries])
632 AC_MSG_WARN([Couldn't find XDR headers and/or libraries - using our own])
638 ########################################################################
639 # Checks for header files and types
640 ########################################################################
642 AC_CHECK_HEADERS([limits.h unistd.h],,AC_MSG_ERROR([Include headers not found]))
643 AC_CHECK_HEADERS(unistd.h)
644 AC_CHECK_HEADERS(sys/types.h)
645 AC_CHECK_HEADERS(sys/time.h)
646 AC_CHECK_HEADERS(dirent.h)
647 AC_CHECK_HEADERS(regex.h,,[AC_MSG_WARN(
649 Regular expression matching in selections will be disabled.
650 Selections still work, but the default groups can differ from
651 those obtained with regular expressions enabled.
652 Consider installing the regular expression library from GNU libc.])])
655 # Checks for additional and/or optional functions or libraries.
662 AC_CHECK_FUNCS(strcasecmp)
663 AC_CHECK_FUNCS(strdup)
664 AC_CHECK_FUNCS(gettimeofday)
665 AC_CHECK_FUNCS(isnan)
666 AC_CHECK_FUNCS(_isnan)
667 AC_CHECK_FUNCS(isfinite)
668 AC_CHECK_FUNCS(_isfinite)
670 # check for bool (must come late, since CFLAGS/includes might affect it)
671 AC_CHECK_TYPES([bool])
678 # Check integer sizes, set to zero if e.g. long long is not supported.
679 # (Note: this must come *after* type checks for the corresponding types!)
682 AC_CHECK_SIZEOF(long int)
683 AC_CHECK_SIZEOF(long long int)
684 AC_CHECK_SIZEOF(off_t)
685 AC_CHECK_SIZEOF(void*)
689 # Apple OS X is a bit strange/braindead in that it always reports itself as i386, both for
690 # 32 and 64 bit builds (even with the 64 bit kernel!).
692 # To get the SSE support right we check for the size of void * that we detected above...
693 case "${host_vendor}-${host_os}" in
695 if test $ac_cv_sizeof_voidp = 8; then
698 enable_x86_64_sse=no;
710 if test "$no_x" != "yes"; then
711 LIBS="$X_LIBS $LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS"
712 INCLUDES="$INCLUDES $X_CFLAGS"
713 AM_CONDITIONAL(USE_X11,true)
715 AM_CONDITIONAL(USE_X11,false)
718 # GNU Scientific Library or not
720 [AC_HELP_STRING([--with-gsl],[Link to the GNU scientific library, ]
721 [enables extra functions in analysis])],,with_gsl=no)
724 if test "$with_gsl" = "yes"; then
725 ac_save_LDFLAGS="$LDFLAGS"
726 AC_CHECK_HEADERS([gsl/gsl_version.h],[
727 # header found, check for libraries
728 AC_CHECK_LIB(gslcblas,main,[
729 LDFLAGS="$ac_save_LDFLAGS -lgslcblas"
730 # gslcblas library found, check main lib
731 AC_CHECK_LIB(gsl,main)])])
737 [AC_HELP_STRING([--without-xml],[do not link to the xml2 library,]
738 [disallows the use of certain file formats])],,with_xml=yes)
741 # Check for libxml2, but it is optional, so dont stop
743 if test "$with_xml" = "yes"; then
744 ac_save_CPPFLAGS="$CPPFLAGS"
745 CPPFLAGS="$ac_save_CPPFLAGS -I/usr/include/libxml2"
746 AC_CHECK_HEADERS([libxml/parser.h],AC_CHECK_LIB(xml2,main))
747 if test "$ac_cv_lib_xml2_main" = "yes"; then
748 INCLUDES="$INCLUDES -I/usr/include/libxml2"
751 CPPFLAGS="$ac_save_CPPFLAGS"
755 # And collect the f77 libs to the linker - on Solaris, f77 stuff must go first,
756 # and we need -L/usr/ucblib to find libucb... (stupid OS)
757 # On e.g. ibm the mass libraries must come before -lm...
758 case "${host_cpu}-${host_os}" in
761 LDFLAGS="$LDFLAGS -L/usr/ucblib"
763 *) LIBS="$LIBS $FLIBS" ;;
767 # add the Accelerate framework if enabled above.
768 # LDFLAGS might have been set in the CPU optimization, so we cant assign it directly before that.
769 LDFLAGS="$LDFLAGS $extra_LDFLAGS"
777 # Checks for typedefs, structures, and compiler characteristics.
783 # AC_TYPE_UID_T is broken on Mac OS X, so use generic tests instead
784 AC_CHECK_TYPES([uid_t],[],[AC_DEFINE(uid_t, int, [Define to `int' if <sys/types.h> doesn't define.])],[[#include <sys/types.h>]])
785 AC_CHECK_TYPES([gid_t],[],[AC_DEFINE(gid_t, int, [Define to `int' if <sys/types.h> doesn't define.])],[[#include <sys/types.h>]])
789 # Test stuff for ia32 and x86_64 assembly, and add objects/libraries.
790 if test "$enable_ia32_sse" = "yes" -o "$enable_x86_64_sse" = "yes"; then
791 AC_MSG_CHECKING([whether your compiler can handle assembly files (*.s)])
793 # Use 64-bit registers (rsp/rbp) on x86_64
795 if test "$enable_x86_64_sse" = "yes"; then
796 cat > conftestasm.s << EOF
802 cat > conftestasm.s << EOF
808 if AC_TRY_COMMAND($CC $CFLAGS -c conftestasm.s); then
809 if test -f conftestasm.o; then
813 AC_MSG_ERROR([Upgrade your compiler (or disable assembly loops).])
817 AC_MSG_ERROR([Upgrade your compiler (or disable assembly loops).])
820 # ok, cc understands assembly.
822 # If we are using double precision we need SSE2
823 if test "$enable_float" = "no"; then
825 if test "$enable_ia32_sse" = "yes"; then
826 AC_MSG_CHECKING([whether as fully supports ia32 SSE2])
827 cat > conftest.s << EOF
830 movapd 32(%esi,%edx,8),%xmm4
834 if AC_TRY_COMMAND($CC $CFLAGS -c conftest.s); then
838 AC_MSG_ERROR([Upgrade to a more recent binutils (or disable assembly loops).])
840 AC_DEFINE([GMX_IA32_SSE2],,[Double-precision SSE2 instructions on ia32])
842 # test SSE2 on X86_64:
843 if test "$enable_x86_64_sse" = "yes"; then
844 AC_MSG_CHECKING([whether as fully supports X86_64 SSE2])
845 cat > conftest.s << EOF
848 movapd 32(%rsi,%rdx,8),%xmm4
852 if AC_TRY_COMMAND($CC $CFLAGS -c conftest.s); then
856 AC_MSG_ERROR([Upgrade to a more recent binutils (or disable assembly loops).])
858 AC_DEFINE([GMX_X86_64_SSE2],,[Double-precision SSE2 instructions on X86_64])
861 # end of double precision testing, now do single.
862 if test "$enable_ia32_sse" = "yes"; then
863 AC_MSG_CHECKING([whether as fully supports ia32 SSE])
864 cat > conftest.s << EOF
867 movaps 32(%esi,%edx,8),%xmm4
871 if AC_TRY_COMMAND($CC $CFLAGS -c conftest.s); then
875 AC_MSG_ERROR([Upgrade to a more recent binutils (or disable assembly loops).])
877 AC_DEFINE([GMX_IA32_SSE],,[Single-precision SSE instructions on ia32])
879 # test SSE2 on X86_64:
880 if test "$enable_x86_64_sse" = "yes"; then
881 AC_MSG_CHECKING([whether as fully supports X86_64 SSE instructions])
882 cat > conftest.s << EOF
885 movaps 32(%rsi,%rdx,8),%xmm4
889 if AC_TRY_COMMAND($CC $CFLAGS -c conftest.s); then
893 AC_MSG_ERROR([Upgrade to a more recent binutils (or disable assembly loops).])
895 AC_DEFINE([GMX_X86_64_SSE],,[Single-precision SSE instructions on X86_64])
901 # Test stuff for ia64 assembly
903 # Nothing to test right now.
909 # Test altivec support.
911 if test "$enable_ppc_altivec" = "yes"; then
912 if test "$enable_float" = "no"; then
913 AC_MSG_WARN([PowerPC Altivec loops can only be used in single precision - disabling])
914 enable_ppc_altivec=no
916 # On FSF (vanilla) GCC we must include altivec.h, and on apple we
917 # should NOT do it after using -faltivec. Go figure...
920 # do nothing on Apple systems
923 AC_CHECK_HEADERS([altivec.h])
927 AC_MSG_CHECKING([whether the compiler supports altivec extensions])
934 AC_DEFINE([GMX_PPC_ALTIVEC],,[Use PowerPC Altivec inner loops])],[
936 AC_MSG_WARN([no altivec support found - On recent PowerPC CPUs]
937 [you can get a huge performance gain by using an altivec-enabled compiler.]
938 [On OS X, you need GCC>=3.3, or the IBM compilers. If you are using standard]
939 [GCC, you need at least version 4.0])
940 enable_ppc_altivec=no])
944 if test "$enable_ia64_asm" = "yes"; then
945 AC_DEFINE(GMX_IA64_ASM,,[Use ia64 assembly tuned for Itanium2])
946 AC_DEFINE(DISABLE_WATER_NLIST,,[Turn off all water neighborlist optimization])
947 AC_DEFINE(DISABLE_WATERWATER_NLIST,,[Turn off water-water neighborlist optimization only])
950 if test "$enable_bluegene" = "yes"; then
951 AC_DEFINE(GMX_BLUEGENE,,[Use assembly intrinsics kernels for BlueGene])
955 # Add the appropriate assembly loops
957 AM_CONDITIONAL([GMX_IA32_SSE],[test "$enable_ia32_sse" = "yes" -a "$enable_float" = "yes"])
958 AM_CONDITIONAL([GMX_IA32_SSE2],[test "$enable_ia32_sse" = "yes" -a "$enable_float" = "no"])
959 AM_CONDITIONAL([GMX_X86_64_SSE],[test "$enable_x86_64_sse" = "yes" -a "$enable_float" = "yes"])
960 AM_CONDITIONAL([GMX_X86_64_SSE2],[test "$enable_x86_64_sse" = "yes" -a "$enable_float" = "no"])
961 AM_CONDITIONAL([GMX_FORTRAN],[test "$enable_fortran" = "yes"])
962 AM_CONDITIONAL([GMX_PPC_ALTIVEC],[test "$enable_ppc_altivec" = "yes" -a "$enable_float" = "yes"])
963 AM_CONDITIONAL([GMX_IA64_ASM],[test "$enable_ia64_asm" = "yes"])
964 AM_CONDITIONAL([GMX_BLUEGENE],[test "$enable_bluegene" = "yes"])
965 AM_CONDITIONAL([GMX_POWER6],[test "$enable_power6" = "yes"])
969 # Check integer endian
971 AC_C_BIGENDIAN([AC_DEFINE([GMX_INTEGER_BIG_ENDIAN],,[Integer byte order is big endian.])],[],[
972 AC_MSG_ERROR([Cannot determine endian in compiled output])])
973 # Little endian implied if GMX_INTEGER_BIG_ENDIAN not defined in source.
977 case "${host_cpu}" in
979 # Check if inline assembly works
980 AC_MSG_CHECKING(if the compiler supports gcc inline assembly)
981 AC_TRY_LINK([],[float f;int i; asm("fld %1\nfistpl %0\n" : "=m" (*&i) : "f" (f));],[AC_MSG_RESULT(yes)
982 AC_DEFINE(GMX_X86_GCC_INLINE_ASM,,[Enable x86 gcc inline assembly])],[AC_MSG_RESULT(no)])
983 # Check for MSVC inline assembly
984 AC_MSG_CHECKING(if the compiler supports MSVC inline assembly)
985 AC_TRY_LINK([],[float f;int i; _asm { fld f } ; _asm { fistpl i };],[AC_MSG_RESULT(yes)
986 AC_DEFINE(GMX_X86_MSVC_INLINE_ASM,,[Enable x86 MSVC inline assembly])],[AC_MSG_RESULT(no)])
995 if test "$with_dlopen" = "yes"; then
996 AC_MSG_CHECKING(if dlopen supported)
998 CFLAGS="-I$srcdir/include -DGMX_DLOPEN $CFLAGS"
999 AC_TRY_LINK([#include "$srcdir/src/gmxlib/vmddlopen.c"],,[AC_MSG_RESULT([yes])\
1000 AC_DEFINE(GMX_DLOPEN,,[Compile with dlopen])],AC_MSG_RESULT([no]))
1007 ########################################################################
1008 # Final output stage
1009 ########################################################################
1013 AC_SUBST(INCLUDES) # should be automatic, but doesnt seem to be?
1015 # To tell libraries apart, we use four versions of the name. For instance, libgmx:
1016 # libgmx single prec, no mpi.
1017 # libgmx_d double prec, no mpi.
1018 # libgmx_mpi single prec, mpi.
1019 # libgmx_mpi_d double prec, mpi.
1020 # However, the non-suffixed names are linked to the _mpi and/or _d suffixed
1021 # ones upon installation if that is the only version available.
1023 if test "$enable_mpi" = "yes"; then
1026 if test "$enable_float" = "no"; then
1027 LIBSUFFIX="${LIBSUFFIX}_d"
1031 # Unless the user has explicitly requested a prefix/suffix/transform, we
1032 # use _d on double precision files. Don't add anything for mpi, but at the
1033 # end we tell the user it is possible and smart to do in some cases!
1034 if test "$program_transform_name" = "s,x,x,"; then
1035 name_transform_provided=no;
1036 if test "$enable_float" = "no"; then
1037 program_transform_name="s,\$\$,_d,"
1040 name_transform_provided=yes;
1044 # Use a variable for RPM - this way it can be
1045 # overridden with make RPM=rpm3 rpm
1049 if test "$enable_fahcore" = "yes"; then
1050 CPPFLAGS="$CPPFLAGS -I\$(top_srcdir)/../corewrap -include swindirect.h -DFULLINDIRECT -DUSE_FAH_XDR"
1051 if test "$enable_mpi" = "yes"; then
1052 CFLAGS="$CFLAGS -DMPI"
1055 AM_CONDITIONAL([GMX_FAHCORE],[test "$enable_fahcore" = "yes"])
1058 if test "$enable_all_static" = "yes"; then
1059 LDFLAGS="$LDFLAGS -all-static"
1062 # we have asm source, so this is necessary for automake 1.6
1069 AC_CONFIG_FILES([ Makefile ])
1070 AC_CONFIG_FILES([ src/Makefile ])
1071 AC_CONFIG_FILES([ src/gmxlib/Makefile ])
1072 AC_CONFIG_FILES([ src/gmxlib/gmx_blas/Makefile ])
1073 AC_CONFIG_FILES([ src/gmxlib/gmx_lapack/Makefile ])
1074 AC_CONFIG_FILES([ src/gmxlib/selection/Makefile ])
1075 AC_CONFIG_FILES([ src/gmxlib/statistics/Makefile ])
1076 AC_CONFIG_FILES([ src/gmxlib/trajana/Makefile ])
1077 AC_CONFIG_FILES([ src/gmxlib/thread_mpi/Makefile ])
1078 AC_CONFIG_FILES([ src/gmxlib/nonbonded/Makefile ])
1079 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_c/Makefile ])
1080 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_ia32_sse/Makefile ])
1081 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_ia32_sse2/Makefile ])
1082 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_x86_64_sse/Makefile ])
1083 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_x86_64_sse2/Makefile ])
1084 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_ppc_altivec/Makefile ])
1085 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_ia64_single/Makefile ])
1086 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_ia64_double/Makefile ])
1087 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_bluegene/Makefile ])
1088 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_power6/Makefile ])
1089 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_f77_single/Makefile ])
1090 AC_CONFIG_FILES([ src/gmxlib/nonbonded/nb_kernel_f77_double/Makefile ])
1091 AC_CONFIG_FILES([ include/Makefile ])
1092 AC_CONFIG_FILES([ include/types/Makefile ])
1093 AC_CONFIG_FILES([ include/thread_mpi/Makefile ])
1094 AC_CONFIG_FILES([ include/thread_mpi/atomic/Makefile ])
1095 AC_CONFIG_FILES([ src/mdlib/Makefile ])
1096 AC_CONFIG_FILES([ src/kernel/Makefile ])
1097 AC_CONFIG_FILES([ src/tools/Makefile ])
1098 AC_CONFIG_FILES([ src/ngmx/Makefile ])
1099 AC_CONFIG_FILES([ src/contrib/Makefile ])
1100 AC_CONFIG_FILES([ scripts/Makefile ])
1101 AC_CONFIG_FILES([ admin/Makefile ])
1102 AC_CONFIG_FILES([ share/Makefile ])
1103 AC_CONFIG_FILES([ share/tutor/Makefile ])
1104 AC_CONFIG_FILES([ share/tutor/gmxdemo/Makefile ])
1105 AC_CONFIG_FILES([ share/tutor/nmr1/Makefile ])
1106 AC_CONFIG_FILES([ share/tutor/nmr2/Makefile ])
1107 AC_CONFIG_FILES([ share/tutor/water/Makefile ])
1108 AC_CONFIG_FILES([ share/tutor/mixed/Makefile ])
1109 AC_CONFIG_FILES([ share/tutor/methanol/Makefile ])
1110 AC_CONFIG_FILES([ share/tutor/speptide/Makefile ])
1111 AC_CONFIG_FILES([ share/template/Makefile ])
1112 AC_CONFIG_FILES([ share/top/Makefile ])
1113 AC_CONFIG_FILES([ share/top/gmx.ff/Makefile ])
1114 AC_CONFIG_FILES([ share/top/gmx2.ff/Makefile ])
1115 AC_CONFIG_FILES([ share/top/encadv.ff/Makefile ])
1116 AC_CONFIG_FILES([ share/top/encads.ff/Makefile ])
1117 AC_CONFIG_FILES([ share/top/oplsaa.ff/Makefile ])
1118 AC_CONFIG_FILES([ share/top/gromos43a1.ff/Makefile ])
1119 AC_CONFIG_FILES([ share/top/gromos43a2.ff/Makefile ])
1120 AC_CONFIG_FILES([ share/top/gromos45a3.ff/Makefile ])
1121 AC_CONFIG_FILES([ share/top/gromos53a5.ff/Makefile ])
1122 AC_CONFIG_FILES([ share/top/gromos53a6.ff/Makefile ])
1123 AC_CONFIG_FILES([ share/html/Makefile ])
1124 AC_CONFIG_FILES([ share/html/images/Makefile ])
1125 AC_CONFIG_FILES([ share/html/online/Makefile ])
1126 AC_CONFIG_FILES([ man/Makefile man/man1/Makefile man/man7/Makefile ])
1127 AC_CONFIG_FILES([ Doxyfile ])
1136 #########################################################
1137 # Echo some important info, to avoid stupid mistakes
1140 if test "$enable_float" = "no" -a "$name_transform_provided" = "no"; then
1142 echo "* You are compiling a double precision version of Gromacs -"
1143 echo " program names will be suffixed with _d to avoid overwriting single"
1144 echo " precision files. You can override it with --program-suffix"
1147 if test "$name_transform_provided" = "no" -a "$enable_mpi" = "yes"; then
1149 echo "* Seems you are compiling with MPI support. You can install the MPI-"
1150 echo " enabled programs with suffixed names to have both MPI and non-MPI"
1151 echo " versions. This is useful e.g. on supercomputers where you usually"
1152 echo " cannot run MPI-linked programs on the login node."
1153 echo " Set a suffix with e.g. --program-suffix=_mpi (or _mpi_d for double)."
1154 echo " You only need MPI for mdrun, so if you already have non-MPI stuff"
1155 echo " installed you can issue make mdrun; make install-mdrun."
1158 if test "$enable_shared" = "no"; then
1160 echo "* On most platforms you can save 10X space with dynamic libraries, although"
1161 echo " the binaries might be less portable. Why not try --enable-shared ?"