#! @BASH_SHELL@ # # (C) 2006 by Argonne National Laboratory. # See COPYRIGHT in top-level directory. # # mpicc # Simple script to compile and/or link MPI programs. # This script knows the default flags and libraries, and can handle # alternative C compilers and the associated flags and libraries. # The important terms are: # includedir, libdir - Directories containing an *installed* mpich # prefix, execprefix - Often used to define includedir and libdir # CC - C compiler # WRAPPER_CFLAGS - Any special flags needed to compile # WRAPPER_LDFLAGS - Any special flags needed to link # WRAPPER_LIBS - Any special libraries needed in order to link # # We assume that (a) the C compiler can both compile and link programs # # Handling of command-line options: # This is a little tricky because some options may contain blanks. # # Special issues with shared libraries - todo # # -------------------------------------------------------------------------- # Set the default values of all variables. # # Directory locations: Fixed for any MPI implementation. # Set from the directory arguments to configure (e.g., --prefix=/usr/local) prefix=__PREFIX_TO_BE_FILLED_AT_INSTALL_TIME__ exec_prefix=__EXEC_PREFIX_TO_BE_FILLED_AT_INSTALL_TIME__ sysconfdir=__SYSCONFDIR_TO_BE_FILLED_AT_INSTALL_TIME__ includedir=__INCLUDEDIR_TO_BE_FILLED_AT_INSTALL_TIME__ libdir=__LIBDIR_TO_BE_FILLED_AT_INSTALL_TIME__ # Default settings for compiler, flags, and libraries. # Determined by a combination of environment variables and tests within # configure (e.g., determining whehter -lsocket is needee) CC="@CC@" MPICH_VERSION="@MPICH_VERSION@" enable_wrapper_rpath="@enable_wrapper_rpath@" @cc_shlib_conf@ # Internal variables # Show is set to echo to cause the compilation command to be echoed instead # of executed. Show= # # End of initialization of variables #--------------------------------------------------------------------- # Environment Variables. # The environment variables MPICH_CC may be used to override the # default choices. # In addition, if there is a file $sysconfdir/mpicc-$CCname.conf, # where CCname is the name of the compiler with all spaces replaced by hyphens # (e.g., "cc -64" becomes "cc--64", that file is sources, allowing other # changes to the compilation environment. See the variables used by the # script (defined above) # Added MPICH_CC_OLD, MPICH_CC can be used to prefix CC with external utility, # e.g. setenv MPICH_CC 'eval linkcache $MPICH_CC_OLD' if [ -n "$MPICH_CC" ] ; then MPICH_CC_OLD="$CC" CC="$MPICH_CC" CCname=`echo $CC | sed 's/ /-/g'` if [ -s $sysconfdir/mpicc-$CCname.conf ] ; then . $sysconfdir/mpicc-$CCname.conf fi fi # Allow a profiling option to be selected through an environment variable if [ -n "$MPICC_PROFILE" ] ; then profConf=$MPICC_PROFILE fi # # ------------------------------------------------------------------------ # Argument processing. # This is somewhat awkward because of the handling of arguments within # the shell. We want to handle arguments that include spaces without # loosing the spacing (an alternative would be to use a more powerful # scripting language that would allow us to retain the array of values, # which the basic (rather than enhanced) Bourne shell does not. # # Look through the arguments for arguments that indicate compile only. # If these are *not* found, add the library options linking=yes allargs=("$@") argno=0 interlib_deps=yes static_mpi=no for arg in "$@" ; do # Set addarg to no if this arg should be ignored by the C compiler addarg=yes case "$arg" in # ---------------------------------------------------------------- # Compiler options that affect whether we are linking or no -c|-S|-E|-M|-MM) # The compiler links by default linking=no ;; # ---------------------------------------------------------------- # Options that control how we use mpicc (e.g., -show, # -cc=* -config=* -static) interlib_deps=no ;; -static-mpi) interlib_deps=no static_mpi=yes addarg=no ;; -echo) addarg=no set -x ;; -cc=*) CC=`echo A$arg | sed -e 's/A-cc=//g'` addarg=no ;; -show) addarg=no Show=echo ;; -config=*) addarg=no CCname=`echo A$arg | sed -e 's/A-config=//g'` if [ -s "$sysconfdir/mpicc-$CCname.conf" ] ; then . "$sysconfdir/mpicc-$CCname.conf" else echo "Configuration file mpicc-$CCname.conf not found" fi ;; -compile-info|-compile_info) # -compile_info included for backward compatibility Show=echo addarg=no ;; -link-info|-link_info) # -link_info included for backward compatibility Show=echo addarg=no ;; -v) # Pass this argument to the compiler as well. echo "mpicc for MPICH version $MPICH_VERSION" # if there is only 1 argument, it must be -v. if [ "$#" -eq "1" ] ; then linking=no fi ;; -profile=*) # Pass the name of a profiling configuration. As # a special case, lib.so or lib.la may be used # if the library is in $libdir profConf=`echo A$arg | sed -e 's/A-profile=//g'` addarg=no # Loading the profConf file is handled below ;; -nativelinking) # Internal option to use native compiler for linking without MPI libraries nativelinking=yes addarg=no ;; -help) NC=`echo "$CC" | sed 's%\/% %g' | awk '{print $NF}' -` if [ -f "$sysconfdir/mpixxx_opts.conf" ] ; then . $sysconfdir/mpixxx_opts.conf echo " -cc=xxx - Reset the native compiler to xxx." else if [ -f "./mpixxx_opts.conf" ] ; then . ./mpixxx_opts.conf echo " -cc=xxx - Reset the native compiler to xxx." fi fi exit 0 ;; *) ;; esac if [ $addarg = no ] ; then unset allargs[$argno] fi # Some versions of bash do not accept ((argno++)) argno=`expr $argno + 1` done if [ $# -eq 0 ] ; then echo "Error: Command line argument is needed!" "$0" -help exit 1 fi # ----------------------------------------------------------------------- # Derived variables. These are assembled from variables set from the # default, environment, configuration file (if any) and command-line # options (if any) PROFILE_FOO= # Handle the case of a profile switch if [ -n "$profConf" ] ; then profConffile= if [ -s "$libdir/lib$profConf.a" -o -s "$libdir/lib$profConf.so" ] ; then PROFILE_FOO="-l$profConf" elif [ -s "$sysconfdir/$profConf.conf" ] ; then profConffile="$sysconfdir/$profConf.conf" elif [ -s "$profConf.conf" ] ; then profConffile="$profConf.conf" else echo "Profiling configuration file $profConf.conf not found in $sysconfdir" fi if [ -n "$profConffile" -a -s "$profConffile" ] ; then . $profConffile fi fi final_cflags="@MPICH_MPICC_CFLAGS@ " final_cppflags="@MPICH_MPICC_CPPFLAGS@ " final_ldflags="@MPICH_MPICC_LDFLAGS@ " final_libs="@MPICH_MPICC_LIBS@" if test "@INTERLIB_DEPS@" = "no" -o "${interlib_deps}" = "no" ; then final_ldflags="${final_ldflags} @LDFLAGS@" final_libs="${final_libs} @LIBS@ " fi # ----------------------------------------------------------------------- # # A temporary statement to invoke the compiler # Place the -L before any args incase there are any mpi libraries in there. # Eventually, we'll want to move this after any non-MPI implementation # libraries. # We use a single invocation of the compiler. This will be adequate until # we run into a system that uses a separate linking command. With any luck, # such archaic systems are no longer with us. This also lets us # accept any argument; we don't need to know if we've seen a source # file or an object file. Instead, we just check for an option that # suppressing linking, such as -c or -M. if [ "$linking" = yes ] ; then # Attempt to encode rpath info into the executable if the user has not # disabled rpath usage and some flavor of rpath makes sense on this # platform. # TODO configure and config.rpath are computing more sophisticated rpath # schemes than this simple one. Consider updating this logic accordingly. if test "X$enable_wrapper_rpath" = "Xyes" ; then eval rpath_flags=\"${hardcode_libdir_flag_spec}\" else rpath_flags="" fi if [ "$nativelinking" = yes ] ; then $Show $CC ${final_cppflags} $PROFILE_INCPATHS ${final_cflags} ${final_ldflags} "${allargs[@]}" -I$includedir rc=$? else if [ "$static_mpi" = no ] ; then $Show $CC ${final_cppflags} $PROFILE_INCPATHS ${final_cflags} ${final_ldflags} "${allargs[@]}" -I$includedir -L$libdir $PROFILE_PRELIB $PROFILE_FOO $rpath_flags -l@MPILIBNAME@ @LPMPILIBNAME@ $PROFILE_POSTLIB ${final_libs} else fabric_dep="" if [ "@ofi_embedded@" = yes ] ; then fabric_dep=`pkg-config --static --libs $libdir/pkgconfig/libfabric.pc` fabric_dep=`echo $fabric_dep | sed 's/-lfabric//'` elif [ -f @with_libfabric@/lib/pkgconfig/libfabric.pc ] ; then fabric_dep=`pkg-config --static --libs @with_libfabric@/lib/pkgconfig/libfabric.pc` else fabric_dep=`pkg-config --static --libs libfabric` fi $Show $CC ${final_cppflags} $PROFILE_INCPATHS ${final_cflags} ${final_ldflags} "${allargs[@]}" -I$includedir -L$libdir $PROFILE_PRELIB $PROFILE_FOO $rpath_flags $libdir/libmpi.a @LPMPILIBNAME@ $PROFILE_POSTLIB ${final_libs} ${fabric_dep} fi rc=$? fi else $Show $CC ${final_cppflags} $PROFILE_INCPATHS ${final_cflags} "${allargs[@]}" -I$includedir rc=$? fi exit $rc