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dnl ######################################################################
dnl
dnl Finds netCDF 4 parallel
dnl
dnl ######################################################################
AC_DEFUN([AC_NC4PAR],
[
AC_MSG_NOTICE([=== checking NetCDF 4 Parallel ===])
AM_CONDITIONAL(HAVE_NC4PAR,true)
AC_ARG_WITH(nc4par,
[ --with-nc4par=<location of NetCDF 4 Parallel installation>],
[NC4PAR_DIR=$withval], [with_nc4par=check])
dnl If --without-nc4par was given set HAVE_NC4PAR to false and do nothing more
if test "x$with_nc4par" == "xno"; then
AM_CONDITIONAL(HAVE_NC4PAR,false)
else
ac_use_cray_netcdf=no
dnl allow args --with-nc4par incdir and --with-nc4par-libdir
AC_ARG_WITH(nc4par-incdir,
[ --with-nc4par-incdir=<location of NetCDF 4 Parallel includes>],
[NC4PAR_INCDIR=$withval
with_nc4par=detailed])
AC_ARG_WITH(nc4par-libdir,
[ --with-nc4par-libdir=<location of NetCDF 4 Parallel library>],
[NC4PAR_LIBDIR=$withval
with_nc4par=detailed])
AC_ARG_WITH(nc4par-libs,
[ --with-nc4par-libs=<linker flags besides -L<nc4par_libdir>, e.g. -lnetcdf>],
[NC4PAR_LIBS=$withval
with_nc4par=detailed])
dnl If we know NC4PAR_DIR, then we can know NC4PAR_INCDIR.
dnl If we know CRAY_NETCDF_DIR, then we leave NC4PAR_INCDIR empty.
dnl Or, if we know NETCDF_DIR, then we can know NC4PAR_INCDIR.
dnl We don't overwrite NC4PAR_INCDIR.
if test -z "${NC4PAR_INCDIR}"; then
if test -n "${NC4PAR_DIR}"; then
NC4PAR_INCDIR="${NC4PAR_DIR}/include";
elif test -n "${CRAY_NETCDF_DIR}"; then
NC4PAR_INCDIR="";
ac_use_cray_netcdf=yes
elif test -n "${NETCDF_DIR}"; then
NC4PAR_INCDIR="${NETCDF_DIR}/include";
fi
fi
dnl If we know NC4PAR_DIR, then we can know NC4PAR_LIBDIR.
dnl If we know CRAY_NETCDF_DIR, then we leave NC4PAR_LIBDIR empty.
dnl Or, if we know NETCDF_DIR, then we may know NC4PAR_LIBDIR.
dnl We don't overwrite NC4PAR_LIBDIR.
if test -z "${NC4PAR_LIBDIR}"; then
if test -n "${NC4PAR_DIR}"; then
NC4PAR_LIBDIR="${NC4PAR_DIR}/lib";
elif test -n "${CRAY_NETCDF_DIR}"; then
NC4PAR_LIBDIR="";
ac_use_cray_netcdf=yes
elif test -n "${NETCDF_DIR}"; then
NC4PAR_LIBDIR="${NETCDF_DIR}/lib"
fi
fi
dnl Add "-I" to NC4PAR_INCDIR.
if test -n "${NC4PAR_INCDIR}"; then
NC4PAR_CPPFLAGS="-I${NC4PAR_INCDIR}"
else
ac_nc4par=no
fi
dnl Add "-L" to NC4PAR_LIBDIR + NC4PAR_LIBS.
if test -n "${NC4PAR_LIBDIR}"; then
NC4PAR_LDFLAGS="-L${NC4PAR_LIBDIR}"
else
ac_nc4par=no
fi
dnl if nc4 libs are not defined (and not Cray nc4 lib), then guess and define it
if test -z "${NC4PAR_LIBS}"; then
if test "${ac_use_cray_netcdf}" != "yes"; then
NC4PAR_LIBS="-lnetcdf"
fi
fi
save_CC="$CC"
save_CPPFLAGS="$CPPFLAGS"
save_LIBS="$LIBS"
save_LDFLAGS="$LDFLAGS"
LIBS="$LIBS $NC4PAR_LIBS"
LDFLAGS="$LDFLAGS $NC4PAR_LDFLAGS"
CPPFLAGS="$CPPFLAGS $NC4PAR_CPPFLAGS"
CC="$MPICC"
if test -z "${HAVE_NC4PAR_TRUE}"; then
AC_CHECK_HEADERS(netcdf.h,
,
[if test "x$with_nc4par" != xcheck; then
AC_MSG_FAILURE( [--with-nc4par was given, but test for netcdf.h failed])
fi
AM_CONDITIONAL(HAVE_NC4PAR,false)])
fi
if test -z "${HAVE_NC4PAR_TRUE}"; then
AC_MSG_CHECKING([if nc4 parallel code can be compiled])
AC_TRY_COMPILE([#include "netcdf.h"],
[int ncid;
MPI_Info info;
MPI_Comm comm;
nc_create_par("a.nc", NC_NOCLOBBER|NC_MPIIO|NC_NETCDF4, comm, info, ncid);
nc_close(ncid);
],
[AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)
if test "x$with_nc4par" != xcheck; then
AC_MSG_FAILURE( [--with-nc4par was given, but compile test failed])
fi
AM_CONDITIONAL(HAVE_NC4PAR,false)
])
AC_SUBST(NC4PAR_LIBS)
AC_SUBST(NC4PAR_LDFLAGS)
AC_SUBST(NC4PAR_CPPFLAGS)
fi
LIBS="$save_LIBS"
LDFLAGS="$save_LDFLAGS"
CPPFLAGS="$save_CPPFLAGS"
CC="$save_CC"
# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
if test -z "${HAVE_NC4PAR_TRUE}"; then
ifelse([$1],,[AC_DEFINE(HAVE_NC4PAR,1,[Define if you have NC4PAR.])],[$1])
:
else
$2
:
fi
fi
])
|
