# # AC_FUNC_FSEEKO is horribly broken in autoconf 2.61 and can # cause silent corruption with largefiles. It is fixed in 2.62, but to # prevent stupid mistakes we use our own version taken from the 2.63 tree. # # ACX_FUNC_FSEEKO_FIXED # -------------- AN_FUNCTION([ftello], [ACX_FUNC_FSEEKO_FIXED]) AN_FUNCTION([fseeko], [ACX_FUNC_FSEEKO_FIXED]) AC_DEFUN([ACX_FUNC_FSEEKO_FIXED], [_AC_SYS_LARGEFILE_MACRO_VALUE(_LARGEFILE_SOURCE, 1, [ac_cv_sys_largefile_source], [Define to 1 to make fseeko visible on some hosts (e.g. glibc 2.2).], [[#include /* for off_t */ #include ]], [[int (*fp) (FILE *, off_t, int) = fseeko; return fseeko (stdin, 0, 0) && fp (stdin, 0, 0);]]) # We used to try defining _XOPEN_SOURCE=500 too, to work around a bug # in glibc 2.1.3, but that breaks too many other things. # If you want fseeko and ftello with glibc, upgrade to a fixed glibc. if test $ac_cv_sys_largefile_source != unknown; then AC_DEFINE(HAVE_FSEEKO, 1, [Define to 1 if fseeko (and presumably ftello) exists and is declared.]) fi ])# ACX_FUNC_FSEEKO_FIXED # ACX_CHECK_FFTW2() # ---------------- # This macro checks for fftw-2.x header files and libraries, # including the possible prefixing with s or d to determine precision. # Arg 1 is the fftw header/library name to check for, without # prefix or anything else (e.g. rfftw_mpi for real MPI transforms) # Arg 2 is the size of the real variable used. AC_DEFUN([ACX_CHECK_FFTW2], [ if test -z "$ac_fftw_firstname"; then sizeof_real=$2 if test $sizeof_real = 8; then prec="double" fftwcheckprefix=d else prec="single" fftwcheckprefix=s fi xfftwname=${fftwcheckprefix}$1 ok="no" # check header doesn't work, since we must use mpicc to get includes, # we cant trust cpp. AC_MSG_CHECKING([for $xfftwname.h]) AC_TRY_COMPILE([#include <$xfftwname.h>],, [ fftwname=$xfftwname AC_MSG_RESULT(yes) ], AC_MSG_RESULT(no)) # fftwname was set if we found a header if test -n "$fftwname"; then # we cannot run the code since an MPI program might not be allowed # on a login node of a supercomputer AC_TRY_COMPILE([#include <$fftwname.h>], [int _array_ [1 - 2 * !((sizeof(fftw_real)) == $sizeof_real)]; ], [ ok=yes usedprefix=$fftwcheckprefix ],[ok=no]) fi if test "$ok" != "yes"; then AC_MSG_CHECKING([for $1.h]) AC_TRY_COMPILE([#include <$1.h>],,AC_MSG_RESULT(yes), [ AC_MSG_RESULT(no) AC_MSG_ERROR([Cannot find any $prec precision $xfftwname.h or $1.h] [Do you have $prec precision FFTW-2.x installed? If you are using packages,] [note that you also need fftw-devel to compile GROMACS. You can find the ] [software at www.fftw.org, and detailed instructions at www.gromacs.org.] [If you compiled FFTW-2.x yourself: ] [Note that the default FFTW-2.x setup is double precision. Change the FFTW] [configuration to single with --enable-float. If you want MPI support,] [use --enable-mpi. It is a good idea to install both single & double.] [If your sysadm doesn't want to install it you can do it to a location] [in your home directory and provide the correct paths in the CPPFLAGS] [and LDFLAGS environment variables before running configure.] [That is also necessary to do if your compiler doesn't search] [/usr/local/include and /usr/local/lib by default.] [You can find information at www.gromacs.org, or in the INSTALL file.]) ]) AC_TRY_COMPILE([#include <$1.h>], [int _array_ [1 - 2 * !((sizeof(fftw_real)) == $sizeof_real)];], [ usedprefix="" fftwname=$1 ], [ AC_MSG_ERROR([Cannot find any $prec precision $xfftwname.h or $1.h] [Do you have $prec precision FFTW-2.x installed? If you are using packages,] [note that you also need fftw-devel to compile GROMACS. You can find the ] [software at www.fftw.org, and detailed instructions at www.gromacs.org.] [If you compiled FFTW-2.x yourself: ] [Note that the default FFTW-2.x setup is double precision. Change the FFTW] [configuration to single with --enable-float. If you want MPI support,] [use --enable-mpi. It is a good idea to install both single & double.] [If your sysadm doesn't want to install it you can do it to a location] [in your home directory and provide the correct paths in the CPPFLAGS] [and LDFLAGS environment variables before running configure.] [That is also necessary to do if your compiler doesn't search] [/usr/local/include and /usr/local/lib by default.] [You can find information at www.gromacs.org, or in the INSTALL file.])]) fi AC_CHECK_LIB($fftwname,main,, AC_MSG_ERROR([Can't find a library to match the $fftwname header])) ac_fftw_savedprefix=$usedprefix ac_fftw_firstname=$fftwname else fftwname=${ac_fftw_savedprefix}$1 AC_MSG_CHECKING([for $fftwname.h]) AC_TRY_COMPILE( [#include <$fftwname.h>],, [AC_MSG_RESULT(yes) LIBS="-l$fftwname $LIBS" AC_TRY_LINK_FUNC([main],,, AC_MSG_ERROR([Can't find a library to match the $fftwname header]))], [ AC_MSG_RESULT(no) AC_MSG_ERROR([Cant find $fftwname.h header. Make sure all your fftw prefixes match - we already use $ac_fftw_firstname.h]) ]) fi ]) dnl Check for floating-point format and double precision word order. dnl We dont require IEEE, but there are optimizations we can only do with it. dnl Just as for integers, the bytes in a word can be small of big endian. dnl There is already a standard autoconf macro (AC_C_BIGENDIAN) that you dnl should use to check this for integers - I have never heard of a machine dnl where it is not the same for integer and fp variables, but we still check dnl it separately for fp variables here to be sure. dnl dnl However, in double precision there are also two ways to arrange the words dnl forming a double (8-byte=2-word) variable. dnl Normally this order is the same as the endian, but there are dnl exceptions (e.g. ARM) dnl We detect it by compiling a small test program and grepping into it. dnl AC_DEFUN([ACX_FLOAT_FORMAT], [AC_CACHE_CHECK(floating-point format, acx_float_format, [cat >conftest.$ac_ext </dev/null 2>&1; then acx_float_format='IEEE754 (big-endian byte and word order)' # next: big-endian byte order, but little-endian word order - ACSXGROM elif grep 'CSXGRO' conftest.o >/dev/null 2>&1; then acx_float_format='IEEE754 (big-endian byte, little-endian word order)' # next: little-endian - XSCAMORG elif grep 'SCAMOR' conftest.o >/dev/null 2>&1; then acx_float_format='IEEE754 (little-endian byte and word order)' # next: little-endian byte order, but big-endian word order - MORGXSCA elif grep 'ORGXSC' conftest.o >/dev/null 2>&1; then acx_float_format='IEEE754 (litte-endian byte, little-endian word order)' elif grep '__floa' conftest.o >/dev/null 2>&1; then acx_float_format='VAX D-float' elif grep 'BMHEXF' conftest.o >/dev/null 2>&1; then acx_float_format='IBM 370 hex' else AC_MSG_WARN([Unknown floating-point format]) fi else AC_MSG_ERROR(compile failed) fi rm -rf conftest*]) case $acx_float_format in 'IEEE754 (big-endian byte and word order)' ) format=IEEE754 byteorder=big wordorder=big ;; 'IEEE754 (little-endian byte and word order)' ) format=IEEE754 byteorder=little wordorder=little ;; 'IEEE754 (big-endian byte, little-endian word order)' ) format=IEEE754 byteorder=big wordorder=little ;; 'IEEE754 (litte-endian byte, big-endian word order)' ) format=IEEE754 byteorder=little wordorder=big ;; 'VAX D-float' ) AC_DEFINE(FLOAT_FORMAT_VAX,,[VAX floating-point format if set]) ;; 'IBM 370 hex' ) AC_DEFINE(FLOAT_FORMAT_IBM_HEX,,[IBM HEX floating-point format if set (s390?)]) ;; * ) format=Unknown ;; esac if test "$format" = "IEEE754"; then AC_DEFINE(FLOAT_FORMAT_IEEE754,,[IEEE754 floating-point format. Memory layout is defined by macros IEEE754_BIG_ENDIAN_BYTE_ORDER and IEEE754_BIG_ENDIAN_WORD_ORDER.]) fi if test "$byteorder" = "big"; then AC_DEFINE(IEEE754_BIG_ENDIAN_BYTE_ORDER,,[Bytes in IEEE fp word are in big-endian order if set, little-endian if not. Only relevant when FLOAT_FORMAT_IEEE754 is defined.]) fi if test "$wordorder" = "big"; then AC_DEFINE(IEEE754_BIG_ENDIAN_WORD_ORDER,,[The two words in a double precision variable are in b ig-endian order if set, little-endian if not. Do NOT assume this is the same as the byte order! Only relevant when FLOAT_FORMAT_IEEE754 is defined.]) fi ]) dnl macro modified from the fftw distribution (www.fftw.org) AC_DEFUN([ACX_CHECK_CC_FLAGS], [ AC_REQUIRE([AC_PROG_CC]) AC_CACHE_CHECK(whether $CC accepts $1, ac_$2, [echo 'void f(){}' > conftest.c res=`$CC $1 -c conftest.c 2>&1` # # The stupid intel compiler echos the filename on stderr... # if test -z "$res" -o "$res" = "conftest.c:"; then ac_$2=yes else ac_$2=no fi rm -rf conftest* ]) if test "$ac_$2" = yes; then : $3 else : $4 fi ]) dnl macro modified from the fftw distribution (www.fftw.org) AC_DEFUN([ACX_CHECK_F77_FLAGS], [ AC_REQUIRE([AC_PROG_F77]) AC_CACHE_CHECK(whether $F77 accepts $1, ac_$2, [cat > conftest.f << EOF subroutine f return end EOF if test -z "`$F77 $1 -c conftest.f `"; then ac_$2=yes else ac_$2=no fi rm -rf conftest* ]) if test "$ac_$2" = yes; then : $3 else : $4 fi ]) # ACX_DETECT_GMXCPU # --------------------------- # Macro to extend the exact CPU for some hosts AC_DEFUN([ACX_DETECT_GMXCPU], [ AC_REQUIRE([AC_CANONICAL_HOST]) # # Determine the exact cpu type on some common systems where it is # not visible from the host triplet. # (on e.g. intel and dec/tru64 the host type is enough) gmxcpu=""; case "${host_cpu}-${host_os}" in *-aix*) # some versions of config.status says these systems are PowerPC even # when they have Power3 CPUs (they used to be recognized as rs6000), # so we need to work around that. # # we need to fool the combination of m4, sh and awk - thus the seemingly unnecessary n if test -f /usr/sbin/lsdev && test -f /usr/sbin/lsattr; then IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | head -1 | awk '{ n=1; print $n }'` if /usr/sbin/lsattr -EHl ${IBM_CPU_ID} | grep POWER5 >/dev/null 2>&1; then gmxcpu=power5 elif /usr/sbin/lsattr -EHl ${IBM_CPU_ID} | grep POWER4 >/dev/null 2>&1; then gmxcpu=power4 elif /usr/sbin/lsattr -EHl ${IBM_CPU_ID} | grep POWER3 >/dev/null 2>&1; then gmxcpu=power3 elif /usr/sbin/lsattr -EHl ${IBM_CPU_ID} | grep POWER2 >/dev/null 2>&1; then gmxcpu=power2 fi fi if test -z "${gmxcpu}" && test -f /usr/sbin/lscfg; then if /usr/sbin/lscfg -vp | grep PowerPC | grep 604 >/dev/null 2>&1; then gmxcpu=ppc604 elif /usr/sbin/lscfg -vp | grep PowerPC | grep 603 >/dev/null 2>&1; then gmxcpu=ppc603 elif /usr/sbin/lscfg -vp | grep PowerPC | grep rs64a >/dev/null 2>&1; then gmxcpu=rs64a elif /usr/sbin/lscfg -vp | grep PowerPC | grep rs64b >/dev/null 2>&1; then gmxcpu=rs64b elif /usr/sbin/lscfg -vp | grep PowerPC | grep rs64c >/dev/null 2>&1; then gmxcpu=rs64c elif /usr/sbin/lscfg -vp | grep POWER2 >/dev/null 2>&1; then gmxcpu=power2 elif /usr/sbin/lscfg -vp | grep POWER3 >/dev/null 2>&1; then gmxcpu=power3 elif /usr/sbin/lscfg -vp | grep POWER4 >/dev/null 2>&1; then gmxcpu=power4 fi fi ;; mips*-irix*) if /sbin/hinv | grep CPU | grep R12000 >/dev/null 2>&1; then gmxcpu=r12000 elif /sbin/hinv | grep CPU | grep R10000 >/dev/null 2>&1; then gmxcpu=r10000 elif /sbin/hinv | grep CPU | grep R8000 >/dev/null 2>&1; then gmxcpu=r8000 elif /sbin/hinv | grep CPU | grep R5000 >/dev/null 2>&1; then gmxcpu=r5000 else gmxcpu="" fi ;; sparc*-solaris*) if /usr/sbin/prtconf | grep UltraSPARC-III >/dev/null 2>&1; then gmxcpu=ultrasparc3 elif /usr/sbin/prtconf | grep UltraSPARC-IIi >/dev/null 2>&1; then gmxcpu=ultrasparc2i elif /usr/sbin/prtconf | grep UltraSPARC-II >/dev/null 2>&1; then gmxcpu=ultrasparc2 elif /usr/sbin/prtconf | grep UltraSPARC >/dev/null 2>&1; then gmxcpu=ultrasparc else gmxcpu="" fi ;; *) gmxcpu="" ;; esac ]) ############################################################### # Macro modified from the fftw distribution (www.fftw.org) # to determine optimization flags. # Note that we have modified config.guess and config.sub # to provide extended information on the detailed type of CPU. # In general we assume you have recent versions of the compilers # that support the highest optimization we know of. If not, you # can always override these flags, but it's better to upgrade :-) ############################################################### AC_DEFUN([ACX_COMPILER_MAXOPT], [ AC_REQUIRE([AC_PROG_CC]) AC_REQUIRE([AC_PROG_F77]) AC_REQUIRE([AC_CANONICAL_HOST]) # Try to determine "good" native compiler flags if none specified on command # line. To avoid repeating the entire procedure for fortran flags, we first # determine our suggested choices for both C and fortran, and then possibly # override them with user choices. cc_vendor="unknown" case "${host_cpu}-${host_os}" in *-solaris2*) case "${gmxcpu}" in ultrasparc3*) xCFLAGS="-fast -xO5 -xtarget=ultra3 -fsimple=2 -fnonstd -dalign" xFFLAGS=$xCFLAGS ;; ultrasparc2i*) xCFLAGS="-fast -xO5 -xtarget=ultra2i -fsimple=2 -fnonstd -dalign" xFFLAGS=$xCFLAGS ;; ultrasparc2*) xCFLAGS="-fast -xO5 -xtarget=ultra2 -fsimple=2 -fnonstd -dalign" xFFLAGS=$xCFLAGS ;; ultrasparc*) xCFLAGS="-fast -xO5 -xtarget=ultra -fsimple=2 -fnonstd -dalign" xFFLAGS=$xCFLAGS ;; *) xCFLAGS="-native -fast -xO5 -fsimple=2 -fnonstd -dalign" xFFLAGS=$xCFLAGS ;; esac ;; *-hpux*) xCFLAGS="-Ae +O3 +Oall" xFFLAGS=$xCFLAGS # If you haven't noticed, we don't like hp very much... # but perhaps that will change if they make something nice out of ia64. ;; ia64*-*) # The GNU compilers are checked outside this case statement. # Check for Intel Compilers. The SGI one was killed before # it went final, so I cant imagine anyone is using it... # Apparently, -O2 is better than -O3 for villin at least, # but I have not yet had time to test all the other benchmarks # on both optimization levels. Might need further tweaking. # The Intel compilers are _really_ chatty when it comes to # warnings, and also echo a lot of incomprehensible internal # stuff (not gromacs-related) when we are using ia64 assembly. # For this reason we disable warnings... if $CC -V 2>&1 | grep 'Intel' > /dev/null 2>&1; then xCFLAGS="-O3 -w" xASFLAGS=$xCFLAGS ac_cv_prog_gcc="no" fi if $F77 -V 2>&1 | grep 'Intel' > /dev/null 2>&1; then xFFLAGS="-O3 -w90 -w95 -w" ac_cv_prog_g77="no" fi # PORTME 2. Check for intel compilers when we get our hands on one! ;; *-aix*) # dont use inter-procedure analysis for the innerloops - they take # forever to compile with it, and it doesnt help at all. # use 8 segments (max 2Gb) instead of 1 (max 256Meg) by default. xLDFLAGS="$xLDFLAGS -bmaxdata:0x80000000" case "${gmxcpu}" in power6*) xCFLAGS="-O3 -qarch=pwr6 -qtune=pwr6 -qmaxmem=-1 -qstrict -qaltivec -qenablevmx -qvecnvol" xFFLAGS="-O3 -qarch=pwr6 -qtune=pwr6 -qmaxmem=-1 -qhot -qstrict -qaltivec -qenablevmx -qvecnvol" ;; power5*) xCFLAGS="-O3 -qarch=pwr5 -qtune=pwr5 -qmaxmem=16384" xFFLAGS="-O3 -Q -qarch=pwr5 -qtune=pwr5 -qmaxmem=16384 -qhot -qnoipa" ;; power4*) xCFLAGS="-O3 -qarch=pwr4 -qtune=pwr4 -qmaxmem=16384" xFFLAGS="-O3 -Q -qarch=pwr4 -qtune=pwr4 -qmaxmem=16384 -qhot -qnoipa" ;; power3*) xCFLAGS="-O3 -qarch=pwr3 -qtune=pwr3 -qmaxmem=16384" xFFLAGS="-O3 -Q -qarch=pwr3 -qtune=pwr3 -qmaxmem=16384 -qhot -qnoipa" ;; power2*) xCFLAGS="-O3 -qarch=pwr2 -qtune=pwr2 -qmaxmem=16384" xFFLAGS="-O3 -Q -qarch=pwr2 -qtune=pwr2 -qmaxmem=16384 -qhot -qnoipa" ;; power) xCFLAGS="-O3 -qarch=pwr -qtune=pwr -qmaxmem=16384" xFFLAGS="-O3 -Q -qarch=pwr -qtune=pwr -qmaxmem=16384 -qhot -qnoipa" ;; ppc604) xCFLAGS="-O3 -qarch=604 -qtune=604 -qmaxmem=16384" xFFLAGS="-O3 -Q -qarch=604 -qtune=604 -qmaxmem=16384 -qhot" ;; ppc603) xCFLAGS="-O3 -qarch=603 -qtune=603 -qmaxmem=16384" xFFLAGS="-O3 -Q -qarch=603 -qtune=603 -qmaxmem=16384 -qhot" ;; rs64a) xCFLAGS="-O3 -qarch=rs64a -qtune=rs64a -qmaxmem=16384" xFFLAGS="-O3 -Q -qarch=rs64a -qtune=rs64a -qmaxmem=16384 -qhot" ;; rs64b) xCFLAGS="-O3 -qarch=rs64b -qtune=rs64b -qmaxmem=16384" xFFLAGS="-O3 -Q -qarch=rs64b -qtune=rs64b -qmaxmem=16384 -qhot" ;; rs64c) xCFLAGS="-O3 -qarch=rs64c -qtune=rs64c -qmaxmem=16384" xFFLAGS="-O3 -Q -qarch=rs64c -qtune=rs64c -qmaxmem=16384 -qhot" ;; *) xCFLAGS="-O3 -qmaxmem=16384" xFFLAGS="-O3 -Q -qmaxmem=16384 -qhot" ;; esac ;; powerpc*-darwin* | powerpc*-linux* ) # Check for IBM compilers on OS X if $CC 2>&1 | grep 'IBM' > /dev/null 2>&1; then xCFLAGS="-O4 -Q=500 -qaltivec -qnoipa" fi if $F77 -V 2>&1 | grep 'IBM' > /dev/null 2>&1; then xFFLAGS="-O4 -Q=500 -qnoipa" fi ;; mips*-irix*) xCFLAGS="-O3 -OPT:IEEE_arithmetic=3 -OPT:rsqrt=ON -SWP:loop_overhead -INLINE:=ON -LNO:opt=1 -LNO:ou_further=3 -OPT:Olimit=0:roundoff=3:alias=typed -woff 1174 -D__INLINE_INTRINSICS" xFFLAGS="-O3 -OPT:IEEE_arithmetic=3 -OPT:rsqrt=ON -SWP:loop_overhead -INLINE:=ON -LNO:opt=1 -LNO:ou_further=3 -OPT:Olimit=0:roundoff=3:alias=typed -OPT:cray_ivdep=TRUE" if $CC -version | grep "Version 7.1" > /dev/null 2>&1; then xCFLAGS="$xCFLAGS -GCM:aggressive_speculation -GCM:array_speculation" xFFLAGS="$xFFLAGS -GCM:aggressive_speculation -GCM:array_speculation" fi if $CC -version | grep "Version 7.3" > /dev/null 2>&1; then xCFLAGS="$xCFLAGS -SWP:heur=fdms,nhms,fdnms" xFFLAGS="$xFFLAGS -SWP:heur=fdms,nhms,fdnms" fi xLDFLAGS="-woff 84" # I have removed -n32 from the flags since it causes too many problems. # New SGIs should use the right objects automatically, and it's not # worth the hassle for 5-10 year old machines... case "${gmxcpu}" in r12000*) xCFLAGS="$IRIXOBJFLAG -r12000 -mips4 $xCFLAGS" xFFLAGS="$IRIXOBJFLAG -r12000 -mips4 $xFFLAGS" xLDFLAGS="$IRIXOBJFLAG -r12000 -mips4 $xLDFLAGS" ;; r10000*) xCFLAGS="$IRIXOBJFLAG -r10000 -mips4 $xCFLAGS" xFFLAGS="$IRIXOBJFLAG -r10000 -mips4 $xFFLAGS" xLDFLAGS="$IRIXOBJFLAG -r10000 -mips4 $xLDFLAGS" ;; r8000*) xCFLAGS="$IRIXOBJFLAG -r8000 -mips4 $xCFLAGS" xFFLAGS="$IRIXOBJFLAG -r8000 -mips4 $xFFLAGS" xLDFLAGS="$IRIXOBJFLAG -r8000 -mips4 $xLDFLAGS" ;; r5000*) xCFLAGS="$IRIXOBJFLAG -r5000 -mips4 $xCFLAGS" xFFLAGS="$IRIXOBJFLAG -r5000 -mips4 $xFFLAGS" xLDFLAGS="$IRIXOBJFLAG -r5000 -mips4 $xLDFLAGS" ;; *) xCFLAGS="$IRIXOBJFLAG $xCFLAGS" xFFLAGS="$IRIXOBJFLAG $xFFLAGS" xLDFLAGS="$IRIXOBJFLAG $xLDFLAGS" ;; esac ;; alpha*-osf*) # NB: -arch implies -tune according to the cc manual. # We dont use -ifo since it conflicts with dependency # generation on old versions of the compiler. case "${host_cpu}" in alphaev*) # extract the processor from cpu type (e.g. alphaev56 -> ev56) evtype=`echo ${host_cpu} | sed 's/alpha//'` xCFLAGS="-std1 -fast -O4 -no_ifo -arch $evtype -unroll 2 -fp_reorder" xFFLAGS="$xCFLAGS -assume noaccuracy_sensitive" xASFLAGS="-O4 -no_ifo -arch $evtype" xLDFLAGS="-O4" ;; *) xCFLAGS="-std1 -fast -O4 -no_ifo -arch host -unroll 2 -fp_reorder" xFFLAGS="$xCFLAGS -assume noaccuracy_sensitive" xASFLAGS="-O4 -no_ifo -arch host" xLDFLAGS="-O4" ;; esac ;; alpha*-linux*) case "${host_cpu}" in alphaev*) # extract the processor from cpu type (e.g. alphaev56 -> ev56) evtype=`echo ${host_cpu} | sed 's/alpha//'` tmpCFLAGS="-std1 -fast -O4 -no_ifo -arch $evtype -unroll 2 -fp_reorder" tmpFFLAGS="$tmpCFLAGS -assume noaccuracy_sensitive" tmpASFLAGS="-O4 -no_ifo -arch $evtype" tmpLDFLAGS="-O4" ;; *) tmpCFLAGS="-std1 -fast -O4 -no_ifo -arch host -unroll 2 -fp_reorder" tmpFFLAGS="$tmpCFLAGS -assume noaccuracy_sensitive" tmpASFLAGS="-O4 -no_ifo -arch host" tmpLDFLAGS="-O4" ;; esac # Compaq sometimes uses -version and sometimes -V # Not 100% sure if ccc always has -V and F77 -version, so # we check both alternatives to be sure. if (($CC -V 2>&1 | grep ompaq > /dev/null) || ($CC -version 2>&1 | grep ompaq > /dev/null)); then xCFLAGS="$tmpCFLAGS" xASFLAGS="$tmpASFLAGS" cc_vendor="Compaq" fi if test "$enable_fortran" = "yes"; then if (($F77 -V 2>&1 | grep ompaq > /dev/null) || ($F77 -version 2>&1 | grep ompaq > /dev/null)); then xFFLAGS="$tmpFFLAGS" fi fi ;; *-*) # most of these systems (e.g. linux, FreeBSD) use gcc which is treated # further down, but check for some specific compilers. # Portland group compilers: if $CC -V 2> /dev/null | grep ortland > /dev/null 2>&1; then case "${host_cpu}" in i586) pgiopt="-tp p5" ;; i686) pgiopt="-tp p6" ;; esac xCFLAGS="$pgiopt -fast -pc 32" xASFLAGS="$xCFLAGS" fi if test "$enable_fortran" = "yes"; then if $F77 -version 2> /dev/null | grep Portland > /dev/null 2>&1; then xFFLAGS="$xCFLAGS" fi fi # Intel compilers # The Intel compilers are _really_ chatty when it comes to # warnings, and also echo a lot of incomprehensible internal # stuff (not gromacs-related) when we are using assembly. # For this reason we disable warnings... if $CC -V 2>&1 | grep 'Intel' > /dev/null 2>&1; then ac_cv_prog_gcc="no" case "${host_cpu}" in x86_64) xCFLAGS="-O3 -tpp7 -axW -ip -w" ;; i686) xCFLAGS="-O3 -tpp6 -axK -ip -w" ;; ia64) xCFLAGS="-O3 -ip -w" ;; esac xASFLAGS="$xCFLAGS" # search in /usr/local/include too, just as gcc does. (handy for fftw) CPPFLAGS="$CPPFLAGS -I/usr/local/include" fi if test "$enable_fortran" = "yes"; then if $F77 -V 2>&1 | grep 'Intel' > /dev/null 2>&1; then ac_cv_prog_g77="no" xFFLAGS="$xCFLAGS -w90 -w95" fi fi ;; esac # Phew, end of all those operating systems and processors! # use default flags for gcc/g77 on all systems if test $ac_cv_prog_gcc = yes; then ACX_CHECK_CC_FLAGS(-O3,o3,xCFLAGS="$xCFLAGS -O3") xCFLAGS="$xCFLAGS -fomit-frame-pointer -finline-functions -Wall -Wno-unused" # For alpha axp assembly we need the preprocessor to tell elf from ecoff. # The compaq ccc compiler only knows .s files, and always runs them # through cpp. We support this by telling gcc to preprocess .s files. case "${host_cpu}" in alphaev*) xASFLAGS="$xCFLAGS -x assembler-with-cpp" ;; *) ;; esac fi if test $enable_fortran = yes; then if test $ac_cv_prog_g77 = yes; then xFFLAGS="-O3 -ffast-math -fomit-frame-pointer -finline-functions -funroll-all-loops -Wall -Wno-unused" # -malign-double for f77 on x86 systems - haven't checked that this works yet. #ACX_CHECK_F77_FLAGS(-malign-double,align_double,xFFLAGS="$xFFLAGS -malign-double") fi fi CPU_FLAGS="" if test "$GCC" = "yes"; then # try to guess correct CPU flags, at least for powerpc linux case "${host_cpu}" in # i586/i686 cpu flags don't improve speed, thus no need to use them. # don't check f77 separately - we assume f77 and gcc are similar powerpc*) # don't use the separate apple cpp on OS X # ACX_CHECK_CC_FLAGS(-no-cpp-precomp,no_cpp_precomp,xCFLAGS="$xCFLAGS -no-cpp-precomp") if test "$enable_ppc_altivec" = "yes"; then # Apple (darwin) uses a hacked version of gcc with special flags case "${host_os}" in darwin*) ACX_CHECK_CC_FLAGS(-faltivec,faltivec,xCFLAGS="$xCFLAGS -faltivec") ;; *) # Need to update CPPFLAGS too, since we later call # AC_CHECK_HEADER for altivec.h, and then autoconf complains # if it cannot process it with the preprocessor. ACX_CHECK_CC_FLAGS(-maltivec,maltivec,xCFLAGS="$xCFLAGS -maltivec" CPPFLAGS="$CPPFLAGS -maltivec") ACX_CHECK_CC_FLAGS(-mabi=altivec,mabialtivec,xCFLAGS="$xCFLAGS -mabi=altivec" CPPFLAGS="$CPPFLAGS -mabi=altivec") ;; esac fi # -funroll-all-loops exposes a bug in altivec-enabled gcc-2.95.3 # on powerpc, so we only enable it on other platforms or gcc3. # The gcc 2.95 instruction scheduler also destroys our handcoded altivec, # so disable instruction scheduling on 2.95 if $CC --version 2>&1 | grep '2.95' > /dev/null 2>&1; then echo "*****************************************************************************" echo "* IMPORTANT INFO: You are using gcc-2.95.x on PowerPC. This compiler works, *" echo "* but you will get better performance with gcc-3.3 or later. If you are *" echo "* running OS X, download the latest devtools from http://developer.apple.com*" echo "*****************************************************************************" ACX_CHECK_CC_FLAGS(-fno-schedule-insns,fno_schedule_insns,xCFLAGS="$xCFLAGS -fno-schedule-insns") fi ACX_CHECK_CC_FLAGS(-mcpu=7450,m_cpu_7450,CPU_FLAGS="-mcpu=7450") ACX_CHECK_CC_FLAGS(-mtune=970,m_tune_970,CPU_FLAGS="$CPU_FLAGS -mtune=970") if test -z "$CPU_FLAGS"; then ACX_CHECK_CC_FLAGS(-mcpu=powerpc,m_cpu_powerpc,CPU_FLAGS="-mcpu=powerpc") fi ;; x86_64 | i?86) ACX_CHECK_CC_FLAGS(-msse2,msse2,xCFLAGS="$xCFLAGS -msse2") ;; esac ACX_CHECK_CC_FLAGS(-funroll-all-loops,funroll_all_loops,xCFLAGS="$xCFLAGS -funroll-all-loops") ACX_CHECK_CC_FLAGS(-std=gnu99,stdgnu99,xCFLAGS="$xCFLAGS -std=gnu99") # C99 requires strict IEEE 754 floating point compliance. Since gcc>=4.5.0 # this is on when asking for c99, potentially impacting floating point # performance, so we turn it off here. ACX_CHECK_CC_FLAGS(-fexcess-precision=fast, fexcess_precision_fast, xCFLAGS="$xCFLAGS -fexcess-precision=fast") fi if test "$enable_debug" = "yes"; then xCFLAGS="$xCFLAGS -g" fi if test -n "$CPU_FLAGS"; then xCFLAGS="$xCFLAGS $CPU_FLAGS" xFFLAGS="$xFFLAGS $CPU_FLAGS" xASFLAGS="$xASFLAGS $CPU_FLAGS" fi # Now check if the user provided anything special for C or fortran... # Not nice to have checked everything then, but otherwise we would have # to use entirely separate checks for C and fortran flags, doubling the code. if test "$ac_test_CFLAGS" != "set"; then CFLAGS="$xCFLAGS" # Use the extra link optimization flags on e.g. irix only when # we are using our own C compiler flags LDFLAGS="$LDFLAGS $xLDFLAGS" if test -z "$CFLAGS"; then echo "********************************************************************" echo "* Note: We have not optimized the C compiler flags on your target *" echo "* yet, but the default CFLAGS=-O3 should be OK in most cases. *" echo "* You can override this by setting the CFLAGS environment variable.*" echo "*******************************************************************" CFLAGS="-O3" fi ACX_CHECK_CC_FLAGS(${CFLAGS}, guessed_cflags, , [ echo "*******************************************************************" echo "* Sorry, these optimization settings don't seem to work for *" echo "* your C compiler. 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Use make FFLAGS=.., or edit the top Makefile.*" echo "*******************************************************************" FFLAGS="" ]) else echo "******************************************" echo "* Using FFLAGS from environment variable *" echo "******************************************" fi fi # Be silent for assembly flags, they are usually not important anyway if test "${ASFLAGS+set}" != set; then if test "${xASFLAGS+set}" != set; then xASFLAGS="$CFLAGS" fi ASFLAGS="$xASFLAGS" fi ]) dnl @synopsis ACX_PTHREAD([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]) dnl dnl This macro figures out how to build C programs using POSIX dnl threads. It sets the PTHREAD_LIBS output variable to the threads dnl library and linker flags, and the PTHREAD_CFLAGS output variable dnl to any special C compiler flags that are needed. (The user can also dnl force certain compiler flags/libs to be tested by setting these dnl environment variables.) dnl dnl Also sets PTHREAD_CC to any special C compiler that is needed for dnl multi-threaded programs (defaults to the value of CC otherwise). dnl (This is necessary on AIX to use the special cc_r compiler alias.) dnl dnl If you are only building threads programs, you may wish to dnl use these variables in your default LIBS, CFLAGS, and CC: dnl dnl LIBS="$PTHREAD_LIBS $LIBS" dnl CFLAGS="$CFLAGS $PTHREAD_CFLAGS" dnl CC="$PTHREAD_CC" dnl dnl In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute dnl constant has a nonstandard name, defines PTHREAD_CREATE_JOINABLE dnl to that name (e.g. PTHREAD_CREATE_UNDETACHED on AIX). dnl dnl ACTION-IF-FOUND is a list of shell commands to run if a threads dnl library is found, and ACTION-IF-NOT-FOUND is a list of commands dnl to run it if it is not found. If ACTION-IF-FOUND is not specified, dnl the default action will define HAVE_PTHREAD. dnl dnl Please let the authors know if this macro fails on any platform, dnl or if you have any other suggestions or comments. This macro was dnl based on work by SGJ on autoconf scripts for FFTW (www.fftw.org) dnl (with help from M. Frigo), as well as ac_pthread and hb_pthread dnl macros posted by AFC to the autoconf macro repository. We are also dnl grateful for the helpful feedback of numerous users. dnl dnl @author Steven G. 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ORIGINAL_CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} export ORIGINAL_CONFIG_SHELL CONFIG_SHELL=/bin/ksh export CONFIG_SHELL exec $CONFIG_SHELL "[$]0" --no-reexec ${1+"[$]@"} else # Try using printf. echo='printf %s\n' if test "X`($echo '\t') 2>/dev/null`" = 'X\t' && echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` && test "X$echo_testing_string" = "X$echo_test_string"; then # Cool, printf works : elif echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` && test "X$echo_testing_string" = 'X\t' && echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` && test "X$echo_testing_string" = "X$echo_test_string"; then CONFIG_SHELL=$ORIGINAL_CONFIG_SHELL export CONFIG_SHELL SHELL="$CONFIG_SHELL" export SHELL echo="$CONFIG_SHELL [$]0 --fallback-echo" elif echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` && test "X$echo_testing_string" = 'X\t' && echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` && test "X$echo_testing_string" = "X$echo_test_string"; then echo="$CONFIG_SHELL [$]0 --fallback-echo" else # maybe with a smaller string... prev=: for cmd in 'echo test' 'sed 2q "[$]0"' 'sed 10q "[$]0"' 'sed 20q "[$]0"' 'sed 50q "[$]0"'; do if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null then break fi prev="$cmd" done if test "$prev" != 'sed 50q "[$]0"'; then echo_test_string=`eval $prev` export echo_test_string exec ${ORIGINAL_CONFIG_SHELL-${CONFIG_SHELL-/bin/sh}} "[$]0" ${1+"[$]@"} else # Oops. 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then lt_int_apple_cc_single_mod=no output_verbose_link_cmd='echo' if $CC -dumpspecs 2>&1 | $EGREP 'single_module' >/dev/null ; then lt_int_apple_cc_single_mod=yes fi if test "X$lt_int_apple_cc_single_mod" = Xyes ; then _LT_AC_TAGVAR(archive_cmds, $1)='$CC -dynamiclib -single_module $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags -install_name $rpath/$soname $verstring' else _LT_AC_TAGVAR(archive_cmds, $1)='$CC -r -keep_private_externs -nostdlib -o ${lib}-master.o $libobjs~$CC -dynamiclib $allow_undefined_flag -o $lib ${lib}-master.o $deplibs $compiler_flags -install_name $rpath/$soname $verstring' fi _LT_AC_TAGVAR(module_cmds, $1)='$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags' # Don't fix this by using the ld -exported_symbols_list flag, it doesn't exist in older darwin lds if test "X$lt_int_apple_cc_single_mod" = Xyes ; then _LT_AC_TAGVAR(archive_expsym_cmds, $1)='sed -e "s,#.*,," -e "s,^[ ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC -dynamiclib -single_module $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags -install_name $rpath/$soname $verstring~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}' else _LT_AC_TAGVAR(archive_expsym_cmds, $1)='sed -e "s,#.*,," -e "s,^[ ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC -r -keep_private_externs -nostdlib -o ${lib}-master.o $libobjs~$CC -dynamiclib $allow_undefined_flag -o $lib ${lib}-master.o $deplibs $compiler_flags -install_name $rpath/$soname $verstring~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}' fi _LT_AC_TAGVAR(module_expsym_cmds, $1)='sed -e "s,#.*,," -e "s,^[ ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}' else case $cc_basename in xlc*) output_verbose_link_cmd='echo' _LT_AC_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj ${wl}-single_module $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-install_name ${wl}`echo $rpath/$soname` $verstring' _LT_AC_TAGVAR(module_cmds, $1)='$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags' # Don't fix this by using the ld -exported_symbols_list flag, it doesn't exist in older darwin lds _LT_AC_TAGVAR(archive_expsym_cmds, $1)='sed -e "s,#.*,," -e "s,^[ ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC -qmkshrobj ${wl}-single_module $allow_undefined_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-install_name ${wl}$rpath/$soname $verstring~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}' _LT_AC_TAGVAR(module_expsym_cmds, $1)='sed -e "s,#.*,," -e "s,^[ ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}' ;; *) _LT_AC_TAGVAR(ld_shlibs, $1)=no ;; esac fi ;; dgux*) case $cc_basename in ec++*) # FIXME: insert proper C++ library support _LT_AC_TAGVAR(ld_shlibs, $1)=no ;; ghcx*) # Green Hills C++ Compiler # FIXME: insert proper C++ library support _LT_AC_TAGVAR(ld_shlibs, $1)=no ;; *) # FIXME: insert proper C++ library support _LT_AC_TAGVAR(ld_shlibs, $1)=no ;; esac ;; freebsd[[12]]*) # C++ shared libraries reported to be fairly broken before switch to ELF _LT_AC_TAGVAR(ld_shlibs, $1)=no ;; freebsd-elf*) _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no ;; freebsd* | kfreebsd*-gnu | dragonfly*) # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF # conventions _LT_AC_TAGVAR(ld_shlibs, $1)=yes ;; gnu*) ;; hpux9*) _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=: _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' _LT_AC_TAGVAR(hardcode_direct, $1)=yes _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH, # but as the default # location of the library. case $cc_basename in CC*) # FIXME: insert proper C++ library support _LT_AC_TAGVAR(ld_shlibs, $1)=no ;; aCC*) _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/$soname~$CC -b ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' # Commands to make compiler produce verbose output that lists # what "hidden" libraries, object files and flags are used when # linking a shared library. # # There doesn't appear to be a way to prevent this compiler from # explicitly linking system object files so we need to strip them # from the output so that they don't get included in the library # dependencies. output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | grep "[[-]]L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list' ;; *) if test "$GXX" = yes; then _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/$soname~$CC -shared -nostdlib -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' else # FIXME: insert proper C++ library support _LT_AC_TAGVAR(ld_shlibs, $1)=no fi ;; esac ;; hpux10*|hpux11*) if test $with_gnu_ld = no; then _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=: case $host_cpu in hppa*64*|ia64*) _LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1)='+b $libdir' ;; *) _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' ;; esac fi case $host_cpu in hppa*64*|ia64*) _LT_AC_TAGVAR(hardcode_direct, $1)=no _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no ;; *) _LT_AC_TAGVAR(hardcode_direct, $1)=yes _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH, # but as the default # location of the library. ;; esac case $cc_basename in CC*) # FIXME: insert proper C++ library support _LT_AC_TAGVAR(ld_shlibs, $1)=no ;; aCC*) case $host_cpu in hppa*64*) _LT_AC_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;; ia64*) _LT_AC_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;; *) _LT_AC_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;; esac # Commands to make compiler produce verbose output that lists # what "hidden" libraries, object files and flags are used when # linking a shared library. # # There doesn't appear to be a way to prevent this compiler from # explicitly linking system object files so we need to strip them # from the output so that they don't get included in the library # dependencies. output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | grep "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list' ;; *) if test "$GXX" = yes; then if test $with_gnu_ld = no; then case $host_cpu in hppa*64*) _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;; ia64*) _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;; *) _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;; esac fi else # FIXME: insert proper C++ library support _LT_AC_TAGVAR(ld_shlibs, $1)=no fi ;; esac ;; interix3*) _LT_AC_TAGVAR(hardcode_direct, $1)=no _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. # Instead, shared libraries are loaded at an image base (0x10000000 by # default) and relocated if they conflict, which is a slow very memory # consuming and fragmenting process. To avoid this, we pick a random, # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link # time. 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rm -f libconftest$shared_ext; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list' _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath,$libdir' _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' # Archives containing C++ object files must be created using # "CC -Bstatic", where "CC" is the KAI C++ compiler. _LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' ;; icpc*) # Intel C++ with_gnu_ld=yes # version 8.0 and above of icpc choke on multiply defined symbols # if we add $predep_objects and $postdep_objects, however 7.1 and # earlier do not add the objects themselves. case `$CC -V 2>&1` in *"Version 7."*) _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' ;; *) # Version 8.0 or newer tmp_idyn= case $host_cpu in ia64*) tmp_idyn=' -i_dynamic';; esac _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' ;; esac _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive' ;; pgCC*) # Portland Group C++ compiler _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib' _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib' _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir' _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; $echo \"$new_convenience\"` ${wl}--no-whole-archive' ;; cxx*) # Compaq C++ _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols' runpath_var=LD_RUN_PATH _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=: # Commands to make compiler produce verbose output that lists # what "hidden" libraries, object files and flags are used when # linking a shared library. # # There doesn't appear to be a way to prevent this compiler from # explicitly linking system object files so we need to strip them # from the output so that they don't get included in the library # dependencies. output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld"`; 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This must work even if \$libdir does # not exist. hardcode_libdir_flag_spec_ld=$lt_[]_LT_AC_TAGVAR(hardcode_libdir_flag_spec_ld, $1) # Whether we need a single -rpath flag with a separated argument. hardcode_libdir_separator=$lt_[]_LT_AC_TAGVAR(hardcode_libdir_separator, $1) # Set to yes if using DIR/libNAME${shared_ext} during linking hardcodes DIR into the # resulting binary. hardcode_direct=$_LT_AC_TAGVAR(hardcode_direct, $1) # Set to yes if using the -LDIR flag during linking hardcodes DIR into the # resulting binary. hardcode_minus_L=$_LT_AC_TAGVAR(hardcode_minus_L, $1) # Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into # the resulting binary. hardcode_shlibpath_var=$_LT_AC_TAGVAR(hardcode_shlibpath_var, $1) # Set to yes if building a shared library automatically hardcodes DIR into the library # and all subsequent libraries and executables linked against it. hardcode_automatic=$_LT_AC_TAGVAR(hardcode_automatic, $1) # Variables whose values should be saved in libtool wrapper scripts and # restored at relink time. variables_saved_for_relink="$variables_saved_for_relink" # Whether libtool must link a program against all its dependency libraries. link_all_deplibs=$_LT_AC_TAGVAR(link_all_deplibs, $1) # Compile-time system search path for libraries sys_lib_search_path_spec=$lt_sys_lib_search_path_spec # Run-time system search path for libraries sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec # Fix the shell variable \$srcfile for the compiler. fix_srcfile_path="$_LT_AC_TAGVAR(fix_srcfile_path, $1)" # Set to yes if exported symbols are required. always_export_symbols=$_LT_AC_TAGVAR(always_export_symbols, $1) # The commands to list exported symbols. export_symbols_cmds=$lt_[]_LT_AC_TAGVAR(export_symbols_cmds, $1) # The commands to extract the exported symbol list from a shared archive. extract_expsyms_cmds=$lt_extract_expsyms_cmds # Symbols that should not be listed in the preloaded symbols. exclude_expsyms=$lt_[]_LT_AC_TAGVAR(exclude_expsyms, $1) # Symbols that must always be exported. include_expsyms=$lt_[]_LT_AC_TAGVAR(include_expsyms, $1) ifelse([$1],[], [# ### END LIBTOOL CONFIG], [# ### END LIBTOOL TAG CONFIG: $tagname]) __EOF__ ifelse([$1],[], [ case $host_os in aix3*) cat <<\EOF >> "$cfgfile" # AIX sometimes has problems with the GCC collect2 program. 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AC_MSG_CHECKING([command to parse $NM output from $compiler object]) AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], [ # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. 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Therefore, libtool *** is disabling shared libraries support. We urge you to upgrade GNU *** binutils to release 2.9.1 or newer. Another option is to modify *** your PATH or compiler configuration so that the native linker is *** used, and then restart. EOF elif $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' else _LT_AC_TAGVAR(ld_shlibs, $1)=no fi ;; sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) case `$LD -v 2>&1` in *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.1[[0-5]].*) _LT_AC_TAGVAR(ld_shlibs, $1)=no cat <<_LT_EOF 1>&2 *** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not *** reliably create shared libraries on SCO systems. Therefore, libtool *** is disabling shared libraries support. We urge you to upgrade GNU *** binutils to release 2.16.91.0.3 or newer. Another option is to modify *** your PATH or compiler configuration so that the native linker is *** used, and then restart. _LT_EOF ;; *) if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='`test -z "$SCOABSPATH" && echo ${wl}-rpath,$libdir`' _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname,\${SCOABSPATH:+${install_libdir}/}$soname -o $lib' _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname,\${SCOABSPATH:+${install_libdir}/}$soname,-retain-symbols-file,$export_symbols -o $lib' else _LT_AC_TAGVAR(ld_shlibs, $1)=no fi ;; esac ;; sunos4*) _LT_AC_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' wlarc= _LT_AC_TAGVAR(hardcode_direct, $1)=yes _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no ;; *) if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' else _LT_AC_TAGVAR(ld_shlibs, $1)=no fi ;; esac if test "$_LT_AC_TAGVAR(ld_shlibs, $1)" = no; then runpath_var= _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)= _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)= _LT_AC_TAGVAR(whole_archive_flag_spec, $1)= fi else # PORTME fill in a description of your system's linker (not GNU ld) case $host_os in aix3*) _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported _LT_AC_TAGVAR(always_export_symbols, $1)=yes _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' # Note: this linker hardcodes the directories in LIBPATH if there # are no directories specified by -L. _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then # Neither direct hardcoding nor static linking is supported with a # broken collect2. _LT_AC_TAGVAR(hardcode_direct, $1)=unsupported fi ;; aix4* | aix5*) if test "$host_cpu" = ia64; then # On IA64, the linker does run time linking by default, so we don't # have to do anything special. aix_use_runtimelinking=no exp_sym_flag='-Bexport' no_entry_flag="" else # If we're using GNU nm, then we don't want the "-C" option. # -C means demangle to AIX nm, but means don't demangle with GNU nm if $NM -V 2>&1 | grep 'GNU' > /dev/null; then _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\[$]2 == "T") || (\[$]2 == "D") || (\[$]2 == "B")) && ([substr](\[$]3,1,1) != ".")) { print \[$]3 } }'\'' | sort -u > $export_symbols' else _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\[$]2 == "T") || (\[$]2 == "D") || (\[$]2 == "B")) && ([substr](\[$]3,1,1) != ".")) { print \[$]3 } }'\'' | sort -u > $export_symbols' fi aix_use_runtimelinking=no # Test if we are trying to use run time linking or normal # AIX style linking. 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The following line is correct: shared_flag='-G' else if test "$aix_use_runtimelinking" = yes; then shared_flag='${wl}-G' else shared_flag='${wl}-bM:SRE' fi fi fi # It seems that -bexpall does not export symbols beginning with # underscore (_), so it is better to generate a list of symbols to export. _LT_AC_TAGVAR(always_export_symbols, $1)=yes if test "$aix_use_runtimelinking" = yes; then # Warning - without using the other runtime loading flags (-brtl), # -berok will link without error, but may produce a broken library. _LT_AC_TAGVAR(allow_undefined_flag, $1)='-berok' # Determine the default libpath from the value encoded in an empty executable. _LT_AC_SYS_LIBPATH_AIX _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath" _LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then echo "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag" else if test "$host_cpu" = ia64; then _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib' _LT_AC_TAGVAR(allow_undefined_flag, $1)="-z nodefs" _LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" else # Determine the default libpath from the value encoded in an empty executable. _LT_AC_SYS_LIBPATH_AIX _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath" # Warning - without using the other run time loading flags, # -berok will link without error, but may produce a broken library. _LT_AC_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok' _LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok' # Exported symbols can be pulled into shared objects from archives _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='$convenience' _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=yes # This is similar to how AIX traditionally builds its shared libraries. _LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname' fi fi ;; amigaos*) _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes # see comment about different semantics on the GNU ld section _LT_AC_TAGVAR(ld_shlibs, $1)=no ;; bsdi[[45]]*) _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)=-rdynamic ;; cygwin* | mingw* | pw32*) # When not using gcc, we currently assume that we are using # Microsoft Visual C++. # hardcode_libdir_flag_spec is actually meaningless, as there is # no search path for DLLs. _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)=' ' _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported # Tell ltmain to make .lib files, not .a files. libext=lib # Tell ltmain to make .dll files, not .so files. shrext_cmds=".dll" # FIXME: Setting linknames here is a bad hack. _LT_AC_TAGVAR(archive_cmds, $1)='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | $SED -e '\''s/ -lc$//'\''` -link -dll~linknames=' # The linker will automatically build a .lib file if we build a DLL. _LT_AC_TAGVAR(old_archive_From_new_cmds, $1)='true' # FIXME: Should let the user specify the lib program. _LT_AC_TAGVAR(old_archive_cmds, $1)='lib /OUT:$oldlib$oldobjs$old_deplibs' _LT_AC_TAGVAR(fix_srcfile_path, $1)='`cygpath -w "$srcfile"`' _LT_AC_TAGVAR(enable_shared_with_static_runtimes, $1)=yes ;; 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